[mpich-discuss] error recieving

Wesley Bland wbland at mcs.anl.gov
Fri Jan 3 06:26:27 CST 2014


What error are you seeing? Is this the complete code? For instance, you never call MPI_Init or finalize here. 

> On Jan 3, 2014, at 1:35 AM, Soheil Hooshdaran <shooshdaran577 at gmail.com> wrote:
> 
> Hi.
> What's wrong with my code?
>   char send_buf[12]  = "hello world";
>   char send_buf2[12]  = "hello iran";
>   char recv_buf[10];
>   int i;
>   for(i=0;i<10;++i)
>   if (world_rank == 0) {
>     MPI_Send(send_buf, 12, MPI_CHAR, 1, 0, MPI_COMM_WORLD);
>     //MPI_Send(send_buf2, 12, MPI_INT, 1, 1, MPI_COMM_WORLD);
>   } else if (world_rank == 1) {
>     MPI_Recv(recv_buf, 12, MPI_CHAR, 0, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
>     printf("Process 1 received %s from process 0\n", recv_buf);
>   }
>   
> Run-time errors are very hard to fix!Help me please
> 
> Thanks in advance
> Soheil Hooshdaran
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