Re: [OMPI users] tcp communication problems with 1.4.3 and 1.4.4 rc2 on FreeBSD

2011-07-07 Thread Jeff Squyres
Are you able to run simple MPI applications with 1.4.3 or 1.4.4 on your OS? E.g., the "ring_c" program in the example/ directory? This might be a good test to see if OMPI's TCP is working at all. Assuming that works... Have you tried attaching debuggers to see where your process is hanging?

Re: [OMPI users] OpenMPI with NAG compiler and gcc 4.6

2011-07-07 Thread Jeff Squyres
Sorry for the delay in replying. :-\ I'm afraid we don't test with the NAG compiler. :-( Would this be something that the NAG would be willing to do for the Open MPI community? Companies like Absoft do -- we have a light test suite that can be fully automated (i.e., run via cron). Ping me o

Re: [OMPI users] Mixed Mellanox and Qlogic problems

2011-07-07 Thread Jeff Squyres
Huh; wonky. Can you set the MCA parameter "mpi_abort_delay" to -1 and run your job again? This will prevent all the processes from dying when MPI_ABORT is invoked. Then attach a debugger to one of the still-live processes after the error message is printed. Can you send the stack trace? It

Re: [OMPI users] InfiniBand, different OpenFabrics transport types

2011-07-07 Thread Jeff Squyres
On Jun 28, 2011, at 1:46 PM, Bill Johnstone wrote: > I have a heterogeneous network of InfiniBand-equipped hosts which are all > connected to the same backbone switch, an older SDR 10 Gb/s unit. > > One set of nodes uses the Mellanox "ib_mthca" driver, while the other uses > the "mlx4" driver.

Re: [OMPI users] Open-MPI maffinity policy

2011-07-07 Thread Jeff Squyres
On Jul 7, 2011, at 5:59 PM, Qasim Ali wrote: > Hi Jeff, > > Thanks for following up. I have a question to clear things. > > 1. If I do not specify any affinity in mpirun, what memory allocation policy > is used by default? None. > a. When it is not compiled with libnuma > b. when compiled wi

Re: [OMPI users] Anyone with Visual Studio + MPI Experience

2011-07-07 Thread Prentice Bisbal
Miguel, Thanks for the assistance. I don't have the MPI options you spoke of, so I figured that might have been part of the HPC Pack. I found a couple of web pages that helped me make progress. I'm not 100% there, but I'm much closer, say 85% of the way there. Now I can get an Fortran+MPI program

Re: [OMPI users] Anyone with Visual Studio + MPI Experience

2011-07-07 Thread Miguel Vargas Felix
Prentice, I didn't have to install the HPC Pack, as far as I know it is only needed when you want to develop/debug in a cluster. I'm sorry I can't help you with VS 2010 (I hated it, I switched back to VS 2008), but the instructions to configure VS 2010 seems to be similar, check the MPICH2 guide f

Re: [OMPI users] Error using hostfile

2011-07-07 Thread Reuti
Hi, Am 07.07.2011 um 01:09 schrieb Mohan, Ashwin: > I use the following command (mpirun --prefix /usr/local/openmpi1.4.3 -np 4 > hello) to successfully execute a simple hello world command on a single node. > Each node has 4 slots. Following the successful execution on one node, I > wish to

Re: [OMPI users] a question about mpirun

2011-07-07 Thread jody
Hi It seems that you have mixed an "old" LAM-MPI installation with OpenMPI. To make sure your OpenMPI installation is ok you could try to use the complete path to mpirun: /data1/cluster/openmpi/bin/mpirun -np 1 /tmp/openmpi-1.4.3/examples/ring_c You should also make sure that the compile-com

[OMPI users] a question about mpirun

2011-07-07 Thread zhuangchao
hello all : I installed the openmpi-1.4.3 on redhat as the following step : 1. ./configure --prefix=/data1/cluster/openmpi 2. make 3. make install And I compiled the examples of openmpi-1.4.3 as the following step : 1. make