EgorBot for antonfirsov in #112417

[EgorBot]

Processing dotnet/runtime#112417 (comment) command:

Command

-intel

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Net;
using System.Net.Sockets;

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

public class SocketBench
{
    private Socket? _listener;
    private Socket? _receiver;
    private Socket? _sender;
    private CancellationTokenSource? _cts;
    private byte[] _sendBuffer = new byte[16];

    [Benchmark]
    public int Send() => _sender!.Send(_sendBuffer);

    [Benchmark]
    public async Task<int> SendAsync() => await _sender!.SendAsync(_sendBuffer, SocketFlags.None, default);

    [Benchmark]
    public void CreateClose()
    {
        Socket sock = new Socket(SocketType.Stream, ProtocolType.Tcp);
        sock.Dispose();
    }

    [GlobalSetup(Targets = [nameof(Send), nameof(SendAsync)])]
    public async Task Setup()
    {
        _listener = new Socket(SocketType.Stream, ProtocolType.Tcp);
        _listener.Bind(new IPEndPoint(IPAddress.IPv6Loopback, 0));
        IPEndPoint serverEp = (IPEndPoint)_listener.LocalEndPoint!;
        _listener.Listen();

        Task<Socket> acceptTask = _listener.AcceptAsync();

        _sender = new Socket(SocketType.Stream, ProtocolType.Tcp);
        await _sender.ConnectAsync(serverEp);

        _receiver = await acceptTask;
        _cts = new CancellationTokenSource();

        _ = RunServer();

        async Task RunServer()
        {
            byte[] rcvBuffer = new byte[16];
            try
            {
                while (!_cts.Token.IsCancellationRequested)
                {
                    await _receiver.ReceiveAsync(rcvBuffer, _cts.Token);
                }
            }
            catch (OperationCanceledException) { }
        }
    }

    [GlobalCleanup(Targets = [nameof(Send), nameof(SendAsync)])]
    public void Cleanup()
    {
        _cts?.Cancel();
        _receiver?.Dispose();
        _listener?.Dispose();
        _sender?.Dispose();
    }
}

(EgorBot will reply in this issue)

[EgorBot]

Benchmark results on linux_azure_cascadelake

BenchmarkDotNet v0.14.0, Ubuntu 24.04.1 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 8 logical and 4 physical cores
  Job-WLYKPT : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-YUGJHQ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio
Send	Main	435.3 ns	8.44 ns	1.00
Send	PR	426.6 ns	3.60 ns	0.98
SendAsync	Main	528.1 ns	1.83 ns	1.00
SendAsync	PR	522.3 ns	1.36 ns	0.99
CreateClose	Main	3,177.1 ns	25.79 ns	1.00
CreateClose	PR	3,241.3 ns	36.29 ns	1.02

BDN_Artifacts.zip

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