git: kernel: bzeront() - Switch out loop instruction in i386 bze
commit 30d7cee3ae83856e62a65efefe1fa0ff7fb7e5df
Author: Venkatesh Srinivas <me@endeavour.zapto.org>
Date: Sat Sep 11 04:16:39 2010 -0700
kernel: bzeront() - Switch out loop instruction in i386 bzero for sub/jnz.
Much as I like loop, it has a ~7-9 cycle latency on AMD CPUs. Lets spend
idlezero time actually zeroing...
Summary of changes:
sys/cpu/i386/misc/bzeront.s | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/30d7cee3ae83856e62a65efefe1fa0ff7fb7e5df
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