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Support loop cloning with struct arrays #48897

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BruceForstall opened this issue Mar 1, 2021 · 0 comments · Fixed by #55612
Closed

Support loop cloning with struct arrays #48897

BruceForstall opened this issue Mar 1, 2021 · 0 comments · Fixed by #55612
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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@BruceForstall
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Loop cloning, in optExtractArrIndex(), determines if there are interesting, optimizable array index expressions in a loop that can be optimized by removing the bounds check. It does not support array index expressions for arrays of structs.

E.g., for a simple byte array index b[i], it matches:

 *  COMMA     ubyte
 +--*  ARR_BOUNDS_CHECK_Rng void
 |  +--*  LCL_VAR   int    V03 loc2
 |  \--*  ARR_LENGTH int
 |     \--*  LCL_VAR   ref    V00 arg0
 \--*  IND       ubyte
    \--*  ADD       byref
       +--*  LCL_VAR   ref    V00 arg0
       \--*  ADD       long
          +--*  CAST      long <- int
          |  \--*  LCL_VAR   int    V03 loc2
          \--*  CNS_INT   long   16 Fseq[#FirstElem]

for a simple struct public struct B1 { public byte b1; }

accessing a[i] (such as in a b[i] = a[i] operation) gives:

\--*  COMMA     byref
   +--*  ARR_BOUNDS_CHECK_Rng void
   |  +--*  LCL_VAR   int    V03 loc0
   |  \--*  ARR_LENGTH int
   |     \--*  LCL_VAR   ref    V00 arg0
   \--*  ADDR      byref  Zero Fseq[b1]
      \--*  IND       struct
         \--*  ADD       byref
            +--*  LCL_VAR   ref    V00 arg0
            \--*  ADD       long
               +--*  CAST      long <- int
               |  \--*  LCL_VAR   int    V03 loc0
               \--*  CNS_INT   long   16 Fseq[#FirstElem]

or, accessing a[i].b1 gives:

\--*  COMMA     ubyte
   +--*  ARR_BOUNDS_CHECK_Rng void
   |  +--*  LCL_VAR   int    V03 loc1
   |  \--*  ARR_LENGTH int
   |     \--*  LCL_VAR   ref    V00 arg0
   \--*  IND       ubyte
      \--*  ADDR      byref  Zero Fseq[b1]
         \--*  IND       struct
            \--*  ADD       byref
               +--*  LCL_VAR   ref    V00 arg0
               \--*  ADD       long
                  +--*  CAST      long <- int
                  |  \--*  LCL_VAR   int    V03 loc1
                  \--*  CNS_INT   long   16 Fseq[#FirstElem]

Neither of these will be recognized.

There is also this code which is specifically trying to prevent handling structs, but it's not clear if it ever kicks in, given the current patterns:

    // It used to be the case that arrBndsChks for struct types would fail the previous check because
    // after->gtOper was an address (for a block op).  In order to avoid asmDiffs we will for now
    // return false if the type of 'after' is a struct type.  (This was causing us to clone loops
    // that we were not previously cloning.)
    // TODO-1stClassStructs: Remove this check to enable optimization of array bounds checks for struct
    // types.
    if (varTypeIsStruct(after))
    {
        return false;
    }

category:cq
theme:loop-opt
skill-level:expert
cost:large

@BruceForstall BruceForstall added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Mar 1, 2021
@BruceForstall BruceForstall added this to the 6.0.0 milestone Mar 1, 2021
@dotnet-issue-labeler dotnet-issue-labeler bot added the untriaged New issue has not been triaged by the area owner label Mar 1, 2021
@JulieLeeMSFT JulieLeeMSFT removed the untriaged New issue has not been triaged by the area owner label Mar 2, 2021
BruceForstall added a commit to BruceForstall/runtime that referenced this issue Jul 14, 2021
Loop cloning, in `optExtractArrIndex()`, was matching the post-morph
trees representing array index expressions. This was not necessary,
as all the information we actually need is in the array bound check node,
namely the array base and the array index. The code was verifying that the
bounds check information matched the morph expression, but we don't really
need to do that anyway, as the main thing we care about it whether or not
we can remove the bounds check.

The full array index expression morphed tree can be complex, especially
for arrays of structs. Simply deleting this parsing code enables cloning to
kick in for arrays of structs.

There was one bug needing fixing, though: after removing the array bounds
check, the GTF_EXCEPT bits are recalculated over the entire Statement tree.
It was doing this top-down, but needs to do it bottom-up to handle the array
of structs case where we have `IND(COMMA(..., ADDR()))`, to propagate the bit
through the COMMA.

Fixes #48897

There are a few microbenchmark wins ("runtime2" is baseline, "runtime" is diff):
```
|    Method |        Job |                                                                         Toolchain |     Mean |   Error |  StdDev |   Median |      Min |      Max | Ratio |
|---------- |----------- |---------------------------------------------------------------------------------- |---------:|--------:|--------:|---------:|---------:|---------:|------:|
| MulMatrix | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 370.8 ms | 1.32 ms | 1.17 ms | 370.5 ms | 369.3 ms | 373.1 ms |  1.00 |
| MulMatrix | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 351.6 ms | 1.92 ms | 1.60 ms | 351.6 ms | 349.2 ms | 355.2 ms |  0.95 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
| SpectralNorm_1 | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 865.0 us | 16.71 us | 18.57 us | 858.8 us | 843.3 us | 896.0 us |  1.00 |
| SpectralNorm_1 | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 844.6 us |  9.47 us |  8.40 us | 841.5 us | 836.3 us | 860.6 us |  0.97 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
|      BenchEmFloat | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 3,183.1 ms | 14.45 ms | 13.52 ms | 3,188.8 ms | 3,157.0 ms | 3,205.5 ms |  1.00 |    0.00 |
|      BenchEmFloat | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 3,115.8 ms | 13.19 ms | 12.34 ms | 3,109.3 ms | 3,105.3 ms | 3,147.1 ms |  0.98 |    0.00 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
| BenchAssignJagged | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe |   938.1 ms |  5.26 ms |  4.66 ms |   937.8 ms |   932.3 ms |   946.4 ms |  1.00 |    0.00 |
| BenchAssignJagged | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe |   954.0 ms | 12.19 ms | 10.18 ms |   951.8 ms |   943.6 ms |   978.7 ms |  1.02 |    0.01 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
|     BenchLUDecomp | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 1,094.6 ms | 14.91 ms | 13.95 ms | 1,095.0 ms | 1,072.5 ms | 1,117.7 ms |  1.00 |    0.00 |
|     BenchLUDecomp | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 1,133.9 ms | 16.55 ms | 15.48 ms | 1,139.1 ms | 1,107.9 ms | 1,154.0 ms |  1.04 |    0.02 |
```

spmi diffs:

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 10605
Total bytes of diff: 13993
Total bytes of delta: 3388 (31.95% of base)
Total relative delta: 13.43
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         190 : 41209.dasm (89.62% of base)
         190 : 19281.dasm (89.62% of base)
         163 : 41303.dasm (67.08% of base)
         163 : 19393.dasm (67.08% of base)
         126 : 38635.dasm (50.00% of base)
         126 : 17973.dasm (50.00% of base)
         125 : 35718.dasm (29.07% of base)
         125 : 18582.dasm (29.07% of base)
         125 : 39316.dasm (29.07% of base)
         124 : 12493.dasm (47.51% of base)
         124 : 15994.dasm (47.51% of base)
         124 : 31342.dasm (49.80% of base)
         124 : 36770.dasm (48.44% of base)
         124 : 30776.dasm (48.44% of base)
         106 : 32284.dasm (39.85% of base)
         106 : 19181.dasm (39.85% of base)
         105 : 41328.dasm (53.85% of base)
         105 : 19427.dasm (53.85% of base)
          94 : 19275.dasm (19.34% of base)
          94 : 41203.dasm (19.34% of base)

Top file improvements (bytes):
         -32 : 22627.dasm (-12.55% of base)
         -32 : 35972.dasm (-12.55% of base)
         -32 : 30648.dasm (-12.55% of base)

36 total files with Code Size differences (3 improved, 33 regressed), 1 unchanged.

Top method regressions (bytes):
         190 (89.62% of base) : 41209.dasm - Dictionary`2:CopyEntries(ref,int):this
         190 (89.62% of base) : 19281.dasm - Dictionary`2:CopyEntries(ref,int):this
         163 (67.08% of base) : 41303.dasm - Dictionary`2:CopyTo(ref,int):this
         163 (67.08% of base) : 19393.dasm - Dictionary`2:CopyTo(ref,int):this
         126 (50.00% of base) : 38635.dasm - Dictionary`2:Resize(int,bool):this
         126 (50.00% of base) : 17973.dasm - Dictionary`2:Resize(int,bool):this
         125 (29.07% of base) : 35718.dasm - Dictionary`2:Resize(int,bool):this
         125 (29.07% of base) : 18582.dasm - Dictionary`2:Resize(int,bool):this
         125 (29.07% of base) : 39316.dasm - Dictionary`2:Resize(int,bool):this
         124 (47.51% of base) : 12493.dasm - Dictionary`2:Resize(int,bool):this
         124 (47.51% of base) : 15994.dasm - Dictionary`2:Resize(int,bool):this
         124 (49.80% of base) : 31342.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 36770.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 30776.dasm - Dictionary`2:Resize(int,bool):this
         106 (39.85% of base) : 32284.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         106 (39.85% of base) : 19181.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         105 (53.85% of base) : 41328.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         105 (53.85% of base) : 19427.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
          94 (19.34% of base) : 19275.dasm - Dictionary`2:AddRange(IEnumerable`1):this
          94 (19.34% of base) : 41203.dasm - Dictionary`2:AddRange(IEnumerable`1):this

Top method improvements (bytes):
         -32 (-12.55% of base) : 22627.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 35972.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 30648.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this

Top method regressions (percentages):
         190 (89.62% of base) : 41209.dasm - Dictionary`2:CopyEntries(ref,int):this
         190 (89.62% of base) : 19281.dasm - Dictionary`2:CopyEntries(ref,int):this
         163 (67.08% of base) : 41303.dasm - Dictionary`2:CopyTo(ref,int):this
         163 (67.08% of base) : 19393.dasm - Dictionary`2:CopyTo(ref,int):this
         105 (53.85% of base) : 41328.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         105 (53.85% of base) : 19427.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
          78 (51.66% of base) : 37496.dasm - RouteValueDictionary:TryFindItem(String,byref):bool:this
         126 (50.00% of base) : 38635.dasm - Dictionary`2:Resize(int,bool):this
         126 (50.00% of base) : 17973.dasm - Dictionary`2:Resize(int,bool):this
         124 (49.80% of base) : 31342.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 36770.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 30776.dasm - Dictionary`2:Resize(int,bool):this
          88 (47.57% of base) : 37495.dasm - RouteValueDictionary:TryGetValue(String,byref):bool:this
          88 (47.57% of base) : 22930.dasm - RouteValueDictionary:TryGetValue(String,byref):bool:this
         124 (47.51% of base) : 12493.dasm - Dictionary`2:Resize(int,bool):this
         124 (47.51% of base) : 15994.dasm - Dictionary`2:Resize(int,bool):this
          76 (44.97% of base) : 18170.dasm - ValueCollection:CopyTo(ref,int):this
          76 (44.97% of base) : 38751.dasm - ValueCollection:CopyTo(ref,int):this
          76 (44.19% of base) : 30837.dasm - ValueCollection:CopyTo(ref,int):this
          76 (44.19% of base) : 36738.dasm - ValueCollection:CopyTo(ref,int):this

Top method improvements (percentages):
         -32 (-12.55% of base) : 22627.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 35972.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 30648.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this

36 total methods with Code Size differences (3 improved, 33 regressed), 1 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 19656
Total bytes of diff: 21755
Total bytes of delta: 2099 (10.68% of base)
Total relative delta: 6.71
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         314 : 10636.dasm (65.42% of base)
         281 : 25723.dasm (9.59% of base)
         276 : 10626.dasm (85.98% of base)
         191 : 17802.dasm (46.81% of base)
         113 : 9414.dasm (49.78% of base)
          98 : 11859.dasm (19.72% of base)
          98 : 11860.dasm (19.72% of base)
          89 : 7680.dasm (51.45% of base)
          84 : 7683.dasm (48.00% of base)
          84 : 15110.dasm (8.06% of base)
          80 : 7673.dasm (13.01% of base)
          80 : 3345.dasm (47.62% of base)
          77 : 9246.dasm (82.80% of base)
          76 : 2291.dasm (44.19% of base)
          62 : 14611.dasm (13.45% of base)
          62 : 14612.dasm (13.36% of base)
          57 : 25481.dasm (36.54% of base)
          45 : 20229.dasm (22.39% of base)
          28 : 24281.dasm (31.11% of base)
          28 : 12802.dasm (1.63% of base)

Top file improvements (bytes):
         -48 : 1274.dasm (-14.20% of base)
         -36 : 2717.dasm (-10.17% of base)
         -14 : 14028.dasm (-2.84% of base)
         -13 : 24210.dasm (-3.06% of base)
         -11 : 20189.dasm (-6.25% of base)
         -10 : 24211.dasm (-2.35% of base)
          -8 : 21902.dasm (-7.69% of base)
          -6 : 17322.dasm (-4.44% of base)
          -5 : 8348.dasm (-1.40% of base)
          -4 : 15533.dasm (-0.35% of base)
          -3 : 13358.dasm (-4.76% of base)
          -3 : 15111.dasm (-0.43% of base)
          -2 : 15133.dasm (-0.35% of base)
          -2 : 19751.dasm (-0.36% of base)
          -2 : 15621.dasm (-0.35% of base)

39 total files with Code Size differences (15 improved, 24 regressed), 2 unchanged.

Top method regressions (bytes):
         314 (65.42% of base) : 10636.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
         281 ( 9.59% of base) : 25723.dasm - Benchstone.BenchI.MulMatrix:Inner(System.Int32[][],System.Int32[][],System.Int32[][])
         276 (85.98% of base) : 10626.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
         191 (46.81% of base) : 17802.dasm - Microsoft.CodeAnalysis.MetadataDecoder`5[__Canon,__Canon,__Canon,__Canon,__Canon][System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:DoPropertySignaturesMatch(Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],bool,bool,bool):bool:this
         113 (49.78% of base) : 9414.dasm - System.Collections.Generic.Dictionary`2[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon][],int):this
          98 (19.72% of base) : 11859.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          98 (19.72% of base) : 11860.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          89 (51.45% of base) : 7680.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
          84 (48.00% of base) : 7683.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
          84 ( 8.06% of base) : 15110.dasm - ProtoBuf.Compiler.CompilerContext:Switch(ProtoBuf.Compiler.CodeLabel[]):this
          80 (13.01% of base) : 7673.dasm - System.Collections.Generic.Dictionary`2[Int32,Int32][System.Int32,System.Int32]:AddRange(System.Collections.Generic.IEnumerable`1[KeyValuePair`2]):this
          80 (47.62% of base) : 3345.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
          77 (82.80% of base) : 9246.dasm - System.Collections.Generic.GenericEqualityComparer`1[OpCode][System.Reflection.Emit.OpCode]:IndexOf(System.Reflection.Emit.OpCode[],System.Reflection.Emit.OpCode,int,int):int:this
          76 (44.19% of base) : 2291.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
          62 (13.45% of base) : 14611.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          62 (13.36% of base) : 14612.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          57 (36.54% of base) : 25481.dasm - System.Collections.Tests.Perf_PriorityQueue`2[__Canon,__Canon][System.__Canon,System.__Canon]:K_Max_Elements():this
          45 (22.39% of base) : 20229.dasm - WithManyWeakChildren:.ctor(WithManyChildrenBase,Microsoft.CodeAnalysis.SyntaxNode,int):this
          28 (31.11% of base) : 24281.dasm - SciMark2.FFT:inverse(System.Double[])
          28 ( 1.63% of base) : 12802.dasm - AssignJagged:second_assignments(System.Int32[][],System.Int16[][])

Top method improvements (bytes):
         -48 (-14.20% of base) : 1274.dasm - System.Collections.Generic.ObjectEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -36 (-10.17% of base) : 2717.dasm - System.Collections.Generic.GenericEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -14 (-2.84% of base) : 14028.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_NoExpiration():this
         -13 (-3.06% of base) : 24210.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
         -11 (-6.25% of base) : 20189.dasm - Microsoft.CodeAnalysis.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.GreenNode[],int):Microsoft.CodeAnalysis.GreenNode
         -10 (-2.35% of base) : 24211.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -8 (-7.69% of base) : 21902.dasm - System.Reflection.Internal.ObjectPool`1[__Canon][System.__Canon]:Allocate():System.__Canon:this
          -6 (-4.44% of base) : 17322.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[__Canon,__Canon][System.__Canon,System.__Canon]:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[__Canon]):bool
          -5 (-1.40% of base) : 8348.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -4 (-0.35% of base) : 15533.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])
          -3 (-4.76% of base) : 13358.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
          -3 (-0.43% of base) : 15111.dasm - DynamicClass:proto_1(System.Object,ProtoBuf.ProtoWriter)
          -2 (-0.35% of base) : 15133.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_RelativeExpiration():this
          -2 (-0.36% of base) : 19751.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_ExpirationTokens():this
          -2 (-0.35% of base) : 15621.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_SlidingExpiration():this

Top method regressions (percentages):
         276 (85.98% of base) : 10626.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
          77 (82.80% of base) : 9246.dasm - System.Collections.Generic.GenericEqualityComparer`1[OpCode][System.Reflection.Emit.OpCode]:IndexOf(System.Reflection.Emit.OpCode[],System.Reflection.Emit.OpCode,int,int):int:this
         314 (65.42% of base) : 10636.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
          89 (51.45% of base) : 7680.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
         113 (49.78% of base) : 9414.dasm - System.Collections.Generic.Dictionary`2[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon][],int):this
          84 (48.00% of base) : 7683.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
          80 (47.62% of base) : 3345.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
         191 (46.81% of base) : 17802.dasm - Microsoft.CodeAnalysis.MetadataDecoder`5[__Canon,__Canon,__Canon,__Canon,__Canon][System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:DoPropertySignaturesMatch(Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],bool,bool,bool):bool:this
          76 (44.19% of base) : 2291.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
          57 (36.54% of base) : 25481.dasm - System.Collections.Tests.Perf_PriorityQueue`2[__Canon,__Canon][System.__Canon,System.__Canon]:K_Max_Elements():this
          28 (31.11% of base) : 24281.dasm - SciMark2.FFT:inverse(System.Double[])
          45 (22.39% of base) : 20229.dasm - WithManyWeakChildren:.ctor(WithManyChildrenBase,Microsoft.CodeAnalysis.SyntaxNode,int):this
          98 (19.72% of base) : 11859.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          98 (19.72% of base) : 11860.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          27 (16.17% of base) : 10346.dasm - System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals:Setup(System.String,System.String):this
          62 (13.45% of base) : 14611.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          62 (13.36% of base) : 14612.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          80 (13.01% of base) : 7673.dasm - System.Collections.Generic.Dictionary`2[Int32,Int32][System.Int32,System.Int32]:AddRange(System.Collections.Generic.IEnumerable`1[KeyValuePair`2]):this
         281 ( 9.59% of base) : 25723.dasm - Benchstone.BenchI.MulMatrix:Inner(System.Int32[][],System.Int32[][],System.Int32[][])
          84 ( 8.06% of base) : 15110.dasm - ProtoBuf.Compiler.CompilerContext:Switch(ProtoBuf.Compiler.CodeLabel[]):this

Top method improvements (percentages):
         -48 (-14.20% of base) : 1274.dasm - System.Collections.Generic.ObjectEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -36 (-10.17% of base) : 2717.dasm - System.Collections.Generic.GenericEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
          -8 (-7.69% of base) : 21902.dasm - System.Reflection.Internal.ObjectPool`1[__Canon][System.__Canon]:Allocate():System.__Canon:this
         -11 (-6.25% of base) : 20189.dasm - Microsoft.CodeAnalysis.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.GreenNode[],int):Microsoft.CodeAnalysis.GreenNode
          -3 (-4.76% of base) : 13358.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
          -6 (-4.44% of base) : 17322.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[__Canon,__Canon][System.__Canon,System.__Canon]:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[__Canon]):bool
         -13 (-3.06% of base) : 24210.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
         -14 (-2.84% of base) : 14028.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_NoExpiration():this
         -10 (-2.35% of base) : 24211.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -5 (-1.40% of base) : 8348.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -3 (-0.43% of base) : 15111.dasm - DynamicClass:proto_1(System.Object,ProtoBuf.ProtoWriter)
          -2 (-0.36% of base) : 19751.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_ExpirationTokens():this
          -2 (-0.35% of base) : 15133.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_RelativeExpiration():this
          -2 (-0.35% of base) : 15621.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_SlidingExpiration():this
          -4 (-0.35% of base) : 15533.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])

39 total methods with Code Size differences (15 improved, 24 regressed), 2 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 50789
Total bytes of diff: 57962
Total bytes of delta: 7173 (14.12% of base)
Total relative delta: 10.94
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         314 : 194633.dasm (65.42% of base)
         310 : 169017.dasm (26.12% of base)
         310 : 168630.dasm (26.12% of base)
         310 : 168802.dasm (26.12% of base)
         310 : 169110.dasm (26.12% of base)
         310 : 168724.dasm (26.12% of base)
         310 : 168920.dasm (26.12% of base)
         281 : 248723.dasm (9.59% of base)
         276 : 194632.dasm (85.98% of base)
         267 : 168730.dasm (16.11% of base)
         267 : 168808.dasm (16.11% of base)
         267 : 169021.dasm (16.11% of base)
         267 : 168926.dasm (16.11% of base)
         267 : 169114.dasm (16.11% of base)
         267 : 168636.dasm (16.11% of base)
         259 : 213032.dasm (102.37% of base)
         249 : 167322.dasm (66.58% of base)
         216 : 251496.dasm (91.14% of base)
         216 : 194592.dasm (12.80% of base)
         174 : 249196.dasm (20.67% of base)

Top file improvements (bytes):
         -26 : 166707.dasm (-10.36% of base)
         -13 : 248646.dasm (-3.06% of base)
         -10 : 248647.dasm (-2.35% of base)
          -5 : 166775.dasm (-0.69% of base)
          -4 : 194691.dasm (-0.35% of base)
          -3 : 168634.dasm (-1.91% of base)
          -3 : 168918.dasm (-2.75% of base)
          -3 : 168803.dasm (-1.91% of base)
          -3 : 168631.dasm (-1.91% of base)
          -3 : 168800.dasm (-2.75% of base)
          -3 : 168921.dasm (-1.91% of base)
          -3 : 168628.dasm (-2.75% of base)
          -3 : 168806.dasm (-1.91% of base)
          -3 : 168924.dasm (-1.91% of base)
          -3 : 241130.dasm (-0.99% of base)
          -3 : 168722.dasm (-2.75% of base)
          -3 : 168728.dasm (-1.91% of base)
          -3 : 239163.dasm (-4.76% of base)
          -3 : 168725.dasm (-1.91% of base)
          -2 : 241128.dasm (-0.77% of base)

70 total files with Code Size differences (20 improved, 50 regressed), 0 unchanged.

Top method regressions (bytes):
         314 (65.42% of base) : 194633.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
         310 (26.12% of base) : 169017.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168630.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168802.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 169110.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168724.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168920.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         281 ( 9.59% of base) : 248723.dasm - Benchstone.BenchI.MulMatrix:Inner(System.Int32[][],System.Int32[][],System.Int32[][])
         276 (85.98% of base) : 194632.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
         267 (16.11% of base) : 168730.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 168808.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 169021.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 168926.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 169114.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 168636.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         259 (102.37% of base) : 213032.dasm - ArrayMarshal:IsCorrect(ArrayMarshal+S2[],ArrayMarshal+S2[]):bool
         249 (66.58% of base) : 167322.dasm - Internal.IL.EcmaMethodIL:GetExceptionRegions():Internal.IL.ILExceptionRegion[]:this
         216 (91.14% of base) : 251496.dasm - VectorMathTests.Program:sum(System.Numerics.Vector4[]):float
         216 (12.80% of base) : 194592.dasm - Huffman:DoHuffIteration(System.Byte[],System.Byte[],System.Byte[],int,int,huff_node[]):long
         174 (20.67% of base) : 249196.dasm - SimpleArray_01.Test:BadMatrixMul1()

Top method improvements (bytes):
         -26 (-10.36% of base) : 166707.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
         -13 (-3.06% of base) : 248646.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
         -10 (-2.35% of base) : 248647.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -5 (-0.69% of base) : 166775.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int
          -4 (-0.35% of base) : 194691.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])
          -3 (-1.91% of base) : 168634.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-2.75% of base) : 168918.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168803.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168631.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-2.75% of base) : 168800.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168921.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-2.75% of base) : 168628.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168806.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168924.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-0.99% of base) : 241130.dasm - Vector3Test:VectorArray(float):int
          -3 (-2.75% of base) : 168722.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168728.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-4.76% of base) : 239163.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
          -3 (-1.91% of base) : 168725.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -2 (-0.77% of base) : 241128.dasm - Vector4Test:VectorArray(float):int

Top method regressions (percentages):
         259 (102.37% of base) : 213032.dasm - ArrayMarshal:IsCorrect(ArrayMarshal+S2[],ArrayMarshal+S2[]):bool
         216 (91.14% of base) : 251496.dasm - VectorMathTests.Program:sum(System.Numerics.Vector4[]):float
         276 (85.98% of base) : 194632.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
          49 (74.24% of base) : 81558.dasm - Test:Check(int)
         249 (66.58% of base) : 167322.dasm - Internal.IL.EcmaMethodIL:GetExceptionRegions():Internal.IL.ILExceptionRegion[]:this
         314 (65.42% of base) : 194633.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
         123 (60.89% of base) : 246188.dasm - ToBoxOrNotToBox.Program:PerfTest1(int,int)
         151 (52.61% of base) : 213030.dasm - ArrayMarshal:NewS2arr(int,int,int,short,ushort,ubyte,byte,short,ushort,long,long,float,double):ArrayMarshal+S2[]
          28 (31.11% of base) : 228715.dasm - SciMark2.FFT:inverse(System.Double[])
          89 (27.73% of base) : 167364.dasm - Internal.IL.InstantiatedMethodIL:GetLocals():Internal.TypeSystem.LocalVariableDefinition[]:this
         310 (26.12% of base) : 169017.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168630.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168802.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 169110.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168724.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168920.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         174 (20.67% of base) : 249196.dasm - SimpleArray_01.Test:BadMatrixMul1()
         158 (19.90% of base) : 253494.dasm - MatrixMul.Test:MatrixMul()
         141 (16.34% of base) : 249197.dasm - SimpleArray_01.Test:BadMatrixMul2()
         267 (16.11% of base) : 168730.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool

Top method improvements (percentages):
         -26 (-10.36% of base) : 166707.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
          -3 (-4.76% of base) : 239163.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
         -13 (-3.06% of base) : 248646.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
          -3 (-2.75% of base) : 168918.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-2.75% of base) : 168800.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-2.75% of base) : 168628.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-2.75% of base) : 168722.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
         -10 (-2.35% of base) : 248647.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -3 (-1.91% of base) : 168634.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168803.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168631.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168921.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168806.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168924.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168728.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168725.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-0.99% of base) : 241130.dasm - Vector3Test:VectorArray(float):int
          -2 (-0.77% of base) : 241128.dasm - Vector4Test:VectorArray(float):int
          -5 (-0.69% of base) : 166775.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int
          -4 (-0.35% of base) : 194691.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])

70 total methods with Code Size differences (20 improved, 50 regressed), 0 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 66954
Total bytes of diff: 74145
Total bytes of delta: 7191 (10.74% of base)
Total relative delta: 20.86
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         528 : 2571.dasm (72.53% of base)
         450 : 25232.dasm (15.59% of base)
         293 : 92711.dasm (50.96% of base)
         274 : 73747.dasm (53.83% of base)
         271 : 171367.dasm (17.96% of base)
         241 : 204928.dasm (60.10% of base)
         224 : 171366.dasm (17.39% of base)
         188 : 21977.dasm (12.56% of base)
         171 : 181569.dasm (71.25% of base)
         168 : 75937.dasm (12.19% of base)
         162 : 44518.dasm (114.89% of base)
         160 : 151231.dasm (44.08% of base)
         155 : 95335.dasm (7.05% of base)
         152 : 84491.dasm (77.95% of base)
         139 : 216480.dasm (25.88% of base)
         139 : 45298.dasm (46.96% of base)
         138 : 73748.dasm (66.03% of base)
         134 : 181566.dasm (54.92% of base)
         134 : 52201.dasm (29.39% of base)
         131 : 22122.dasm (15.45% of base)

Top file improvements (bytes):
         -37 : 73754.dasm (-0.81% of base)
         -36 : 24021.dasm (-10.14% of base)
         -32 : 24016.dasm (-9.61% of base)
         -20 : 192694.dasm (-7.14% of base)
         -16 : 161256.dasm (-6.20% of base)
         -16 : 216474.dasm (-1.03% of base)
         -11 : 173459.dasm (-4.78% of base)
         -10 : 179730.dasm (-1.86% of base)
         -10 : 149598.dasm (-1.34% of base)
          -9 : 150742.dasm (-7.14% of base)
          -8 : 85767.dasm (-7.02% of base)
          -8 : 174207.dasm (-0.52% of base)
          -6 : 10430.dasm (-3.66% of base)
          -6 : 174026.dasm (-1.29% of base)
          -6 : 174027.dasm (-1.36% of base)
          -5 : 93729.dasm (-0.40% of base)
          -5 : 203938.dasm (-1.65% of base)
          -4 : 150744.dasm (-0.31% of base)
          -3 : 173392.dasm (-0.47% of base)
          -3 : 174233.dasm (-0.09% of base)

103 total files with Code Size differences (33 improved, 70 regressed), 8 unchanged.

Top method regressions (bytes):
         528 (72.53% of base) : 2571.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol]
         450 (15.59% of base) : 25232.dasm - System.Diagnostics.Tracing.EventProvider:WriteEvent(byref,long,long,long,System.Object[]):bool:this
         293 (50.96% of base) : 92711.dasm - System.Xml.Xsl.IlGen.XmlILVisitor:VisitChoice(System.Xml.Xsl.Qil.QilChoice):System.Xml.Xsl.Qil.QilNode:this
         274 (53.83% of base) : 73747.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusErrors(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         271 (17.96% of base) : 171367.dasm - BatchBlockTargetCore:RetrievePostponedItemsNonGreedy(bool):this
         241 (60.10% of base) : 204928.dasm - System.Net.WebSockets.WebSocketBuffer:ValidateNativeBuffers(int,int,Interop+WebSocket+Buffer[],int):this
         224 (17.39% of base) : 171366.dasm - BatchBlockTargetCore:RetrievePostponedItemsGreedyBounded(bool):this
         188 (12.56% of base) : 21977.dasm - Microsoft.CodeAnalysis.CSharp.Binder:BindArrayCreationWithInitializer(Microsoft.CodeAnalysis.DiagnosticBag,Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax,Microsoft.CodeAnalysis.CSharp.Syntax.InitializerExpressionSyntax,Microsoft.CodeAnalysis.CSharp.Symbols.ArrayTypeSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression]):Microsoft.CodeAnalysis.CSharp.BoundArrayCreation:this
         171 (71.25% of base) : 181569.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeTypedArgument`1[System.Reflection.TypeLoading.RoType]]):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeTypedArgument]
         168 (12.19% of base) : 75937.dasm - System.Data.Select:CreateIndex():this
         162 (114.89% of base) : 44518.dasm - System.Collections.Generic.NullableEqualityComparer`1:IndexOf(System.Nullable`1[System.Int32][],System.Nullable`1[System.Int32],int,int):int:this
         160 (44.08% of base) : 151231.dasm - Microsoft.CodeAnalysis.MetadataDecoder`5:DoPropertySignaturesMatch(Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],bool,bool,bool):bool:this
         155 ( 7.05% of base) : 95335.dasm - System.Xml.Xsl.Xslt.XsltInput:GetAttributes(System.Xml.Xsl.Xslt.XsltInput+XsltAttribute[]):System.Xml.Xsl.Xslt.XsltInput+ContextInfo:this
         152 (77.95% of base) : 84491.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:System.Speech.Internal.Synthesis.ISpEngineSite.AddEvents(System.Speech.Internal.Synthesis.SpeechEventSapi[],int):this
         139 (25.88% of base) : 216480.dasm - System.Runtime.Caching.ExpiresBucket:Expand():this
         139 (46.96% of base) : 45298.dasm - AttributeSorter:Sort():this
         138 (66.03% of base) : 73748.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusContinue(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         134 (54.92% of base) : 181566.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeNamedArgument`1[System.Reflection.TypeLoading.RoType]],System.Type):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeNamedArgument]
         134 (29.39% of base) : 52201.dasm - System.Data.OleDb.OleDbCommand:ApplyParameterBindings(System.Data.Common.UnsafeNativeMethods+ICommandWithParameters,System.Data.OleDb.tagDBPARAMBINDINFO[]):this
         131 (15.45% of base) : 22122.dasm - Microsoft.CodeAnalysis.CSharp.Binder:GetParamArrayArgument(Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.TypedConstant],int,int,Microsoft.CodeAnalysis.CSharp.Conversions):Microsoft.CodeAnalysis.TypedConstant

Top method improvements (bytes):
         -37 (-0.81% of base) : 73754.dasm - System.Data.Common.DbDataAdapter:Update(System.Data.DataRow[],System.Data.Common.DataTableMapping):int:this
         -36 (-10.14% of base) : 24021.dasm - System.Collections.Generic.GenericEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -32 (-9.61% of base) : 24016.dasm - System.Collections.Generic.ObjectEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -20 (-7.14% of base) : 192694.dasm - Internal.Cryptography.Helpers:FixupKeyParity(System.Byte[]):System.Byte[]
         -16 (-6.20% of base) : 161256.dasm - System.Drawing.Drawing2D.PathGradientBrush:set_SurroundColors(System.Drawing.Color[]):this
         -16 (-1.03% of base) : 216474.dasm - System.Runtime.Caching.ExpiresBucket:FlushExpiredItems(System.DateTime,bool):int:this
         -11 (-4.78% of base) : 173459.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
         -10 (-1.86% of base) : 179730.dasm - System.Security.Cryptography.Pkcs.SignedCms:AddCertificate(System.Security.Cryptography.X509Certificates.X509Certificate2):this
         -10 (-1.34% of base) : 149598.dasm - Microsoft.CodeAnalysis.VersionHelper:TryParse(System.String,bool,ushort,byref):bool
          -9 (-7.14% of base) : 150742.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+AssemblyReferenceBinding[System.__Canon, System.__Canon][]]):bool
          -8 (-7.02% of base) : 85767.dasm - System.Reflection.Internal.ObjectPool`1:Allocate():System.__Canon:this
          -8 (-0.52% of base) : 174207.dasm - Internal.IL.ILStackHelper:ComputeMaxStack(Internal.IL.MethodIL):int
          -6 (-3.66% of base) : 10430.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode[],int):Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode
          -6 (-1.29% of base) : 174026.dasm - Internal.TypeSystem.DefType:ComputeStaticFieldLayout(int):this
          -6 (-1.36% of base) : 174027.dasm - Internal.TypeSystem.DefType:ComputeInstanceLayout(int):this
          -5 (-0.40% of base) : 93729.dasm - System.Xml.Xsl.Runtime.XmlQueryStaticData:GetObjectData(byref,byref):this
          -5 (-1.65% of base) : 203938.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -4 (-0.31% of base) : 150744.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon, System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+AssemblyData[System.__Canon, System.__Canon]],int):bool:this
          -3 (-0.47% of base) : 173392.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int
          -3 (-0.09% of base) : 174233.dasm - Internal.IL.MethodILDebugView:get_Disassembly():System.String:this

Top method regressions (percentages):
         162 (114.89% of base) : 44518.dasm - System.Collections.Generic.NullableEqualityComparer`1:IndexOf(System.Nullable`1[System.Int32][],System.Nullable`1[System.Int32],int,int):int:this
         116 (89.23% of base) : 75940.dasm - System.Data.Select:CompareClosestCandidateIndexDesc(System.Data.IndexField[]):int:this
         152 (77.95% of base) : 84491.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:System.Speech.Internal.Synthesis.ISpEngineSite.AddEvents(System.Speech.Internal.Synthesis.SpeechEventSapi[],int):this
         528 (72.53% of base) : 2571.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol]
         171 (71.25% of base) : 181569.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeTypedArgument`1[System.Reflection.TypeLoading.RoType]]):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeTypedArgument]
         138 (66.03% of base) : 73748.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusContinue(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
          63 (61.76% of base) : 204826.dasm - System.Net.WebSockets.WebSocketProtocolComponent:MarshalHttpHeaders(long,int):Interop+WebSocket+HttpHeader[]
         241 (60.10% of base) : 204928.dasm - System.Net.WebSockets.WebSocketBuffer:ValidateNativeBuffers(int,int,Interop+WebSocket+Buffer[],int):this
          51 (60.00% of base) : 73746.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusSkip(System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         130 (58.82% of base) : 182039.dasm - System.Reflection.TypeLoading.CustomAttributeHelpers:CloneForApiReturn(System.Collections.Generic.IList`1[System.Reflection.CustomAttributeNamedArgument]):System.Collections.ObjectModel.ReadOnlyCollection`1[System.Reflection.CustomAttributeNamedArgument]
         107 (58.47% of base) : 43851.dasm - System.Collections.Generic.Dictionary`2:CopyTo(System.Collections.Generic.KeyValuePair`2[System.UInt64, System.Char][],int):this
          93 (58.13% of base) : 44836.dasm - System.Collections.Generic.GenericEqualityComparer`1:IndexOf(System.ValueTuple`3[System.IntPtr, System.__Canon, System.Int32][],System.ValueTuple`3[System.IntPtr, System.__Canon, System.Int32],int,int):int:this
         114 (57.00% of base) : 182040.dasm - System.Reflection.TypeLoading.CustomAttributeHelpers:CloneForApiReturn(System.Collections.Generic.IList`1[System.Reflection.CustomAttributeTypedArgument]):System.Collections.ObjectModel.ReadOnlyCollection`1[System.Reflection.CustomAttributeTypedArgument]
          97 (55.43% of base) : 44834.dasm - System.Collections.Generic.EqualityComparer`1:IndexOf(System.Resources.ResourceLocator[],System.Resources.ResourceLocator,int,int):int:this
          95 (55.23% of base) : 44715.dasm - ValueCollection:CopyTo(System.Char[],int):this
         134 (54.92% of base) : 181566.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeNamedArgument`1[System.Reflection.TypeLoading.RoType]],System.Type):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeNamedArgument]
         274 (53.83% of base) : 73747.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusErrors(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         118 (51.30% of base) : 23975.dasm - System.Collections.Generic.Dictionary`2:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon, System.__Canon][],int):this
          63 (51.22% of base) : 179690.dasm - System.Security.Cryptography.Pkcs.SignerInfo:FindAttributeIndexByOid(System.Security.Cryptography.Asn1.AttributeAsn[],System.Security.Cryptography.Oid,int):int
         293 (50.96% of base) : 92711.dasm - System.Xml.Xsl.IlGen.XmlILVisitor:VisitChoice(System.Xml.Xsl.Qil.QilChoice):System.Xml.Xsl.Qil.QilNode:this

Top method improvements (percentages):
         -36 (-10.14% of base) : 24021.dasm - System.Collections.Generic.GenericEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -32 (-9.61% of base) : 24016.dasm - System.Collections.Generic.ObjectEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -20 (-7.14% of base) : 192694.dasm - Internal.Cryptography.Helpers:FixupKeyParity(System.Byte[]):System.Byte[]
          -9 (-7.14% of base) : 150742.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+AssemblyReferenceBinding[System.__Canon, System.__Canon][]]):bool
          -8 (-7.02% of base) : 85767.dasm - System.Reflection.Internal.ObjectPool`1:Allocate():System.__Canon:this
         -16 (-6.20% of base) : 161256.dasm - System.Drawing.Drawing2D.PathGradientBrush:set_SurroundColors(System.Drawing.Color[]):this
         -11 (-4.78% of base) : 173459.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
          -6 (-3.66% of base) : 10430.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode[],int):Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode
          -2 (-2.78% of base) : 33665.dasm - MultiElementAsyncLocalValueMap:TryGetValue(System.Threading.IAsyncLocal,byref):bool:this
          -2 (-2.67% of base) : 193636.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
          -2 (-2.67% of base) : 83190.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
          -2 (-2.67% of base) : 215902.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
          -2 (-2.56% of base) : 205146.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
         -10 (-1.86% of base) : 179730.dasm - System.Security.Cryptography.Pkcs.SignedCms:AddCertificate(System.Security.Cryptography.X509Certificates.X509Certificate2):this
          -5 (-1.65% of base) : 203938.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -6 (-1.36% of base) : 174027.dasm - Internal.TypeSystem.DefType:ComputeInstanceLayout(int):this
          -1 (-1.35% of base) : 215903.dasm - System.Net.ContextFlagsAdapterPal:GetContextFlagsPalFromInterop(int):int
          -1 (-1.35% of base) : 83191.dasm - System.Net.ContextFlagsAdapterPal:GetContextFlagsPalFromInterop(int):int
          -1 (-1.35% of base) : 193637.dasm - System.Net.ContextFlagsAdapterPal:GetContextFlagsPalFromInterop(int):int
         -10 (-1.34% of base) : 149598.dasm - Microsoft.CodeAnalysis.VersionHelper:TryParse(System.String,bool,ushort,byref):bool

103 total methods with Code Size differences (33 improved, 70 regressed), 8 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 70371
Total bytes of diff: 77796
Total bytes of delta: 7425 (10.55% of base)
Total relative delta: 25.59
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         491 : 45068.dasm (69.55% of base)
         310 : 145953.dasm (43.79% of base)
         299 : 203675.dasm (61.40% of base)
         260 : 117169.dasm (43.12% of base)
         249 : 160923.dasm (66.58% of base)
         216 : 220005.dasm (74.23% of base)
         184 : 20289.dasm (127.78% of base)
         163 : 152884.dasm (76.53% of base)
         160 : 20380.dasm (21.22% of base)
         160 : 20410.dasm (70.18% of base)
         158 : 40560.dasm (15.24% of base)
         156 : 115022.dasm (11.76% of base)
         156 : 132472.dasm (41.71% of base)
         154 : 20309.dasm (105.48% of base)
         147 : 41852.dasm (76.17% of base)
         144 : 20362.dasm (50.35% of base)
         144 : 40912.dasm (41.14% of base)
         140 : 214346.dasm (24.39% of base)
         140 : 214409.dasm (24.39% of base)
         139 : 117168.dasm (73.54% of base)

Top file improvements (bytes):
         -71 : 208247.dasm (-6.07% of base)
         -42 : 117208.dasm (-0.83% of base)
         -26 : 161794.dasm (-10.36% of base)
         -23 : 20296.dasm (-9.24% of base)
         -23 : 20312.dasm (-9.24% of base)
         -23 : 20302.dasm (-9.39% of base)
         -23 : 20299.dasm (-9.16% of base)
         -22 : 20270.dasm (-13.17% of base)
         -22 : 20276.dasm (-13.17% of base)
         -22 : 20306.dasm (-6.43% of base)
         -20 : 216496.dasm (-6.94% of base)
         -17 : 148574.dasm (-0.33% of base)
         -15 : 49464.dasm (-0.54% of base)
         -15 : 8645.dasm (-2.91% of base)
         -11 : 35759.dasm (-6.25% of base)
         -10 : 20287.dasm (-7.04% of base)
          -8 : 151645.dasm (-7.69% of base)
          -5 : 144804.dasm (-0.35% of base)
          -5 : 221018.dasm (-1.40% of base)
          -5 : 161876.dasm (-0.70% of base)

123 total files with Code Size differences (36 improved, 87 regressed), 5 unchanged.

Top method regressions (bytes):
         491 (69.55% of base) : 45068.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol, Microsoft.CodeAnalysis.CSharp, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]
         310 (43.79% of base) : 145953.dasm - System.Xml.Xsl.IlGen.XmlILVisitor:VisitChoice(System.Xml.Xsl.Qil.QilChoice):System.Xml.Xsl.Qil.QilNode:this
         299 (61.40% of base) : 203675.dasm - System.Net.WebSockets.WebSocketBuffer:ValidateNativeBuffers(int,int,Interop+WebSocket+Buffer[],int):this
         260 (43.12% of base) : 117169.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusErrors(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         249 (66.58% of base) : 160923.dasm - Internal.IL.EcmaMethodIL:GetExceptionRegions():Internal.IL.ILExceptionRegion[]:this
         216 (74.23% of base) : 220005.dasm - System.Security.Cryptography.Pkcs.SignerInfo:FindAttributeIndexByOid(System.Security.Cryptography.Asn1.AttributeAsn[],System.Security.Cryptography.Oid,int):int
         184 (127.78% of base) : 20289.dasm - System.Collections.Generic.NullableEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Nullable`1[System.Byte][],System.Nullable`1[Byte],int,int):int:this
         163 (76.53% of base) : 152884.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:System.Speech.Internal.Synthesis.ISpEngineSite.AddEvents(System.Speech.Internal.Synthesis.SpeechEventSapi[],int):this
         160 (21.22% of base) : 20380.dasm - System.Collections.Generic.Dictionary`2[Byte,Nullable`1][System.Byte,System.Nullable`1[System.Int32]]:System.Collections.ICollection.CopyTo(System.Array,int):this
         160 (70.18% of base) : 20410.dasm - System.Collections.Generic.Dictionary`2[Byte,Nullable`1][System.Byte,System.Nullable`1[System.Int32]]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.Byte,System.Nullable`1[System.Int32]][],int):this
         158 (15.24% of base) : 40560.dasm - Microsoft.CodeAnalysis.CSharp.Emit.CSharpDefinitionMap:CreateLocalSlotMap(Microsoft.CodeAnalysis.Emit.EditAndContinueMethodDebugInformation,System.Collections.Immutable.ImmutableArray`1[[Microsoft.CodeAnalysis.LocalInfo`1[[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol, Microsoft.CodeAnalysis.CSharp, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], Microsoft.CodeAnalysis, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]):System.Collections.Immutable.ImmutableArray`1[EncLocalInfo]
         156 (11.76% of base) : 115022.dasm - System.Data.Select:CreateIndex():this
         156 (41.71% of base) : 132472.dasm - AttributeSorter:Sort():this
         154 (105.48% of base) : 20309.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Vector`1][System.Numerics.Vector`1[System.Single]]:IndexOf(System.Numerics.Vector`1[System.Single][],System.Numerics.Vector`1[Single],int,int):int:this
         147 (76.17% of base) : 41852.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor:Equals(Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor,bool,bool):bool:this
         144 (50.35% of base) : 20362.dasm - System.Collections.Generic.Dictionary`2[__Canon,Nullable`1][System.__Canon,System.Nullable`1[System.Int32]]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[System.Int32]][],int):this
         144 (41.14% of base) : 40912.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeManager:IsSameType(Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol,bool,bool):bool
         140 (24.39% of base) : 214346.dasm - System.Runtime.Caching.ExpiresBucket:Expand():this
         140 (24.39% of base) : 214409.dasm - System.Runtime.Caching.UsageBucket:Expand():this
         139 (73.54% of base) : 117168.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusContinue(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this

Top method improvements (bytes):
         -71 (-6.07% of base) : 208247.dasm - System.Net.Security.SslStreamCertificateContext:.ctor(System.Security.Cryptography.X509Certificates.X509Certificate2,System.Security.Cryptography.X509Certificates.X509Certificate2[],System.Net.Security.SslCertificateTrust):this
         -42 (-0.83% of base) : 117208.dasm - System.Data.Common.DbDataAdapter:Update(System.Data.DataRow[],System.Data.Common.DataTableMapping):int:this
         -26 (-10.36% of base) : 161794.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
         -23 (-9.24% of base) : 20296.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Byte[],ubyte,int,int):int:this
         -23 (-9.24% of base) : 20312.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Int64][System.Int64]:IndexOf(System.Int64[],long,int,int):int:this
         -23 (-9.39% of base) : 20302.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Int32][System.Int32]:IndexOf(System.Int32[],int,int,int):int:this
         -23 (-9.16% of base) : 20299.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Int16][System.Int16]:IndexOf(System.Int16[],short,int,int):int:this
         -22 (-13.17% of base) : 20270.dasm - System.Collections.Generic.GenericEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Byte[],ubyte,int,int):int:this
         -22 (-13.17% of base) : 20276.dasm - System.Collections.Generic.GenericEqualityComparer`1[Int16][System.Int16]:IndexOf(System.Int16[],short,int,int):int:this
         -22 (-6.43% of base) : 20306.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Double][System.Double]:IndexOf(System.Double[],double,int,int):int:this
         -20 (-6.94% of base) : 216496.dasm - Internal.Cryptography.Helpers:FixupKeyParity(System.Byte[]):System.Byte[]
         -17 (-0.33% of base) : 148574.dasm - System.Reflection.PortableExecutable.PEBuilder:WritePEHeader(System.Reflection.Metadata.BlobBuilder,System.Reflection.PortableExecutable.PEDirectoriesBuilder,System.Collections.Immutable.ImmutableArray`1[SerializedSection]):this
         -15 (-0.54% of base) : 49464.dasm - Microsoft.CodeAnalysis.VisualBasic.IteratorAndAsyncCaptureWalker:Analyze(Microsoft.CodeAnalysis.VisualBasic.FlowAnalysisInfo,Microsoft.CodeAnalysis.DiagnosticBag):Result
         -15 (-2.91% of base) : 8645.dasm - Microsoft.FSharp.Collections.ArrayModule:Zip(System.Byte[],System.Nullable`1[System.Int32][]):System.Tuple`2[System.Byte,System.Nullable`1[System.Int32]][]
         -11 (-6.25% of base) : 35759.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode[],int):Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode
         -10 (-7.04% of base) : 20287.dasm - System.Collections.Generic.GenericEqualityComparer`1[Int64][System.Int64]:IndexOf(System.Int64[],long,int,int):int:this
          -8 (-7.69% of base) : 151645.dasm - System.Reflection.Internal.ObjectPool`1[__Canon][System.__Canon]:Allocate():System.__Canon:this
          -5 (-0.35% of base) : 144804.dasm - System.Xml.Xsl.Runtime.XmlQueryStaticData:GetObjectData(byref,byref):this
          -5 (-1.40% of base) : 221018.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -5 (-0.70% of base) : 161876.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int

Top method regressions (percentages):
         184 (127.78% of base) : 20289.dasm - System.Collections.Generic.NullableEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Nullable`1[System.Byte][],System.Nullable`1[Byte],int,int):int:this
         154 (105.48% of base) : 20309.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Vector`1][System.Numerics.Vector`1[System.Single]]:IndexOf(System.Numerics.Vector`1[System.Single][],System.Numerics.Vector`1[Single],int,int):int:this
         108 (91.53% of base) : 115019.dasm - System.Data.Select:CompareClosestCandidateIndexDesc(System.Data.IndexField[]):int:this
         122 (81.88% of base) : 41851.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor:Equals(Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor):bool:this
         163 (76.53% of base) : 152884.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:System.Speech.Internal.Synthesis.ISpEngineSite.AddEvents(System.Speech.Internal.Synthesis.SpeechEventSapi[],int):this
         147 (76.17% of base) : 41852.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor:Equals(Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor,bool,bool):bool:this
          82 (74.55% of base) : 20283.dasm - System.Collections.Generic.GenericEqualityComparer`1[Vector`1][System.Numerics.Vector`1[System.Single]]:IndexOf(System.Numerics.Vector`1[System.Single][],System.Numerics.Vector`1[Single],int,int):int:this
         216 (74.23% of base) : 220005.dasm - System.Security.Cryptography.Pkcs.SignerInfo:FindAttributeIndexByOid(System.Security.Cryptography.Asn1.AttributeAsn[],System.Security.Cryptography.Oid,int):int
         139 (73.54% of base) : 117168.da…
@ghost ghost added the in-pr There is an active PR which will close this issue when it is merged label Jul 14, 2021
BruceForstall added a commit that referenced this issue Jul 15, 2021
* Support cloning loops with array of struct indexing expressions

Loop cloning, in `optExtractArrIndex()`, was matching the post-morph
trees representing array index expressions. This was not necessary,
as all the information we actually need is in the array bound check node,
namely the array base and the array index. The code was verifying that the
bounds check information matched the morph expression, but we don't really
need to do that anyway, as the main thing we care about it whether or not
we can remove the bounds check.

The full array index expression morphed tree can be complex, especially
for arrays of structs. Simply deleting this parsing code enables cloning to
kick in for arrays of structs.

There was one bug needing fixing, though: after removing the array bounds
check, the GTF_EXCEPT bits are recalculated over the entire Statement tree.
It was doing this top-down, but needs to do it bottom-up to handle the array
of structs case where we have `IND(COMMA(..., ADDR()))`, to propagate the bit
through the COMMA.

Fixes #48897

There are a few microbenchmark wins ("runtime2" is baseline, "runtime" is diff):
```
|    Method |        Job |                                                                         Toolchain |     Mean |   Error |  StdDev |   Median |      Min |      Max | Ratio |
|---------- |----------- |---------------------------------------------------------------------------------- |---------:|--------:|--------:|---------:|---------:|---------:|------:|
| MulMatrix | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 370.8 ms | 1.32 ms | 1.17 ms | 370.5 ms | 369.3 ms | 373.1 ms |  1.00 |
| MulMatrix | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 351.6 ms | 1.92 ms | 1.60 ms | 351.6 ms | 349.2 ms | 355.2 ms |  0.95 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
| SpectralNorm_1 | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 865.0 us | 16.71 us | 18.57 us | 858.8 us | 843.3 us | 896.0 us |  1.00 |
| SpectralNorm_1 | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 844.6 us |  9.47 us |  8.40 us | 841.5 us | 836.3 us | 860.6 us |  0.97 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
|      BenchEmFloat | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 3,183.1 ms | 14.45 ms | 13.52 ms | 3,188.8 ms | 3,157.0 ms | 3,205.5 ms |  1.00 |    0.00 |
|      BenchEmFloat | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 3,115.8 ms | 13.19 ms | 12.34 ms | 3,109.3 ms | 3,105.3 ms | 3,147.1 ms |  0.98 |    0.00 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
| BenchAssignJagged | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe |   938.1 ms |  5.26 ms |  4.66 ms |   937.8 ms |   932.3 ms |   946.4 ms |  1.00 |    0.00 |
| BenchAssignJagged | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe |   954.0 ms | 12.19 ms | 10.18 ms |   951.8 ms |   943.6 ms |   978.7 ms |  1.02 |    0.01 |
|                   |            |                                                                                   |            |          |          |            |            |            |       |         |
|     BenchLUDecomp | Job-LARQLS | \runtime2\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 1,094.6 ms | 14.91 ms | 13.95 ms | 1,095.0 ms | 1,072.5 ms | 1,117.7 ms |  1.00 |    0.00 |
|     BenchLUDecomp | Job-GYTYVK |  \runtime\artifacts\tests\coreclr\windows.x64.Checked\Tests\Core_Root\CoreRun.exe | 1,133.9 ms | 16.55 ms | 15.48 ms | 1,139.1 ms | 1,107.9 ms | 1,154.0 ms |  1.04 |    0.02 |
```

spmi diffs:

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 10605
Total bytes of diff: 13993
Total bytes of delta: 3388 (31.95% of base)
Total relative delta: 13.43
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         190 : 41209.dasm (89.62% of base)
         190 : 19281.dasm (89.62% of base)
         163 : 41303.dasm (67.08% of base)
         163 : 19393.dasm (67.08% of base)
         126 : 38635.dasm (50.00% of base)
         126 : 17973.dasm (50.00% of base)
         125 : 35718.dasm (29.07% of base)
         125 : 18582.dasm (29.07% of base)
         125 : 39316.dasm (29.07% of base)
         124 : 12493.dasm (47.51% of base)
         124 : 15994.dasm (47.51% of base)
         124 : 31342.dasm (49.80% of base)
         124 : 36770.dasm (48.44% of base)
         124 : 30776.dasm (48.44% of base)
         106 : 32284.dasm (39.85% of base)
         106 : 19181.dasm (39.85% of base)
         105 : 41328.dasm (53.85% of base)
         105 : 19427.dasm (53.85% of base)
          94 : 19275.dasm (19.34% of base)
          94 : 41203.dasm (19.34% of base)

Top file improvements (bytes):
         -32 : 22627.dasm (-12.55% of base)
         -32 : 35972.dasm (-12.55% of base)
         -32 : 30648.dasm (-12.55% of base)

36 total files with Code Size differences (3 improved, 33 regressed), 1 unchanged.

Top method regressions (bytes):
         190 (89.62% of base) : 41209.dasm - Dictionary`2:CopyEntries(ref,int):this
         190 (89.62% of base) : 19281.dasm - Dictionary`2:CopyEntries(ref,int):this
         163 (67.08% of base) : 41303.dasm - Dictionary`2:CopyTo(ref,int):this
         163 (67.08% of base) : 19393.dasm - Dictionary`2:CopyTo(ref,int):this
         126 (50.00% of base) : 38635.dasm - Dictionary`2:Resize(int,bool):this
         126 (50.00% of base) : 17973.dasm - Dictionary`2:Resize(int,bool):this
         125 (29.07% of base) : 35718.dasm - Dictionary`2:Resize(int,bool):this
         125 (29.07% of base) : 18582.dasm - Dictionary`2:Resize(int,bool):this
         125 (29.07% of base) : 39316.dasm - Dictionary`2:Resize(int,bool):this
         124 (47.51% of base) : 12493.dasm - Dictionary`2:Resize(int,bool):this
         124 (47.51% of base) : 15994.dasm - Dictionary`2:Resize(int,bool):this
         124 (49.80% of base) : 31342.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 36770.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 30776.dasm - Dictionary`2:Resize(int,bool):this
         106 (39.85% of base) : 32284.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         106 (39.85% of base) : 19181.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         105 (53.85% of base) : 41328.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         105 (53.85% of base) : 19427.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
          94 (19.34% of base) : 19275.dasm - Dictionary`2:AddRange(IEnumerable`1):this
          94 (19.34% of base) : 41203.dasm - Dictionary`2:AddRange(IEnumerable`1):this

Top method improvements (bytes):
         -32 (-12.55% of base) : 22627.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 35972.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 30648.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this

Top method regressions (percentages):
         190 (89.62% of base) : 41209.dasm - Dictionary`2:CopyEntries(ref,int):this
         190 (89.62% of base) : 19281.dasm - Dictionary`2:CopyEntries(ref,int):this
         163 (67.08% of base) : 41303.dasm - Dictionary`2:CopyTo(ref,int):this
         163 (67.08% of base) : 19393.dasm - Dictionary`2:CopyTo(ref,int):this
         105 (53.85% of base) : 41328.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
         105 (53.85% of base) : 19427.dasm - EnumerableSorter`2:ComputeKeys(ref,int):this
          78 (51.66% of base) : 37496.dasm - RouteValueDictionary:TryFindItem(String,byref):bool:this
         126 (50.00% of base) : 38635.dasm - Dictionary`2:Resize(int,bool):this
         126 (50.00% of base) : 17973.dasm - Dictionary`2:Resize(int,bool):this
         124 (49.80% of base) : 31342.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 36770.dasm - Dictionary`2:Resize(int,bool):this
         124 (48.44% of base) : 30776.dasm - Dictionary`2:Resize(int,bool):this
          88 (47.57% of base) : 37495.dasm - RouteValueDictionary:TryGetValue(String,byref):bool:this
          88 (47.57% of base) : 22930.dasm - RouteValueDictionary:TryGetValue(String,byref):bool:this
         124 (47.51% of base) : 12493.dasm - Dictionary`2:Resize(int,bool):this
         124 (47.51% of base) : 15994.dasm - Dictionary`2:Resize(int,bool):this
          76 (44.97% of base) : 18170.dasm - ValueCollection:CopyTo(ref,int):this
          76 (44.97% of base) : 38751.dasm - ValueCollection:CopyTo(ref,int):this
          76 (44.19% of base) : 30837.dasm - ValueCollection:CopyTo(ref,int):this
          76 (44.19% of base) : 36738.dasm - ValueCollection:CopyTo(ref,int):this

Top method improvements (percentages):
         -32 (-12.55% of base) : 22627.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 35972.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this
         -32 (-12.55% of base) : 30648.dasm - ObjectEqualityComparer`1:IndexOf(ref,__Canon,int,int):int:this

36 total methods with Code Size differences (3 improved, 33 regressed), 1 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 19656
Total bytes of diff: 21755
Total bytes of delta: 2099 (10.68% of base)
Total relative delta: 6.71
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         314 : 10636.dasm (65.42% of base)
         281 : 25723.dasm (9.59% of base)
         276 : 10626.dasm (85.98% of base)
         191 : 17802.dasm (46.81% of base)
         113 : 9414.dasm (49.78% of base)
          98 : 11859.dasm (19.72% of base)
          98 : 11860.dasm (19.72% of base)
          89 : 7680.dasm (51.45% of base)
          84 : 7683.dasm (48.00% of base)
          84 : 15110.dasm (8.06% of base)
          80 : 7673.dasm (13.01% of base)
          80 : 3345.dasm (47.62% of base)
          77 : 9246.dasm (82.80% of base)
          76 : 2291.dasm (44.19% of base)
          62 : 14611.dasm (13.45% of base)
          62 : 14612.dasm (13.36% of base)
          57 : 25481.dasm (36.54% of base)
          45 : 20229.dasm (22.39% of base)
          28 : 24281.dasm (31.11% of base)
          28 : 12802.dasm (1.63% of base)

Top file improvements (bytes):
         -48 : 1274.dasm (-14.20% of base)
         -36 : 2717.dasm (-10.17% of base)
         -14 : 14028.dasm (-2.84% of base)
         -13 : 24210.dasm (-3.06% of base)
         -11 : 20189.dasm (-6.25% of base)
         -10 : 24211.dasm (-2.35% of base)
          -8 : 21902.dasm (-7.69% of base)
          -6 : 17322.dasm (-4.44% of base)
          -5 : 8348.dasm (-1.40% of base)
          -4 : 15533.dasm (-0.35% of base)
          -3 : 13358.dasm (-4.76% of base)
          -3 : 15111.dasm (-0.43% of base)
          -2 : 15133.dasm (-0.35% of base)
          -2 : 19751.dasm (-0.36% of base)
          -2 : 15621.dasm (-0.35% of base)

39 total files with Code Size differences (15 improved, 24 regressed), 2 unchanged.

Top method regressions (bytes):
         314 (65.42% of base) : 10636.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
         281 ( 9.59% of base) : 25723.dasm - Benchstone.BenchI.MulMatrix:Inner(System.Int32[][],System.Int32[][],System.Int32[][])
         276 (85.98% of base) : 10626.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
         191 (46.81% of base) : 17802.dasm - Microsoft.CodeAnalysis.MetadataDecoder`5[__Canon,__Canon,__Canon,__Canon,__Canon][System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:DoPropertySignaturesMatch(Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],bool,bool,bool):bool:this
         113 (49.78% of base) : 9414.dasm - System.Collections.Generic.Dictionary`2[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon][],int):this
          98 (19.72% of base) : 11859.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          98 (19.72% of base) : 11860.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          89 (51.45% of base) : 7680.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
          84 (48.00% of base) : 7683.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
          84 ( 8.06% of base) : 15110.dasm - ProtoBuf.Compiler.CompilerContext:Switch(ProtoBuf.Compiler.CodeLabel[]):this
          80 (13.01% of base) : 7673.dasm - System.Collections.Generic.Dictionary`2[Int32,Int32][System.Int32,System.Int32]:AddRange(System.Collections.Generic.IEnumerable`1[KeyValuePair`2]):this
          80 (47.62% of base) : 3345.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
          77 (82.80% of base) : 9246.dasm - System.Collections.Generic.GenericEqualityComparer`1[OpCode][System.Reflection.Emit.OpCode]:IndexOf(System.Reflection.Emit.OpCode[],System.Reflection.Emit.OpCode,int,int):int:this
          76 (44.19% of base) : 2291.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
          62 (13.45% of base) : 14611.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          62 (13.36% of base) : 14612.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          57 (36.54% of base) : 25481.dasm - System.Collections.Tests.Perf_PriorityQueue`2[__Canon,__Canon][System.__Canon,System.__Canon]:K_Max_Elements():this
          45 (22.39% of base) : 20229.dasm - WithManyWeakChildren:.ctor(WithManyChildrenBase,Microsoft.CodeAnalysis.SyntaxNode,int):this
          28 (31.11% of base) : 24281.dasm - SciMark2.FFT:inverse(System.Double[])
          28 ( 1.63% of base) : 12802.dasm - AssignJagged:second_assignments(System.Int32[][],System.Int16[][])

Top method improvements (bytes):
         -48 (-14.20% of base) : 1274.dasm - System.Collections.Generic.ObjectEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -36 (-10.17% of base) : 2717.dasm - System.Collections.Generic.GenericEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -14 (-2.84% of base) : 14028.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_NoExpiration():this
         -13 (-3.06% of base) : 24210.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
         -11 (-6.25% of base) : 20189.dasm - Microsoft.CodeAnalysis.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.GreenNode[],int):Microsoft.CodeAnalysis.GreenNode
         -10 (-2.35% of base) : 24211.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -8 (-7.69% of base) : 21902.dasm - System.Reflection.Internal.ObjectPool`1[__Canon][System.__Canon]:Allocate():System.__Canon:this
          -6 (-4.44% of base) : 17322.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[__Canon,__Canon][System.__Canon,System.__Canon]:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[__Canon]):bool
          -5 (-1.40% of base) : 8348.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -4 (-0.35% of base) : 15533.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])
          -3 (-4.76% of base) : 13358.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
          -3 (-0.43% of base) : 15111.dasm - DynamicClass:proto_1(System.Object,ProtoBuf.ProtoWriter)
          -2 (-0.35% of base) : 15133.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_RelativeExpiration():this
          -2 (-0.36% of base) : 19751.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_ExpirationTokens():this
          -2 (-0.35% of base) : 15621.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_SlidingExpiration():this

Top method regressions (percentages):
         276 (85.98% of base) : 10626.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
          77 (82.80% of base) : 9246.dasm - System.Collections.Generic.GenericEqualityComparer`1[OpCode][System.Reflection.Emit.OpCode]:IndexOf(System.Reflection.Emit.OpCode[],System.Reflection.Emit.OpCode,int,int):int:this
         314 (65.42% of base) : 10636.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
          89 (51.45% of base) : 7680.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
         113 (49.78% of base) : 9414.dasm - System.Collections.Generic.Dictionary`2[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.__Canon][],int):this
          84 (48.00% of base) : 7683.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:CopyTo(System.Int32[],int):this
          80 (47.62% of base) : 3345.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
         191 (46.81% of base) : 17802.dasm - Microsoft.CodeAnalysis.MetadataDecoder`5[__Canon,__Canon,__Canon,__Canon,__Canon][System.__Canon,System.__Canon,System.__Canon,System.__Canon,System.__Canon]:DoPropertySignaturesMatch(Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],bool,bool,bool):bool:this
          76 (44.19% of base) : 2291.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:CopyTo(System.__Canon[],int):this
          57 (36.54% of base) : 25481.dasm - System.Collections.Tests.Perf_PriorityQueue`2[__Canon,__Canon][System.__Canon,System.__Canon]:K_Max_Elements():this
          28 (31.11% of base) : 24281.dasm - SciMark2.FFT:inverse(System.Double[])
          45 (22.39% of base) : 20229.dasm - WithManyWeakChildren:.ctor(WithManyChildrenBase,Microsoft.CodeAnalysis.SyntaxNode,int):this
          98 (19.72% of base) : 11859.dasm - KeyCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          98 (19.72% of base) : 11860.dasm - ValueCollection[Int32,Int32][System.Int32,System.Int32]:System.Collections.ICollection.CopyTo(System.Array,int):this
          27 (16.17% of base) : 10346.dasm - System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals:Setup(System.String,System.String):this
          62 (13.45% of base) : 14611.dasm - KeyCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          62 (13.36% of base) : 14612.dasm - ValueCollection[__Canon,__Canon][System.__Canon,System.__Canon]:System.Collections.ICollection.CopyTo(System.Array,int):this
          80 (13.01% of base) : 7673.dasm - System.Collections.Generic.Dictionary`2[Int32,Int32][System.Int32,System.Int32]:AddRange(System.Collections.Generic.IEnumerable`1[KeyValuePair`2]):this
         281 ( 9.59% of base) : 25723.dasm - Benchstone.BenchI.MulMatrix:Inner(System.Int32[][],System.Int32[][],System.Int32[][])
          84 ( 8.06% of base) : 15110.dasm - ProtoBuf.Compiler.CompilerContext:Switch(ProtoBuf.Compiler.CodeLabel[]):this

Top method improvements (percentages):
         -48 (-14.20% of base) : 1274.dasm - System.Collections.Generic.ObjectEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -36 (-10.17% of base) : 2717.dasm - System.Collections.Generic.GenericEqualityComparer`1[__Canon][System.__Canon]:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
          -8 (-7.69% of base) : 21902.dasm - System.Reflection.Internal.ObjectPool`1[__Canon][System.__Canon]:Allocate():System.__Canon:this
         -11 (-6.25% of base) : 20189.dasm - Microsoft.CodeAnalysis.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.GreenNode[],int):Microsoft.CodeAnalysis.GreenNode
          -3 (-4.76% of base) : 13358.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
          -6 (-4.44% of base) : 17322.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2[__Canon,__Canon][System.__Canon,System.__Canon]:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[__Canon]):bool
         -13 (-3.06% of base) : 24210.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
         -14 (-2.84% of base) : 14028.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_NoExpiration():this
         -10 (-2.35% of base) : 24211.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -5 (-1.40% of base) : 8348.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -3 (-0.43% of base) : 15111.dasm - DynamicClass:proto_1(System.Object,ProtoBuf.ProtoWriter)
          -2 (-0.36% of base) : 19751.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_ExpirationTokens():this
          -2 (-0.35% of base) : 15133.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_RelativeExpiration():this
          -2 (-0.35% of base) : 15621.dasm - Microsoft.Extensions.Caching.Memory.Tests.MemoryCacheTests:AddThenRemove_SlidingExpiration():this
          -4 (-0.35% of base) : 15533.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])

39 total methods with Code Size differences (15 improved, 24 regressed), 2 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 50789
Total bytes of diff: 57962
Total bytes of delta: 7173 (14.12% of base)
Total relative delta: 10.94
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         314 : 194633.dasm (65.42% of base)
         310 : 169017.dasm (26.12% of base)
         310 : 168630.dasm (26.12% of base)
         310 : 168802.dasm (26.12% of base)
         310 : 169110.dasm (26.12% of base)
         310 : 168724.dasm (26.12% of base)
         310 : 168920.dasm (26.12% of base)
         281 : 248723.dasm (9.59% of base)
         276 : 194632.dasm (85.98% of base)
         267 : 168730.dasm (16.11% of base)
         267 : 168808.dasm (16.11% of base)
         267 : 169021.dasm (16.11% of base)
         267 : 168926.dasm (16.11% of base)
         267 : 169114.dasm (16.11% of base)
         267 : 168636.dasm (16.11% of base)
         259 : 213032.dasm (102.37% of base)
         249 : 167322.dasm (66.58% of base)
         216 : 251496.dasm (91.14% of base)
         216 : 194592.dasm (12.80% of base)
         174 : 249196.dasm (20.67% of base)

Top file improvements (bytes):
         -26 : 166707.dasm (-10.36% of base)
         -13 : 248646.dasm (-3.06% of base)
         -10 : 248647.dasm (-2.35% of base)
          -5 : 166775.dasm (-0.69% of base)
          -4 : 194691.dasm (-0.35% of base)
          -3 : 168634.dasm (-1.91% of base)
          -3 : 168918.dasm (-2.75% of base)
          -3 : 168803.dasm (-1.91% of base)
          -3 : 168631.dasm (-1.91% of base)
          -3 : 168800.dasm (-2.75% of base)
          -3 : 168921.dasm (-1.91% of base)
          -3 : 168628.dasm (-2.75% of base)
          -3 : 168806.dasm (-1.91% of base)
          -3 : 168924.dasm (-1.91% of base)
          -3 : 241130.dasm (-0.99% of base)
          -3 : 168722.dasm (-2.75% of base)
          -3 : 168728.dasm (-1.91% of base)
          -3 : 239163.dasm (-4.76% of base)
          -3 : 168725.dasm (-1.91% of base)
          -2 : 241128.dasm (-0.77% of base)

70 total files with Code Size differences (20 improved, 50 regressed), 0 unchanged.

Top method regressions (bytes):
         314 (65.42% of base) : 194633.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
         310 (26.12% of base) : 169017.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168630.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168802.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 169110.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168724.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168920.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         281 ( 9.59% of base) : 248723.dasm - Benchstone.BenchI.MulMatrix:Inner(System.Int32[][],System.Int32[][],System.Int32[][])
         276 (85.98% of base) : 194632.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
         267 (16.11% of base) : 168730.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 168808.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 169021.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 168926.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 169114.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         267 (16.11% of base) : 168636.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool
         259 (102.37% of base) : 213032.dasm - ArrayMarshal:IsCorrect(ArrayMarshal+S2[],ArrayMarshal+S2[]):bool
         249 (66.58% of base) : 167322.dasm - Internal.IL.EcmaMethodIL:GetExceptionRegions():Internal.IL.ILExceptionRegion[]:this
         216 (91.14% of base) : 251496.dasm - VectorMathTests.Program:sum(System.Numerics.Vector4[]):float
         216 (12.80% of base) : 194592.dasm - Huffman:DoHuffIteration(System.Byte[],System.Byte[],System.Byte[],int,int,huff_node[]):long
         174 (20.67% of base) : 249196.dasm - SimpleArray_01.Test:BadMatrixMul1()

Top method improvements (bytes):
         -26 (-10.36% of base) : 166707.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
         -13 (-3.06% of base) : 248646.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
         -10 (-2.35% of base) : 248647.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -5 (-0.69% of base) : 166775.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int
          -4 (-0.35% of base) : 194691.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])
          -3 (-1.91% of base) : 168634.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-2.75% of base) : 168918.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168803.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168631.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-2.75% of base) : 168800.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168921.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-2.75% of base) : 168628.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168806.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168924.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-0.99% of base) : 241130.dasm - Vector3Test:VectorArray(float):int
          -3 (-2.75% of base) : 168722.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-1.91% of base) : 168728.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-4.76% of base) : 239163.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
          -3 (-1.91% of base) : 168725.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -2 (-0.77% of base) : 241128.dasm - Vector4Test:VectorArray(float):int

Top method regressions (percentages):
         259 (102.37% of base) : 213032.dasm - ArrayMarshal:IsCorrect(ArrayMarshal+S2[],ArrayMarshal+S2[]):bool
         216 (91.14% of base) : 251496.dasm - VectorMathTests.Program:sum(System.Numerics.Vector4[]):float
         276 (85.98% of base) : 194632.dasm - EMFloat:SetupCPUEmFloatArrays(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int)
          49 (74.24% of base) : 81558.dasm - Test:Check(int)
         249 (66.58% of base) : 167322.dasm - Internal.IL.EcmaMethodIL:GetExceptionRegions():Internal.IL.ILExceptionRegion[]:this
         314 (65.42% of base) : 194633.dasm - EMFloat:DoEmFloatIteration(EMFloat+InternalFPF[],EMFloat+InternalFPF[],EMFloat+InternalFPF[],int,int):long
         123 (60.89% of base) : 246188.dasm - ToBoxOrNotToBox.Program:PerfTest1(int,int)
         151 (52.61% of base) : 213030.dasm - ArrayMarshal:NewS2arr(int,int,int,short,ushort,ubyte,byte,short,ushort,long,long,float,double):ArrayMarshal+S2[]
          28 (31.11% of base) : 228715.dasm - SciMark2.FFT:inverse(System.Double[])
          89 (27.73% of base) : 167364.dasm - Internal.IL.InstantiatedMethodIL:GetLocals():Internal.TypeSystem.LocalVariableDefinition[]:this
         310 (26.12% of base) : 169017.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168630.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168802.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 169110.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168724.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         310 (26.12% of base) : 168920.dasm - Helper:ValidateInnerArraySequential(InnerArraySequential,InnerArraySequential,System.String):bool
         174 (20.67% of base) : 249196.dasm - SimpleArray_01.Test:BadMatrixMul1()
         158 (19.90% of base) : 253494.dasm - MatrixMul.Test:MatrixMul()
         141 (16.34% of base) : 249197.dasm - SimpleArray_01.Test:BadMatrixMul2()
         267 (16.11% of base) : 168730.dasm - Helper:ValidateOUTER3(OUTER3,OUTER3,System.String):bool

Top method improvements (percentages):
         -26 (-10.36% of base) : 166707.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
          -3 (-4.76% of base) : 239163.dasm - BenchmarksGame.Fasta_1:MakeCumulative(BenchmarksGame.Fasta_1+Frequency[])
         -13 (-3.06% of base) : 248646.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAv(int,System.Double[],System.Double[]):this
          -3 (-2.75% of base) : 168918.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-2.75% of base) : 168800.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-2.75% of base) : 168628.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
          -3 (-2.75% of base) : 168722.dasm - Helper:NewInnerArraySequential(int,float,System.String):InnerArraySequential
         -10 (-2.35% of base) : 248647.dasm - BenchmarksGame.SpectralNorm_1:MultiplyAtv(int,System.Double[],System.Double[]):this
          -3 (-1.91% of base) : 168634.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168803.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168631.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168921.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-1.91% of base) : 168806.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168924.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168728.dasm - Helper:NewOUTER3(int,float,System.String,System.String):OUTER3
          -3 (-1.91% of base) : 168725.dasm - Helper:NewInnerArrayExplicit(int,float,System.String,System.String):InnerArrayExplicit
          -3 (-0.99% of base) : 241130.dasm - Vector3Test:VectorArray(float):int
          -2 (-0.77% of base) : 241128.dasm - Vector4Test:VectorArray(float):int
          -5 (-0.69% of base) : 166775.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int
          -4 (-0.35% of base) : 194691.dasm - LUDecomp:build_problem(System.Double[][],int,System.Double[])

70 total methods with Code Size differences (20 improved, 50 regressed), 0 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 66954
Total bytes of diff: 74145
Total bytes of delta: 7191 (10.74% of base)
Total relative delta: 20.86
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         528 : 2571.dasm (72.53% of base)
         450 : 25232.dasm (15.59% of base)
         293 : 92711.dasm (50.96% of base)
         274 : 73747.dasm (53.83% of base)
         271 : 171367.dasm (17.96% of base)
         241 : 204928.dasm (60.10% of base)
         224 : 171366.dasm (17.39% of base)
         188 : 21977.dasm (12.56% of base)
         171 : 181569.dasm (71.25% of base)
         168 : 75937.dasm (12.19% of base)
         162 : 44518.dasm (114.89% of base)
         160 : 151231.dasm (44.08% of base)
         155 : 95335.dasm (7.05% of base)
         152 : 84491.dasm (77.95% of base)
         139 : 216480.dasm (25.88% of base)
         139 : 45298.dasm (46.96% of base)
         138 : 73748.dasm (66.03% of base)
         134 : 181566.dasm (54.92% of base)
         134 : 52201.dasm (29.39% of base)
         131 : 22122.dasm (15.45% of base)

Top file improvements (bytes):
         -37 : 73754.dasm (-0.81% of base)
         -36 : 24021.dasm (-10.14% of base)
         -32 : 24016.dasm (-9.61% of base)
         -20 : 192694.dasm (-7.14% of base)
         -16 : 161256.dasm (-6.20% of base)
         -16 : 216474.dasm (-1.03% of base)
         -11 : 173459.dasm (-4.78% of base)
         -10 : 179730.dasm (-1.86% of base)
         -10 : 149598.dasm (-1.34% of base)
          -9 : 150742.dasm (-7.14% of base)
          -8 : 85767.dasm (-7.02% of base)
          -8 : 174207.dasm (-0.52% of base)
          -6 : 10430.dasm (-3.66% of base)
          -6 : 174026.dasm (-1.29% of base)
          -6 : 174027.dasm (-1.36% of base)
          -5 : 93729.dasm (-0.40% of base)
          -5 : 203938.dasm (-1.65% of base)
          -4 : 150744.dasm (-0.31% of base)
          -3 : 173392.dasm (-0.47% of base)
          -3 : 174233.dasm (-0.09% of base)

103 total files with Code Size differences (33 improved, 70 regressed), 8 unchanged.

Top method regressions (bytes):
         528 (72.53% of base) : 2571.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol]
         450 (15.59% of base) : 25232.dasm - System.Diagnostics.Tracing.EventProvider:WriteEvent(byref,long,long,long,System.Object[]):bool:this
         293 (50.96% of base) : 92711.dasm - System.Xml.Xsl.IlGen.XmlILVisitor:VisitChoice(System.Xml.Xsl.Qil.QilChoice):System.Xml.Xsl.Qil.QilNode:this
         274 (53.83% of base) : 73747.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusErrors(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         271 (17.96% of base) : 171367.dasm - BatchBlockTargetCore:RetrievePostponedItemsNonGreedy(bool):this
         241 (60.10% of base) : 204928.dasm - System.Net.WebSockets.WebSocketBuffer:ValidateNativeBuffers(int,int,Interop+WebSocket+Buffer[],int):this
         224 (17.39% of base) : 171366.dasm - BatchBlockTargetCore:RetrievePostponedItemsGreedyBounded(bool):this
         188 (12.56% of base) : 21977.dasm - Microsoft.CodeAnalysis.CSharp.Binder:BindArrayCreationWithInitializer(Microsoft.CodeAnalysis.DiagnosticBag,Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax,Microsoft.CodeAnalysis.CSharp.Syntax.InitializerExpressionSyntax,Microsoft.CodeAnalysis.CSharp.Symbols.ArrayTypeSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.BoundExpression]):Microsoft.CodeAnalysis.CSharp.BoundArrayCreation:this
         171 (71.25% of base) : 181569.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeTypedArgument`1[System.Reflection.TypeLoading.RoType]]):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeTypedArgument]
         168 (12.19% of base) : 75937.dasm - System.Data.Select:CreateIndex():this
         162 (114.89% of base) : 44518.dasm - System.Collections.Generic.NullableEqualityComparer`1:IndexOf(System.Nullable`1[System.Int32][],System.Nullable`1[System.Int32],int,int):int:this
         160 (44.08% of base) : 151231.dasm - Microsoft.CodeAnalysis.MetadataDecoder`5:DoPropertySignaturesMatch(Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],Microsoft.CodeAnalysis.ParamInfo`1[System.__Canon][],bool,bool,bool):bool:this
         155 ( 7.05% of base) : 95335.dasm - System.Xml.Xsl.Xslt.XsltInput:GetAttributes(System.Xml.Xsl.Xslt.XsltInput+XsltAttribute[]):System.Xml.Xsl.Xslt.XsltInput+ContextInfo:this
         152 (77.95% of base) : 84491.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:System.Speech.Internal.Synthesis.ISpEngineSite.AddEvents(System.Speech.Internal.Synthesis.SpeechEventSapi[],int):this
         139 (25.88% of base) : 216480.dasm - System.Runtime.Caching.ExpiresBucket:Expand():this
         139 (46.96% of base) : 45298.dasm - AttributeSorter:Sort():this
         138 (66.03% of base) : 73748.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusContinue(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         134 (54.92% of base) : 181566.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeNamedArgument`1[System.Reflection.TypeLoading.RoType]],System.Type):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeNamedArgument]
         134 (29.39% of base) : 52201.dasm - System.Data.OleDb.OleDbCommand:ApplyParameterBindings(System.Data.Common.UnsafeNativeMethods+ICommandWithParameters,System.Data.OleDb.tagDBPARAMBINDINFO[]):this
         131 (15.45% of base) : 22122.dasm - Microsoft.CodeAnalysis.CSharp.Binder:GetParamArrayArgument(Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol,System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.TypedConstant],int,int,Microsoft.CodeAnalysis.CSharp.Conversions):Microsoft.CodeAnalysis.TypedConstant

Top method improvements (bytes):
         -37 (-0.81% of base) : 73754.dasm - System.Data.Common.DbDataAdapter:Update(System.Data.DataRow[],System.Data.Common.DataTableMapping):int:this
         -36 (-10.14% of base) : 24021.dasm - System.Collections.Generic.GenericEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -32 (-9.61% of base) : 24016.dasm - System.Collections.Generic.ObjectEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -20 (-7.14% of base) : 192694.dasm - Internal.Cryptography.Helpers:FixupKeyParity(System.Byte[]):System.Byte[]
         -16 (-6.20% of base) : 161256.dasm - System.Drawing.Drawing2D.PathGradientBrush:set_SurroundColors(System.Drawing.Color[]):this
         -16 (-1.03% of base) : 216474.dasm - System.Runtime.Caching.ExpiresBucket:FlushExpiredItems(System.DateTime,bool):int:this
         -11 (-4.78% of base) : 173459.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
         -10 (-1.86% of base) : 179730.dasm - System.Security.Cryptography.Pkcs.SignedCms:AddCertificate(System.Security.Cryptography.X509Certificates.X509Certificate2):this
         -10 (-1.34% of base) : 149598.dasm - Microsoft.CodeAnalysis.VersionHelper:TryParse(System.String,bool,ushort,byref):bool
          -9 (-7.14% of base) : 150742.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+AssemblyReferenceBinding[System.__Canon, System.__Canon][]]):bool
          -8 (-7.02% of base) : 85767.dasm - System.Reflection.Internal.ObjectPool`1:Allocate():System.__Canon:this
          -8 (-0.52% of base) : 174207.dasm - Internal.IL.ILStackHelper:ComputeMaxStack(Internal.IL.MethodIL):int
          -6 (-3.66% of base) : 10430.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode[],int):Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode
          -6 (-1.29% of base) : 174026.dasm - Internal.TypeSystem.DefType:ComputeStaticFieldLayout(int):this
          -6 (-1.36% of base) : 174027.dasm - Internal.TypeSystem.DefType:ComputeInstanceLayout(int):this
          -5 (-0.40% of base) : 93729.dasm - System.Xml.Xsl.Runtime.XmlQueryStaticData:GetObjectData(byref,byref):this
          -5 (-1.65% of base) : 203938.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -4 (-0.31% of base) : 150744.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2:ReuseAssemblySymbolsWithNoPiaLocalTypes(Microsoft.CodeAnalysis.CommonReferenceManager`2+BoundInputAssembly[System.__Canon, System.__Canon][],System.__Canon[],System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+AssemblyData[System.__Canon, System.__Canon]],int):bool:this
          -3 (-0.47% of base) : 173392.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int
          -3 (-0.09% of base) : 174233.dasm - Internal.IL.MethodILDebugView:get_Disassembly():System.String:this

Top method regressions (percentages):
         162 (114.89% of base) : 44518.dasm - System.Collections.Generic.NullableEqualityComparer`1:IndexOf(System.Nullable`1[System.Int32][],System.Nullable`1[System.Int32],int,int):int:this
         116 (89.23% of base) : 75940.dasm - System.Data.Select:CompareClosestCandidateIndexDesc(System.Data.IndexField[]):int:this
         152 (77.95% of base) : 84491.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:System.Speech.Internal.Synthesis.ISpEngineSite.AddEvents(System.Speech.Internal.Synthesis.SpeechEventSapi[],int):this
         528 (72.53% of base) : 2571.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol]
         171 (71.25% of base) : 181569.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeTypedArgument`1[System.Reflection.TypeLoading.RoType]]):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeTypedArgument]
         138 (66.03% of base) : 73748.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusContinue(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
          63 (61.76% of base) : 204826.dasm - System.Net.WebSockets.WebSocketProtocolComponent:MarshalHttpHeaders(long,int):Interop+WebSocket+HttpHeader[]
         241 (60.10% of base) : 204928.dasm - System.Net.WebSockets.WebSocketBuffer:ValidateNativeBuffers(int,int,Interop+WebSocket+Buffer[],int):this
          51 (60.00% of base) : 73746.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusSkip(System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         130 (58.82% of base) : 182039.dasm - System.Reflection.TypeLoading.CustomAttributeHelpers:CloneForApiReturn(System.Collections.Generic.IList`1[System.Reflection.CustomAttributeNamedArgument]):System.Collections.ObjectModel.ReadOnlyCollection`1[System.Reflection.CustomAttributeNamedArgument]
         107 (58.47% of base) : 43851.dasm - System.Collections.Generic.Dictionary`2:CopyTo(System.Collections.Generic.KeyValuePair`2[System.UInt64, System.Char][],int):this
          93 (58.13% of base) : 44836.dasm - System.Collections.Generic.GenericEqualityComparer`1:IndexOf(System.ValueTuple`3[System.IntPtr, System.__Canon, System.Int32][],System.ValueTuple`3[System.IntPtr, System.__Canon, System.Int32],int,int):int:this
         114 (57.00% of base) : 182040.dasm - System.Reflection.TypeLoading.CustomAttributeHelpers:CloneForApiReturn(System.Collections.Generic.IList`1[System.Reflection.CustomAttributeTypedArgument]):System.Collections.ObjectModel.ReadOnlyCollection`1[System.Reflection.CustomAttributeTypedArgument]
          97 (55.43% of base) : 44834.dasm - System.Collections.Generic.EqualityComparer`1:IndexOf(System.Resources.ResourceLocator[],System.Resources.ResourceLocator,int,int):int:this
          95 (55.23% of base) : 44715.dasm - ValueCollection:CopyTo(System.Char[],int):this
         134 (54.92% of base) : 181566.dasm - System.Reflection.TypeLoading.Ecma.EcmaCustomAttributeHelpers:ToApiForm(System.Collections.Generic.IList`1[System.Reflection.Metadata.CustomAttributeNamedArgument`1[System.Reflection.TypeLoading.RoType]],System.Type):System.Collections.Generic.IList`1[System.Reflection.CustomAttributeNamedArgument]
         274 (53.83% of base) : 73747.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusErrors(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         118 (51.30% of base) : 23975.dasm - System.Collections.Generic.Dictionary`2:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon, System.__Canon][],int):this
          63 (51.22% of base) : 179690.dasm - System.Security.Cryptography.Pkcs.SignerInfo:FindAttributeIndexByOid(System.Security.Cryptography.Asn1.AttributeAsn[],System.Security.Cryptography.Oid,int):int
         293 (50.96% of base) : 92711.dasm - System.Xml.Xsl.IlGen.XmlILVisitor:VisitChoice(System.Xml.Xsl.Qil.QilChoice):System.Xml.Xsl.Qil.QilNode:this

Top method improvements (percentages):
         -36 (-10.14% of base) : 24021.dasm - System.Collections.Generic.GenericEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -32 (-9.61% of base) : 24016.dasm - System.Collections.Generic.ObjectEqualityComparer`1:IndexOf(System.__Canon[],System.__Canon,int,int):int:this
         -20 (-7.14% of base) : 192694.dasm - Internal.Cryptography.Helpers:FixupKeyParity(System.Byte[]):System.Byte[]
          -9 (-7.14% of base) : 150742.dasm - Microsoft.CodeAnalysis.CommonReferenceManager`2:CheckCircularReference(System.Collections.Generic.IReadOnlyList`1[Microsoft.CodeAnalysis.CommonReferenceManager`2+AssemblyReferenceBinding[System.__Canon, System.__Canon][]]):bool
          -8 (-7.02% of base) : 85767.dasm - System.Reflection.Internal.ObjectPool`1:Allocate():System.__Canon:this
         -16 (-6.20% of base) : 161256.dasm - System.Drawing.Drawing2D.PathGradientBrush:set_SurroundColors(System.Drawing.Color[]):this
         -11 (-4.78% of base) : 173459.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
          -6 (-3.66% of base) : 10430.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode[],int):Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode
          -2 (-2.78% of base) : 33665.dasm - MultiElementAsyncLocalValueMap:TryGetValue(System.Threading.IAsyncLocal,byref):bool:this
          -2 (-2.67% of base) : 193636.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
          -2 (-2.67% of base) : 83190.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
          -2 (-2.67% of base) : 215902.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
          -2 (-2.56% of base) : 205146.dasm - System.Net.ContextFlagsAdapterPal:GetInteropFromContextFlagsPal(int):int
         -10 (-1.86% of base) : 179730.dasm - System.Security.Cryptography.Pkcs.SignedCms:AddCertificate(System.Security.Cryptography.X509Certificates.X509Certificate2):this
          -5 (-1.65% of base) : 203938.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -6 (-1.36% of base) : 174027.dasm - Internal.TypeSystem.DefType:ComputeInstanceLayout(int):this
          -1 (-1.35% of base) : 215903.dasm - System.Net.ContextFlagsAdapterPal:GetContextFlagsPalFromInterop(int):int
          -1 (-1.35% of base) : 83191.dasm - System.Net.ContextFlagsAdapterPal:GetContextFlagsPalFromInterop(int):int
          -1 (-1.35% of base) : 193637.dasm - System.Net.ContextFlagsAdapterPal:GetContextFlagsPalFromInterop(int):int
         -10 (-1.34% of base) : 149598.dasm - Microsoft.CodeAnalysis.VersionHelper:TryParse(System.String,bool,ushort,byref):bool

103 total methods with Code Size differences (33 improved, 70 regressed), 8 unchanged.

```

</details>

--------------------------------------------------------------------------------

```

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 70371
Total bytes of diff: 77796
Total bytes of delta: 7425 (10.55% of base)
Total relative delta: 25.59
    diff is a regression.
    relative diff is a regression.
```
<details>

<summary>Detail diffs</summary>

```

Top file regressions (bytes):
         491 : 45068.dasm (69.55% of base)
         310 : 145953.dasm (43.79% of base)
         299 : 203675.dasm (61.40% of base)
         260 : 117169.dasm (43.12% of base)
         249 : 160923.dasm (66.58% of base)
         216 : 220005.dasm (74.23% of base)
         184 : 20289.dasm (127.78% of base)
         163 : 152884.dasm (76.53% of base)
         160 : 20380.dasm (21.22% of base)
         160 : 20410.dasm (70.18% of base)
         158 : 40560.dasm (15.24% of base)
         156 : 115022.dasm (11.76% of base)
         156 : 132472.dasm (41.71% of base)
         154 : 20309.dasm (105.48% of base)
         147 : 41852.dasm (76.17% of base)
         144 : 20362.dasm (50.35% of base)
         144 : 40912.dasm (41.14% of base)
         140 : 214346.dasm (24.39% of base)
         140 : 214409.dasm (24.39% of base)
         139 : 117168.dasm (73.54% of base)

Top file improvements (bytes):
         -71 : 208247.dasm (-6.07% of base)
         -42 : 117208.dasm (-0.83% of base)
         -26 : 161794.dasm (-10.36% of base)
         -23 : 20296.dasm (-9.24% of base)
         -23 : 20312.dasm (-9.24% of base)
         -23 : 20302.dasm (-9.39% of base)
         -23 : 20299.dasm (-9.16% of base)
         -22 : 20270.dasm (-13.17% of base)
         -22 : 20276.dasm (-13.17% of base)
         -22 : 20306.dasm (-6.43% of base)
         -20 : 216496.dasm (-6.94% of base)
         -17 : 148574.dasm (-0.33% of base)
         -15 : 49464.dasm (-0.54% of base)
         -15 : 8645.dasm (-2.91% of base)
         -11 : 35759.dasm (-6.25% of base)
         -10 : 20287.dasm (-7.04% of base)
          -8 : 151645.dasm (-7.69% of base)
          -5 : 144804.dasm (-0.35% of base)
          -5 : 221018.dasm (-1.40% of base)
          -5 : 161876.dasm (-0.70% of base)

123 total files with Code Size differences (36 improved, 87 regressed), 5 unchanged.

Top method regressions (bytes):
         491 (69.55% of base) : 45068.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol:GetParameters(Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEModuleSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.PEPropertySymbol,Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],Microsoft.CodeAnalysis.ParamInfo`1[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol][],byref):System.Collections.Immutable.ImmutableArray`1[[Microsoft.CodeAnalysis.CSharp.Symbols.ParameterSymbol, Microsoft.CodeAnalysis.CSharp, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]
         310 (43.79% of base) : 145953.dasm - System.Xml.Xsl.IlGen.XmlILVisitor:VisitChoice(System.Xml.Xsl.Qil.QilChoice):System.Xml.Xsl.Qil.QilNode:this
         299 (61.40% of base) : 203675.dasm - System.Net.WebSockets.WebSocketBuffer:ValidateNativeBuffers(int,int,Interop+WebSocket+Buffer[],int):this
         260 (43.12% of base) : 117169.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusErrors(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this
         249 (66.58% of base) : 160923.dasm - Internal.IL.EcmaMethodIL:GetExceptionRegions():Internal.IL.ILExceptionRegion[]:this
         216 (74.23% of base) : 220005.dasm - System.Security.Cryptography.Pkcs.SignerInfo:FindAttributeIndexByOid(System.Security.Cryptography.Asn1.AttributeAsn[],System.Security.Cryptography.Oid,int):int
         184 (127.78% of base) : 20289.dasm - System.Collections.Generic.NullableEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Nullable`1[System.Byte][],System.Nullable`1[Byte],int,int):int:this
         163 (76.53% of base) : 152884.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:System.Speech.Internal.Synthesis.ISpEngineSite.AddEvents(System.Speech.Internal.Synthesis.SpeechEventSapi[],int):this
         160 (21.22% of base) : 20380.dasm - System.Collections.Generic.Dictionary`2[Byte,Nullable`1][System.Byte,System.Nullable`1[System.Int32]]:System.Collections.ICollection.CopyTo(System.Array,int):this
         160 (70.18% of base) : 20410.dasm - System.Collections.Generic.Dictionary`2[Byte,Nullable`1][System.Byte,System.Nullable`1[System.Int32]]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.Byte,System.Nullable`1[System.Int32]][],int):this
         158 (15.24% of base) : 40560.dasm - Microsoft.CodeAnalysis.CSharp.Emit.CSharpDefinitionMap:CreateLocalSlotMap(Microsoft.CodeAnalysis.Emit.EditAndContinueMethodDebugInformation,System.Collections.Immutable.ImmutableArray`1[[Microsoft.CodeAnalysis.LocalInfo`1[[Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol, Microsoft.CodeAnalysis.CSharp, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], Microsoft.CodeAnalysis, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]):System.Collections.Immutable.ImmutableArray`1[EncLocalInfo]
         156 (11.76% of base) : 115022.dasm - System.Data.Select:CreateIndex():this
         156 (41.71% of base) : 132472.dasm - AttributeSorter:Sort():this
         154 (105.48% of base) : 20309.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Vector`1][System.Numerics.Vector`1[System.Single]]:IndexOf(System.Numerics.Vector`1[System.Single][],System.Numerics.Vector`1[Single],int,int):int:this
         147 (76.17% of base) : 41852.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor:Equals(Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor,bool,bool):bool:this
         144 (50.35% of base) : 20362.dasm - System.Collections.Generic.Dictionary`2[__Canon,Nullable`1][System.__Canon,System.Nullable`1[System.Int32]]:CopyTo(System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[System.Int32]][],int):this
         144 (41.14% of base) : 40912.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeManager:IsSameType(Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol,Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol,bool,bool):bool
         140 (24.39% of base) : 214346.dasm - System.Runtime.Caching.ExpiresBucket:Expand():this
         140 (24.39% of base) : 214409.dasm - System.Runtime.Caching.UsageBucket:Expand():this
         139 (73.54% of base) : 117168.dasm - System.Data.Common.DbDataAdapter:UpdatedRowStatusContinue(System.Data.Common.RowUpdatedEventArgs,System.Data.Common.DbDataAdapter+BatchCommandInfo[],int):int:this

Top method improvements (bytes):
         -71 (-6.07% of base) : 208247.dasm - System.Net.Security.SslStreamCertificateContext:.ctor(System.Security.Cryptography.X509Certificates.X509Certificate2,System.Security.Cryptography.X509Certificates.X509Certificate2[],System.Net.Security.SslCertificateTrust):this
         -42 (-0.83% of base) : 117208.dasm - System.Data.Common.DbDataAdapter:Update(System.Data.DataRow[],System.Data.Common.DataTableMapping):int:this
         -26 (-10.36% of base) : 161794.dasm - Internal.TypeSystem.TypeSystemHelpers:RequiresSlotUnification(Internal.TypeSystem.MethodDesc):bool
         -23 (-9.24% of base) : 20296.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Byte[],ubyte,int,int):int:this
         -23 (-9.24% of base) : 20312.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Int64][System.Int64]:IndexOf(System.Int64[],long,int,int):int:this
         -23 (-9.39% of base) : 20302.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Int32][System.Int32]:IndexOf(System.Int32[],int,int,int):int:this
         -23 (-9.16% of base) : 20299.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Int16][System.Int16]:IndexOf(System.Int16[],short,int,int):int:this
         -22 (-13.17% of base) : 20270.dasm - System.Collections.Generic.GenericEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Byte[],ubyte,int,int):int:this
         -22 (-13.17% of base) : 20276.dasm - System.Collections.Generic.GenericEqualityComparer`1[Int16][System.Int16]:IndexOf(System.Int16[],short,int,int):int:this
         -22 (-6.43% of base) : 20306.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Double][System.Double]:IndexOf(System.Double[],double,int,int):int:this
         -20 (-6.94% of base) : 216496.dasm - Internal.Cryptography.Helpers:FixupKeyParity(System.Byte[]):System.Byte[]
         -17 (-0.33% of base) : 148574.dasm - System.Reflection.PortableExecutable.PEBuilder:WritePEHeader(System.Reflection.Metadata.BlobBuilder,System.Reflection.PortableExecutable.PEDirectoriesBuilder,System.Collections.Immutable.ImmutableArray`1[SerializedSection]):this
         -15 (-0.54% of base) : 49464.dasm - Microsoft.CodeAnalysis.VisualBasic.IteratorAndAsyncCaptureWalker:Analyze(Microsoft.CodeAnalysis.VisualBasic.FlowAnalysisInfo,Microsoft.CodeAnalysis.DiagnosticBag):Result
         -15 (-2.91% of base) : 8645.dasm - Microsoft.FSharp.Collections.ArrayModule:Zip(System.Byte[],System.Nullable`1[System.Int32][]):System.Tuple`2[System.Byte,System.Nullable`1[System.Int32]][]
         -11 (-6.25% of base) : 35759.dasm - Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.SyntaxList:List(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode[],int):Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode
         -10 (-7.04% of base) : 20287.dasm - System.Collections.Generic.GenericEqualityComparer`1[Int64][System.Int64]:IndexOf(System.Int64[],long,int,int):int:this
          -8 (-7.69% of base) : 151645.dasm - System.Reflection.Internal.ObjectPool`1[__Canon][System.__Canon]:Allocate():System.__Canon:this
          -5 (-0.35% of base) : 144804.dasm - System.Xml.Xsl.Runtime.XmlQueryStaticData:GetObjectData(byref,byref):this
          -5 (-1.40% of base) : 221018.dasm - Internal.Cryptography.Pal.ChainPal:GetChainStatusInformation(int):System.Security.Cryptography.X509Certificates.X509ChainStatus[]
          -5 (-0.70% of base) : 161876.dasm - Internal.TypeSystem.MetadataVirtualMethodAlgorithm:ResolveInterfaceMethodToDefaultImplementationOnType(Internal.TypeSystem.MethodDesc,Internal.TypeSystem.MetadataType,byref):int

Top method regressions (percentages):
         184 (127.78% of base) : 20289.dasm - System.Collections.Generic.NullableEqualityComparer`1[Byte][System.Byte]:IndexOf(System.Nullable`1[System.Byte][],System.Nullable`1[Byte],int,int):int:this
         154 (105.48% of base) : 20309.dasm - System.Collections.Generic.ObjectEqualityComparer`1[Vector`1][System.Numerics.Vector`1[System.Single]]:IndexOf(System.Numerics.Vector`1[System.Single][],System.Numerics.Vector`1[Single],int,int):int:this
         108 (91.53% of base) : 115019.dasm - System.Data.Select:CompareClosestCandidateIndexDesc(System.Data.IndexField[]):int:this
         122 (81.88% of base) : 41851.dasm - Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor:Equals(Microsoft.CodeAnalysis.CSharp.Symbols.AnonymousTypeDescriptor):bool:this
         163 (76.53% of base) : 152884.dasm - System.Speech.Internal.Synthesis.EngineSiteSapi:Syste…
@ghost ghost removed the in-pr There is an active PR which will close this issue when it is merged label Jul 15, 2021
@ghost ghost locked as resolved and limited conversation to collaborators Aug 14, 2021
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