machdep.cpu_idle_hlt and SMP perf?
Kris Kennaway
kris at obsecurity.org
Fri Feb 3 14:51:15 PST 2006
On Fri, Feb 03, 2006 at 05:47:32PM -0500, Andrew Gallatin wrote:
>
> Why dooes machdep.cpu_idle_hlt=1 drop my 10GbE network rx
> performance by a considerable amount (7.5Gbs -> 5.5Gbs)?
I don't know, but I've set this to 0 on my machines because I also
noticed a significant performance drop on general workloads with it
set to 1.
Kris
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