Benchmarks for dotnet/runtime#134160 (for @EgorBo)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#134160.

Targets: macos15_helix_arm64, ubuntu24_azure_cobalt100, ubuntu24_azure_turin
Commits: main;PR_134160

• macos15_helix_arm64: live logs
• ubuntu24_azure_cobalt100: live logs
• ubuntu24_azure_turin: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for macos15_helix_arm64

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, macOS Sequoia 15.7 (24G222) [Darwin 24.6.0]
Apple M1, 1 CPU, 8 logical and 8 physical cores
Memory: 8 GB Total, 1.49 GB Available
.NET SDK 11.0.100-rc.2.26467.104
  [Host]     : .NET 11.0.0 (11.0.0-rc.2.26467.104, 11.0.26.46804), Arm64 RyuJIT armv8.0-a

EnvironmentVariables=DOTNET_JitDisasm=Copy  

Method	Toolchain	Length	Mean	Error	Ratio
Copy	main**	2	2.834 ns	0.0009 ns	2.58
Copy	PR #134160	2	1.100 ns	0.0009 ns	1.00
Copy	main**	5	2.208 ns	0.0005 ns	1.83
Copy	PR #134160	5	1.204 ns	0.0003 ns	1.00
Copy	main**	16	2.189 ns	0.0014 ns	1.86
Copy	PR #134160	16	1.178 ns	0.0007 ns	1.00
Copy	main**	20	2.525 ns	0.0083 ns	1.92
Copy	PR #134160	20	1.313 ns	0.0008 ns	1.00
Copy	main**	32	2.541 ns	0.0015 ns	1.75
Copy	PR #134160	32	1.449 ns	0.0004 ns	1.00
Copy	main**	50	2.980 ns	0.0012 ns	0.95
Copy	PR #134160	50	3.147 ns	0.0020 ns	1.00
Copy	main**	64	3.334 ns	0.0009 ns	0.97
Copy	PR #134160	64	3.421 ns	0.0009 ns	1.00

Full logs

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.34 GB Total, 10.4 GB Available
.NET SDK 11.0.100-rc.2.26467.104
  [Host]     : .NET 11.0.0 (11.0.0-rc.2.26467.104, 11.0.26.46804), X64 RyuJIT x86-64-v4

EnvironmentVariables=DOTNET_JitDisasm=Copy  

Method	Toolchain	Length	Mean	Error	Ratio
Copy	main**	2	2.3403 ns	0.0452 ns	2.51
Copy	PR #134160	2	0.9308 ns	0.0056 ns	1.00
Copy	main**	5	2.0918 ns	0.0413 ns	1.85
Copy	PR #134160	5	1.1302 ns	0.0035 ns	1.00
Copy	main**	16	1.8458 ns	0.0262 ns	1.04
Copy	PR #134160	16	1.7705 ns	0.0329 ns	1.00
Copy	main**	20	1.8741 ns	0.0125 ns	1.64
Copy	PR #134160	20	1.1409 ns	0.0109 ns	1.00
Copy	main**	32	2.0501 ns	0.0327 ns	2.10
Copy	PR #134160	32	0.9777 ns	0.0017 ns	1.00
Copy	main**	50	2.3507 ns	0.0085 ns	2.00
Copy	PR #134160	50	1.1746 ns	0.0053 ns	1.00
Copy	main**	64	2.4575 ns	0.0484 ns	1.89
Copy	PR #134160	64	1.2996 ns	0.0044 ns	1.00

Full logs

[EgorBot]

Results for ubuntu24_azure_cobalt100

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
Neoverse-N2, 8 physical cores
Memory: 31.27 GB Total, 9.97 GB Available
.NET SDK 11.0.100-rc.2.26467.104
  [Host]     : .NET 11.0.0 (11.0.0-rc.2.26467.104, 11.0.26.46804), Arm64 RyuJIT armv8.0-a

EnvironmentVariables=DOTNET_JitDisasm=Copy  

Method	Toolchain	Length	Mean	Error	Ratio
Copy	main**	2	3.045 ns	0.0020 ns	2.05
Copy	PR #134160	2	1.489 ns	0.0002 ns	1.00
Copy	main**	5	2.947 ns	0.0002 ns	1.74
Copy	PR #134160	5	1.696 ns	0.0262 ns	1.00
Copy	main**	16	2.947 ns	0.0004 ns	1.77
Copy	PR #134160	16	1.668 ns	0.0002 ns	1.00
Copy	main**	20	3.123 ns	0.0035 ns	1.59
Copy	PR #134160	20	1.961 ns	0.0001 ns	1.00
Copy	main**	32	3.268 ns	0.0024 ns	1.51
Copy	PR #134160	32	2.158 ns	0.0002 ns	1.00
Copy	main**	50	4.018 ns	0.0030 ns	1.00
Copy	PR #134160	50	4.023 ns	0.0041 ns	1.00
Copy	main**	64	4.220 ns	0.0019 ns	0.99
Copy	PR #134160	64	4.276 ns	0.0013 ns	1.00

Full logs

[EgorBo]

@EgorBot -macos_arm -linux_amd --envvars DOTNET_JitDisasm:Bytes

using System;
using BenchmarkDotNet.Attributes;

public class Bench {
    private string _str1 = null!;
    private string _str2 = null!;
    private byte[] _bytes1 = null!;
    private byte[] _bytes2 = null!;

    [Params(2, 5, 16, 20, 32, 50, 64)]
    public int Length { get; set; }

    [GlobalSetup]
    public void Setup() {
        _str1 = new string('x', Length);
        _str2 = new string('x', Length);
        _bytes1 = new byte[Length];
        _bytes2 = new byte[Length];
    }

    [Benchmark]
    public void Strings() => _str1.AsSpan().SequenceEqual(_str2);

    [Benchmark]
    public void Bytes() => _bytes1.AsSpan().SequenceEqual(_bytes2);
}

[EgorBot]

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

• macos15_helix_arm64: live logs
• ubuntu24_azure_turin: live logs

[EgorBot]

Results for macos15_helix_arm64

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, macOS Sequoia 15.7 (24G222) [Darwin 24.6.0]
Apple M1, 1 CPU, 8 logical and 8 physical cores
Memory: 8 GB Total, 0.96 GB Available
.NET SDK 11.0.100-rc.2.26467.112
  [Host]     : .NET 11.0.0 (11.0.0-rc.2.26467.112, 11.0.26.46812), Arm64 RyuJIT armv8.0-a

EnvironmentVariables=DOTNET_JitDisasm=Bytes  

Method	Toolchain	Length	Mean	Error	Ratio
Strings	main**	2	1.376 ns	0.0104 ns	1.00
Strings	PR #134160	2	1.374 ns	0.0012 ns	1.00
Bytes	main	2	1.569 ns	0.0094 ns	1.00
Bytes	PR #134160	2	1.565 ns	0.0011 ns	1.00
Strings	main**	5	1.454 ns	0.0059 ns	1.00
Strings	PR #134160	5	1.458 ns	0.0127 ns	1.00
Bytes	main	5	1.374 ns	0.0014 ns	1.00
Bytes	PR #134160	5	1.374 ns	0.0012 ns	1.00
Strings	main**	16	1.878 ns	0.0028 ns	1.00
Strings	PR #134160	16	1.878 ns	0.0026 ns	1.00
Bytes	main	16	1.565 ns	0.0012 ns	1.00
Bytes	PR #134160	16	1.568 ns	0.0067 ns	1.00
Strings	main**	20	2.274 ns	0.0025 ns	1.00
Strings	PR #134160	20	2.274 ns	0.0026 ns	1.00
Bytes	main	20	1.877 ns	0.0025 ns	1.00
Bytes	PR #134160	20	1.877 ns	0.0025 ns	1.00
Strings	main**	32	2.836 ns	0.0024 ns	1.00
Strings	PR #134160	32	2.841 ns	0.0199 ns	1.00
Bytes	main	32	1.877 ns	0.0023 ns	1.00
Bytes	PR #134160	32	1.878 ns	0.0017 ns	1.00
Strings	main**	50	4.071 ns	0.0048 ns	1.00
Strings	PR #134160	50	4.071 ns	0.0043 ns	1.00
Bytes	main	50	2.837 ns	0.0029 ns	1.00
Bytes	PR #134160	50	2.836 ns	0.0026 ns	1.00
Strings	main**	64	4.464 ns	0.0038 ns	1.00
Strings	PR #134160	64	4.465 ns	0.0034 ns	1.00
Bytes	main	64	2.836 ns	0.0021 ns	1.00
Bytes	PR #134160	64	2.838 ns	0.0032 ns	1.00

Full logs

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.34 GB Total, 10.42 GB Available
.NET SDK 11.0.100-rc.2.26467.112
  [Host]     : .NET 11.0.0 (11.0.0-rc.2.26467.112, 11.0.26.46812), X64 RyuJIT x86-64-v4

EnvironmentVariables=DOTNET_JitDisasm=Bytes  

Method	Toolchain	Length	Mean	Error	Ratio
Strings	main**	2	1.218 ns	0.0176 ns	1.03
Strings	PR #134160	2	1.182 ns	0.0050 ns	1.00
Bytes	main	2	1.184 ns	0.0050 ns	0.99
Bytes	PR #134160	2	1.193 ns	0.0034 ns	1.00
Strings	main**	5	1.421 ns	0.0078 ns	0.98
Strings	PR #134160	5	1.443 ns	0.0220 ns	1.00
Bytes	main	5	1.214 ns	0.0080 ns	1.02
Bytes	PR #134160	5	1.195 ns	0.0060 ns	1.00
Strings	main**	16	1.371 ns	0.0037 ns	1.16
Strings	PR #134160	16	1.180 ns	0.0042 ns	1.00
Bytes	main	16	1.402 ns	0.0058 ns	0.99
Bytes	PR #134160	16	1.415 ns	0.0117 ns	1.00
Strings	main**	20	1.416 ns	0.0048 ns	0.99
Strings	PR #134160	20	1.424 ns	0.0055 ns	1.00
Bytes	main	20	1.667 ns	0.0103 ns	1.01
Bytes	PR #134160	20	1.653 ns	0.0028 ns	1.00
Strings	main**	32	1.196 ns	0.0018 ns	1.01
Strings	PR #134160	32	1.178 ns	0.0029 ns	1.00
Bytes	main	32	1.194 ns	0.0045 ns	1.01
Bytes	PR #134160	32	1.178 ns	0.0041 ns	1.00
Strings	main**	50	1.571 ns	0.0037 ns	1.00
Strings	PR #134160	50	1.572 ns	0.0036 ns	1.00
Bytes	main	50	1.405 ns	0.0062 ns	0.99
Bytes	PR #134160	50	1.413 ns	0.0027 ns	1.00
Strings	main**	64	1.574 ns	0.0055 ns	1.01
Strings	PR #134160	64	1.561 ns	0.0142 ns	1.00
Bytes	main	64	1.192 ns	0.0043 ns	1.01
Bytes	PR #134160	64	1.184 ns	0.0155 ns	1.00

Full logs