Athlon MP vs Athlon XP

Rayson Ho raysonlogin at
Thu Nov 8 13:23:13 PST 2001

--- Thomas Lovie <tlovie at> wrote:
> I have a innocent question.... Does the kernel have processor
> affinity
> built in to it yet? 

For Linux kernel, yes.

For Solaris, I don't know. 

Didn't have time to sign the NDA in order to access Solaris source :-)


> The situation may arise that one of the mpi
> processes gets bumped from it's processor, by a system task, then it
> in
> turn bumps the other mpi task from the other processor, and in
> effect,
> it's info is cached in the other processor.  I see the advantage that
> fetching from a remote L2 is better, but does anybody know the status
> of
> assigning a processor affinity mask to processes?
> Tom Lovie.
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