pervognsen

#if _WIN32
struct Timer {
    LARGE_INTEGER win32_freq;
    LARGE_INTEGER win32_start;

    Timer() {
        QueryPerformanceFrequency(&win32_freq);
        win32_start.QuadPart = 0;
    }

nothings

// based on xxhash32
unsigned int hash(char *data, size_t len)
{
  unsigned int hash;
  if (len < 4) {
    // load 3 bytes, overlapping if len < 3
    static unsigned char offset1[4] = { 0,0,1,1 };
    static unsigned char offset2[4] = { 0,0,0,2 };
    unsigned int h = data[0] + (data[offset1[len]]<<8) + (data[offset2[len]]<<16);
    h = xxprime1 + h*xxprime2;