4 ms·
This is funnily related to the Win9x crash on fast CPUs.
by chowyuncat 6y ago
This is funnily related to the Win9x crash on fast CPUs.
- titzer 6y agoNot really. This isn't a delay calibration loop. The "pause" instruction is a hint to the CPU to yield core resources to the sibling hyperthread because it is (or would be) blocked due to lock contention. In no way does the performance adjustment that Intel did affect software's semantic correctness.