+++ /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"
-#include "smpi/smpi_utils.hpp"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-
-std::vector<s_smpi_factor_t> smpi_bw_factor;
-std::vector<s_smpi_factor_t> smpi_lat_factor;
-
-xbt_dict_t gap_lookup = nullptr;
-
-/*********
- * 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();
- all_existing_models->push_back(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);
- }
-
- void NetworkSmpiModel::gapAppend(double size, LinkImpl* link, NetworkAction* act)
- {
- const char* src = link->cname();
- 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)
- {
- NetworkCm02Action *action = static_cast<NetworkCm02Action*>(lmm_action);
-
- if (sg_sender_gap > 0.0 && action->senderLinkName_ && action->senderFifoItem_) {
- xbt_fifo_t fifo = (xbt_fifo_t)xbt_dict_get_or_null(gap_lookup, action->senderLinkName_);
- xbt_fifo_remove_item(fifo, action->senderFifoItem_);
- size_t 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.empty())
- smpi_bw_factor = parse_factor(xbt_cfg_get_string("smpi/bw-factor"));
-
- double current = 1.0;
- for (const auto& fact : smpi_bw_factor) {
- if (size <= fact.factor) {
- XBT_DEBUG("%f <= %zu return %f", size, fact.factor, current);
- return current;
- } else
- current = fact.values.front();
- }
- XBT_DEBUG("%f > %zu return %f", size, smpi_bw_factor.back().factor, current);
-
- return current;
- }
-
- double NetworkSmpiModel::latencyFactor(double size)
- {
- if (smpi_lat_factor.empty())
- smpi_lat_factor = parse_factor(xbt_cfg_get_string("smpi/lat-factor"));
-
- double current=1.0;
- for (const auto& fact : smpi_lat_factor) {
- if (size <= fact.factor) {
- XBT_DEBUG("%f <= %zu return %f", size, fact.factor, current);
- return current;
- }else
- current=fact.values.front();
- }
- XBT_DEBUG("%f > %zu return %f", size, smpi_lat_factor.back().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 *
- **********/
-
- }
-}
