-/* Copyright (c) 2013-2018. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2013-2022. 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 <cstdlib>
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/kernel/routing/NetZoneImpl.hpp>
+#include <simgrid/s4u/Engine.hpp>
-#include <algorithm>
-
-#include "host_clm03.hpp"
-
-#include "cpu_cas01.hpp"
#include "simgrid/sg_config.hpp"
+#include "src/kernel/EngineImpl.hpp"
+#include "src/kernel/resource/NetworkModel.hpp"
+#include "src/surf/host_clm03.hpp"
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
-
-/*************
- * CallBacks *
- *************/
-
-/*********
- * Model *
- *********/
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_host);
void surf_host_model_init_current_default()
{
- surf_host_model = new simgrid::surf::HostCLM03Model();
- xbt_cfg_setdefault_boolean("network/crosstraffic", "yes");
+ 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);
surf_cpu_model_init_Cas01();
+ surf_disk_model_init_S19();
surf_network_model_init_LegrandVelho();
-
- all_existing_models->push_back(surf_host_model);
}
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();
- all_existing_models->push_back(surf_host_model);
+ 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 {
-namespace surf {
+namespace simgrid::kernel::resource {
-double HostCLM03Model::next_occuring_event(double now)
+double HostCLM03Model::next_occurring_event(double /*now*/)
{
- ignore_empty_vm_in_pm_LMM();
-
- 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);
-
- XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %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);
-
- double res = std::max({min_by_cpu, min_by_net, min_by_sto});
- if (min_by_cpu >= 0.0 && min_by_cpu < res)
- res = min_by_cpu;
- if (min_by_net >= 0.0 && min_by_net < res)
- res = min_by_net;
- if (min_by_sto >= 0.0 && min_by_sto < res)
- res = min_by_sto;
- return res;
+ /* nothing specific to be done here
+ * EngineImpl::solve already calls all the models next_occurring_event properly */
+ return -1.0;
}
void HostCLM03Model::update_actions_state(double /*now*/, double /*delta*/)
{
- /* I won't do what you tell me */
+ /* 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;
+}
+
+Action* HostCLM03Model::io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk,
+ double size)
+{
+ 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);
+
+ size_t nb_disks = 0;
+ if (src_disk != nullptr)
+ nb_disks++;
+ if (dst_disk != nullptr)
+ nb_disks++;
+
+ // 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]->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, 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;
+
+ 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, 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");
+ } 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;
}
+
+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
