[SMPI] Remove now unused datastructure in PMPI_Waitany

[simgrid.git] / src / smpi / bindings / smpi_pmpi_request.cpp

diff --git a/src/smpi/bindings/smpi_pmpi_request.cpp b/src/smpi/bindings/smpi_pmpi_request.cpp
index 4b113d6..84a929d 100644 (file)
--- a/src/smpi/bindings/smpi_pmpi_request.cpp
+++ b/src/smpi/bindings/smpi_pmpi_request.cpp
@@ -595,41 +595,27 @@ int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * sta
     return MPI_SUCCESS;
 
   smpi_bench_end();
-  //save requests information for tracing
-  struct savedvalstype {
-    int src;
-    int dst;
-    int recv;
-    int tag;
-    MPI_Comm comm;
-  };
-  savedvalstype* savedvals = xbt_new0(savedvalstype, count);
 
-  for (int i = 0; i < count; i++) {
-    MPI_Request req = requests[i];      //already received requests are no longer valid
-    if (req) {
-      savedvals[i]=(savedvalstype){req->src(), req->dst(), (req->flags() & RECV), req->tag(), req->comm()};
-    }
-  }
   int rank_traced = smpi_process()->index();
   TRACE_smpi_comm_in(rank_traced, __FUNCTION__, new simgrid::instr::CpuTIData("waitAny", static_cast<double>(count)));
 
   *index = simgrid::smpi::Request::waitany(count, requests, status);
 
   if(*index!=MPI_UNDEFINED){
-    int src_traced = savedvals[*index].src;
-    //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
-    int dst_traced = savedvals[*index].dst;
-    int is_wait_for_receive = savedvals[*index].recv;
-    if (is_wait_for_receive) {
-      if(savedvals[*index].src==MPI_ANY_SOURCE)
-        src_traced = (status != MPI_STATUSES_IGNORE) ? savedvals[*index].comm->group()->rank(status->MPI_SOURCE)
-                                                     : savedvals[*index].src;
-      TRACE_smpi_recv(src_traced, dst_traced, savedvals[*index].tag);
+    MPI_Request req = requests[*index];
+    if (req != nullptr) { // Requests that were already received will be a nullptr
+      int src_traced = req->src();
+      // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
+      int dst_traced          = req->dst();
+      int is_wait_for_receive = req->flags() & RECV;
+      if (is_wait_for_receive) {
+        if (req->src() == MPI_ANY_SOURCE)
+          src_traced = (status != MPI_STATUSES_IGNORE) ? req->comm()->group()->rank(status->MPI_SOURCE) : req->src();
+        TRACE_smpi_recv(src_traced, dst_traced, req->tag());
+      }
     }
     TRACE_smpi_comm_out(rank_traced);
   }
-  xbt_free(savedvals);
 
   smpi_bench_begin();
   return MPI_SUCCESS;