You need to use disp[] < MPI_Scatterv(&a, rcounts, 0, MPI_INT, &b, 100, MPI_INT, 0, MPI_COMM_WORLD); ---

MPI_Scatterv(&a, rcounts, disp, MPI_INT, &b, 100, MPI_INT, 0,

MPI_COMM_WORLD); --Junchao Zhang On Wed, Nov 12, 2014 at 5:23 AM, Chafik sanaa <[email protected]> wrote:

when i running the following program, i have this error (Exception non gérée à 0x00B54BE2 (mpich2nemesis.dll) dans samedi1.exe : 0xC0000005 : Violation d'accès lors de la lecture de l'emplacement 0x00000000.) program : #include <stdio.h> #include "mpi.h"

int main(int argc, char *argv[]) {

int a[8] = { 1, 2, 3, 4, 5, 6, 7, 8 }; int rcounts[4] = { 2, 2, 2, 2 }; int disp[4] = { 0, 2, 4, 6 }; int b[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; int procid; MPI_Init(&argc, &argv); MPI_Comm_rank(MPI_COMM_WORLD, &procid); MPI_Scatterv(&a, rcounts, 0, MPI_INT, &b, 100, MPI_INT, 0, MPI_COMM_WORLD); printf("%d", b[0]); printf("sanaa"); MPI_Finalize(); return 0; }

_______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss

_______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss