X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cb05f84d25f0add3d49c67083991f650bc6c28b1..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 083096ca08..72c62a7149 100644 --- a/src/smpi/colls/smpi_automatic_selector.c +++ b/src/smpi/colls/smpi_automatic_selector.c @@ -1,33 +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 +#ifdef HAVE_MC #include "mc/mc_private.h" +#endif +#include //attempt to do a quick autotuning version of the collective, -#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;\ - 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);\ - if (TRACE_is_enabled()){\ +#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);\ - }\ + } + + +#define AUTOMATIC_COLL_BENCH(cat, ret, args, args2)\ + ret smpi_coll_tuned_ ## cat ## _ ## automatic(COLL_UNPAREN args)\ +{\ + 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 );\ @@ -43,9 +61,9 @@ }\ }\ 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;\ }\