5 ms·
llvm-mca is highly unreliable when it comes to AVX-512. It thinks 3 512-bit vpaddd, vpsubd can be run per cycle. Adjusting for that you get 622 cycles instead o
by pbsd 5y ago
llvm-mca is highly unreliable when it comes to AVX-512. It thinks 3 512-bit vpaddd, vpsubd can be run per cycle. Adjusting for that you get 622 cycles instead of 528.