- CHECK_ACTION_PARAMS(action, 0, 0)
- double clock = smpi_process()->simulated_elapsed();
- MPI_Status status;
-
- MPI_Request request = get_reqq_self()->back();
- get_reqq_self()->pop_back();
- //if request is null here, this may mean that a previous test has succeeded
- //Different times in traced application and replayed version may lead to this
- //In this case, ignore the extra calls.
- if(request!=nullptr){
- int my_proc_id = Actor::self()->getPid();
- TRACE_smpi_testing_in(my_proc_id);
-
- int flag = Request::test(&request, &status);
-
- XBT_DEBUG("MPI_Test result: %d", flag);
- /* push back request in vector to be caught by a subsequent wait. if the test did succeed, the request is now nullptr.*/
- get_reqq_self()->push_back(request);
-
- TRACE_smpi_testing_out(my_proc_id);
- }
- log_timed_action (action, clock);
-}
-
-static void action_wait(const char *const *action){
- CHECK_ACTION_PARAMS(action, 0, 0)
- double clock = smpi_process()->simulated_elapsed();
- MPI_Status status;
-
- xbt_assert(get_reqq_self()->size(), "action wait not preceded by any irecv or isend: %s",
- xbt_str_join_array(action," "));
- MPI_Request request = get_reqq_self()->back();
- get_reqq_self()->pop_back();
-
- if (request==nullptr){
- /* Assume that the trace is well formed, meaning the comm might have been caught by a MPI_test. Then just return.*/
- return;
- }
-
- int rank = request->comm() != MPI_COMM_NULL ? request->comm()->rank() : -1;
-
- MPI_Group group = request->comm()->group();
- int src_traced = group->rank(request->src());
- int dst_traced = group->rank(request->dst());
- int is_wait_for_receive = (request->flags() & RECV);
- TRACE_smpi_comm_in(rank, __FUNCTION__, new simgrid::instr::NoOpTIData("wait"));
-
- Request::wait(&request, &status);
-
- TRACE_smpi_comm_out(rank);
- if (is_wait_for_receive)
- TRACE_smpi_recv(src_traced, dst_traced, 0);
- log_timed_action (action, clock);
-}
-
-static void action_waitall(const char *const *action){
- CHECK_ACTION_PARAMS(action, 0, 0)
- double clock = smpi_process()->simulated_elapsed();
- const unsigned int count_requests = get_reqq_self()->size();
-
- if (count_requests>0) {
- MPI_Status status[count_requests];
-
- int my_proc_id_traced = Actor::self()->getPid();
- TRACE_smpi_comm_in(my_proc_id_traced, __FUNCTION__,
- new simgrid::instr::Pt2PtTIData("waitAll", -1, count_requests, ""));
- int recvs_snd[count_requests];
- int recvs_rcv[count_requests];
- for (unsigned int i = 0; i < count_requests; i++) {
- const auto& req = (*get_reqq_self())[i];
- if (req && (req->flags() & RECV)) {
- recvs_snd[i] = req->src();
- recvs_rcv[i] = req->dst();
- } else
- recvs_snd[i] = -100;
- }
- Request::waitall(count_requests, &(*get_reqq_self())[0], status);
-
- for (unsigned i = 0; i < count_requests; i++) {
- if (recvs_snd[i]!=-100)
- TRACE_smpi_recv(recvs_snd[i], recvs_rcv[i],0);
- }
- TRACE_smpi_comm_out(my_proc_id_traced);
- }
- log_timed_action (action, clock);
-}
-
-static void action_barrier(const char *const *action){
- double clock = smpi_process()->simulated_elapsed();
- int my_proc_id = Actor::self()->getPid();
- TRACE_smpi_comm_in(my_proc_id, __FUNCTION__, new simgrid::instr::NoOpTIData("barrier"));
-
- Colls::barrier(MPI_COMM_WORLD);
-
- TRACE_smpi_comm_out(my_proc_id);
- log_timed_action (action, clock);