Hi Bill,
thanks for answering.
a couple of questions:
I'm gonna disable hyperthreading tomorrow, but tell me, should I do it
in BIOS and just boot it up,
without any change(reinstall)? or should I use this method:
FreeBSD supports hyperthreading on Intel CPU's on the i386 platform.
Since using logical CPUs can cause performance penalties under certain
loads, the logical CPUs can be disabled by setting the
/machdep.hlt/*_*/logical/*_*/cpus/ sysctl to one.
and just reboot?
regarding your stats:
I see that you have
net.isr.directed: 0
does it help? should I do it too?
do you have anything related added to /boot/loader.conf or sysctl.conf
besides
net.inet.ip.intr_queue_maxlen: 5000 ?
thanks a lot.
Lenny.
Bill Marquette wrote:
On Wed, Mar 18, 2009 at 10:27 AM, <[email protected]> wrote:
So the question is, should I go for it? Will it help me in any way? I mean,
if I have 2 Xeon CPUs and Hyper Threading enabled, I can actually divide it
into 4 threads, right?
Don't use hyperthreading. It's likely to cause you more performance
thank it gives you.
--Bill
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