X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7934cc022e85e5f7ecb3dd0a578871ee91da751b..48404c66fc4d8248308db1d1398cb79a6763077e:/src/smpi/smpi_replay.c

diff --git a/src/smpi/smpi_replay.c b/src/smpi/smpi_replay.c
index eceb8a2dff..843129146a 100644
--- a/src/smpi/smpi_replay.c
+++ b/src/smpi/smpi_replay.c
@@ -15,7 +15,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_replay,smpi,"Trace Replay with SMPI");
 int communicator_size = 0;
 static int active_processes = 0;
 
-void log_timed_action (const char *const *action, double clock){
+static void log_timed_action (const char *const *action, double clock){
   if (XBT_LOG_ISENABLED(smpi_replay, xbt_log_priority_verbose)){
     char *name = xbt_str_join_array(action, " ");
     XBT_VERB("%s %f", name, smpi_process_simulated_elapsed()-clock);
@@ -317,6 +317,34 @@ static void action_allReduce(const char *const *action) {
 
 static void action_allToAll(const char *const *action) {
   double clock = smpi_process_simulated_elapsed();
+  double comm_size = smpi_comm_size(MPI_COMM_WORLD);
+  double send_size = parse_double(action[2]);
+  double recv_size = parse_double(action[3]);
+
+#ifdef HAVE_TRACING
+  int rank = smpi_process_index();
+  TRACE_smpi_computing_out(rank);
+  TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+
+  if (send_size < 200 && comm_size > 12) {
+    smpi_coll_tuned_alltoall_bruck(NULL, send_size, MPI_BYTE,
+                                   NULL, recv_size, MPI_BYTE,
+                                   MPI_COMM_WORLD);
+  } else if (send_size < 3000) {
+    smpi_coll_tuned_alltoall_basic_linear(NULL, send_size, MPI_BYTE,
+                                          NULL, recv_size, MPI_BYTE,
+                                          MPI_COMM_WORLD);
+  } else {
+    smpi_coll_tuned_alltoall_pairwise(NULL, send_size, MPI_BYTE,
+                                      NULL, recv_size, MPI_BYTE,
+                                      MPI_COMM_WORLD);
+  }
+
+#ifdef HAVE_TRACING
+  TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+  TRACE_smpi_computing_in(rank);
+#endif
 
   log_timed_action (action, clock);
 }