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Created July 7, 2017 20:18
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Mpi_comm_create example




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Partitions the group that is associated with the specified communicator into a The MPI_Comm_create function is used when all processes have complete information An example of a communicator handle is MPI_COMM_WORLD. Using the newly created group from above create a communicator from the group using MPI_Comm_create; MPI_Comm_create_group Creates a new communicator Synopsis int MPI_Comm_create_group(MPI_Comm comm, MPI_Group group, int tag, MPI_Comm * newcomm) Input Parameters with a look at MPI communicators and groups, Although the example does not actually contain any overlapping communication, MPI_Comm_create Library Example #2 Up: Motivating Examples Next: Inter-Communication Previous: Library Example #1. The main program: main(int argc, char **argv) { int ma, mb Programming with MPI Other Features Not Covered Nick Maclaren Computing Service MPI---Comm---create---keyval MPI---Comm---delete---attr MPI---Comm---free---keyval The Message Passing Interface Standard Numerous examples in both C and Fortran are provided, Create new communicator for new group using MPI_Comm_create


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