[OMPI users] OSU_latency_mt is failing

2011-12-06 Thread bhimesh akula
Hi, I tried execute the Osu_latency_mt as mentioned below First build the openmpi with Multi-threaded support as Osu_latency_mt needed > [root@localhost openmpi-1.4.3]# ./configure --with-threads=posix --enable-mpi-threads > make && make install > [root@localhost openmpi-1.4.3]# mpirun --pref

[OMPI users] Graph 500 execution time was increased by up to 11-fold over MPI

2011-11-03 Thread bhimesh akula
Hi, we have done with testing OFED stack by using openmpi but still want to check OFED stack with GRAPH 500.I heard about Graph 500 benchmark test but don't have enough information on net regarding,how to use it.I posted here as it was a hope that MPI people know about these. Please can u sugge

[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] query regarding Open fabrics connections

2011-09-08 Thread bhimesh akula
Hi, while running MPI cases,option btl_openib_cpc_include used to select the connection manager.MPI provides three types connection managers 1)OOB 2)XOOB 3)RDMA_CM,but we try to use ib_cm as connection manager but failed.Is it possible?if so,can u explain me the procedure. Thanks & regards, Punya

Re: [OMPI users] I want to check our own modified Ofed stack with MPI application

2011-09-06 Thread bhimesh akula
t; my_mpi_application > > openib = OFED-based transport (for MPI procs on remote servers) > sm = shared memory-based transport (for MPI procs on the same server) > self = process loopback > > That should be enough to get you going; good luck. > > > > On Sep 2, 2011, at

[OMPI users] I want to check our own modified Ofed stack with MPI application

2011-09-02 Thread bhimesh akula
Hi , We developed new OFED stack as for our requirements to our new product.Now it is needed to check the functionality of new OFED stack using MPI,used multi node setup to check this stack.But problem is we are not having no idea how to use OPEN-MPI tool to check our stack.I went through this sit