Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

EgorBot for xtqqczze in #108572 #116

Open
EgorBot opened this issue Oct 8, 2024 · 4 comments
Open

EgorBot for xtqqczze in #108572 #116

EgorBot opened this issue Oct 8, 2024 · 4 comments

Comments

@EgorBot
Copy link
Owner

EgorBot commented Oct 8, 2024

Processing dotnet/runtime#108572 (comment) command:

Command

-intel -arm64 -profiler

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

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

public class Benchmarks
{
    static bool[] _values = Enumerable.Range(0, 256).Select(i => i % 2 == 0).ToArray();
    static char[] _output = new char[4096];

    [Benchmark]
    public void WriteBools()
    {
        Span<char> output = _output;
        foreach (var value in _values)
        {
            if (value.TryFormat(output, out int written))
                output = output.Slice(written);
            else
                throw new InvalidOperationException();
        }

        Consume(output);
    }

    [MethodImpl(MethodImplOptions.NoInlining)]
    void Consume(Span<char> _){}
}

(EgorBot will reply in this issue)

@EgorBot
Copy link
Owner Author

EgorBot commented Oct 8, 2024

Benchmark results on AzureIntel

BenchmarkDotNet v0.14.0, Ubuntu 22.04.5 LTS (Jammy Jellyfish)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 8 logical and 4 physical cores
  Job-XZCFAY : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-KZPBRH : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
Method Toolchain Mean Error Ratio
WriteBools Main 338.5 ns 0.07 ns 1.00
WriteBools PR 228.3 ns 0.35 ns 0.67

BDN_Artifacts.zip

Profile for Benchmarks_WriteBools:

Flame graphs: Main vs PR 🔥
Speedscope: Main vs PR
Hot asm: Main vs PR
Hot functions: Main vs PR
Counters: Main vs PR

@EgorBot
Copy link
Owner Author

EgorBot commented Oct 8, 2024

cc @xtqqczze (logs)

@EgorBot
Copy link
Owner Author

EgorBot commented Oct 8, 2024

Benchmark results on AzureAmpere

BenchmarkDotNet v0.14.0, Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AzureAmpere
  Job-VSHCLS : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-XBLCCT : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
Method Toolchain Mean Error Ratio
WriteBools Main 604.1 ns 0.12 ns 1.00
WriteBools PR 531.0 ns 0.73 ns 0.88

BDN_Artifacts.zip

Profile for Benchmarks_WriteBools:

Flame graphs: Main vs PR 🔥
Speedscope: Main vs PR
Hot asm: Main vs PR
Hot functions: Main vs PR
Counters: Main vs PR

@EgorBot
Copy link
Owner Author

EgorBot commented Oct 8, 2024

cc @xtqqczze (logs)

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

1 participant