Displaying 2 results from an estimated 2 matches for "mpi_gather".
2003 Dec 01
2
help with random numbers and Rmpi
...ses, &rank);
init_sprng()
rand = sprng();
free.sprng()
randarray = (double *)malloc(sizeof(double)*size);
/*Gather random numbers from all C slave processes*/
/* Using randarray doesn't make sense since this should correspond
to the rdata vector in the R master process */
MPI_GAther(&rand, 1, 1, MPI_DOUBLE, randarray, 1, MPI_DOUBLE, 0, all_processes);
/*All done*/
MPI_Comm_free(&all_processes);
MPI_Finalize();
exit(0);
}
2012 Jul 05
1
trouble installing Rmpi on a debian machine
...#39;datatype' undeclared (first use in this function)
Rmpi.c:224: error: 'MPI_Datatype' undeclared (first use in this function)
Rmpi.c:224: error: expected expression before ')' token
Rmpi.c:224: error: expected ';' before 'R_chk_realloc'
Rmpi.c: In function 'mpi_gather':
Rmpi.c:241: warning: implicit declaration of function 'MPI_Gather'
Rmpi.c:241: error: 'MPI_INT' undeclared (first use in this function)
Rmpi.c:242: error: 'comm' undeclared (first use in this function)
Rmpi.c:246: error: 'MPI_DOUBLE' undeclared (first use in th...