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Subject: Re: [OMPI users] Re : Yet another stdin problem
From: Roman Cheplyaka (roman.cheplyaka_at_[hidden])
Date: 2009-10-07 11:42:58


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_zellabia_at_[hidden]>:
> 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.cheplyaka_at_[hidden]>
> À : Open MPI Users <users_at_[hidden]>
> 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_zellabia_at_[hidden]>:
>> 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
>>
>>
>>
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>
>
>
> --
> Roman I. Cheplyaka
>
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-- 
Roman I. Cheplyaka