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From: Andrew Gallatin <gallatin@cs.duke.edu>
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Date: Fri, 3 Feb 2006 17:53:19 -0500 (EST)
To: Kris Kennaway <kris@obsecurity.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: machdep.cpu_idle_hlt and SMP perf?
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Kris Kennaway writes:
 > 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.

I think I'll follow your lead.  Good thing there is a cold snap
coming  ;)

Drew