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fix(mpi): fix parameters for MPI_Isend, MPI_Irecv, and MPI_Wait #12

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fix(mpi): fix parameters for MPI_Isend, MPI_Irecv, and MPI_Wait #12

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10 changes: 5 additions & 5 deletions mpi/transpose-pairwise-omc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ static void transpose_chunks(int *sched, int n_pes, int my_pe,
buf[1] = bufs[1];
#endif
int pe = sched[0], pe2, j=0;
MPI_Status send_status, recv_status;
MPI_Request send_request, recv_request;

#ifdef AMD_MPI_TRANSPOSE_LOGS
printf("TRANSPOSE-PAIRWISE: n_pes[%d], my_pe[%d], first_pe[%d]\n", n_pes, my_pe, pe);
Expand Down Expand Up @@ -105,13 +105,13 @@ static void transpose_chunks(int *sched, int n_pes, int my_pe,
#ifdef AMD_MPI_TRANSPOSE_LOGS
printf("OVERLAP REGION:(my_pe != pe)=> my_pe[%d], i[%d]:pe[%d], src_offset[%d], dst_offset[%d], size[%d]\n", my_pe, i, pe2, sbo[pe2], rbo[pe2], sbs[pe2]);
#endif
MPI_Isend(buf[j&0x1], (int) (sbs[pe]), FFTW_MPI_TYPE, pe, (my_pe * n_pes + pe) & 0xffff, comm, &send_status);
MPI_Irecv(O + rbo[pe], (int) (rbs[pe]), FFTW_MPI_TYPE, pe, (pe * n_pes + my_pe) & 0xffff, comm, &recv_status);
MPI_Isend(buf[j&0x1], (int) (sbs[pe]), FFTW_MPI_TYPE, pe, (my_pe * n_pes + pe) & 0xffff, comm, &send_request);
MPI_Irecv(O + rbo[pe], (int) (rbs[pe]), FFTW_MPI_TYPE, pe, (pe * n_pes + my_pe) & 0xffff, comm, &recv_request);
memcpy(buf[(j+1)&0x1], O + sbo[pe2], sbs[pe2] * sizeof(R));
pe = pe2;
//barrier
MPI_Wait(&send_status, MPI_STATUS_IGNORE);
MPI_Wait(&recv_status, MPI_STATUS_IGNORE);
MPI_Wait(&send_request, MPI_STATUS_IGNORE);
MPI_Wait(&recv_request, MPI_STATUS_IGNORE);
}
j++;
}
Expand Down