[OMPI users] btl_openib_cpc_include rdmacm questions

2011-04-20 Thread Brock Palen
We managed to have another user hit the bug that causes collectives (this time MPI_Bcast() ) to hang on IB that was fixed by setting: btl_openib_cpc_include rdmacm My question is if we set this to the default on our system with an environment variable does it introduce any performance or other

Re: [OMPI users] Need help buiding OpenMPI with Intel v12.0 compilers on Linux

2011-04-20 Thread Gus Correa
Ormiston, Scott J. wrote: At Tue, 19 Apr 2011 15:30:41 -0400, Gus Correa wrote: Is it possible that the Intel compiler environment is not set? Just in case, did you source the right Intel scripts to setup the icc, icpc, and ifort environment? Something like this (for a 64-bit machine): source

Re: [OMPI users] mpirun unsuccessful when run across multiple nodes

2011-04-20 Thread Jeff Squyres
You need to compile your cpi.c to get an executable. This is not an MPI issue. :-) Also, mpdboot is part of a different MPI implementation named MPICH; you don't need to run mpdboot with Open MPI. If you have further questions about MPICH, you'll need to ping them on their mailing list -- we

Re: [OMPI users] Need help buiding OpenMPI with Intel v12.0 compilers on Linux

2011-04-20 Thread Ormiston, Scott J.
At Tue, 19 Apr 2011 15:30:41 -0400, Gus Correa wrote: Is it possible that the Intel compiler environment is not set? Just in case, did you source the right Intel scripts to setup the icc, icpc, and ifort environment? Something like this (for a 64-bit machine): source /opt/intel/composerxe-2011

Re: [OMPI users] mpirun unsuccessful when run across multiple nodes

2011-04-20 Thread mohd naseem
folloeing error shows [mpiuser@f2 programrun]$ mpiexec -np 4 ./cpi.c problem with execution of ./cpi.c on f2: [Errno 13] Permission denied problem with execution of ./cpi.c on f2: [Errno 13] Permission denied [mpiuser@f2 programrun]$ mpdboot -n 2 -v totalnum=2 numhosts=1 there are not enoug

Re: [OMPI users] mpirun unsuccessful when run across multiple nodes

2011-04-20 Thread mohd naseem
sir i m still not able to trace all the hosts following error shows [mpiuser@f2 programrun]$ mpiexec -np 4 ./cpi.c problem with execution of ./cpi.c on f2: [Errno 13] Permission denied problem with execution of ./cpi.c on f2: [Errno 13] Permission denied On Tue, Apr 19, 2011 at 8:25 PM,