Ubuntu
glibc package

  1. Jammy (22.04)
  2. Bug #1999551
  3. Comment #36

Comment 36 for bug 1999551

Revision history for this message
Julian Schroeder (jumaco) wrote : Re: glibc: backport AArch64 memcmp improvements

Hi Simon,
I got a Pi4 and tested the memcmp code by compiling it into bench-memcmp directly.
I also tested on an S905X board that has an A54 CPU. Both boards are slower with the Neon code for memcmp.
Looks like the Pi4 has PMU counters. I'll capture some stats to see what's going on.