FWIW: an upcoming version will have the ability for you to specify all
ranks to receive stdin...but that's a little ways off.
For now, only rank=0 does.
On Oct 7, 2009, at 9:42 AM, Roman Cheplyaka wrote:
As a slight modification, you can write a wrapper script
#!/bin/sh
my_exe < inputs.txt
and pass it to mpirun.
2009/10/7 Kilou Zelabia <kilou_zella...@yahoo.fr>:
Ok thanks!
That's a solution but i was wondering if there could exist a more
elegant
one ? means without any modification at the source level
________________________________
De : Roman Cheplyaka <roman.cheply...@gmail.com>
À : Open MPI Users <us...@open-mpi.org>
Envoyé le : Mer 7 Octobre 2009, 17 h 06 min 55 s
Objet : Re: [OMPI users] Yet another stdin problem
Why not modify your program to read inputs.txt instead of stdin?
2009/10/7 Kilou Zelabia <kilou_zella...@yahoo.fr>:
Dear all,
I'm trying to lunch an MPI program using the command
mpirun -np 64 my_exe < inputs.txt
inputs.txt actually contains the entries that are read by all
processes
however it seems that openmpi redirect the stdin only to the
processes
with
rank 0. with leads to a segmentation fault on the other processes.
The option "-stdin rank" doesn't help since i need all processes
read the
inputs.txt file.
I'v tested with openmpi 1.3 and 1.2 whitout success.
Thanks in advance for you help.
Zellabia. S
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Roman I. Cheplyaka
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