[mpich-discuss] using hydra to start a task on a specific node

Camilo Rostoker rostoker at gmail.com
Thu Aug 19 18:09:13 CDT 2010


I asked this question just a few days ago and Pavan suggested the following
which worked for me:


host/hosts/hostlist is a global parameter that affects all executables. Can
you try this:

% mpiexec -hostlist node01:5,node02:4,node03:2 -n 5 ./exec1 : -n 4 ./exec2 :
-n 2 ./exec3







On Thu, Aug 19, 2010 at 5:03 PM, Rajnish <rajnish at cc.gatech.edu> wrote:

> Hi,
>
> Is it possible to use mpiexec.hydra to start a task on a specific node?
>
> Something like:
>
> mpiexec -host node1 task1
>
> But I would like to use mpiexec.hydra to have the above effect?
>
> Thanks in advance,
> - Raj.
>
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>
>
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