X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0e9c0448c6566825b170b98ecff716b098bda10e..b3b356352e87ae00a20f737c48e19b0c8413455a:/src/smpi/colls/smpi_automatic_selector.c

diff --git a/src/smpi/colls/smpi_automatic_selector.c b/src/smpi/colls/smpi_automatic_selector.c
index a94bd31d32..72c62a7149 100644
--- a/src/smpi/colls/smpi_automatic_selector.c
+++ b/src/smpi/colls/smpi_automatic_selector.c
@@ -1,40 +1,51 @@
+/* Copyright (c) 2013-2015. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
 #include "colls_private.h"
-#include <limits.h>
+#ifdef HAVE_MC
 #include "mc/mc_private.h"
+#endif
+#include <float.h>
 
 //attempt to do a quick autotuning version of the collective,
 
-#ifdef HAVE_TRACING
 #define TRACE_AUTO_COLL(cat) if (TRACE_is_enabled()){\
         type_t type = PJ_type_get_or_null (#cat, PJ_type_get_root());\
          if (!type){\
              type=PJ_type_event_new(#cat, PJ_type_get_root());\
          }\
-         char* cont_name=malloc(25*sizeof(char*));\
+         char cont_name[25];\
          sprintf(cont_name, "rank-%d", smpi_process_index());\
          val_t value = PJ_value_get_or_new(mpi_coll_##cat##_description[i].name,"1.0 1.0 1.0", type);\
          new_pajeNewEvent (SIMIX_get_clock(), PJ_container_get(cont_name), type, value);\
       }
-#else
-#define TRACE_AUTO_COLL(cat)
-#endif
 
 
 #define AUTOMATIC_COLL_BENCH(cat, ret, args, args2)\
     ret smpi_coll_tuned_ ## cat ## _ ## automatic(COLL_UNPAREN args)\
 {\
-  double time1, time2, time_min=INT_MAX;\
-  int min_coll=-1, global_coll=-1;\
-  int i;\
-  double buf_in, buf_out, max_min=INT_MAX;\
+  double time1, time2, time_min=DBL_MAX;\
+  volatile int min_coll=-1, global_coll=-1;\
+  volatile int i;\
+  xbt_ex_t ex;\
+  double buf_in, buf_out, max_min=DBL_MAX;\
   for (i = 0; mpi_coll_##cat##_description[i].name; i++){\
       if(!strcmp(mpi_coll_##cat##_description[i].name, "automatic"))continue;\
       if(!strcmp(mpi_coll_##cat##_description[i].name, "default"))continue;\
       smpi_mpi_barrier(comm);\
       TRACE_AUTO_COLL(cat)\
       time1 = SIMIX_get_clock();\
+      TRY{\
       ((int (*) args)\
           mpi_coll_##cat##_description[i].coll) args2 ;\
+      }\
+      CATCH(ex) {\
+        xbt_ex_free(ex);\
+        continue;\
+      }\
       time2 = SIMIX_get_clock();\
       buf_out=time2-time1;\
       smpi_mpi_reduce((void*)&buf_out,(void*)&buf_in, 1, MPI_DOUBLE, MPI_MAX, 0,comm );\