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Subject: Re: [OMPI users] openMPI (multiple CPUs)
From: Micha Feigin (michf_at_[hidden])
Date: 2010-02-27 07:20:00


On Fri, 26 Feb 2010 18:14:07 -0800 (PST)
Rodolfo Chua <rodolfo.chua_at_[hidden]> wrote:

> Hi all!
>
> I'm running a code using openMPI in a quad-core cpu. Though it is working, a quad-core is still not enough.
> Is there another way, aside from a server, of connecting 2 or 3 CPUs and running them on parallel with MPI?
>
> Thanks.
> Rodolfo
>
>
>
You have three options:

1. Buy a multi socket motherboard and matching CPUs (expensive)
2. Connect several machines into a cluster (via gigabit ethernet or infiniband - i.e cheap or expensive) - what openMPI is actually about ...
3. Wait for CPUs with more cores to come out