EgorBot / runtime-utils

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EgorBot for EgorBo in #108575 #109

Open EgorBot opened 1 month ago

EgorBot commented 1 month ago

Processing https://github.com/dotnet/runtime/pull/108575#issuecomment-2395151971 command:

Command -intel -arm64 -profiler ```cs 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 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 _){} } ```

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EgorBot commented 1 month ago

Benchmark results on AzureIntel

BenchmarkDotNet v0.14.0, Ubuntu 22.04.5 LTS (Jammy Jellyfish)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 16 logical and 8 physical cores
  Job-ODGVCR : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-HRFNBR : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
Method Toolchain Mean Error Ratio
WriteBools Main 338.3 ns 0.03 ns 1.00
WriteBools PR 264.4 ns 0.33 ns 0.78

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 commented 1 month ago

cc @EgorBo (logs)

EgorBot commented 1 month ago

Benchmark results on AzureAmpere

BenchmarkDotNet v0.14.0, Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AzureAmpere
  Job-WTGWNC : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-QDANUR : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
Method Toolchain Mean Error Ratio
WriteBools Main 605.1 ns 0.19 ns 1.00
WriteBools PR 476.9 ns 0.04 ns 0.79

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 commented 1 month ago

cc @EgorBo (logs)