Benchmarks for #113715 (AaronRobinsonMSFT)

[EgorBot]

Processing dotnet/runtime#113715 (comment) command:

Command

-intel -arm

using System;
using System.Reflection;
using System.Runtime.CompilerServices;

using BenchmarkDotNet.Attributes;

public unsafe class Bench
{
    private F _f;
    private byte[] _source;
    private byte[] _dest;
    private delegate* <ref byte, ref byte, nuint, void> _method;

    class F
    {
        ~F() { }
    }

    public Bench()
    {
        _f = new F();
        _source = new byte[10 * 1024];
        _dest = new byte[_source.Length];
        Random random = new Random();
        random.NextBytes(_source);

        var method = typeof(Buffer).GetMethod("BulkMoveWithWriteBarrier", BindingFlags.NonPublic | BindingFlags.Static)!;
        _method = (delegate* <ref byte, ref byte, nuint, void>)method.MethodHandle.GetFunctionPointer();
    }

    [Benchmark]
    public void BenchmarkBulkMoveWithWriteBarrier()
    {
        _method(ref _dest[0], ref _source[0], (nuint)_dest.Length);
    }

    [Benchmark]
    public void BenchmarkSuppressFinalize()
    {
        GC.SuppressFinalize(_f);
    }
}

(EgorBot will reply in this issue)

[EgorBot]

❌ Failed on AzureCobalt100: Job failed, see logs.

cc @AaronRobinsonMSFT (logs). EgorBot manual: link.

[EgorBo]

@AaronRobinsonMSFT ugh. not sure why this compilation bug appears only in your PRs, must be something to do when "diff" changes in the VM code, I'm looking now

[EgorBot]

❌ Failed on AzureCascadeLake: Job failed, see logs.

cc @AaronRobinsonMSFT (logs). EgorBot manual: link.

[EgorBo]

@EgorBot -ubuntu2404_amd -ubuntu2204_amd -pr 113715

using System;
using System.Reflection;
using System.Runtime.CompilerServices;

using BenchmarkDotNet.Attributes;

public unsafe class Bench
{
    private F _f;
    private byte[] _source;
    private byte[] _dest;
    private delegate* <ref byte, ref byte, nuint, void> _method;

    class F
    {
        ~F() { }
    }

    public Bench()
    {
        _f = new F();
        _source = new byte[10 * 1024];
        _dest = new byte[_source.Length];
        Random random = new Random();
        random.NextBytes(_source);

        var method = typeof(Buffer).GetMethod("BulkMoveWithWriteBarrier", BindingFlags.NonPublic | BindingFlags.Static)!;
        _method = (delegate* <ref byte, ref byte, nuint, void>)method.MethodHandle.GetFunctionPointer();
    }

    [Benchmark]
    public void BenchmarkBulkMoveWithWriteBarrier()
    {
        _method(ref _dest[0], ref _source[0], (nuint)_dest.Length);
    }

    [Benchmark]
    public void BenchmarkSuppressFinalize()
    {
        GC.SuppressFinalize(_f);
    }
}

[EgorBot]

Benchmark results on linux_azure_genoa

BenchmarkDotNet v0.14.0, Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 16 logical and 8 physical cores
  Job-RXGAUJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-JGPATU : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio
BenchmarkBulkMoveWithWriteBarrier	Main	173.597 ns	0.0382 ns	1.00
BenchmarkBulkMoveWithWriteBarrier	PR	183.458 ns	0.0101 ns	1.06
BenchmarkSuppressFinalize	Main	1.635 ns	0.0003 ns	1.00
BenchmarkSuppressFinalize	PR	2.761 ns	0.0028 ns	1.69

BDN_Artifacts.zip

cc @EgorBo (agent_logs.txt). EgorBot manual: link.

[EgorBot]

Benchmark results on linux_azure_genoa

BenchmarkDotNet v0.14.0, Ubuntu 24.04.2 LTS (Noble Numbat)
AMD EPYC 9V74, 1 CPU, 16 logical and 8 physical cores
  Job-GJNTGZ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-LHPAMQ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio
BenchmarkBulkMoveWithWriteBarrier	Main	172.544 ns	0.1551 ns	1.00
BenchmarkBulkMoveWithWriteBarrier	PR	172.662 ns	0.0333 ns	1.00
BenchmarkSuppressFinalize	Main	1.907 ns	0.0002 ns	1.00
BenchmarkSuppressFinalize	PR	2.776 ns	0.0038 ns	1.46

BDN_Artifacts.zip

cc @EgorBo (agent_logs.txt). EgorBot manual: link.