Re: [OMPI users] selectively bind MPI to one HCA out of available ones

2009-07-15 Thread Rolf Vandevaart
) INDIA (O) +91-20-6620 9863 (Fax) +91-20-6620 9862 M: +91.9225520634 *Ralph Castain * Sent by: users-boun...@open-mpi.org 07/15/2009 06:54 PM Please respond to Open MPI Users To Open MPI Users cc Subject Re: [OMPI users] selectively bind MPI to one HCA out of available

Re: [OMPI users] selectively bind MPI to one HCA out of available ones

2009-07-15 Thread Lenny Verkhovsky
Make sure you have Open MPI 1.3 series, I dont think the if_include param is not avaliable in 1.2 series. max btls controls fragmentation and load balancing over similar BTLS ( example using LMC > 0, or 2 ports connected to 1 network ) you need if_include param On Wed, Jul 15, 2009 at 4:20 PM,

Re: [OMPI users] selectively bind MPI to one HCA out of available ones

2009-07-15 Thread neeraj
Bapat Road Pune 411016 (Mah) INDIA (O) +91-20-6620 9863 (Fax) +91-20-6620 9862 M: +91.9225520634 Ralph Castain Sent by: users-boun...@open-mpi.org 07/15/2009 06:54 PM Please respond to Open MPI Users To Open MPI Users cc Subject Re: [OMPI users] selectively bind MPI to one HCA out of

Re: [OMPI users] selectively bind MPI to one HCA out of available ones

2009-07-15 Thread Ralph Castain
Take a look at the output from "ompi_info --params btl openib" and you will see the available MCA params to direct the openib subsystem. I believe you will find that you can indeed specify the interface. On Wed, Jul 15, 2009 at 7:15 AM, wrote: > > Hi all, > > I have a cluster where both

[OMPI users] selectively bind MPI to one HCA out of available ones

2009-07-15 Thread neeraj
Hi all, I have a cluster where both HCA's of blade are active, but connected to different subnet. Is there an option in MPI to select one HCA out of available one's? I know it can be done by making changes in openmpi code, but i need clean interface like option during mpi launch