3 ms·
Sounds like you’d still want a non-AVX512 path for sufficiently small arrays, though. As an extreme case, sorting a 4-element array presumably doesn’t get enou
by comex 3y ago
Sounds like you’d still want a non-AVX512 path for sufficiently small arrays, though. As an extreme case, sorting a 4-element array presumably doesn’t get enough speedup from AVX512 to be worth downclocking by 100Mhz. I wonder where the cutoff is.
- dragontamer 3y agoThe 100MHz downclocking is only seen in Icelake, and not in Rocketlake (no perceptive downclocking behavior from any AVX512). So its a lot of effort to think about a problem that's only identified on a relatively small number of server processors, and (probably) won't be a problem moving forward.