openmpi versus mpich2

Rodolfo Aramayo raramayo at
Mon Aug 8 11:19:06 PDT 2011

The developer of the package I want to run (Velvet) told me I should
just install 'libgomp'

Can you guys translate this for me?

Is he talking about openmpi or mpich2?? or something else??


On Mon, Aug 8, 2011 at 09:21, Eric A. Borisch <eborisch at> wrote:
> On Mon, Aug 8, 2011 at 8:57 AM, Jason Swails <jason.swails at> wrote:
>> I personally use mpich2 myself, but tend to compile my own MPIs, as the
>> multiplicity can get you in trouble (if you link serial libraries to MPI
>> code, you can run into lots of problems if the compiler version used to
>> build the MPI libraries, and therefore the ones you're using to build the
>> MPI code if you use mpicc/mpif90, is not the same as the compiler version
>> you used to build the serial libraries).
>> HTH,
>> Jason
> FWIW, The mpich2 port supports a number of underlying compilers
> through the variants... Hopefully your favorite in the list.
>  -Eric
> --
> Eric A. Borisch

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