[OMPI users] MPI_Allreduce for MPI_INTEGER8 in 1.5.1?

2011-01-24 Thread Harald Anlauf
Hi, MPI_Allreduce works for me with MPI_INTEGER8 for all OpenMPI versions up to 1.4.3. However, with OpenMPI 1.5.1 I get a failure at runtime: [proton:23642] *** An error occurred in MPI_Allreduce: the reduction operation MPI_SUM is not defined on the MPI_INTEGER8 datatype [proton:23642] *** on

Re: [OMPI users] bash: orted: ... / Kedar Soparkar

2011-01-24 Thread Jeff Squyres
Is that what it reports on the remote node? I am guessing you are just using ssh to launch remotely -- try this: ssh othernode env | grep PATH Ensure that the answer you get back is what you expect. Sometime shell startup files do different things if they're invoked interactively vs.

Re: [OMPI users] bash: orted: ... / Kedar Soparkar

2011-01-24 Thread Kedar Soparkar
The exact contents of the environment variables as reported by 'env' are: PATH=/usr/lib/qt-3.3/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/lib/ccache:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/lib/openmpi/bin:/home/mpiuser/bin LD_LIBRARY_PATH=/usr/lib/openmpi/lib Am I

Re: [OMPI users] Problem with running MPI programs on machines with multiple interfaces

2011-01-24 Thread Avinash Malik
Hello, Please don't worry about this for now, the problem stems from iptable rules. But, I still think putting usb0 into the reject list should disable the ip-address associated with it. Regards, > "Avinash" == Avinash Malik writes:

[OMPI users] Problem with running MPI programs on machines with multiple interfaces

2011-01-24 Thread Avinash Malik
Hello, I have two mahcines each having 3 live interfaces: lo, eth0 (interanet) and usb0 (internet). eth0 cannot access usb0 on the other machine (and vice-veras). Now, when I try to run the MPI program with these two hosts I cannot get any output, even --mca

[OMPI users] Are there limitations on MPI_Alloc_mem?

2011-01-24 Thread Staffan Ronnas
Hello, I am working on a distributed array data structure built on top of the one-sided communication primitives MPI_Get and MPI_Put in MPI-2. I use passive target synchronization (MPI_Win_{lock,unlock}) in order to access remote entries in the array without requiring the involvement of the

Re: [OMPI users] bash: orted: command not found despite env vars being set

2011-01-24 Thread Reuti
Am 24.01.2011 um 11:47 schrieb Kedar Soparkar: > I'm trying to setup a small cluster of 2 nodes. > > Both nodes are running Fedora 11 Kernel 2.6.29.4, have the same user > mpiuser with the same password. Both of them have their env vars set > as follows in /etc/profile itself: This is syntax

Re: [OMPI users] memory consumption on rank 0 and btl_openib_receive_queues use

2011-01-24 Thread Eloi Gaudry
hi folks, sorry to insist, i'll be glad if someone could point out the relevant piece of info I missed. these huge memory consumption cannot be explained easily on the user side, especially since it's only seen on the master process node... thanks, éloi On 01/03/2011 09:57 AM, Eloi

[OMPI users] bash: orted: command not found despite env vars being set

2011-01-24 Thread Kedar Soparkar
I'm trying to setup a small cluster of 2 nodes. Both nodes are running Fedora 11 Kernel 2.6.29.4, have the same user mpiuser with the same password. Both of them have their env vars set as follows in /etc/profile itself: PATHusr/lib/openmpi/bin LD_LIBRARY_PATH

Re: [OMPI users] Help with some fundamentals

2011-01-24 Thread Olivier SANNIER
-Message d'origine- De : users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] De la part de Gus Correa Envoyé : vendredi 21 janvier 2011 20:37 À : Open MPI Users Objet : Re: [OMPI users] Help with some fundamentals Hi Olivier I hope this helps, Gus Correa It sure does help