[mpich-discuss] rank 0 on one node

[rigved sharma]

Hi jhammond,

    how it can be achieved?

On 9/17/12, Jeff Hammond <jhammond at alcf.anl.gov> wrote:
> Why are you wasting the 7 ranks on the master node?  For the memory?
>
> Just figure out your topology out-of-band and sleep the 7 unwanted
> ranks on the host node while running 8 ppn.
>
> Jeff
>
> On Sun, Sep 16, 2012 at 3:21 PM, rigved sharma
> <rigved.sharma123 at gmail.com> wrote:
>> hi,
>>
>> i have intel mpi configured on our cluster where we are running the job
>> in
>> which it is required that only master process should execute on 1 node (1
>> seperate node of 8 procs) and rest 63 processes on 63 procs (8 nodes of 8
>> proc each). how it can be acieved.
>>
>> -ruchir b.
>>
>>
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>
>
> --
> Jeff Hammond
> Argonne Leadership Computing Facility
> University of Chicago Computation Institute
> jhammond at alcf.anl.gov / (630) 252-5381
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