Thanks for the patch - it works fine! Jody
On Mon, Jul 12, 2010 at 11:38 PM, Ralph Castain <r...@open-mpi.org> wrote: > Just so you don't have to wait for 1.4.3 to be released, here is the patch. > Ralph > > > > > On Jul 12, 2010, at 2:44 AM, jody wrote: > >> yes, i'm using 1.4.2 >> >> Thanks >> Jody >> >> On Mon, Jul 12, 2010 at 10:38 AM, Ralph Castain <r...@open-mpi.org> wrote: >>> >>> On Jul 12, 2010, at 2:17 AM, jody wrote: >>> >>>> Hi >>>> >>>> I have a master process which spawns a number of workers of which i'd >>>> like to save the output in separate files. >>>> >>>> Usually i use the '-output-filename' option in such a situation. >>>> However, if i do >>>> mpirun -np 1 -output-filename work_out master arg1 arg2 >>>> all the files work_out.1, work_out.2, ... are ok, >>>> but work_out.0 contains both outputs of the master process(process 0 >>>> in COMM_WORLD) and >>>> of the first worker (process 0 in the communicator of the spawned >>>> processes). >>> >>> Crud - that's a bug. >>> >>>> >>>> I also tried the '-tag-output' option, but this involves several >>>> additional steps, >>>> because i have to separate the combined outputs >>>> mpirun -np 1 -tag-output master arg1 arg2 > total.out >>>> grep "\[1,0\]" total.out | sed 's/\[1,0\]<stdout>://' > master.out >>>> grep "\[2,0\]" outA | sed 's/\[2,0\]<stdout>://' > worker_0.out >>>> grep "\[2,1\]" outA | sed 's/\[2,1\]<stdout>://' > worker_1.out >>>> ... >>>> Of course, this could be wrapped in a script, but it is a bit cumbersome >>>> (and i am not sure if the job-ids are always "1" and "2") ... >>>> >>>> Is there some simpler way to separate the output of the two streams? >>> >>> Not really. >>> >>>> >>>> If not, would it be possible to extend the -output-filename option i >>>> such a way that it >>>> would also combine job-id and rank withe the output file: >>>> work_out.1.0 >>>> for the master's output, and >>>> work_out.2.0 >>>> work_out.2.1 >>>> work_out.2.2 >>>> ... >>>> for the worker's output? >>> >>> Yeah, I can do that - will put something together. Are you doing this in >>> the 1.4 series? >>> >>>> >>>> Thank You >>>> Jody >>>> _______________________________________________ >>>> users mailing list >>>> us...@open-mpi.org >>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >>> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
