[Perf] Linux/arm64: 7 Improvements on 11/7/2022 8:57:30 PM

[performanceautofiler]

Run Information

Architecture	arm64
OS	ubuntu 20.04
Baseline	bfa4812aec806f09f1e2927939ba98118e5e5bf7
Compare	2aebbf75167b3aa21cae23e6fd702688dd724663
Diff	Diff

Improvements in System.IO.Tests.StreamReaderReadLineTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ReadLineAsync - Duration of single invocation	92.74 μs	70.45 μs	0.76	0.49	False
ReadLineAsync - Duration of single invocation	40.66 μs	13.13 μs	0.32	0.01	False
ReadLine - Duration of single invocation	31.95 μs	9.48 μs	0.30	0.00	False
ReadLineAsync - Duration of single invocation	43.37 μs	12.06 μs	0.28	0.01	False
ReadLineAsync - Duration of single invocation	40.53 μs	12.73 μs	0.31	0.01	False
ReadLine - Duration of single invocation	32.60 μs	9.59 μs	0.29	0.01	False
ReadLine - Duration of single invocation	34.96 μs	10.08 μs	0.29	0.01	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.StreamReaderReadLineTests*'

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 9, 32])

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 70.45411051195428 < 85.43753891162739.
IsChangePoint: Marked as a change because one of 8/18/2022 5:47:38 AM, 10/14/2022 6:08:00 AM, 11/7/2022 4:10:19 PM, 11/9/2022 1:54:51 PM falls between 10/31/2022 10:23:25 PM and 11/9/2022 1:54:51 PM.
IsImprovementStdDev: Marked as improvement because 12.075015234978762 (T) = (0 -71424.38819801941) / Math.Sqrt((18575586.31783098 / (299)) + (6813873.306426147 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.16791873416986036 = (85838.23615685145 - 71424.38819801941) / 85838.23615685145 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [   0, 1024])

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 13.128574915824915 < 38.655744552634864.
IsChangePoint: Marked as a change because one of 8/17/2022 3:53:31 PM, 10/13/2022 10:51:15 PM, 11/7/2022 4:10:19 PM, 11/9/2022 1:54:51 PM falls between 10/31/2022 10:23:25 PM and 11/9/2022 1:54:51 PM.
IsImprovementStdDev: Marked as improvement because 118.03176018628821 (T) = (0 -13249.5163412055) / Math.Sqrt((6158511.881726194 / (299)) + (99300.04681528277 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.6418115263477194 = (36990.34814299403 - 13249.5163412055) / 36990.34814299403 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [   0, 1024])

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 9.47781995279509 < 30.224349877988676.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/9/2022 1:54:51 PM falls between 10/31/2022 10:23:25 PM and 11/9/2022 1:54:51 PM.
IsImprovementStdDev: Marked as improvement because 1624.9745902753168 (T) = (0 -9469.20359926663) / Math.Sqrt((27873.830587441098 / (299)) + (487.36546101888615 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.7032430747383925 = (31908.95575872073 - 9469.20359926663) / 31908.95575872073 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [1025, 2048])

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 12.06209039721843 < 40.94035759727433.
IsChangePoint: Marked as a change because one of 8/17/2022 3:53:31 PM, 10/13/2022 10:51:15 PM, 11/7/2022 4:10:19 PM, 11/9/2022 1:54:51 PM falls between 10/31/2022 10:23:25 PM and 11/9/2022 1:54:51 PM.
IsImprovementStdDev: Marked as improvement because 165.86985781668247 (T) = (0 -11932.101875591103) / Math.Sqrt((7069076.866207831 / (299)) + (15131.587858647283 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.6942021690842345 = (39019.57656095309 - 11932.101875591103) / 39019.57656095309 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 129, 1024])

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 12.72975308646805 < 38.6961968417593.
IsChangePoint: Marked as a change because one of 8/17/2022 3:53:31 PM, 10/13/2022 10:51:15 PM, 11/7/2022 4:10:19 PM, 11/9/2022 1:54:51 PM falls between 10/31/2022 10:23:25 PM and 11/9/2022 1:54:51 PM.
IsImprovementStdDev: Marked as improvement because 149.9690256263497 (T) = (0 -12856.163795073338) / Math.Sqrt((6740637.847984542 / (299)) + (16622.19703057747 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.6523167584345465 = (36976.65650259156 - 12856.163795073338) / 36976.65650259156 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [ 129, 1024])

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 9.587821573672805 < 30.748845016528264.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/9/2022 1:54:51 PM falls between 10/31/2022 10:23:25 PM and 11/9/2022 1:54:51 PM.
IsImprovementStdDev: Marked as improvement because 968.7868260145018 (T) = (0 -9537.622409598207) / Math.Sqrt((26840.831584467986 / (299)) + (2322.5415691234402 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.7051361848320825 = (32345.855676345946 - 9537.622409598207) / 32345.855676345946 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [1025, 2048])

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 10.078925914335866 < 33.33587481572203.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/9/2022 1:54:51 PM falls between 10/31/2022 10:23:25 PM and 11/9/2022 1:54:51 PM.
IsImprovementStdDev: Marked as improvement because 910.0403958689411 (T) = (0 -10129.981443567434) / Math.Sqrt((72200.28029158452 / (299)) + (2547.8992892676933 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.7111491902568383 = (35069.943035904034 - 10129.981443567434) / 35069.943035904034 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository