svn commit: r313006 - in head: sys/conf sys/libkern sys/libkern/x86 sys/sys tests/sys/kern

Conrad Meyer cem at freebsd.org
Tue Jan 31 03:38:11 UTC 2017


On Mon, Jan 30, 2017 at 7:26 PM, Conrad E. Meyer <cem at freebsd.org> wrote:
> (The CRC instruction takes 1 cycle but has 2-3 cycles of latency.)

My mistake, it's not 2 anywhere.  It's just 3 cycles on all
workstation/server CPUs since Nehalem.  Different on Atom chips and
AMD.

Best,
Conrad


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