[mpich-discuss] How codes are distributed?

Darius Buntinas buntinas at mcs.anl.gov
Mon Oct 24 17:10:00 CDT 2011


No, the executable needs to be accessible from every node before you call mpiexec, e.g., using a shared filesystem.  The process manager won't do that for you.

-d


On Oct 24, 2011, at 5:04 PM, Jierui XIE wrote:

> Hello,
> 
> I am confused by a simple question. Hope someone can give me some hints.
> When run mpiexec -n x program,  I am assuming that  the MPI will
> distribute x processes to multiple machines.
> 
> Does it mean that one copy of the program would be copied to each machine??
> Is this done by the process manager (e.g., mpd) on each machine?
> 
> 
> Thanks.
> 
> Jerry
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