[MPICH] mpiexec -machinefile option in 1.0.6

Vlad Branzoi vbranzoi at sarnoff.com
Mon Dec 10 13:24:45 CST 2007


Has anyone else noticed that the -machinefile option for mpiexec no longer
works ? At least this seems to be the case for me under WinXP with 1.0.6p1.
No matter what is in the machinefile the mpiexec ignores it and does it's
own thing.

For example:

machinefile mf.txt:
hosta:1
hostb:8

Try to run with:

mpiexec -l -machinefile mf.txt -n 1 server.exe : -n 4 client.exe

will try to run everything on the local machine.

Is this a known bug ? Is there a workaround ?

Thanks,
Vlad




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