Function gigabytes_per_second

tests/test-quantize-perf.cpp:70–72

}

static float gigabytes_per_second(size_t bytes, int64_t usecs) {
    return bytes / (float) usecs * 1000000 / (1024*1024*1024);
}

static void * align_with_offset(void * ptr, int offset) {
    size_t dummy_size = MAX_ALIGNMENT * 4;