CacheLineSize

uint core::CacheLineSize()
{
    int cacheLineSize = 0;
    int cpuInfo[4] = {-1};
    __cpuid(cpuInfo, 0x80000000);
    uint nExIds = cpuInfo[0];
    if( 0x80000006 <= nExIds )
    {
        __cpuid(cpuInfo, 0x80000006);
        cacheLineSize = cpuInfo[2] & 0xff;
    }
    return cacheLineSize;
}