public unsafe int GetHashCode(StringSegment str)
{
if (_buffer == null || _buffer.Length < str.Length)
{
_buffer = new char[Bits.NextPowerOf2(str.Length)];
}
for (int i = 0; i < str.Length; i++)
{
_buffer[i] = char.ToUpperInvariant(str.String[str.Start + i]);
}
fixed(char *p = _buffer)
{
return((int)Hashing.XXHash32.CalculateInline((byte *)p, str.Length * sizeof(char)));
}
}
public unsafe int GetHashCode(StringSegment str)
{
if (_buffer == null || _buffer.Length < str.Length)
{
_buffer = new char[Bits.NextPowerOf2(str.Length)];
}
for (int i = 0; i < str.Length; i++)
{
_buffer[i] = char.ToUpperInvariant(str.Buffer[str.Offset + i]);
}
fixed(char *p = _buffer)
{
//PERF: JIT will remove the corresponding line based on the target architecture using dead code removal.
if (IntPtr.Size == 4)
{
return((int)Hashing.XXHash32.CalculateInline((byte *)p, str.Length * sizeof(char)));
}
return((int)Hashing.XXHash64.CalculateInline((byte *)p, (ulong)str.Length * sizeof(char)));
}
}
