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Objectif the disk model
[simgrid.git] / src / surf / host_clm03.cpp
index c29dd27..70ac155 100644 (file)
@@ -1,43 +1,47 @@
-/* Copyright (c) 2013-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2013-2023. 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 "src/surf/host_clm03.hpp"
-#include "simgrid/kernel/routing/NetPoint.hpp"
-#include "simgrid/kernel/routing/NetZoneImpl.hpp"
-#include "simgrid/s4u/Engine.hpp"
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/kernel/routing/NetZoneImpl.hpp>
+#include <simgrid/s4u/Engine.hpp>
+
 #include "simgrid/sg_config.hpp"
 #include "src/kernel/EngineImpl.hpp"
-#include "surf/surf.hpp"
+#include "src/kernel/resource/NetworkModel.hpp"
+#include "src/surf/host_clm03.hpp"
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_host);
 
-void surf_host_model_init_current_default()
-{
-  auto host_model = std::make_shared<simgrid::surf::HostCLM03Model>();
-  simgrid::config::set_default<bool>("network/crosstraffic", true);
-  simgrid::kernel::EngineImpl::get_instance()->add_model(simgrid::kernel::resource::Model::Type::HOST, host_model,
-                                                         true);
-  simgrid::s4u::Engine::get_instance()->get_netzone_root()->get_impl()->set_host_model(host_model);
-  surf_cpu_model_init_Cas01();
-  surf_network_model_init_LegrandVelho();
-}
+SIMGRID_REGISTER_HOST_MODEL(
+    default, "Default host model. Currently, CPU:Cas01, network:LV08 (with cross traffic enabled), and disk:S19", []() {
+      simgrid::config::set_default<bool>("network/crosstraffic", true);
+      auto host_model = std::make_shared<simgrid::kernel::resource::HostCLM03Model>("Host_CLM03");
+      auto* engine    = simgrid::kernel::EngineImpl::get_instance();
+      engine->add_model(host_model);
+      engine->get_netzone_root()->set_host_model(host_model);
+      simgrid_cpu_models().by_name("Cas01").init();
+      simgrid_disk_models().by_name("S19").init();
+      simgrid_network_models().by_name("LV08").init();
+    });
 
-void surf_host_model_init_compound()
-{
-  auto host_model = std::make_shared<simgrid::surf::HostCLM03Model>();
-  simgrid::kernel::EngineImpl::get_instance()->add_model(simgrid::kernel::resource::Model::Type::HOST, host_model,
-                                                         true);
-  simgrid::s4u::Engine::get_instance()->get_netzone_root()->get_impl()->set_host_model(host_model);
-}
+SIMGRID_REGISTER_HOST_MODEL(compound,
+                            "Host model that is automatically chosen if you change the CPU, network, and disk models",
+                            []() {
+                              auto host_model =
+                                  std::make_shared<simgrid::kernel::resource::HostCLM03Model>("Host_CLM03");
+                              auto* engine = simgrid::kernel::EngineImpl::get_instance();
+                              engine->add_model(host_model);
+                              engine->get_netzone_root()->set_host_model(host_model);
+                            });
+
+namespace simgrid::kernel::resource {
 
-namespace simgrid {
-namespace surf {
-double HostCLM03Model::next_occurring_event(double now)
+double HostCLM03Model::next_occurring_event(double /*now*/)
 {
   /* nothing specific to be done here
-   * surf_solve already calls all the models next_occuring_event properly */
+   * EngineImpl::solve already calls all the models next_occurring_event properly */
   return -1.0;
 }
 
@@ -54,19 +58,37 @@ static inline double has_cost(const double* array, size_t pos)
   return -1.0;
 }
 
-kernel::resource::Action* HostCLM03Model::execute_parallel(const std::vector<s4u::Host*>& host_list,
-                                                           const double* flops_amount, const double* bytes_amount,
-                                                           double rate)
+Action* HostCLM03Model::io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk,
+                                  double size)
 {
-  kernel::resource::Action* action = nullptr;
-  /* FIXME[donassolo]: getting the network_model from the origin host
-   * Soon we need to change this function to first get the routes and later
-   * create the respective surf actions */
+  auto net_model = src_host->get_englobing_zone()->get_network_model();
+  auto system = net_model->get_maxmin_system();
+  auto* action = net_model->communicate(src_host, dst_host, size, -1, true);
+
+  // We don't want to apply the network model bandwidth factor to the I/O constraints
+  double bw_factor = net_model->get_bandwidth_factor();
+  if (src_disk != nullptr){
+    //FIXME: if the stream starts from a disk, we might not want to pay the network latency
+    system->expand(src_disk->get_constraint(), action->get_variable(), bw_factor);
+    system->expand(src_disk->get_read_constraint(), action->get_variable(), bw_factor);
+  }
+  if (dst_disk != nullptr){
+    system->expand(dst_disk->get_constraint(), action->get_variable(), bw_factor);
+    system->expand(dst_disk->get_write_constraint(), action->get_variable(), bw_factor);
+  }
+
+  return action;
+}
+
+Action* HostCLM03Model::execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
+                                         const double* bytes_amount, double rate)
+{
+  Action* action = nullptr;
   auto net_model = host_list[0]->get_netpoint()->get_englobing_zone()->get_network_model();
   if ((host_list.size() == 1) && (has_cost(bytes_amount, 0) <= 0) && (has_cost(flops_amount, 0) > 0)) {
-    action = host_list[0]->pimpl_cpu->execution_start(flops_amount[0]);
+    action = host_list[0]->get_cpu()->execution_start(flops_amount[0], rate);
   } else if ((host_list.size() == 1) && (has_cost(flops_amount, 0) <= 0)) {
-    action = net_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate);
+    action = net_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate, false);
   } else if ((host_list.size() == 2) && (has_cost(flops_amount, 0) <= 0) && (has_cost(flops_amount, 1) <= 0)) {
     int nb       = 0;
     double value = 0.0;
@@ -78,7 +100,7 @@ kernel::resource::Action* HostCLM03Model::execute_parallel(const std::vector<s4u
       }
     }
     if (nb == 1) {
-      action = net_model->communicate(host_list[0], host_list[1], value, rate);
+      action = net_model->communicate(host_list[0], host_list[1], value, rate, false);
     } else if (nb == 0) {
       xbt_die("Cannot have a communication with no flop to exchange in this model. You should consider using the "
               "ptask model");
@@ -96,5 +118,11 @@ kernel::resource::Action* HostCLM03Model::execute_parallel(const std::vector<s4u
   return action;
 }
 
-} // namespace surf
-} // namespace simgrid
+Action* HostCLM03Model::execute_thread(const s4u::Host* host, double flops_amount, int thread_count)
+{
+  auto cpu = host->get_cpu();
+  /* Create a single action whose cost is thread_count * flops_amount and that requests thread_count cores. */
+  return cpu->execution_start(thread_count * flops_amount, thread_count, -1);
+}
+
+} // namespace simgrid::kernel::resource