Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |  

This web mail archive is frozen.

This page is part of a frozen web archive of this mailing list.

You can still navigate around this archive, but know that no new mails have been added to it since July of 2016.

Click here to be taken to the new web archives of this list; it includes all the mails that are in this frozen archive plus all new mails that have been sent to the list since it was migrated to the new archives.

Subject: Re: [OMPI users] Re : Yet another stdin problem
From: Ralph Castain (rhc_at_[hidden])
Date: 2009-10-07 12:13:42


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_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
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>
>
>
> --
> Roman I. Cheplyaka
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users