EgorBot for EgorBo in #108575

EgorBot commented 1 month ago

Processing https://github.com/dotnet/runtime/pull/108575#issuecomment-2395130422 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 _){} } ```

(EgorBot will reply in this issue)

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-NZUZYL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-BUNWLF : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio
WriteBools	Main	338.4 ns	0.31 ns	1.00
WriteBools	PR	264.3 ns	0.18 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-RKACIT : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-QLQBEK : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD

Method	Toolchain	Mean	Error	Ratio
WriteBools	Main	603.7 ns	0.06 ns	1.00
WriteBools	PR	477.2 ns	0.15 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)

EgorBot / runtime-utils