[mpich-discuss] hydra_pmi_proxy using 100% CPU

Pavan Balaji balaji at mcs.anl.gov
Fri Jan 21 07:10:02 CST 2011


On 01/21/2011 06:57 AM, Pavan Balaji wrote:
>> 2. If I don't use MPI IO and stick to writing to stdout with fwrite() is
>> it better to do a) Send from slave to master and then fwrite in master
>> or b) write to stdout in the slaves.
>
> All stdout from all processes is always funnelled through the master.

Oops, sorry, I meant all stdout is funnelled through the mpiexec 
process, not rank 0 of the application.

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji


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