dopiotr wrote:
> Hello Group,
>
> int Msg[size];
> MPI_Send(Msg, size, MPI_INT, DEST, TAG, MPI_COMM_WORLD);
> this is working fine.
>
> But how to send Msg declared like this:
> int *Msg=(int*)malloc(sizeof(int)*size);

Have you included <stdlib.h>? We recommend dropping the cast, and write
this:

int *Msg = malloc(sizeof(int)*size);

> It gives me
> p4_error: interrupt SIGSEGV: 11
> not_send: could not write to fd=4, errno = 32

MPI related questions are off-topic here, try

comp.parallel.mpi


--
Tor <torust [at] online [dot] no>

"Technical skill is mastery of complexity, while creativity is mastery
of simplicity"