[mpich2-dev] running mpich2 single pc dual core machine

[Alexandre Souza]

Hi,
I am confused.. So there is no advantage in using mpich2 in a single pc dual
core machine ?
Thanks,
Alex

On 7/11/08, Rajeev Thakur <thakur at mcs.anl.gov> wrote:
>
>  On a single PC, you just need to do "mpd &". Only a single mpd daemon is
> needed for all processes on that machine.
>
> Rajeev
>
>  ------------------------------
> *From:* owner-mpich2-dev at mcs.anl.gov [mailto:owner-mpich2-dev at mcs.anl.gov]
> *On Behalf Of *Alexandre Souza
> *Sent:* Friday, July 11, 2008 9:46 AM
> *To:* mpich2-dev at mcs.anl.gov
> *Subject:* [mpich2-dev] running mpich2 single pc dual core machine
>
>  Hi All,
>
> I have one question regarding running 2 processes in a single pc dual core
> machine:
>
> if I have two (one core) pcs I start the mpich with : mpdboot -n 2 -f
> ~/mpd.hosts
>
> with mpd.hosts contents: node0
>
>                                       node1
>
> How can I use mpdboot in a single pc with dual core in order to have the
> same effect above.
>
> Is using : mpdboot -n 1 ~/mpd.hosts -ncpus=2 a correct approach ?
>
>  (in the last case mpd.hosts contents is just : node0).
>
> Any comment would be very helpful.
>
> Alex
>
>
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