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);

[MemoryDiagnoser]
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-BZNWLL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-PIBQFT : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio	Gen0	Allocated	Alloc Ratio
Send	Main	426.8 ns	4.52 ns	1.00	-	-	NA
Send	PR	433.5 ns	4.94 ns	1.02	-	-	NA
SendAsync	Main	524.5 ns	3.78 ns	1.00	0.0029	72 B	1.00
SendAsync	PR	523.5 ns	3.62 ns	1.00	0.0029	72 B	1.00
CreateClose	Main	3,165.8 ns	34.96 ns	1.00	0.0038	176 B	1.00
CreateClose	PR	3,202.9 ns	35.18 ns	1.01	0.0038	168 B	0.95

BDN_Artifacts.zip

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