Multiprocessor system VS one processor system

Jin Guojun [DSD] j_guojun at lbl.gov
Fri Mar 12 09:36:40 PST 2004


I do not think FreeBSD has yet supported SMP thread, which I hoped
to happen for a long time.

    -Jin

"Brian D.Moffet" wrote:

> If I remember correctly, FreeBSD (4.8 I believe) will run multiple
> threads of one process on multiple CPUs, correct?  Or am I seeing
> something very odd on my multi-thread test (with 2 CPUs)?
>
> Brian
>
> On Friday, March 12, 2004, at 09:02 AM, Simon wrote:
>
> >
> > While FreeBSD 4.9 can only run one process per CPU, in a multi-user
> > environment, you will have multiple processes running on multiple CPUs
> > at the same time. You can't do this with 1 CPU, even if that one CPU
> > is faster. Of course, an outdated dual CPU server is not a lot faster
> > than
> > a 2x+ faster newer single CPU server.
>
> --
> Brian D. Moffet -- Film and Digital Media Dept.
> 1156 High Street, Santa Cruz CA 95064
> 831-459-4242



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