-/* Copyright (c) 2013-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2013-2021. 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/sg_config.hpp"
+#include "src/kernel/EngineImpl.hpp"
#include "surf/surf.hpp"
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_host);
void surf_host_model_init_current_default()
{
- surf_host_model = new simgrid::surf::HostCLM03Model();
+ auto host_model = std::make_shared<simgrid::surf::HostCLM03Model>("Host_CLM03");
simgrid::config::set_default<bool>("network/crosstraffic", true);
+ simgrid::kernel::EngineImpl::get_instance()->add_model(host_model);
+ 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();
}
void surf_host_model_init_compound()
{
- xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!");
- xbt_assert(surf_network_model, "No network model defined yet!");
- surf_host_model = new simgrid::surf::HostCLM03Model();
+ auto host_model = std::make_shared<simgrid::surf::HostCLM03Model>("Host_CLM03");
+ simgrid::kernel::EngineImpl::get_instance()->add_model(host_model);
+ simgrid::s4u::Engine::get_instance()->get_netzone_root()->get_impl()->set_host_model(host_model);
}
namespace simgrid {
namespace surf {
-HostCLM03Model::HostCLM03Model()
+double HostCLM03Model::next_occurring_event(double now)
{
- all_existing_models.push_back(this);
-}
-double HostCLM03Model::next_occuring_event(double now)
-{
- double min_by_cpu = surf_cpu_model_pm->next_occuring_event(now);
- double min_by_net =
- surf_network_model->next_occuring_event_is_idempotent() ? surf_network_model->next_occuring_event(now) : -1;
- double min_by_sto = surf_storage_model->next_occuring_event(now);
- double min_by_dsk = surf_disk_model->next_occuring_event(now);
-
- XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f, %s min_by_dsk %f", this,
- typeid(surf_cpu_model_pm).name(), min_by_cpu, typeid(surf_network_model).name(), min_by_net,
- typeid(surf_storage_model).name(), min_by_sto, typeid(surf_disk_model).name(), min_by_dsk);
-
- double res = min_by_cpu;
- if (res < 0 || (min_by_net >= 0.0 && min_by_net < res))
- res = min_by_net;
- if (res < 0 || (min_by_sto >= 0.0 && min_by_sto < res))
- res = min_by_sto;
- if (res < 0 || (min_by_dsk >= 0.0 && min_by_dsk < res))
- res = min_by_dsk;
- return res;
+ /* nothing specific to be done here
+ * surf_solve already calls all the models next_occurring_event properly */
+ return -1.0;
}
void HostCLM03Model::update_actions_state(double /*now*/, double /*delta*/)
/* I've no action to update */
}
+/* Helper function for executeParallelTask */
+static inline double has_cost(const double* array, size_t pos)
+{
+ if (array)
+ return array[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)
+{
+ kernel::resource::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]->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);
+ } 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;
+
+ for (size_t i = 0; i < host_list.size() * host_list.size(); i++) {
+ if (has_cost(bytes_amount, i) > 0.0) {
+ nb++;
+ value = has_cost(bytes_amount, i);
+ }
+ }
+ if (nb == 1) {
+ action = net_model->communicate(host_list[0], host_list[1], value, rate);
+ } 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");
+ } else {
+ xbt_die("Cannot have a communication that is not a simple point-to-point in this model. You should consider "
+ "using the ptask model");
+ }
+ } else {
+ xbt_die(
+ "This model only accepts one of the following. You should consider using the ptask model for the other cases.\n"
+ " - execution with one host only and no communication\n"
+ " - Self-comms with one host only\n"
+ " - Communications with two hosts and no computation");
+ }
+ return action;
+}
+
} // namespace surf
} // namespace simgrid