Yes I am sure I read from a mpi4py guide I already check the examples if fact this an example extracted from a guide…!! Evenmore this example if I use with mpich2 it runs very nicely, even though for the other code I need openmpi working =s
Mariana On Sep 25, 2012, at 8:00 PM, Ralph Castain <rhc.open...@gmail.com> wrote: > I don't think that is true, but I suggest you check the mpi4py examples. I > believe all import does is import function definitions - it doesn't execute > anything. > > Sent from my iPad > > On Sep 25, 2012, at 2:41 PM, mariana Vargas <mmaria...@yahoo.com.mx> wrote: > >> MPI_init() is actually called when import MPI module from MPi package... >> >> >> On Sep 25, 2012, at 5:17 PM, Ralph Castain wrote: >> >>> You forgot to call MPI_Init at the beginning of your program. >>> >>> On Sep 25, 2012, at 2:08 PM, Mariana Vargas Magana <mmaria...@yahoo.com.mx> >>> wrote: >>> >>>> Hi >>>> I think I'am not understanding what you said , here is the hello.py and >>>> next the command mpirun… >>>> >>>> Thanks! >>>> >>>> #!/usr/bin/env python >>>> """ >>>> Parallel Hello World >>>> """ >>>> >>>> from mpi4py import MPI >>>> import sys >>>> >>>> size = MPI.COMM_WORLD.Get_size() >>>> rank = MPI.COMM_WORLD.Get_rank() >>>> name = MPI.Get_processor_name() >>>> >>>> sys.stdout.write( >>>> "Hello, World! I am process %d of %d on %s.\n" >>>> % (rank, size, name)) >>>> >>>> ~/bin/mpirun -np 70 python2.7 helloworld.py >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> Hello, World! I am process 0 of 1 on ferrari. >>>> >>>> On Sep 25, 2012, at 4:46 PM, Ralph Castain <r...@open-mpi.org> wrote: >>>> >>>>> The usual reason for this is that you aren't launching these processes >>>>> correctly. How are you starting your job? Are you using mpirun? >>>>> >>>>> >>>>> On Sep 25, 2012, at 1:43 PM, mariana Vargas <mmaria...@yahoo.com.mx> >>>>> wrote: >>>>> >>>>>> Hi >>>>>> >>>>>> I fact I found what is the origin of this problem and it is because all >>>>>> processes have rank 0, so I tested and in effect even when I send the >>>>>> clasical Hello.py give the same, how can I solved this?? Do I re >>>>>> installed every again??? >>>>>> >>>>>> Help please... >>>>>> >>>>>> Mariana >>>>>> >>>>>> >>>>>> >>>>>> On Sep 24, 2012, at 9:13 PM, Mariana Vargas Magana wrote: >>>>>> >>>>>>> >>>>>>> >>>>>>> Yes you are right this is what it says but if fact the weird thing is >>>>>>> that not all times the error message appears….I send to 20 nodes and >>>>>>> only one gives this message, is this normal… >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Sep 24, 2012, at 8:00 PM, Ralph Castain <r...@open-mpi.org> wrote: >>>>>>> >>>>>>>> Well, as it says, your processes called MPI_Init, but at least one of >>>>>>>> them exited without calling MPI_Finalize. That violates the MPI rules >>>>>>>> and we therefore terminate the remaining processes. >>>>>>>> >>>>>>>> Check your code and see how/why you are doing that - you probably have >>>>>>>> a code path whereby a process exits without calling finalize. >>>>>>>> >>>>>>>> >>>>>>>> On Sep 24, 2012, at 4:37 PM, mariana Vargas <mmaria...@yahoo.com.mx> >>>>>>>> wrote: >>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Hi all >>>>>>>>> >>>>>>>>> I get this error when I run a paralelized python code in a cluster, >>>>>>>>> could anyone give me an idea of what is happening? I'am new in this >>>>>>>>> Thanks... >>>>>>>>> >>>>>>>>> mpirun has exited due to process rank 2 with PID 10259 on >>>>>>>>> node f01 exiting improperly. There are two reasons this could occur: >>>>>>>>> >>>>>>>>> 1. this process did not call "init" before exiting, but others in >>>>>>>>> the job did. This can cause a job to hang indefinitely while it waits >>>>>>>>> for all processes to call "init". By rule, if one process calls >>>>>>>>> "init", >>>>>>>>> then ALL processes must call "init" prior to termination. >>>>>>>>> >>>>>>>>> 2. this process called "init", but exited without calling "finalize". >>>>>>>>> By rule, all processes that call "init" MUST call "finalize" prior to >>>>>>>>> exiting or it will be considered an "abnormal termination" >>>>>>>>> >>>>>>>>> This may have caused other processes in the application to be >>>>>>>>> terminated by signals sent by mpirun (as reported here). >>>>>>>>> >>>>>>>>> Thanks!! >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>>> >>>>>>>>>> Dr. Mariana Vargas Magana >>>>>>>>>> Astroparticule et Cosmologie - Bureau 409B >>>>>>>>>> PHD student- Université Denis Diderot-Paris 7 >>>>>>>>>> 10, rue Alice Domon et Léonie Duquet >>>>>>>>>> 75205 Paris Cedex - France >>>>>>>>>> Tel. +33 (0)1 57 27 70 32 >>>>>>>>>> Fax. +33 (0)1 57 27 60 71 >>>>>>>>>> mari...@apc.univ-paris7.fr >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> 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 >>>>> >>>>> _______________________________________________ >>>>> 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 > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
