Re: machdep.cpu_idle_hlt and SMP perf?

From: Kris Kennaway <kris_at_obsecurity.org>
Date: Fri, 3 Feb 2006 17:51:14 -0500
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
Received on Fri Feb 03 2006 - 21:51:15 UTC

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