Tutorial by Examples

Master process spawns two worker processes and scatters sendbuf to workers. master.c #include "mpi.h" int main(int argc, char *argv[]) { int n_spawns = 2; MPI_Comm intercomm; MPI_Init(&argc, &argv); MPI_Comm_spawn("worker_program", MPI_ARGV_NULL...

Master process spawns server and client applications with a single process for each application. Server opens a port and client connects to that port. Then client sends data to server with MPI_Send to verify that the connection is established. master.c #include "mpi.h" int main(int ar...