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Subject: Re: [OMPI users] redirecting output
From: Gus Correa (gus_at_[hidden])
Date: 2012-03-30 12:32:37


Have you tried the
--output-filename <filename>
switch to mpirun?
man mpirun may help.

If you are running under a resource manager,
such as Torque, the stdout may be retained in
the execution node until the war is over ...
well ... the job finishes.

Gus Correa

On 03/30/2012 11:44 AM, Ralph Castain wrote:
> Have you looked at "mpirun -h"? There are several options available for
> redirecting output, including redirecting it to files by rank so it is
> separated by application process.
>
> In general, mpirun will send the output to stdout or stderr, based on
> what your process does. The provided options just let you tag it, or
> separate it by rank for convenience.
>
>
> On Mar 30, 2012, at 9:22 AM, tyler.balson_at_[hidden]
> <mailto:tyler.balson_at_[hidden]> wrote:
>
>> I am using openmpi-1.4.5 and I just tried |tee ~/outputfile.txt and it
>> generated the file named outputfile.txt but again it was empty
>> ------------------------------------------------------------------------
>> *From:*users-bounces_at_[hidden]
>> <mailto:users-bounces_at_[hidden]>[users-bounces_at_[hidden]
>> <mailto:users-bounces_at_[hidden]>] on behalf of Marc Cozzi
>> [cozzi_at_[hidden] <mailto:cozzi_at_[hidden]>]
>> *Sent:*Friday, March 30, 2012 9:56 AM
>> *To:*Open MPI Users
>> *Subject:*Re: [OMPI users] redirecting output
>>
>> Does Pcrystal |tee ./outputfile.txt work?
>>
>> --marc
>> *From:*users-bounces_at_[hidden]
>> <mailto:users-bounces_at_[hidden]>[mailto:users-bounces_at_[hidden]]*On
>> Behalf Of*François Tessier
>> *Sent:*Friday, March 30, 2012 10:56 AM
>> *To:*Open MPI Users
>> *Subject:*Re: [OMPI users] redirecting output
>>
>> Hello!
>>
>> Did you try to redirect also the error output? Maybe your application
>> write its output on stderr.
>>
>> François
>>
>> On 30/03/2012 16:41,tyler.balson_at_[hidden]
>> <mailto:tyler.balson_at_[hidden]>wrote:
>> Hello all,
>>
>> I am using the command*mpirun -np nprocs -machinefile machines.arch
>> Pcrystal*and my output strolls across my terminal I would like to send
>> this output to a file and I cannot figure out how to do so....I have
>> tried the general > FILENAME and > log & ....these generate files
>> however they are empty.....any help would be appreciated.
>>
>> Thank you for reading
>>
>> Tyler
>>
>>
>>
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>
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