Newsgroups: comp.parallel.mpi From: Alexandre Carissimi Subject: Re: --mpirun and command line arguments Organization: LMC-Laboratoire de Modelisation et Calcul Date: Mon, 01 Jun 1998 20:02:43 +0200 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <3572ECC3.95C1BC7D@imag.fr> Alexander N. Andreyev wrote: > > Hello, > > I handle command line in my MPI programs and everything works smoothly, on > all platforms (including Solaris). May be you print your argv before doing > MPI_Init ?! Usually, MPI_Init strips off all MPI-related arguments; only > after that you should handle your parameters. Please note that only process ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > with rank #0 is guaranteed to receive command line as passed, you should ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > Bcast it to other processes. Hello, Are you sure about that?? I used many times argument passing to all nodes and until now I didn't have any problem. I used MPICH, LAM, and some vendors MPI versions (SGI and IBM). May be I'm a luckly guy... and until now this problem doesn't bothers me, but I'm curious about that. Regards. ASC -- __________________________________________________________________ CARISSIMI, Alexandre Alexandre.Carissimi@imag.fr Laboratoire de Modelisation et Calcul - LMC Institut National Polytechnique de Grenoble - INPG 100, Rue des Mathematiques Fone: (33) 04.76.51.46.03 38041 - Grenoble - Cedex 9 FRANCE Fax : (33) 04.76.51.48.46 (International calls removes 0 from 04) "Le seul moteur pour gagner c'est innover" Renault (F1 - 1996) ________________________________________________________________