GuidBenchmarks - MemoryMarshal remove

Program.cs

using System;
using System.Collections.Generic;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;

namespace GuidBenchmarks
{
    public static class Program
    {
        public static void Main(string[] args)
        {
            BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);
        }
    }

    [MemoryDiagnoser]
    public class GuidBenchmarks
    {
        [GlobalSetup]
        public void PrintInfo() => Console.WriteLine($"System.Object is defined in {typeof(object).Assembly.Location}");

        public static IEnumerable<Guid> GetGuid()
        {
            yield return new Guid(new byte[] {196, 173, 35, 66, 17, 29, 1, 33, 245, 155, 141, 19, 7, 13, 37, 42});
        }

        [Benchmark(OperationsPerInvoke = 1_048_576)]
        [Arguments(new byte[] {196, 173, 35, 66, 17, 29, 1, 33, 245, 155, 141, 19, 7, 13, 37, 42})]
        public void CtorReadOnlySpan(ReadOnlySpan<byte> bytes)
        {
            for (int i = 0; i < 1_048_576; i++)
            {
                _ = new Guid(bytes);
            }
        }

        [Benchmark(OperationsPerInvoke = 1_048_576)]
        [ArgumentsSource(nameof(GetGuid))]
        public void ToByteArray(Guid guid)
        {
            for (int i = 0; i < 1_048_576; i++)
            {
                _ = guid.ToByteArray();
            }
        }

        [Benchmark(OperationsPerInvoke = 1_048_576)]
        [ArgumentsSource(nameof(GetGuid))]
        public void TryWriteBytes(Guid guid)
        {
            Span<byte> result = stackalloc byte[16];
            for (int i = 0; i < 1_048_576; i++)
            {
                _ = guid.TryWriteBytes(result);
            }
        }
    }
}