Hi Richard, I think you were the last person to fiddle with the prefetching in buffer_zero_avx2 and friends; Joe (cc'd) wondered if explicit prefetching still made sense on modern CPUs, and that their hardware generally figures stuff out better on simple increments.
What was your thinking on this, and did you actually measure any improvement? Dave -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
