[OMPI users] Infiniband performance Problem and stalling

I have a test rig comprising 2 i7 systems with Melanox III HCA 10G cards running Centos 5.7 Kernel 2.6.18-274 Open MPI 1.4.3 MLNX_OFED_LINUX-1.5.3-1.0.0.2 (OFED-1.5.3-1.0.0.2): On a Cisco 24 pt switch Normal performance is: $ mpirun --mca btl openib,self -n 2 -hostfile mpi.hosts  PingPong results

Re: [OMPI users] PG compilers and OpenMPI 1.6.1

Thanks for getting this in so quickly. Yes, the nightly tarball from Aug 25 (a1r27142), seems to get through a configure and make stage at least. Thanks, Lloyd Brown Systems Administrator Fulton Supercomputing Lab Brigham Young University http://marylou.byu.edu On 08/25/2012 05:18 AM, Jeff Squy

Re: [OMPI users] ORTE_ERROR: orte_ess_base_open failed

Did you install Open MPI on a network share, or is it installed locally on each machine? If you installed it locally on each machine, you may want to double check your installation on AV8 to ensure it was installed correctly. Also, you might want to double check that Open MPI is available at th

Re: [OMPI users] error compiling openmpi-1.6.1 on Windows 7

Hi, thank you very much for your reply. I compiled and installed openmpi-1.6.1. Unfortunately I cannot compile programs because "mpicc" uses wrong path names. I have set an environment for openmpi-1.6.1 as you can see from the following output. D:\...prog\mpi\small_prog>set | c:\cygwin\bin\grep o

Re: [OMPI users] error compiling openmpi-1.6.1 on Windows 7

Hi Siegmar, I didn't have this problem when building the binary release. But to solve the problem is very easy. You can just open \openmpi-1.6.1\ompi\mca\osc\rdma\osc_rdma_data_move.c, and go to line 1099, change "void*" to "void**". This will get rid of the error. For the warnings, they are

[OMPI users] gcc problem compiling openmpi-1.6.1 on Solaris 10 sparc

Hi, we have installed the latest patches on our Solaris machines and I have a problem compiling openmpi-1.6.1 with gcc-4.6.2. I used the following commands. mkdir openmpi-1.6.1-${SYSTEM_ENV}.${MACHINE_ENV}.64_gcc cd openmpi-1.6.1-${SYSTEM_ENV}.${MACHINE_ENV}.64_gcc ../openmpi-1.6.1/configure --p

[OMPI users] Sun cc problem compiling openmpi-1.6.1 on Solaris 10 sparc

Hi, we have installed the latest patches on our Solaris machines and I have a problem compiling openmpi-1.6.1 with Sun C 5.12. I used the following commands. mkdir openmpi-1.6.1-${SYSTEM_ENV}.${MACHINE_ENV}.64_cc cd openmpi-1.6.1-${SYSTEM_ENV}.${MACHINE_ENV}.64_cc ../openmpi-1.6.1/configure --pr

[OMPI users] error compiling openmpi-1.6.1 on Windows 7

Hi, I tried to compile openmpi-1.6.1 with CMake-2.8.3 and Visual Studio 2010 on Windows 7. All service packs and patches from Microsoft are installed. I changed the following options: CMAKE_BUILD_TYPE: "Debug" modified to "Release" CMAKE_INSTALL_PREFIX: modified to "c:/Program Files (x86)/openmp