public void UnsafeFastBufferCopy()
{
for (int i = 0; i < N; i++)
{
FastBuffer.UnsafeBlockCopy(bufferFrom, 0, bufferTo, 0, Size);
}
}
public unsafe static void BenchUnsafe()
{
var count = 10000000;
var from = new byte[1024];
var to = new byte[1024];
var w = Stopwatch.StartNew();
fixed(byte *src = &from[0], dst = &to[0])
{
byte *dt = dst;
for (int n = 0; n < 100; n++)
{
for (int i = 0; i < count; i++)
{
FastBuffer.UnsafeBlockCopy(src, dst, n);
}
w.Stop();
Console.WriteLine($"FastBuffer.UnsafeBlockCopy {n}bytes cost:{w.ElapsedMilliseconds}");
w = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
{
Buffer.MemoryCopy(src, dt, n, n);
}
w.Stop();
Console.WriteLine($"Buffer.MemoryCopy {n}bytes cost:{w.ElapsedMilliseconds}");
Console.WriteLine($"----------------------------{n}-------------------");
}
}
}
public unsafe void UnsafeFastBufferCopyFixed()
{
fixed(byte *src = &bufferFrom[0], dst = &bufferTo[0])
{
for (int i = 0; i < N; i++)
{
FastBuffer.UnsafeBlockCopy(src, dst, Size);
}
}
}
public unsafe static void WriteUnsafe(string name, char[] buffer, int position)
{
fixed (char* src = name, dst = &buffer[position])
FastBuffer.UnsafeBlockCopy((byte*)src, (byte*)dst, name.Length * 2);
}
public unsafe static void WriteUnsafe(char* tsrc, char* tdst, int size)
{
FastBuffer.UnsafeBlockCopy((byte*)tsrc, (byte*)tdst, size);
}