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Subject: Re: [OMPI users] Open MPI, cannot get the results from workers
From: David Zhang (solarbikedz_at_[hidden])
Date: 2010-07-05 16:17:27


how does the master receive results from the workers? if a worker is sending
multiple task results, how does the master knows what the message tags are
ahead of time?

On Sun, Jul 4, 2010 at 10:26 AM, Jack Bryan <dtustudy68_at_[hidden]> wrote:

> Dear All :
>
> I designed a master-worker framework, in which the master can schedule
> multiple tasks (numTaskPerWorkerNode) to each worker and then collects
> results from workers.
>
> if the numTaskPerWorkerNode = 1, it works well.
>
> But, if numTaskPerWorkerNode > 1, the master cannot get the results from
> workers.
>
> But, the workers can get the tasks from master.
>
> why ?
>
>
> I have used different taskTag to distinguish the tasks, but still does not
> work.
>
> Any help is appreciated.
>
> Thanks,
>
> Jack
>
> July 4 2010
>
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-- 
David Zhang
University of California, San Diego