Optimization/cache precompiles

src/Nethermind/Nethermind.AccountAbstraction.Test/AccountAbstractionRpcModuleTests.cs

@@ -14,6 +14,7 @@
 using Nethermind.Blockchain.Contracts.Json;
 using Nethermind.Consensus;
 using Nethermind.Core;
+using Nethermind.Core.Collections;
 using Nethermind.Core.Crypto;
 using Nethermind.Core.Extensions;
 using Nethermind.Core.Test.Builders;
@@ -96,9 +97,10 @@ public Address GetAccountAddress(TestRpcBlockchain chain, Address entryPointAddr
                 .SignedAndResolved(TestItem.PrivateKeyA)
                 .TestObject;
 
-            Address accountAddress = new(Bytes.FromHexString(chain.EthRpcModule.eth_call(new TransactionForRpc(getAccountAddressTransaction)).Data).SliceWithZeroPaddingEmptyOnError(12, 20));
+            using ArrayPoolList<byte> data = Bytes.FromHexString(chain.EthRpcModule.eth_call(new TransactionForRpc(getAccountAddressTransaction)).Data)
+                .SliceWithZeroPaddingEmptyOnError(12, 20);
 
-            return accountAddress;
+            return new(data.ToArray());
         }
 
         public byte[] GetWalletConstructor(Address entryPointAddress)

src/Nethermind/Nethermind.Blockchain.Test.Runner/PerfTest.cs

@@ -22,7 +22,7 @@ public PerfStateTest(ITestSourceLoader testsSource)
         public IEnumerable<EthereumTestResult> RunTests()
         {
             List<EthereumTestResult> results = new List<EthereumTestResult>();
-            Console.WriteLine($"RUNNING tests");
+            Console.WriteLine("RUNNING tests");
             Stopwatch stopwatch = new Stopwatch();
             IEnumerable<GeneralStateTest> tests = (IEnumerable<GeneralStateTest>)_testsSource.LoadTests();
             bool isNewLine = true;

src/Nethermind/Nethermind.Consensus.AuRa/AuRaBlockProcessor.cs

@@ -45,7 +45,8 @@ public AuRaBlockProcessor(
             IAuRaValidator? auRaValidator,
             ITxFilter? txFilter = null,
             AuRaContractGasLimitOverride? gasLimitOverride = null,
-            ContractRewriter? contractRewriter = null)
+            ContractRewriter? contractRewriter = null,
+            IBlockCachePreWarmer? preWarmer = null)
             : base(
                 specProvider,
                 blockValidator,
@@ -55,7 +56,8 @@ public AuRaBlockProcessor(
                 receiptStorage,
                 new BlockhashStore(blockTree, specProvider, stateProvider),
                 logManager,
-                withdrawalProcessor)
+                withdrawalProcessor,
+                preWarmer: preWarmer)
         {
             _specProvider = specProvider;
             _blockTree = blockTree ?? throw new ArgumentNullException(nameof(blockTree));

src/Nethermind/Nethermind.Consensus.AuRa/InitializationSteps/InitializeBlockchainAuRa.cs

@@ -71,7 +71,7 @@ protected override async Task InitBlockchain()
         }
     }
 
-    protected override BlockProcessor CreateBlockProcessor()
+    protected override BlockProcessor CreateBlockProcessor(BlockCachePreWarmer? preWarmer)
     {
         if (_api.SpecProvider is null) throw new StepDependencyException(nameof(_api.SpecProvider));
         if (_api.ChainHeadStateProvider is null) throw new StepDependencyException(nameof(_api.ChainHeadStateProvider));
@@ -89,10 +89,10 @@ protected override BlockProcessor CreateBlockProcessor()
             _api,
             new ServiceTxFilter(_api.SpecProvider));
 
-        return NewAuraBlockProcessor(auRaTxFilter);
+        return NewAuraBlockProcessor(auRaTxFilter, preWarmer);
     }
 
-    protected virtual AuRaBlockProcessor NewAuraBlockProcessor(ITxFilter txFilter)
+    protected virtual AuRaBlockProcessor NewAuraBlockProcessor(ITxFilter txFilter, BlockCachePreWarmer? preWarmer)
     {
         IDictionary<long, IDictionary<Address, byte[]>> rewriteBytecode = _api.ChainSpec.AuRa.RewriteBytecode;
         ContractRewriter? contractRewriter = rewriteBytecode?.Count > 0 ? new ContractRewriter(rewriteBytecode) : null;
@@ -112,7 +112,8 @@ protected virtual AuRaBlockProcessor NewAuraBlockProcessor(ITxFilter txFilter)
             CreateAuRaValidator(),
             txFilter,
             GetGasLimitCalculator(),
-            contractRewriter
+            contractRewriter,
+            preWarmer: preWarmer
         );
     }
 

src/Nethermind/Nethermind.Consensus/Processing/BlockProcessor.cs

@@ -117,9 +117,9 @@ the previous head state.*/
                 }
 
                 using CancellationTokenSource cancellationTokenSource = new();
-                Task? preWarmTask = suggestedBlock.Transactions.Length < 3 ?
-                    null :
-                    _preWarmer?.PreWarmCaches(suggestedBlock, preBlockStateRoot!, cancellationTokenSource.Token);
+                Task? preWarmTask = suggestedBlock.Transactions.Length < 3
+                    ? null
+                    : _preWarmer?.PreWarmCaches(suggestedBlock, preBlockStateRoot!, cancellationTokenSource.Token);
                 (Block processedBlock, TxReceipt[] receipts) = ProcessOne(suggestedBlock, options, blockTracer);
                 cancellationTokenSource.Cancel();
                 preWarmTask?.GetAwaiter().GetResult();
@@ -160,9 +160,12 @@ the previous head state.*/
         {
             _logger.Trace($"Encountered exception {ex} while processing blocks.");
             RestoreBranch(previousBranchStateRoot);
-            _preWarmer?.ClearCaches();
             throw;
         }
+        finally
+        {
+            _preWarmer?.ClearCaches();
+        }
     }
 
     public event EventHandler<BlocksProcessingEventArgs>? BlocksProcessing;

src/Nethermind/Nethermind.Consensus/Processing/ReadOnlyTxProcessingEnv.cs

@@ -48,7 +48,7 @@ public ReadOnlyTxProcessingEnv(
             IWorldState? worldStateToWarmUp = null
             ) : base(worldStateManager, readOnlyBlockTree, specProvider, logManager, worldStateToWarmUp)
         {
-            CodeInfoRepository = new CodeInfoRepository();
+            CodeInfoRepository = new CodeInfoRepository((worldStateToWarmUp as IPreBlockCaches)?.Caches.PrecompileCache);
             Machine = new VirtualMachine(BlockhashProvider, specProvider, CodeInfoRepository, logManager);
             BlockTree = readOnlyBlockTree ?? throw new ArgumentNullException(nameof(readOnlyBlockTree));
             BlockhashProvider = new BlockhashProvider(BlockTree, specProvider, StateProvider, logManager);

src/Nethermind/Nethermind.Core/Extensions/ByteArrayExtensions.cs

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 
 using System;
+using Nethermind.Core.Collections;
 
 namespace Nethermind.Core.Extensions
 {
@@ -34,39 +35,37 @@ public static byte[] Slice(this byte[] bytes, int startIndex, int length)
         {
             if (length == 1)
             {
-                return new[] { bytes[startIndex] };
+                return [bytes[startIndex]];
             }
 
             byte[] slice = new byte[length];
             Buffer.BlockCopy(bytes, startIndex, slice, 0, length);
             return slice;
         }
 
-        public static byte[] SliceWithZeroPaddingEmptyOnError(this byte[] bytes, int startIndex, int length)
+        public static ArrayPoolList<byte> SliceWithZeroPaddingEmptyOnError(this byte[] bytes, int startIndex, int length)
         {
             int copiedFragmentLength = Math.Min(bytes.Length - startIndex, length);
             if (copiedFragmentLength <= 0)
             {
-                return Array.Empty<byte>();
+                return ArrayPoolList<byte>.Empty();
             }
 
-            byte[] slice = new byte[length];
-
-            Buffer.BlockCopy(bytes, startIndex, slice, 0, copiedFragmentLength);
+            ArrayPoolList<byte> slice = new(length, length);
+            bytes.Slice(startIndex, copiedFragmentLength).CopyTo(slice.AsSpan().Slice(0, copiedFragmentLength));
             return slice;
         }
 
-        public static byte[] SliceWithZeroPaddingEmptyOnError(this ReadOnlySpan<byte> bytes, int startIndex, int length)
+        public static ArrayPoolList<byte> SliceWithZeroPaddingEmptyOnError(this ReadOnlySpan<byte> bytes, int startIndex, int length)
         {
             int copiedFragmentLength = Math.Min(bytes.Length - startIndex, length);
             if (copiedFragmentLength <= 0)
             {
-                return Array.Empty<byte>();
+                return ArrayPoolList<byte>.Empty();
             }
 
-            byte[] slice = new byte[length];
-
-            bytes.Slice(startIndex, copiedFragmentLength).CopyTo(slice.AsSpan(0, copiedFragmentLength));
+            ArrayPoolList<byte> slice = new(length, length);
+            bytes.Slice(startIndex, copiedFragmentLength).CopyTo(slice.AsSpan().Slice(0, copiedFragmentLength));
             return slice;
         }
     }

src/Nethermind/Nethermind.Core/Extensions/Bytes.cs

@@ -194,6 +194,12 @@ public static int LeadingZerosCount(this Span<byte> bytes, int startIndex = 0)
             return nonZeroIndex < 0 ? bytes.Length - startIndex : nonZeroIndex;
         }
 
+        public static int LeadingZerosCount(this ReadOnlySpan<byte> bytes, int startIndex = 0)
+        {
+            int nonZeroIndex = bytes[startIndex..].IndexOfAnyExcept((byte)0);
+            return nonZeroIndex < 0 ? bytes.Length - startIndex : nonZeroIndex;
+        }
+
         public static int TrailingZerosCount(this byte[] bytes)
         {
             int lastIndex = bytes.AsSpan().LastIndexOfAnyExcept((byte)0);

src/Nethermind/Nethermind.Evm/CodeInfoRepository.cs

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
@@ -61,6 +62,7 @@ public bool TryGet(in ValueHash256 codeHash, [NotNullWhen(true)] out CodeInfo? c
 
     private static readonly FrozenDictionary<AddressAsKey, CodeInfo> _precompiles = InitializePrecompiledContracts();
     private static readonly CodeLruCache _codeCache = new();
+    private readonly FrozenDictionary<AddressAsKey, CodeInfo> _localPrecompiles;
 
     private static FrozenDictionary<AddressAsKey, CodeInfo> InitializePrecompiledContracts()
     {
@@ -92,11 +94,18 @@ private static FrozenDictionary<AddressAsKey, CodeInfo> InitializePrecompiledCon
         }.ToFrozenDictionary();
     }
 
+    public CodeInfoRepository(ConcurrentDictionary<PreBlockCaches.PrecompileCacheKey, (ReadOnlyMemory<byte>, bool)>? precompileCache = null)
+    {
+        _localPrecompiles = precompileCache is null
+            ? _precompiles
+            : _precompiles.ToFrozenDictionary(kvp => kvp.Key, kvp => CreateCachedPrecompile(kvp, precompileCache));
+    }
+
     public CodeInfo GetCachedCodeInfo(IWorldState worldState, Address codeSource, IReleaseSpec vmSpec)
     {
         if (codeSource.IsPrecompile(vmSpec))
         {
-            return _precompiles[codeSource];
+            return _localPrecompiles[codeSource];
         }
 
         CodeInfo? cachedCodeInfo = null;
@@ -158,4 +167,35 @@ public void InsertCode(IWorldState state, ReadOnlyMemory<byte> code, Address cod
         state.InsertCode(codeOwner, codeHash, code, spec);
         _codeCache.Set(codeHash, codeInfo);
     }
+
+    private CodeInfo CreateCachedPrecompile(
+        in KeyValuePair<AddressAsKey, CodeInfo> originalPrecompile,
+        ConcurrentDictionary<PreBlockCaches.PrecompileCacheKey, (ReadOnlyMemory<byte>, bool)> cache) =>
+        new(new CachedPrecompile(originalPrecompile.Key.Value, originalPrecompile.Value.Precompile!, cache));
+
+    private class CachedPrecompile(
+        Address address,
+        IPrecompile precompile,
+        ConcurrentDictionary<PreBlockCaches.PrecompileCacheKey, (ReadOnlyMemory<byte>, bool)> cache) : IPrecompile
+    {
+        public static Address Address => Address.Zero;
+
+        public long BaseGasCost(IReleaseSpec releaseSpec) => precompile.BaseGasCost(releaseSpec);
+
+        public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec) => precompile.DataGasCost(inputData, releaseSpec);
+
+        public (ReadOnlyMemory<byte>, bool) Run(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec)
+        {
+            PreBlockCaches.PrecompileCacheKey key = new(address, inputData);
+            if (!cache.TryGetValue(key, out (ReadOnlyMemory<byte>, bool) result))
+            {
+                result = precompile.Run(inputData, releaseSpec);
+                // we need to rebuild the key with data copy as the data can be changed by VM processing
+                key = new PreBlockCaches.PrecompileCacheKey(address, inputData.ToArray());
+                cache.TryAdd(key, result);
+            }
+
+            return result;
+        }
+    }
 }

src/Nethermind/Nethermind.Evm/Precompiles/Blake2FPrecompile.cs

@@ -43,13 +43,13 @@ public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseS
         {
             if (inputData.Length != RequiredInputLength)
             {
-                return (Array.Empty<byte>(), false);
+                return IPrecompile.Failure;
             }
 
             byte finalByte = inputData.Span[212];
             if (finalByte != 0 && finalByte != 1)
             {
-                return (Array.Empty<byte>(), false);
+                return IPrecompile.Failure;
             }
 
             byte[] result = new byte[64];

src/Nethermind/Nethermind.Evm/Precompiles/Bls/G1AddPrecompile.cs

@@ -21,37 +21,20 @@ private G1AddPrecompile()
 
     public static Address Address { get; } = Address.FromNumber(0x0b);
 
-    public long BaseGasCost(IReleaseSpec releaseSpec)
-    {
-        return 500L;
-    }
+    public long BaseGasCost(IReleaseSpec releaseSpec) => 500L;
 
-    public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec)
-    {
-        return 0L;
-    }
+    public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec) => 0L;
 
     public (ReadOnlyMemory<byte>, bool) Run(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec)
     {
         const int expectedInputLength = 4 * BlsParams.LenFp;
         if (inputData.Length != expectedInputLength)
         {
-            return (Array.Empty<byte>(), false);
+            return IPrecompile.Failure;
         }
 
-        (byte[], bool) result;
-
         Span<byte> output = stackalloc byte[2 * BlsParams.LenFp];
         bool success = Pairings.BlsG1Add(inputData.Span, output);
-        if (success)
-        {
-            result = (output.ToArray(), true);
-        }
-        else
-        {
-            result = (Array.Empty<byte>(), false);
-        }
-
-        return result;
+        return success ? (output.ToArray(), true) : IPrecompile.Failure;
     }
 }

src/Nethermind/Nethermind.Evm/Precompiles/Bls/G1MulPrecompile.cs

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 
 using System;
+using System.Runtime.CompilerServices;
 using Nethermind.Core;
 using Nethermind.Core.Specs;
 using Nethermind.Crypto;
@@ -21,39 +22,23 @@ private G1MulPrecompile()
 
     public static Address Address { get; } = Address.FromNumber(0x0c);
 
-    public long BaseGasCost(IReleaseSpec releaseSpec)
-    {
-        return 12000L;
-    }
+    public long BaseGasCost(IReleaseSpec releaseSpec) => 12000L;
 
-    public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec)
-    {
-        return 0L;
-    }
+    public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec) => 0L;
 
+    [SkipLocalsInit]
     public (ReadOnlyMemory<byte>, bool) Run(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec)
     {
         const int expectedInputLength = 2 * BlsParams.LenFp + BlsParams.LenFr;
         if (inputData.Length != expectedInputLength)
         {
-            return (Array.Empty<byte>(), false);
+            return IPrecompile.Failure;
         }
 
-        (byte[], bool) result;
-
         Span<byte> output = stackalloc byte[2 * BlsParams.LenFp];
         bool success = SubgroupChecks.G1IsInSubGroup(inputData.Span[..(2 * BlsParams.LenFp)])
             && Pairings.BlsG1Mul(inputData.Span, output);
 
-        if (success)
-        {
-            result = (output.ToArray(), true);
-        }
-        else
-        {
-            result = (Array.Empty<byte>(), false);
-        }
-
-        return result;
+        return success ? (output.ToArray(), true) : IPrecompile.Failure;
     }
 }