On Wed, Jan 16, 2002 at 11:36:19PM -0800, Thomas Duffy wrote:
> > I am new to this mail list. I do not know how many CPUs linux can
> > support well using SMP. If some one knows, please give me
> > a reply. Thanks.
>
> there is a 32bit cpu mask, meaning 32 is the absolute max, although Ralf
> Baechle has extended it to 64 in order to support SGI origin 2000's, but
> realistically, linux can only do about 8 before falling on the ground...
Actually Kanoj and me hacked it to work with 128. The scalability was
already frightening with 32 and even more so with 128 ...
> depends on your workload really...you should be ok with 4 cpus.
Around 4 procs is certainly the sweet spot currently.
Ralf
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