Re: [OMPI users] unresolved symbol mca_base_param_reg_int

2010-04-24 Thread Nev
On Thu, 2010-04-22 at 08:09 +1000, Nev wrote: > O > n Tue, 2010-04-20 at 20:22 -0400, Jeff Squyres wrote: > > On Apr 20, 2010, at 6:16 PM, Nev wrote: > > > > > Hi Jeff, > > > I did the install to the "same place". I always use /opt/openmpi, the > > > procedure I use when building is > > > configur

Re: [OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS

2010-04-24 Thread Fabian Hänsel
Hi Asad, I found that running the same source code on these OS, with the same versions of of gcc and open-mpi installed on them, gives different results than Fedora and Ubuntu after a few hundred iterations. The first few hundered iterations are exactly similar to that of Fedora and Ubuntu

[OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS

2010-04-24 Thread Asad Ali
Hi All, I had been using open-mpi for parallel computing on Fedora and Ubuntu and everything was going quite fine. But recently I started using other OSs such as CentOS and Debian and found a strange thing regarding mpi. I found that running the same source code on these OS, with the same versions

Re: [OMPI users] Dynamic processes connection and segfault on MPI_Comm_accept

2010-04-24 Thread Ralph Castain
Actually, OMPI is distributed with a daemon that does pretty much what you want. Checkout "man ompi-server". I originally wrote that code to support cross-application MPI publish/subscribe operations, but we can utilize it here too. Have to blame me for not making it more publicly known.The attache

Re: [OMPI users] Dynamic processes connection and segfault on MPI_Comm_accept

2010-04-24 Thread Krzysztof Zarzycki
Hi Ralph, I'm Krzysztof and I'm working with Grzegorz Maj on this our small project/experiment. We definitely would like to give your patch a try. But could you please explain your solution a little more? You still would like to start one mpirun per mpi grid, and then have processes started by us