Re: [OMPI users] How to run open MPI without ipoib

2011-10-13 Thread Ralph Castain
First, OMPI does -not- require you to use ipoib. With that command line, both procs will be running on remotehostip. I don't believe openib has a loopback interface, so you'll need the shared memory btl so procs co-located on a node can talk to each other. In other words, you need -mca btl sm,o

[OMPI users] How to run open MPI without ipoib

2011-10-13 Thread bhimesh akula
HI, We have multi node set up and they are back to back connected.we are trying to run open MPI without using ipoib means not using normal ethernet interface instead it has to go through our uverbs interface. This is the command i tried ... "mpirun --prefix /usr/local/ -np 2 --mca btl openib,self

[OMPI users] Running MPI apps (example apps in OpenMPI) on OFED stack without IPoIB

2011-10-13 Thread ramu
Hi, I am trying to run various MPI apps (for e.g., example apps in OpenMPI, IMB etc) on my OFED setup (two hosts with CentOS5.4 connected back to back using Mellanox infiniband hardware). I want to run these MPI apps without IPoIB i.e, using infiniband verbs. Below is the command I have tried. "

[OMPI users] Memory mapped memory

2011-10-13 Thread Gabriele Fatigati
Dear OpenMPI users and developers, is there some limitation or issues to use memory mapped memory into MPI processes? I would like to share some memory in a node without using OpenM. Thanks a lot. -- Ing. Gabriele Fatigati HPC specialist SuperComputing Applications and Innovation Department

[OMPI users] [Open MPI Announce] Open MPI 1.4.4 released

2011-10-13 Thread George Bosilca
The Open MPI Team, representing a consortium of research, academic, and industry partners, is pleased to announce the release of Open MPI version 1.4.4. This release is mainly a bug fix release over the v1.4.3 release. We strongly recommend that all users upgrade to version 1.4.4 if possible.

[OMPI users] crash with hardware virtualization

2011-10-13 Thread Philippe Gouret
Hi everyone I use OpenMPI on single a multi-cores computer to benefit of parralel computing with bioinformatics tools like: tree-ppuzzle ... (computation tools using MPI standard). Workstation's caracteristics: AMD, 64-bits, 2 processors, 4 cores by processors, Ubuntu 64 bits AMD-V hardware vir