}
int PMPI_Reduce(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
+{
+ return PMPI_Ireduce(sendbuf, recvbuf, count, datatype, op, root, comm, MPI_REQUEST_IGNORED);
+}
+
+int PMPI_Ireduce(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm, MPI_Request* request)
{
int retval = 0;
} else {
int rank = simgrid::s4u::this_actor::get_pid();
- TRACE_smpi_comm_in(rank, __func__,
- new simgrid::instr::CollTIData("reduce", root, 0,
+ TRACE_smpi_comm_in(rank, request==MPI_REQUEST_IGNORED ? "PMPI_Reduce":"PMPI_Ireduce",
+ new simgrid::instr::CollTIData(request==MPI_REQUEST_IGNORED ? "reduce":"ireduce", root, 0,
datatype->is_replayable() ? count : count * datatype->size(), -1,
simgrid::smpi::Datatype::encode(datatype), ""));
+ if(request == MPI_REQUEST_IGNORED)
+ simgrid::smpi::Colls::reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
+ else
+ simgrid::smpi::Colls::ireduce(sendbuf, recvbuf, count, datatype, op, root, comm, request);
- simgrid::smpi::Colls::reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
retval = MPI_SUCCESS;
TRACE_smpi_comm_out(rank);
retval = MPI_ERR_TYPE;
} else if (op == MPI_OP_NULL) {
retval = MPI_ERR_OP;
- } else if (request != MPI_REQUEST_IGNORED) {
- xbt_die("Iallreduce is not yet implemented. WIP");
- retval = MPI_ERR_ARG;
} else {
-
char* sendtmpbuf = static_cast<char*>(sendbuf);
if( sendbuf == MPI_IN_PLACE ) {
sendtmpbuf = static_cast<char*>(xbt_malloc(count*datatype->get_extent()));
datatype->is_replayable() ? count : count * datatype->size(), -1,
simgrid::smpi::Datatype::encode(datatype), ""));
-// if(request == MPI_REQUEST_IGNORED)
+ if(request == MPI_REQUEST_IGNORED)
simgrid::smpi::Colls::allreduce(sendtmpbuf, recvbuf, count, datatype, op, comm);
-// else
-// simgrid::smpi::Colls::iallreduce(sendtmpbuf, recvbuf, count, datatype, op, comm, request);
+ else
+ simgrid::smpi::Colls::iallreduce(sendtmpbuf, recvbuf, count, datatype, op, comm, request);
if( sendbuf == MPI_IN_PLACE )
xbt_free(sendtmpbuf);