[MPICH] mpiexec -machinefile option in 1.0.6

Jayesh Krishna jayesh at mcs.anl.gov
Mon Dec 10 15:47:05 CST 2007


Hi,
 Did you try specifying the -machinefile option for each of the executables
?

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

 Can you run cpi.exe using the machinefile option ?

(mpiexec -machinefile mf.txt -n 4 cpi.exe)

Regards,
Jayesh

-----Original Message-----
From: owner-mpich-discuss at mcs.anl.gov
[mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Vlad Branzoi
Sent: Monday, December 10, 2007 1:25 PM
To: mpich-discuss at mcs.anl.gov
Subject: [MPICH] mpiexec -machinefile option in 1.0.6

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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