+/* 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>
-#include "mc/mc_private.h"
+#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*));\
- sprintf(cont_name, "rank-%d", smpi_process_index());\
+ char cont_name[25];\
+ snprintf(cont_name,25, "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 );\
}\
}\
if(smpi_comm_rank(comm)==0){\
- XBT_WARN("For rank 0, the quickest was %s : %lf , but global was %s : %lf at max",mpi_coll_##cat##_description[min_coll].name, time_min,mpi_coll_##cat##_description[global_coll].name, max_min);\
+ XBT_WARN("For rank 0, the quickest was %s : %f , but global was %s : %f at max",mpi_coll_##cat##_description[min_coll].name, time_min,mpi_coll_##cat##_description[global_coll].name, max_min);\
}else\
- XBT_WARN("The quickest %s was %s on rank %d and took %lf",#cat,mpi_coll_##cat##_description[min_coll].name, smpi_comm_rank(comm), time_min);\
+ XBT_WARN("The quickest %s was %s on rank %d and took %f",#cat,mpi_coll_##cat##_description[min_coll].name, smpi_comm_rank(comm), time_min);\
return (min_coll!=-1)?MPI_SUCCESS:MPI_ERR_INTERN;\
}\