85 lines
2.4 KiB
C#
85 lines
2.4 KiB
C#
using BenchmarkDotNet.Running;
|
|
using BenchmarkDotNet.Attributes;
|
|
using System.Runtime.InteropServices;
|
|
using System.Reflection;
|
|
using System.Numerics;
|
|
using System.Runtime.CompilerServices;
|
|
using System.Runtime.Versioning;
|
|
|
|
namespace BenchMark
|
|
{
|
|
internal class Program
|
|
{
|
|
static unsafe void Main(string[] args)
|
|
{
|
|
int* p = (int*)Marshal.AllocHGlobal(sizeof(int) * 10);
|
|
|
|
for (int i = 0; i < 10; i++)
|
|
{
|
|
*(p + i) = i;
|
|
}
|
|
|
|
int[] array = (int[])GCHandle.FromIntPtr((IntPtr)p).Target;
|
|
|
|
Console.WriteLine(array);
|
|
|
|
//BenchmarkRunner.Run(typeof(MyClass).Assembly);
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
public class MyClass
|
|
{
|
|
[Benchmark]
|
|
public bool isM128Pinnable()
|
|
{
|
|
var type = typeof(M128);
|
|
foreach (var field in type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
|
|
{
|
|
// 如果字段是引用类型，返回 false
|
|
if (!field.FieldType.IsValueType)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
// 如果没有引用类型的字段，返回 true
|
|
return true;
|
|
}
|
|
|
|
[Benchmark]
|
|
public bool isVector4Pinnable()
|
|
{
|
|
var type = typeof(int);
|
|
foreach (var field in type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
|
|
{
|
|
// 如果字段是引用类型，返回 false
|
|
if (!field.FieldType.IsValueType)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
// 如果没有引用类型的字段，返回 true
|
|
return true;
|
|
}
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Explicit)]
|
|
public unsafe struct M128
|
|
{
|
|
[FieldOffset(0)] internal fixed float Single[4];
|
|
[FieldOffset(0)] internal fixed double Double[2];
|
|
|
|
[FieldOffset(0)] internal fixed sbyte Int8[16];
|
|
[FieldOffset(0)] internal fixed short Int16[8];
|
|
[FieldOffset(0)] internal fixed int Int32[4];
|
|
[FieldOffset(0)] internal fixed long Int64[2];
|
|
|
|
[FieldOffset(0)] internal fixed byte UInt8[16];
|
|
[FieldOffset(0)] internal fixed ushort UInt16[8];
|
|
[FieldOffset(0)] internal fixed uint UInt32[4];
|
|
[FieldOffset(0)] internal fixed ulong UInt64[2];
|
|
|
|
}
|
|
} |