On Thu, Jun 24, 2004 at 02:10:30PM -0700, Phil Ehrens wrote:
> Luke Palmer wrote:
> >
> > I have a conceptual question. All my nodes are dual Xeon, which appear
> > to have four logical processors each due to hyperthreading. Would there
> > be any advantage to starting four lam processes per node, rather than
> > two, or is this just silly?
>
> You should do a performance test, but I would say it's
> probably a loser.
It's extreamly application dependent. Mostly it's a good way to lose
performance, but sometimes you can gain performance. For example, in my
tests SETI_at_home had significantly more throughput with all logical CPUs
then with HTT disabled.
-- Brooks
--
Any statement of the form "X is the one, true Y" is FALSE.
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