[OMPI users] how MPI_Get can work with multiple memory regions attached to a window via MPI_Win_attach

Hi, In http://www.mpich.org/static/docs/v3.1/www3/MPI_Win_attach.html, for MPI 3, The API MPI_Win_attach is supported : int MPI_Win_attach(MPI_Win win, void *base, MPI_Aint size) It allows multiple (but non-overlapping) memory regions to be attached to the same window, after the window

[OMPI users] openib component not available

Hi, I am trying to setup openmpi 1.8.1 on a system with infiniband. The configure option I am using is ./configure --enable-mpi-thread-multiple After installation, it is not showing any openib BTL component when I use the command: 'ompi_info --param btl openib' On the same machine, I have

[OMPI users] Hamster

Hi, I came across Hamster while reading some article on Hadoop + OpenMPI please let me know if the sources of Hamster are available for build and testing. -- Lokah samasta sukhinobhavanthu Thanks, Madhurima

[OMPI users] Segmentation Fault

Hi, Iam trying to link the jumpshot libraries with the graph500 (mpi_tuned_2d sources). After linkin the libraries and executing mpirun with the graph500_mpi_custome_n binaries Iam getting the following segmenation fault. I have no clue as to where the issue is. When I dont link the jumpshot libra

[OMPI users] OpenMpi-java Examples

hi, Iam new to OpenMPI. I have installed the java bindings of OpenMPI and running some samples in the cluster. iam interested in some samples using THREAD_SERIALIZED and THREAD_FUNNLED fields in OpenMPI. please provide me some samples. -- Lokah samasta sukhinobhavanthu Thanks, Madhurima