Benchmarks for #123593 (Copilot)

[EgorBot]

Processing dotnet/runtime#123593 (comment) command:

Command

-x64 -arm

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;

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

[MemoryDiagnoser]
public class Bench
{
    private string _idnUrl = default!;
    private string _aceUrl = default!;
    private string _asciiUrl = default!;

    [GlobalSetup]
    public void Setup()
    {
        // IDN URL with non-ASCII characters that require punycode conversion
        _idnUrl = "https://例え.jp/path?query=value";
        // Already encoded ACE URL (xn-- prefix)
        _aceUrl = "https://xn--r8jz45g.jp/path?query=value";
        // Plain ASCII URL
        _asciiUrl = "https://example.com/path?query=value";
    }

    [Benchmark]
    public Uri ParseIdnUrl() => new Uri(_idnUrl);

    [Benchmark]
    public Uri ParseAceUrl() => new Uri(_aceUrl);

    [Benchmark]
    public Uri ParseAsciiUrl() => new Uri(_asciiUrl);

    [Benchmark]
    public string IdnHost() => new Uri(_idnUrl).IdnHost;

    [Benchmark]
    public string AceHost() => new Uri(_aceUrl).IdnHost;
}

(EgorBot will reply in this issue)

[EgorBot]

Benchmark results on linux_azure_genoa

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-HJIJQV : .NET 11.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-YXTKUO : .NET 11.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio	Gen0	Allocated	Alloc Ratio
ParseIdnUrl	Main	283.75 ns	0.311 ns	1.00	0.0191	320 B	1.00
ParseIdnUrl	PR	264.21 ns	0.218 ns	0.93	0.0191	320 B	1.00
ParseAceUrl	Main	57.08 ns	0.071 ns	1.00	0.0033	56 B	1.00
ParseAceUrl	PR	56.72 ns	0.090 ns	0.99	0.0033	56 B	1.00
ParseAsciiUrl	Main	52.88 ns	0.204 ns	1.00	0.0033	56 B	1.00
ParseAsciiUrl	PR	54.71 ns	0.021 ns	1.03	0.0033	56 B	1.00
IdnHost	Main	703.31 ns	1.114 ns	1.00	0.0238	408 B	1.00
IdnHost	PR	704.06 ns	2.391 ns	1.00	0.0238	408 B	1.00
AceHost	Main	105.19 ns	0.131 ns	1.00	0.0119	200 B	1.00
AceHost	PR	104.86 ns	0.115 ns	1.00	0.0119	200 B	1.00

Artifacts.zip

cc @Copilot (agent_logs.txt). EgorBot manual: link.

[EgorBot]

Benchmark results on linux_azure_cobalt100

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
Neoverse-N2, 8 physical cores
  Job-ECGYBB : .NET 11.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-FAFFGR : .NET 11.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD

Method	Toolchain	Mean	Error	Ratio	Gen0	Allocated	Alloc Ratio
ParseIdnUrl	Main	347.61 ns	0.461 ns	1.00	0.0048	320 B	1.00
ParseIdnUrl	PR	341.51 ns	0.109 ns	0.98	0.0048	320 B	1.00
ParseAceUrl	Main	87.56 ns	0.085 ns	1.00	0.0008	56 B	1.00
ParseAceUrl	PR	87.22 ns	0.044 ns	1.00	0.0008	56 B	1.00
ParseAsciiUrl	Main	77.93 ns	0.060 ns	1.00	0.0008	56 B	1.00
ParseAsciiUrl	PR	77.13 ns	0.098 ns	0.99	0.0008	56 B	1.00
IdnHost	Main	755.90 ns	0.495 ns	1.00	0.0057	408 B	1.00
IdnHost	PR	765.37 ns	0.633 ns	1.01	0.0057	408 B	1.00
AceHost	Main	168.85 ns	0.369 ns	1.00	0.0029	200 B	1.00
AceHost	PR	167.59 ns	0.390 ns	0.99	0.0029	200 B	1.00

Artifacts.zip

cc @Copilot (agent_logs.txt). EgorBot manual: link.