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

[Yida Wang]

No, they are the same one. I mounted the directory to MICs by myself.


On Fri, May 23, 2014 at 5:13 PM, Min Si <msi at il.is.s.u-tokyo.ac.jp> wrote:

>  Have you tried ssh to MIC and check mpiexec.hydra again ? It might be
> different files just using the same path.
>
> Min
>
>
> (14-5-23 15:48), Yida Wang wrote:
>
> I don't know how Intel guys implement this. But I think the mpiexec.hydra
> file they provide is a regular Linux executable file. "file" it returns
> "mpiexec.hydra: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
> dynamically linked (uses shared libs), for GNU/Linux 2.6.9, not stripped".
>
>  One need to make sure mpiexec.hydra and pmi_proxy are accessible to MICs
> before launching processes on MICs from host.
>
>
> On Fri, May 23, 2014 at 4:43 PM, Reuti <reuti at staff.uni-marburg.de> wrote:
>
>>  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 60439-4847apenya at mcs.anl.govwww.mcs.anl.gov/~apenya <http://www.mcs.anl.gov/%7Eapenya>
>>>
>>>
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>>
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>
>
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