MPI_Comm comm)
{
int retval = MPI_SUCCESS;
+ int rank = smpi_mpi_comm_rank(comm);
+
+ DEBUG1("<%d> entered smpi_mpi_bcast(). Calls nary_tree_bcast()",rank);
//retval = flat_tree_bcast(buf, count, datatype, root, comm);
retval = nary_tree_bcast(buf, count, datatype, root, comm, 2 );
return retval;
int rank;
int size;
int i;
- int tag = 0;
+ int system_tag = 666;
smpi_mpi_request_t *requests;
smpi_mpi_request_t request;
rank = smpi_mpi_comm_rank(comm);
size = comm->size;
+ DEBUG1("<%d> entered smpi_mpi_reduce()",rank);
if (rank != root) { // if i am not ROOT, simply send my buffer to root
#ifdef DEBUG_REDUCE
print_buffer_int(sendbuf, count, xbt_strdup("sndbuf"), rank);
#endif
- retval = smpi_create_request(sendbuf, count, datatype, rank, root, tag, comm,
+ retval = smpi_create_request(sendbuf, count, datatype, rank, root, system_tag, comm,
&request);
smpi_mpi_isend(request);
smpi_mpi_wait(request, MPI_STATUS_IGNORE);
// reminder: for smpi_create_request() the src is always the process sending.
src = i < root ? i : i + 1;
retval = smpi_create_request(tmpbufs[i], count, datatype,
- src, root, tag, comm, &(requests[i]));
+ src, root, system_tag, comm, &(requests[i]));
if (NULL != requests[i] && MPI_SUCCESS == retval) {
if (MPI_SUCCESS == retval) {
smpi_mpi_irecv(requests[i]);
for (i = 0; i < size-1; i++) {
int index = MPI_UNDEFINED;
smpi_mpi_waitany( size-1, requests, &index, MPI_STATUS_IGNORE);
+ DEBUG3("<%d> waitany() unblocked by reception (completes request[%d]) (%d reqs remaining)",
+ rank,index,size-i-2);
#ifdef DEBUG_REDUCE
- printf ("MPI_Waitany() unblocked: root received (completes req[index=%d])\n",index);
print_buffer_int(tmpbufs[index], count, bprintf("tmpbufs[index=%d] (value received)", index),
rank);
#endif
rank = smpi_mpi_comm_rank(comm);
block_dsize = datatype->size * sendcount;
- INFO2("[%d] optimized alltoall() called. Block size sent to each rank=%d.\n",rank,block_dsize);
+ DEBUG2("<%d> optimized alltoall() called. Block size sent to each rank: %d bytes.",rank,block_dsize);
if ((block_dsize < 200) && (comm->size > 12)) {
retval = smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, datatype,