+++ /dev/null
-/* 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 "src/surf/host_clm03.hpp"
-#include "simgrid/sg_config.hpp"
-#include "surf/surf.hpp"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
-
-void surf_host_model_init_current_default()
-{
- surf_host_model = new simgrid::surf::HostCLM03Model();
- simgrid::config::set_default<bool>("network/crosstraffic", true);
- 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();
-}
-
-namespace simgrid {
-namespace surf {
-HostCLM03Model::HostCLM03Model()
-{
- all_existing_models.push_back(this);
-}
-
-double HostCLM03Model::next_occurring_event(double now)
-{
- double min_by_cpu = surf_cpu_model_pm->next_occurring_event(now);
- double min_by_net =
- surf_network_model->next_occurring_event_is_idempotent() ? surf_network_model->next_occurring_event(now) : -1;
- double min_by_sto = surf_storage_model->next_occurring_event(now);
- double min_by_dsk = surf_disk_model->next_occurring_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;
-}
-
-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;
- 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]);
- } else if ((host_list.size() == 1) && (has_cost(flops_amount, 0) <= 0)) {
- action = surf_network_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 = surf_network_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
