[mpich-discuss] issue setting process-core mapping with hydra

sreeram potluri potluri at cse.ohio-state.edu
Wed Nov 10 07:42:14 CST 2010


Pavan,

Attached is some information about the machines I am trying this on.

We have SLURM (2.1.11) installed on this cluster. Do you know of any
interactions that this could have?

Thank you
Sreeram Potluri

On Wed, Nov 10, 2010 at 8:29 AM, Pavan Balaji <balaji at mcs.anl.gov> wrote:

> Sreeram,
>
> I'm not able to reproduce this on any of our platforms with trunk, so it
> looks like it's something specific to your hardware. What system is this
> (OS, /proc/cpuinfo, whatever else might be relevant)?
>
>  -- Pavan
>
>
> On 11/09/2010 05:23 PM, sreeram potluri wrote:
>
>> Hi,
>>
>> I am observing an issue when specifying process-core binding using
>> mpiexex.hydra. I am using the trunk version of MPICH2. When I use the
>> following command
>>
>> ../bin/mpiexec.hydra -binding user:0,1 -n 2 -f hosts ./hellow
>>
>> it prints out the following error. However, the tests complete fine. I
>> assume it uses some preset binding.
>>
>>
>> ----------------------------------------------------------------------------------------------------
>> Restrict topology cpusets to existing PU and NODE objects
>> Propagate offline and disallowed cpus down and up
>>
>> ----------------------------------------------------------------------------------------------------
>>
>> This error does not happen with the version of hydra available here :
>>
>>
>> http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/1.3/hydra-1.3.tar.gz
>>
>> My hosts file is as follows:
>>
>> [potluri at wci-login examples]$ cat hosts
>> wci37
>> wci37
>>
>> Please suggest if I am missing something here. Thanks in advance.
>>
>> Regards
>> Sreeram Potluri
>>
>>
>>
>> _______________________________________________
>> mpich-discuss mailing list
>> mpich-discuss at mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>
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