+++ /dev/null
-/* 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 <cstddef>
-
-#include <algorithm>
-
-#include <xbt/log.h>
-
-#include "network_smpi.hpp"
-#include "simgrid/sg_config.h"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-
-xbt_dynar_t smpi_bw_factor = nullptr;
-xbt_dynar_t smpi_lat_factor = nullptr;
-
-typedef struct s_smpi_factor *smpi_factor_t;
-typedef struct s_smpi_factor { // FIXME: s_smpi_factor_multival (defined in smpi_base) should be used instead to dedupplicate this code
- long factor;
- double value;
-} s_smpi_factor_t;
-
-xbt_dict_t gap_lookup = nullptr;
-
-static int factor_cmp(const void *pa, const void *pb)
-{
- return (((s_smpi_factor_t*)pa)->factor > ((s_smpi_factor_t*)pb)->factor) ? 1 :
- (((s_smpi_factor_t*)pa)->factor < ((s_smpi_factor_t*)pb)->factor) ? -1 : 0;
-}
-
-#include "src/surf/xml/platf.hpp" // FIXME: move that back to the parsing area
-static xbt_dynar_t parse_factor(const char *smpi_coef_string)
-{
- char *value = nullptr;
- unsigned int iter = 0;
- s_smpi_factor_t fact;
- xbt_dynar_t smpi_factor, radical_elements, radical_elements2 = nullptr;
-
- smpi_factor = xbt_dynar_new(sizeof(s_smpi_factor_t), nullptr);
- radical_elements = xbt_str_split(smpi_coef_string, ";");
- xbt_dynar_foreach(radical_elements, iter, value) {
-
- radical_elements2 = xbt_str_split(value, ":");
- surf_parse_assert(xbt_dynar_length(radical_elements2) == 2,
- "Malformed radical '%s' for smpi factor. I was expecting something like 'a:b'", value);
-
- char *errmsg = bprintf("Invalid factor in chunk #%d: %%s", iter+1);
- fact.factor = xbt_str_parse_int(xbt_dynar_get_as(radical_elements2, 0, char *), errmsg);
- xbt_free(errmsg);
- fact.value = xbt_str_parse_double(xbt_dynar_get_as(radical_elements2, 1, char *), errmsg);
- errmsg = bprintf("Invalid factor value in chunk #%d: %%s", iter+1);
- xbt_free(errmsg);
-
- xbt_dynar_push_as(smpi_factor, s_smpi_factor_t, fact);
- XBT_DEBUG("smpi_factor:\t%ld : %f", fact.factor, fact.value);
- xbt_dynar_free(&radical_elements2);
- }
- xbt_dynar_free(&radical_elements);
- xbt_dynar_sort(smpi_factor, &factor_cmp);
- xbt_dynar_foreach(smpi_factor, iter, fact) {
- XBT_DEBUG("ordered smpi_factor:\t%ld : %f", fact.factor, fact.value);
-
- }
- return smpi_factor;
-}
-
-/*********
- * Model *
- *********/
-
-/************************************************************************/
-/* New model based on LV08 and experimental results of MPI ping-pongs */
-/************************************************************************/
-/* @Inproceedings{smpi_ipdps, */
-/* author={Pierre-Nicolas Clauss and Mark Stillwell and Stéphane Genaud and Frédéric Suter and Henri Casanova and Martin Quinson}, */
-/* title={Single Node On-Line Simulation of {MPI} Applications with SMPI}, */
-/* booktitle={25th IEEE International Parallel and Distributed Processing Symposium (IPDPS'11)}, */
-/* address={Anchorage (Alaska) USA}, */
-/* month=may, */
-/* year={2011} */
-/* } */
-void surf_network_model_init_SMPI()
-{
- if (surf_network_model)
- return;
- surf_network_model = new simgrid::surf::NetworkSmpiModel();
- xbt_dynar_push(all_existing_models, &surf_network_model);
-
- xbt_cfg_setdefault_double("network/sender-gap", 10e-6);
- xbt_cfg_setdefault_double("network/weight-S", 8775);
-}
-
-namespace simgrid {
- namespace surf {
-
- NetworkSmpiModel::NetworkSmpiModel()
- : NetworkCm02Model() {
- haveGap_=true;
- }
-
- NetworkSmpiModel::~NetworkSmpiModel(){
- xbt_dict_free(&gap_lookup);
- xbt_dynar_free(&smpi_bw_factor);
- xbt_dynar_free(&smpi_lat_factor);
- }
-
- void NetworkSmpiModel::gapAppend(double size, Link* link, NetworkAction *act)
- {
- const char *src = link->getName();
- xbt_fifo_t fifo;
- NetworkCm02Action *action= static_cast<NetworkCm02Action*>(act);
-
- if (sg_sender_gap > 0.0) {
- if (!gap_lookup) {
- gap_lookup = xbt_dict_new_homogeneous(nullptr);
- }
- fifo = (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup, src);
- action->senderGap_ = 0.0;
- if (fifo && xbt_fifo_size(fifo) > 0) {
- /* Compute gap from last send */
- /*last_action =
- (surf_action_network_CM02_t)
- xbt_fifo_get_item_content(xbt_fifo_get_last_item(fifo));*/
- // bw = net_get_link_bandwidth(link);
- action->senderGap_ = sg_sender_gap;
- /* max(sg_sender_gap,last_action->sender.size / bw);*/
- action->latency_ += action->senderGap_;
- }
- /* Append action as last send */
- /*action->sender.link_name = link->lmm_resource.generic_resource.name;
- fifo =
- (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup,
- action->sender.link_name);
- if (!fifo) {
- fifo = xbt_fifo_new();
- xbt_dict_set(gap_lookup, action->sender.link_name, fifo, nullptr);
- }
- action->sender.fifo_item = xbt_fifo_push(fifo, action);*/
- action->senderSize_ = size;
- }
- }
-
- void NetworkSmpiModel::gapRemove(Action *lmm_action)
- {
- xbt_fifo_t fifo;
- size_t size;
- NetworkCm02Action *action = static_cast<NetworkCm02Action*>(lmm_action);
-
- if (sg_sender_gap > 0.0 && action->senderLinkName_
- && action->senderFifoItem_) {
- fifo =
- (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup,
- action->senderLinkName_);
- xbt_fifo_remove_item(fifo, action->senderFifoItem_);
- size = xbt_fifo_size(fifo);
- if (size == 0) {
- xbt_fifo_free(fifo);
- xbt_dict_remove(gap_lookup, action->senderLinkName_);
- size = xbt_dict_length(gap_lookup);
- if (size == 0) {
- xbt_dict_free(&gap_lookup);
- }
- }
- }
- }
-
- double NetworkSmpiModel::bandwidthFactor(double size)
- {
- if (!smpi_bw_factor)
- smpi_bw_factor = parse_factor(xbt_cfg_get_string("smpi/bw-factor"));
-
- unsigned int iter = 0;
- s_smpi_factor_t fact;
- double current=1.0;
- xbt_dynar_foreach(smpi_bw_factor, iter, fact) {
- if (size <= fact.factor) {
- XBT_DEBUG("%f <= %ld return %f", size, fact.factor, current);
- return current;
- }else
- current=fact.value;
- }
- XBT_DEBUG("%f > %ld return %f", size, fact.factor, current);
-
- return current;
- }
-
- double NetworkSmpiModel::latencyFactor(double size)
- {
- if (!smpi_lat_factor)
- smpi_lat_factor = parse_factor(xbt_cfg_get_string("smpi/lat-factor"));
-
- unsigned int iter = 0;
- s_smpi_factor_t fact;
- double current=1.0;
- xbt_dynar_foreach(smpi_lat_factor, iter, fact) {
- if (size <= fact.factor) {
- XBT_DEBUG("%f <= %ld return %f", size, fact.factor, current);
- return current;
- }else
- current=fact.value;
- }
- XBT_DEBUG("%f > %ld return %f", size, fact.factor, current);
-
- return current;
- }
-
- double NetworkSmpiModel::bandwidthConstraint(double rate, double bound, double size)
- {
- return rate < 0 ? bound : std::min(bound, rate * bandwidthFactor(size));
- }
-
- /************
- * Resource *
- ************/
-
-
-
- /**********
- * Action *
- **********/
-
- }
-}
