Bal devnet 6

.github/workflows/nethermind-tests-checked.yml

@@ -20,7 +20,7 @@ defaults:
 
 jobs:
   tests:
-    name: Run ${{ matrix.project }} (${{ matrix.variant.label }})
+    name: Run ${{ matrix.project }} [${{ matrix.variant.label }}]
     runs-on: ubuntu-latest
     timeout-minutes: 15
     strategy:
@@ -115,7 +115,7 @@ jobs:
             ${{ matrix.variant.dotnet-args }}
 
   tests-chunked:
-    name: Run ${{ matrix.test.project }} (${{ matrix.test.chunk }}, ${{ matrix.variant.label }})
+    name: Run ${{ matrix.test.project }} (${{ matrix.test.chunk }}) [${{ matrix.variant.label }}]
     runs-on: ubuntu-latest
     timeout-minutes: 20
     strategy:

.github/workflows/nethermind-tests.yml

@@ -213,7 +213,7 @@ jobs:
           retention-days: 1
 
   tests-chunked:
-    name: Run ${{ matrix.test.project }} (${{ matrix.test.chunk }}) (${{ matrix.runner }})
+    name: Run ${{ matrix.test.project }}${{ matrix.test.label && format(' [{0}]', matrix.test.label) || '' }} (${{ matrix.test.chunk }}) (${{ matrix.runner }})
     runs-on: ${{ matrix.runner }}
     timeout-minutes: 20
     strategy:
@@ -233,10 +233,23 @@ jobs:
           - { project: Ethereum.Legacy.Blockchain.Test, chunk: 6of8 }
           - { project: Ethereum.Legacy.Blockchain.Test, chunk: 7of8 }
           - { project: Ethereum.Legacy.Blockchain.Test, chunk: 8of8 }
-          - { project: Ethereum.Blockchain.Pyspec.Test, chunk: 1of4 }
-          - { project: Ethereum.Blockchain.Pyspec.Test, chunk: 2of4 }
-          - { project: Ethereum.Blockchain.Pyspec.Test, chunk: 3of4 }
-          - { project: Ethereum.Blockchain.Pyspec.Test, chunk: 4of4 }
+        include:
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 1of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 2of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 3of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 4of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 5of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 6of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 7of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 8of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 9of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 10of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 11of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 12of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 13of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 14of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 15of16, label: Sequential } }
+          - { runner: ubuntu-latest, test: { project: Ethereum.Blockchain.Pyspec.Test, chunk: 16of16, label: Sequential } }
     steps:
       - name: Enable long paths (Windows)
         if: runner.os == 'Windows'

src/Nethermind/Directory.Build.props

@@ -26,4 +26,8 @@
     <ProjectReference Include="$(MSBuildThisFileDirectory)Nethermind.Analyzers/Nethermind.Analyzers.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
   </ItemGroup>
 
+  <ItemGroup Condition="!$(TargetFramework.StartsWith('netstandard'))">
+    <Using Include="System.Runtime.Intrinsics.Vector256&lt;byte&gt;" Alias="EvmWord" />
+  </ItemGroup>
+
 </Project>

src/Nethermind/Ethereum.Basic.Test/TestChunkFilterTests.cs

@@ -0,0 +1,52 @@
+// SPDX-FileCopyrightText: 2026 Demerzel Solutions Limited
+// SPDX-License-Identifier: LGPL-3.0-only
+
+using System;
+using System.Collections.Generic;
+using Ethereum.Test.Base;
+using NUnit.Framework;
+
+namespace Ethereum.Basic.Test;
+
+[NonParallelizable]
+public class TestChunkFilterTests
+{
+    private string _testChunk;
+
+    [SetUp]
+    public void SetUp() =>
+        _testChunk = Environment.GetEnvironmentVariable("TEST_CHUNK");
+
+    [TearDown]
+    public void TearDown() =>
+        Environment.SetEnvironmentVariable("TEST_CHUNK", _testChunk);
+
+    [Test]
+    public void FilterByChunk_IsLazy()
+    {
+        Environment.SetEnvironmentVariable("TEST_CHUNK", "2of3");
+        int enumeratedCount = 0;
+
+        IEnumerable<int> filtered = TestChunkFilter.FilterByChunk(CountedRange(9, () => enumeratedCount++));
+
+        Assert.That(enumeratedCount, Is.Zero);
+
+        List<int> result = [];
+        foreach (int value in filtered)
+        {
+            result.Add(value);
+        }
+
+        Assert.That(result, Is.EqualTo(new[] { 1, 4, 7 }));
+        Assert.That(enumeratedCount, Is.EqualTo(9));
+    }
+
+    private static IEnumerable<int> CountedRange(int count, Action onEnumerated)
+    {
+        for (int i = 0; i < count; i++)
+        {
+            onEnumerated();
+            yield return i;
+        }
+    }
+}