kris at obsecurity.org
Tue Mar 1 00:44:42 GMT 2005
On Mon, Feb 28, 2005 at 06:39:21PM -0600, Stephen Montgomery-Smith wrote:
> I have a dual Xeon system, for which I had hyperthreading enabled. I
> was running a CPU intensive floating point program (specifically using
> the fftw3 port with threads). I found that using 4 (hyper) processors
> really did give me a speed advantage, even though I do find web sites
> that suggested this advantage was minimal. (So for example, 4 processes
> on this system seemed to run at the equivalent of 2GHz on these 3GHz
> computers, so the advantage was about 1.3 times.)
> But then after about a day the computer had a panic. I found that 4
> CPU's under FreeBSD 5.3 is apparently unstable, and there were
> statements to the effect that this would be fixed in FreeBSD 5.4. Is
> this going to happen? I am currently running a rather recent version of
> FreeBSD 5.3-Stable, maybe a week or two old, so I am concerned that
> maybe this won't get committed.
Depends on the panic. What was it?
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