Benchmarks for dotnet/runtime#127846 (for @EgorBo)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#127846.

Targets: macos15_helix_arm64, ubuntu24_azure_turin
Commits: main;PR_127846

• macos15_helix_arm64: live logs
• ubuntu24_azure_turin: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 11.0.100-preview.5.26255.106
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v4

Method	Toolchain	Length	Mean	Error	Ratio
Construct	PR #127846**	64	7.414 ns	0.1259 ns	1.00
Construct	main	64	7.177 ns	0.0922 ns	0.97
Construct	PR #127846**	256	8.442 ns	0.1581 ns	1.00
Construct	main	256	8.379 ns	0.1964 ns	0.99
Construct	PR #127846**	1024	13.936 ns	0.1350 ns	1.00
Construct	main	1024	13.809 ns	0.2440 ns	0.99
Construct	PR #127846**	16384	174.247 ns	3.2171 ns	1.00
Construct	main	16384	160.055 ns	3.1927 ns	0.92

Full logs

[EgorBot]

Results for macos15_helix_arm64

@EgorBo

BenchmarkDotNet v0.15.8, macOS Sequoia 15.7.5 (24G624) [Darwin 24.6.0]
Apple M4, 1 CPU, 10 logical and 10 physical cores
.NET SDK 11.0.100-preview.5.26255.106
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Length	Mean	Error	Ratio
Construct	PR #127846**	64	6.968 ns	0.0432 ns	1.00
Construct	main	64	6.979 ns	0.0537 ns	1.00
Construct	PR #127846**	256	12.232 ns	0.0198 ns	1.00
Construct	main	256	12.511 ns	0.0205 ns	1.02
Construct	PR #127846**	1024	37.631 ns	0.0354 ns	1.00
Construct	main	1024	37.640 ns	0.0296 ns	1.00
Construct	PR #127846**	16384	617.125 ns	0.8606 ns	1.00
Construct	main	16384	614.906 ns	1.3017 ns	1.00

Full logs

[EgorBo]

@EgorBot -amd -aws_amd -profiler

using System;
using System.Collections;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;

BenchmarkSwitcher.FromAssembly(typeof(Bench).Assembly).Run(args);

public class Bench
{
    private bool[] _values = default!;

    [Params(64, 256, 1024, 16384)]
    public int Length { get; set; }

    [GlobalSetup]
    public void Setup()
    {
        var rng = new Random(42);
        _values = new bool[Length];
        for (int i = 0; i < Length; i++)
            _values[i] = rng.Next(2) == 0;
    }

    [Benchmark]
    public BitArray Construct() => new BitArray(_values);
}

[EgorBot]

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

• ubuntu24_azure_turin: live logs
• ubuntu24_aws_genoa: live logs

[EgorBot]

Results for ubuntu24_aws_genoa

@EgorBo

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
AMD EPYC 9R14 2.60GHz, 1 CPU, 8 logical and 8 physical cores
.NET SDK 11.0.100-preview.5.26255.106
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v4

Method	Toolchain	Length	Mean	Error	Ratio
Construct	PR #127846**	64	11.04 ns	0.158 ns	1.00
Construct	main	64	10.97 ns	0.131 ns	0.99
Construct	PR #127846**	256	13.79 ns	0.156 ns	1.00
Construct	main	256	12.97 ns	0.143 ns	0.94
Construct	PR #127846**	1024	22.08 ns	0.017 ns	1.00
Construct	main	1024	21.77 ns	0.089 ns	0.99
Construct	PR #127846**	16384	288.30 ns	1.438 ns	1.00
Construct	main	16384	260.12 ns	1.915 ns	0.90

Profiling artifacts

Bench.Construct:

	main	PR_127846
flamegraph	link	link
functions	link	link
asm	link	link
stats	link	link
speedscope	link	link

Full logs

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 11.0.100-preview.5.26255.106
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v4

Method	Toolchain	Length	Mean	Error	Ratio
Construct	PR #127846**	64	7.924 ns	0.1862 ns	1.00
Construct	main	64	7.532 ns	0.1934 ns	0.95
Construct	PR #127846**	256	8.665 ns	0.2155 ns	1.00
Construct	main	256	8.436 ns	0.2045 ns	0.97
Construct	PR #127846**	1024	14.109 ns	0.3234 ns	1.00
Construct	main	1024	14.115 ns	0.3132 ns	1.00
Construct	PR #127846**	16384	172.572 ns	3.4448 ns	1.00
Construct	main	16384	164.348 ns	3.1325 ns	0.95

Profiling artifacts

Bench.Construct:

	main	PR_127846
flamegraph	link	link
functions	link	link
asm	link	link
stats	link	link
speedscope	link	link

Full logs