[OMPI users] Problem with MPI_Intercomm_create

2011-06-01 Thread Frédéric Feyel
Hello, I have a problem using MPI_Intercomm_create. I 5 tasks, let's say T0, T1, T2, T3, T4 resulting from two spawn operations by T0. So I have two intra-communicator : intra0 contains : T0, T1, T2 intra1 contains : T0, T3, T4 my goal is to make a collective loop to build a single intra-commu

[OMPI users] Fwd: Re: Re: Sorry! You were supposed to get help about: But couldn't open help-orterun.txt

2011-06-01 Thread Shiqing Fan
Hi, I tried to send reply, but it seems the email never got delivered. Don't know why :-( . sorry about that. Let me just try again. Regards, Shiqing Original Message Subject: Re: Re: [OMPI users] Sorry! You were supposed to get help about: But couldn't open help-orterun.

[OMPI users] Regarding OpenMPI

2011-06-01 Thread Bhargava Ramu Kavati
Hi, I am trying to run MPI applications using OpenMPI in OFED Cluster (over IB). I am trying to find whether OpenMPI supports a transport interface which is based on libibverbs layer in OFED (I mean, which does not use connection manager in OFED) ? Thanks you in advance. Thanks & Regards, Ramu

Re: [OMPI users] Regarding OpenMPI

2011-06-01 Thread Jeff Squyres
On Jun 1, 2011, at 8:49 AM, Bhargava Ramu Kavati wrote: > I am trying to run MPI applications using OpenMPI in OFED Cluster (over IB). > I am trying to find whether OpenMPI supports a transport interface which is > based on libibverbs layer in OFED (I mean, which does not use connection > mana

Re: [OMPI users] Regarding OpenMPI

2011-06-01 Thread Bhargava Ramu Kavati
Hi Jeff, Thank you for your quick response. I have another query, whether OpenMPI depends on Subnet manager/Subnet administration components of OFED ? (I mean, does OpenMPI require any services from Subnet manager/Subnet administration components in OFED without which it cannot run?) Thanks & Rega