Benchmarks for dotnet/runtime#131325 (for @EgorBo)

[EgorBot]

Processing benchmark request from issue dotnet/runtime#131325.

Targets: ubuntu24_azure_turin, ubuntu24_azure_emeraldrapids
Commits: ``

• ubuntu24_azure_turin: live logs
• ubuntu24_azure_emeraldrapids: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 4.52GHz, 1 CPU, 4 logical and 2 physical cores
Memory: 15.61 GB Total, 12.39 GB Available
.NET SDK 11.0.100-preview.7.26366.102
  [Host]     : .NET 11.0.0 (11.0.0-preview.7.26366.102, 11.0.26.36702), X64 RyuJIT x86-64-v4
  DefaultJob : .NET 11.0.0 (11.0.0-preview.7.26366.102, 11.0.26.36702), X64 RyuJIT x86-64-v4

Job=DefaultJob  

Method	Length	Mean	Error	Ratio
Aligned64	100	3.301 ns	0.0651 ns	1.00
Aligned8	100	3.867 ns	0.0757 ns	1.17
Aligned64	1000	17.119 ns	0.0624 ns	1.00
Aligned8	1000	21.898 ns	0.0933 ns	1.28
Aligned64	5000	107.751 ns	0.2995 ns	1.00
Aligned8	5000	109.530 ns	0.2556 ns	1.02
Aligned64	10000	240.430 ns	2.0042 ns	1.00
Aligned8	10000	250.828 ns	0.2176 ns	1.04

Full logs

[EgorBot]

Results for ubuntu24_azure_emeraldrapids

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
INTEL XEON PLATINUM 8573C 2.30GHz, 1 CPU, 4 logical and 2 physical cores
Memory: 15.61 GB Total, 12.33 GB Available
.NET SDK 11.0.100-preview.7.26366.102
  [Host]     : .NET 11.0.0 (11.0.0-preview.7.26366.102, 11.0.26.36702), X64 RyuJIT x86-64-v4
  DefaultJob : .NET 11.0.0 (11.0.0-preview.7.26366.102, 11.0.26.36702), X64 RyuJIT x86-64-v4

Job=DefaultJob  

Method	Length	Mean	Error	Ratio
Aligned64	100	6.461 ns	0.0902 ns	1.00
Aligned8	100	6.601 ns	0.0844 ns	1.02
Aligned64	1000	23.408 ns	0.1775 ns	1.00
Aligned8	1000	25.144 ns	0.3638 ns	1.07
Aligned64	5000	110.913 ns	0.2645 ns	1.00
Aligned8	5000	109.812 ns	0.5986 ns	0.99
Aligned64	10000	203.908 ns	0.8119 ns	1.00
Aligned8	10000	212.133 ns	0.3131 ns	1.04

Full logs

[EgorBo]

@EgorBot -aws_amd -azure_milano -intel

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;

class Program
{
    static void Main(string[] args)
    {
        BenchmarkRunner.Run<DotBenchmarks>(args: args);
    }
}

public unsafe class DotBenchmarks
{
    [Params(100, 1000, 5000, 10000)]
    public int Length;

    private int* _aligned64;
    private int* _aligned8;

    [GlobalSetup]
    public void Setup()
    {
        _aligned64 = (int*)NativeMemory.AlignedAlloc(100000 * sizeof(int), 64);
        _aligned8 = (int*)((byte*)_aligned64 + 48);
        var rng = new Random(42);
        for (int i = 0; i < 100000; i++)
            _aligned64[i] = rng.Next();
    }

    [GlobalCleanup]
    public void Cleanup() => NativeMemory.AlignedFree(_aligned64);

    [Benchmark(Baseline = true)]
    public int Aligned64() => SumSafe(new Span<int>(_aligned64, Length));

    [Benchmark]
    public int Aligned8() => SumSafe(new Span<int>(_aligned8, Length));


    [MethodImpl(MethodImplOptions.NoInlining)]
    public static int SumSafe(Span<int> span)
    {
        int sum = 0;
        if (Vector512.IsHardwareAccelerated)
        {
            var acc512 = Vector512<int>.Zero;
            while (span.Length > Vector512<int>.Count)
            {
                acc512 += Vector512.Create(span);
                span = span.Slice(Vector512<int>.Count);
            }
            sum = Vector512.Sum(acc512);
        }
        foreach (int value in span)
            sum += value;
        return sum;
    }
}

[EgorBot]

Benchmark job submitted. The results will be posted here once they are ready.

• ubuntu24_aws_genoa: live logs
• ubuntu24_azure_milano: live logs
• ubuntu24_azure_emeraldrapids: live logs

[EgorBot]

ubuntu24_aws_genoa — Failed

@EgorBo

Agent failed with exit code 128

Job | Full logs

[EgorBo]

:( it assumed it is building against a PR

[EgorBot]

ubuntu24_azure_milano — Failed

@EgorBo

Cancelled by admin.

Job | Full logs