[mpich-discuss] rank 0 on one node
Pavan Balaji
balaji at mcs.anl.gov
Sun Sep 16 20:26:42 CDT 2012
MPI+OpenMP programs often do this.
-- Pavan
On 09/16/2012 08:02 PM, Jeff Hammond 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.
>>
>>
>> _______________________________________________
>> mpich-discuss mailing list mpich-discuss at mcs.anl.gov
>> To manage subscription options or unsubscribe:
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>
>
>
>
--
Pavan Balaji
http://www.mcs.anl.gov/~balaji
More information about the mpich-discuss
mailing list