EgorBot for EgorBo in #112046

[EgorBot]

Processing dotnet/runtime#112046 (comment) command:

Command

-amd -arm -profiler

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Jobs;
using BenchmarkDotNet.Running;

[MemoryDiagnoser, DisassemblyDiagnoser, SimpleJob(RuntimeMoniker.Net80), SimpleJob(RuntimeMoniker.Net90)]
public class Benchmarks
{
    private const int Seed = 100;

    private static readonly int[] Chromosome = new int[59];
    private static readonly Random Random = new(Seed);

    public Benchmarks()
    {
        var genes = Enumerable.Range(1, 59).ToArray();
        Random.Shuffle(genes);
        genes.CopyTo(Chromosome.AsSpan());
    }

    [Benchmark]
    public int[] InversionMutation()
    {
        var idx1 = 0;
        var idx2 = 0;

        var chromosomeLength = Chromosome.Length;

        while (idx1 == idx2)
        {
            idx1 = Random.Next(chromosomeLength);
            idx2 = Random.Next(chromosomeLength);
        }

        if (idx1 > idx2)
        {
            (idx1, idx2) = (idx2, idx1);
        }

        Array.Reverse(Chromosome, idx1, idx2 - idx1 + 1);

        return Chromosome;
    }
}

(EgorBot will reply in this issue)

[EgorBot]

❌ Failed on AzureGenoa: Job failed, see logs.

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

[EgorBot]

Benchmark results on linux_azure_cobalt100

BenchmarkDotNet v0.14.0, Ubuntu 24.04.1 LTS (Noble Numbat)
azure_cobalt100
  Job-EYHPHW : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-ZUUAQD : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
.NET 8.0   : .NET 8.0.12 (8.0.1224.60305), Arm64 RyuJIT AdvSIMD
.NET 9.0   : .NET 9.0.1 (9.0.124.61010), Arm64 RyuJIT AdvSIMD

Method	Runtime	Mean	Error	Ratio	Code Size	Allocated	Alloc Ratio
InversionMutation	.NET 9.0	29.46 ns	0.011 ns	1.00	844 B	-	NA
InversionMutation	.NET 9.0	29.49 ns	0.006 ns	1.00	844 B	-	NA
InversionMutation	.NET 8.0	30.52 ns	0.003 ns	1.04	884 B	-	NA
InversionMutation	.NET 9.0	30.77 ns	0.008 ns	1.04	880 B	-	NA

BDN_Artifacts.zip

Profiling for Benchmarks_InversionMutation:

SVG flamegraph: Main vs PR 🔥
Speedscope flamegraph: Main vs PR
Hot asm code: Main vs PR
HW counters: Main vs PR

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