[mpich-discuss] Does MPICH support launching processes on Intel-MIC from host?

[Reuti]

Am 23.05.2014 um 22:38 schrieb Yida Wang:

> Thank you! That works, but is not very convenient. Can I know why you guys don't configure mpich to behave as the same as Intel-MPI? Basically, using Intel-MPI, one can use the same mpiexec.hydra on both host and Xeon Phi.

I don't have Intel-MPI, but is it really a binary or a wrapper to two different versions? What does `file mpiexec.hydra` show?

-- Reuti


> On Fri, May 23, 2014 at 1:18 PM, "Antonio J. Peña" <apenya at mcs.anl.gov> wrote:
> 
> For that, you have to deploy two installations of MPICH: one compiled for the host, and the other for the MIC. To make things easy, place them under the same path in both hosts - one that is not shared.
> 
>   Antonio
> 
> 
> 
> On 05/22/2014 04:28 PM, Yida Wang wrote:
>> Hi Guys,
>> 
>> Can MPICH be configured to support launching processes on Intel-MIC from the host? I know that there's a way to compile MPICH to be running on Intel-MIC only, but how about running heterogeneously on both host and Intel-MIC together?
>> 
>> My compiled version returned "hydra_pmi_proxy: cannot execute binary file" and got stuck when I tried to launch processes on Intel-MIC.
>> 
>> Thanks,
>> YW
>> 
>> 
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> 
> -- 
> Antonio J. Peña
> Postdoctoral Appointee
> Mathematics and Computer Science Division
> Argonne National Laboratory
> 9700 South Cass Avenue, Bldg. 240, Of. 3148
> Argonne, IL 60439-4847
> apenya at mcs.anl.gov
> www.mcs.anl.gov/~apenya
> 
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