X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ca2e418072d73461d9c4f1e39e77c9f7380eb3fd..f0c8eebff675af6278ff663ff0fc47126c9193cc:/src/smpi/colls/smpi_automatic_selector.cpp diff --git a/src/smpi/colls/smpi_automatic_selector.cpp b/src/smpi/colls/smpi_automatic_selector.cpp index f6e5240ffc..e4ed65a6b2 100644 --- a/src/smpi/colls/smpi_automatic_selector.cpp +++ b/src/smpi/colls/smpi_automatic_selector.cpp @@ -1,70 +1,77 @@ -/* Copyright (c) 2013-2015. The SimGrid Team. +/* Copyright (c) 2013-2017. 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 +#include #include #include "colls_private.h" +#include "smpi_process.hpp" -//attempt to do a quick autotuning version of the collective, -#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[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);\ - } +//attempt to do a quick autotuning version of the collective, +#define TRACE_AUTO_COLL(cat) \ + if (TRACE_is_enabled()) { \ + type_t type = Type::getOrNull(#cat, PJ_type_get_root()); \ + if (not type) { \ + type = Type::eventNew(#cat, PJ_type_get_root()); \ + } \ + char cont_name[25]; \ + snprintf(cont_name, 25, "rank-%d", smpi_process()->index()); \ + value* val = value::get_or_new(Colls::mpi_coll_##cat##_description[i].name, "1.0 1.0 1.0", type); \ + new NewEvent(SIMIX_get_clock(), PJ_container_get(cont_name), type, val); \ + } -#define AUTOMATIC_COLL_BENCH(cat, ret, args, args2)\ - ret smpi_coll_tuned_ ## cat ## _ ## automatic(COLL_UNPAREN args)\ -{\ - double time1, time2, time_min=DBL_MAX;\ - int min_coll=-1, global_coll=-1;\ - int i;\ - 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 (std::exception& 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(time2-time1rank()==0){\ - if(buf_inrank()==0){\ - 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 %f",#cat,mpi_coll_##cat##_description[min_coll].name, comm->rank(), time_min);\ - return (min_coll!=-1)?MPI_SUCCESS:MPI_ERR_INTERN;\ -}\ +#define AUTOMATIC_COLL_BENCH(cat, ret, args, args2) \ + ret Coll_##cat##_automatic::cat(COLL_UNPAREN args) \ + { \ + double time1, time2, time_min = DBL_MAX; \ + int min_coll = -1, global_coll = -1; \ + int i; \ + double buf_in, buf_out, max_min = DBL_MAX; \ + for (i = 0; Colls::mpi_coll_##cat##_description[i].name; i++) { \ + if (not strcmp(Colls::mpi_coll_##cat##_description[i].name, "automatic")) \ + continue; \ + if (not strcmp(Colls::mpi_coll_##cat##_description[i].name, "default")) \ + continue; \ + Coll_barrier_default::barrier(comm); \ + TRACE_AUTO_COLL(cat) \ + time1 = SIMIX_get_clock(); \ + try { \ + ((int(*) args)Colls::mpi_coll_##cat##_description[i].coll) args2; \ + } catch (std::exception & ex) { \ + continue; \ + } \ + time2 = SIMIX_get_clock(); \ + buf_out = time2 - time1; \ + Coll_reduce_default::reduce((void*)&buf_out, (void*)&buf_in, 1, MPI_DOUBLE, MPI_MAX, 0, comm); \ + if (time2 - time1 < time_min) { \ + min_coll = i; \ + time_min = time2 - time1; \ + } \ + if (comm->rank() == 0) { \ + if (buf_in < max_min) { \ + max_min = buf_in; \ + global_coll = i; \ + } \ + } \ + } \ + if (comm->rank() == 0) { \ + XBT_WARN("For rank 0, the quickest was %s : %f , but global was %s : %f at max", \ + Colls::mpi_coll_##cat##_description[min_coll].name, time_min, \ + Colls::mpi_coll_##cat##_description[global_coll].name, max_min); \ + } else \ + XBT_WARN("The quickest %s was %s on rank %d and took %f", #cat, \ + Colls::mpi_coll_##cat##_description[min_coll].name, comm->rank(), time_min); \ + return (min_coll != -1) ? MPI_SUCCESS : MPI_ERR_INTERN; \ + } +namespace simgrid{ +namespace smpi{ COLL_APPLY(AUTOMATIC_COLL_BENCH, COLL_ALLGATHERV_SIG, (send_buff, send_count, send_type, recv_buff, recv_count, recv_disps, recv_type, comm)); COLL_APPLY(AUTOMATIC_COLL_BENCH, COLL_ALLREDUCE_SIG, (sbuf, rbuf, rcount, dtype, op, comm)); @@ -77,3 +84,6 @@ COLL_APPLY(AUTOMATIC_COLL_BENCH, COLL_REDUCE_SIG,(buf,rbuf, count, datatype, op, COLL_APPLY(AUTOMATIC_COLL_BENCH, COLL_REDUCE_SCATTER_SIG ,(sbuf,rbuf, rcounts,dtype,op,comm)); COLL_APPLY(AUTOMATIC_COLL_BENCH, COLL_SCATTER_SIG ,(sendbuf, sendcount, sendtype,recvbuf, recvcount, recvtype,root, comm)); COLL_APPLY(AUTOMATIC_COLL_BENCH, COLL_BARRIER_SIG,(comm)); + +} +}