Closed mayeut closed 5 years ago
I pushed a 2nd commit with a sadbw variant which might perform better on skylake (not the case on haswell)
Hi, thanks a lot. I didn't even consider maddubs instruction :) Love it.
Will upgrade the article soon.
The button "Comment and close" is bigger than "Merge" :)
This variant seems much better on my Haswell CPU. I expect it to do better as well on Skylake (given sadbw/maddubs changes in latency/throughput between the 2 architectures) but that remains to be confirmed.
Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz (Haswell) Apple LLVM version 10.0.0 (clang-1000.11.45.5)