search for: mpi_allgather

...: http://mvapich.cse.ohio-state.edu/performance/mvapich/ud_memory.shtml - zero-copy protocol for large data transfer - shared memory communication between cores within a node - multi-core optimized collectives (MPI_Bcast, MPI_Barrier, MPI_Reduce and MPI_Allreduce) - enhanced MPI_Allgather collective - New features for OpenFabrics Gen2-IB interface - enhanced coalescing support with varying degree of coalescing - support for ConnectX adapter - support for asynchronous progress at both sender and receiver to overlap computation and communication - multi-core opt...

...undeclared (first use in this function) Rmpi.c:439: error: 'MPI_CHAR' undeclared (first use in this function) Rmpi.c:447: error: 'MPI_BYTE' undeclared (first use in this function) Rmpi.c:453: error: 'datatype' undeclared (first use in this function) Rmpi.c: In function 'mpi_allgather': Rmpi.c:478: warning: implicit declaration of function 'MPI_Allgather' Rmpi.c:478: error: 'MPI_INT' undeclared (first use in this function) Rmpi.c:479: error: 'comm' undeclared (first use in this function) Rmpi.c:483: error: 'MPI_DOUBLE' undeclared (first use in...

Hello, We have recently added a 64-bit 2 x Dual-Core Athlon server running Red Hat Enterprise Linux AS release 3 to allow for processing of large data sets (>4GB) in R. To integrate this server into our Linux cluster, I have been trying (unsuccessfully) to use Rmpi/lam-mpi to parallel process some of our scripts. While I have successfully compiled R 2.4.0 and lam-mpi 7.1.2 on this server using