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Merge branch 'master' of git+ssh://scm.gforge.inria.fr//gitroot/simgrid/simgrid
[simgrid.git] / src / surf / network_smpi.cpp
index b38b3fe..411a467 100644 (file)
@@ -1,54 +1,24 @@
-#include "network_smpi.hpp"
-#include "simgrid/sg_config.h"
+/* Copyright (c) 2013-2015. The SimGrid Team.
+ * All rights reserved.                                                     */
 
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
+/* 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. */
 
-xbt_dynar_t smpi_bw_factor = NULL;
-xbt_dynar_t smpi_lat_factor = NULL;
+#include <cstddef>
+#include <algorithm>
 
-typedef struct s_smpi_factor *smpi_factor_t;
-typedef struct s_smpi_factor {
-  long factor;
-  double value;
-} s_smpi_factor_t;
+#include <xbt/log.h>
 
-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);
-}
+#include "network_smpi.hpp"
+#include "simgrid/sg_config.h"
+#include "smpi/smpi_utils.hpp"
 
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
 
-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, ":");
-    if (xbt_dynar_length(radical_elements2) != 2)
-      xbt_die("Malformed radical for smpi factor!");
-    fact.factor = atol(xbt_dynar_get_as(radical_elements2, 0, char *));
-    fact.value = atof(xbt_dynar_get_as(radical_elements2, 1, char *));
-    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);
-  iter=0;
-  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);
+std::vector<s_smpi_factor_t> smpi_bw_factor;
+std::vector<s_smpi_factor_t> smpi_lat_factor;
 
-  }
-  return smpi_factor;
-}
+xbt_dict_t gap_lookup = nullptr;
 
 /*********
  * Model *
@@ -65,133 +35,80 @@ static xbt_dynar_t parse_factor(const char *smpi_coef_string)
 /*  month=may, */
 /*  year={2011} */
 /*  } */
-void surf_network_model_init_SMPI(void)
+void surf_network_model_init_SMPI()
 {
-
   if (surf_network_model)
     return;
-  surf_network_model = new NetworkSmpiModel();
-  net_define_callbacks();
-  xbt_dynar_push(model_list, &surf_network_model);
-  //network_solve = lmm_solve;
+  surf_network_model = new simgrid::surf::NetworkSmpiModel();
+  all_existing_models->push_back(surf_network_model);
 
-  xbt_cfg_setdefault_double(_sg_cfg_set, "network/sender_gap", 10e-6);
-  xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
+  xbt_cfg_setdefault_double("network/sender-gap", 10e-6);
+  xbt_cfg_setdefault_double("network/weight-S", 8775);
 }
 
-void NetworkSmpiModel::gapAppend(double size, const NetworkCm02LinkLmmPtr link, NetworkCm02ActionLmmPtr action)
-{
-  const char *src = link->m_name;
-  xbt_fifo_t fifo;
-  //surf_action_network_CM02_t last_action;
-  //double bw;
-
-  if (sg_sender_gap > 0.0) {
-    if (!gap_lookup) {
-      gap_lookup = xbt_dict_new();
-    }
-    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;
+namespace simgrid {
+  namespace surf {
+
+  NetworkSmpiModel::NetworkSmpiModel() : NetworkCm02Model()
+  {
+    haveGap_ = true;
     }
-    /* 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);
+
+    NetworkSmpiModel::~NetworkSmpiModel()
+    {
+      xbt_dict_free(&gap_lookup);
     }
-    action->sender.fifo_item = xbt_fifo_push(fifo, action);*/
-    action->m_senderSize = size;
-  }
-}
 
-void NetworkSmpiModel::gapRemove(ActionLmmPtr lmm_action)
-{
-  xbt_fifo_t fifo;
-  size_t size;
-  NetworkCm02ActionLmmPtr action = (NetworkCm02ActionLmmPtr)(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);
+    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);
 
-double NetworkSmpiModel::bandwidthFactor(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 (size <= fact.factor) {
-      XBT_DEBUG("%lf <= %ld return %f", size, fact.factor, current);
       return current;
-    }else
-      current=fact.value;
-  }
-  XBT_DEBUG("%lf > %ld return %f", size, fact.factor, 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::latencyFactor(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 (size <= fact.factor) {
-      XBT_DEBUG("%lf <= %ld return %f", size, fact.factor, current);
       return current;
-    }else
-      current=fact.value;
-  }
-  XBT_DEBUG("%lf > %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));
+    }
 
-double NetworkSmpiModel::bandwidthConstraint(double rate, double bound, double size)
-{
-  return rate < 0 ? bound : min(bound, rate * bandwidthFactor(size));
-}
+    /************
+     * Resource *
+     ************/
 
-/************
- * Resource *
- ************/
 
 
+    /**********
+     * Action *
+     **********/
 
-/**********
- * Action *
- **********/
+  }
+}