-/* Copyright (c) 2013-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2013-2019. 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 "simgrid/sg_config.hpp"
+#include "smpi_utils.hpp"
+#include "src/surf/surf_interface.hpp"
+#include "surf/surf.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-xbt_dynar_t smpi_bw_factor = NULL;
-xbt_dynar_t smpi_lat_factor = NULL;
-
-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 = NULL;
-
-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 = NULL;
- unsigned int iter = 0;
- s_smpi_factor_t fact;
- xbt_dynar_t smpi_factor, radical_elements, radical_elements2 = NULL;
-
- smpi_factor = xbt_dynar_new(sizeof(s_smpi_factor_t), NULL);
- 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;
-}
+std::vector<s_smpi_factor_t> smpi_bw_factor;
+std::vector<s_smpi_factor_t> smpi_lat_factor;
/*********
* Model *
/* month=may, */
/* year={2011} */
/* } */
-void surf_network_model_init_SMPI(void)
+void surf_network_model_init_SMPI()
{
-
if (surf_network_model)
return;
- simgrid::surf::on_link.connect(netlink_parse_init);
- surf_network_model = new simgrid::surf::NetworkSmpiModel();
- xbt_dynar_push(all_existing_models, &surf_network_model);
+ surf_network_model = new simgrid::kernel::resource::NetworkSmpiModel();
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/sender_gap", 10e-6);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
+ simgrid::config::set_default<double>("network/weight-S", 8775);
}
namespace simgrid {
-namespace surf {
-
-NetworkSmpiModel::NetworkSmpiModel()
- : NetworkCm02Model() {
- m_haveGap=true;
-}
+namespace kernel {
+namespace resource {
-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)
+NetworkSmpiModel::NetworkSmpiModel() : NetworkCm02Model()
{
- 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(NULL);
- }
- fifo = (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup, src);
- action->m_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->m_senderGap = sg_sender_gap;
- /* max(sg_sender_gap,last_action->sender.size / bw);*/
- action->m_latency += action->m_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, NULL);
- }
- action->sender.fifo_item = xbt_fifo_push(fifo, action);*/
- action->m_senderSize = size;
- }
+ /* Do not add this into all_existing_models: our ancestor already does so */
}
-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->p_senderLinkName
- && action->p_senderFifoItem) {
- fifo =
- (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup,
- action->p_senderLinkName);
- xbt_fifo_remove_item(fifo, action->p_senderFifoItem);
- size = xbt_fifo_size(fifo);
- if (size == 0) {
- xbt_fifo_free(fifo);
- xbt_dict_remove(gap_lookup, action->p_senderLinkName);
- size = xbt_dict_length(gap_lookup);
- if (size == 0) {
- xbt_dict_free(&gap_lookup);
- }
- }
- }
-}
+NetworkSmpiModel::~NetworkSmpiModel() = default;
-double NetworkSmpiModel::bandwidthFactor(double size)
+double NetworkSmpiModel::get_bandwidth_factor(double size)
{
- if (!smpi_bw_factor)
- smpi_bw_factor =
- parse_factor(sg_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 (smpi_bw_factor.empty())
+ smpi_bw_factor = parse_factor(simgrid::config::get_value<std::string>("smpi/bw-factor"));
+
+ double current = 1.0;
+ for (auto const& fact : smpi_bw_factor) {
if (size <= fact.factor) {
- XBT_DEBUG("%f <= %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("%f <= %zu return %f", size, fact.factor, current);
return current;
- }else
- current=fact.value;
+ } else
+ current = fact.values.front();
}
- XBT_DEBUG("%f > %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("%f > %zu return %f", size, smpi_bw_factor.back().factor, current);
return current;
}
-double NetworkSmpiModel::latencyFactor(double size)
+double NetworkSmpiModel::get_latency_factor(double size)
{
- if (!smpi_lat_factor)
- smpi_lat_factor =
- parse_factor(sg_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 (smpi_lat_factor.empty())
+ smpi_lat_factor = parse_factor(simgrid::config::get_value<std::string>("smpi/lat-factor"));
+
+ double current = 1.0;
+ for (auto const& fact : smpi_lat_factor) {
if (size <= fact.factor) {
- XBT_DEBUG("%f <= %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("%f <= %zu return %f", size, fact.factor, current);
return current;
- }else
- current=fact.value;
+ } else
+ current = fact.values.front();
}
- XBT_DEBUG("%f > %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("%f > %zu return %f", size, smpi_lat_factor.back().factor, current);
return current;
}
-double NetworkSmpiModel::bandwidthConstraint(double rate, double bound, double size)
+double NetworkSmpiModel::get_bandwidth_constraint(double rate, double bound, double size)
{
- return rate < 0 ? bound : std::min(bound, rate * bandwidthFactor(size));
+ return rate < 0 ? bound : std::min(bound, rate * get_bandwidth_factor(size));
}
/************
* Resource *
************/
-
-
/**********
* Action *
**********/
-
}
}
+} // namespace simgrid
