1 /* Copyright (c) 2013-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/surf/host_clm03.hpp"
7 #include "simgrid/kernel/routing/NetPoint.hpp"
8 #include "simgrid/sg_config.hpp"
9 #include "surf/surf.hpp"
11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_host);
13 void surf_host_model_init_current_default()
15 /* FIXME[donassolo]: this smells bad, but works
16 * (the constructor saves its pointer in all_existing_models and models_by_type :O).
17 * We need a manager for these models */
18 new simgrid::surf::HostCLM03Model();
19 simgrid::config::set_default<bool>("network/crosstraffic", true);
20 surf_cpu_model_init_Cas01();
21 surf_network_model_init_LegrandVelho();
24 void surf_host_model_init_compound()
26 /* FIXME[donassolo]: this smells bad, but works
27 * (the constructor saves its pointer in all_existing_models and models_by_type :O).
28 * We need a manager for these models */
29 new simgrid::surf::HostCLM03Model();
34 HostCLM03Model::HostCLM03Model()
36 all_existing_models.push_back(this);
37 models_by_type[simgrid::kernel::resource::Model::Type::HOST].push_back(this);
40 double HostCLM03Model::next_occurring_event(double now)
42 /* nothing specific to be done here
43 * surf_solve already calls all the models next_occuring_event properly */
47 void HostCLM03Model::update_actions_state(double /*now*/, double /*delta*/)
49 /* I've no action to update */
52 /* Helper function for executeParallelTask */
53 static inline double has_cost(const double* array, size_t pos)
60 kernel::resource::Action* HostCLM03Model::execute_parallel(const std::vector<s4u::Host*>& host_list,
61 const double* flops_amount, const double* bytes_amount,
64 kernel::resource::Action* action = nullptr;
65 /* FIXME[donassolo]: getting the network_model from the origin host
66 * Soon we need to change this function to first get the routes and later
67 * create the respective surf actions */
68 auto* net_model = host_list[0]->get_netpoint()->get_englobing_zone()->get_network_model();
69 if ((host_list.size() == 1) && (has_cost(bytes_amount, 0) <= 0) && (has_cost(flops_amount, 0) > 0)) {
70 action = host_list[0]->pimpl_cpu->execution_start(flops_amount[0]);
71 } else if ((host_list.size() == 1) && (has_cost(flops_amount, 0) <= 0)) {
72 action = net_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate);
73 } else if ((host_list.size() == 2) && (has_cost(flops_amount, 0) <= 0) && (has_cost(flops_amount, 1) <= 0)) {
77 for (size_t i = 0; i < host_list.size() * host_list.size(); i++) {
78 if (has_cost(bytes_amount, i) > 0.0) {
80 value = has_cost(bytes_amount, i);
84 action = net_model->communicate(host_list[0], host_list[1], value, rate);
86 xbt_die("Cannot have a communication with no flop to exchange in this model. You should consider using the "
89 xbt_die("Cannot have a communication that is not a simple point-to-point in this model. You should consider "
90 "using the ptask model");
94 "This model only accepts one of the following. You should consider using the ptask model for the other cases.\n"
95 " - execution with one host only and no communication\n"
96 " - Self-comms with one host only\n"
97 " - Communications with two hosts and no computation");
103 } // namespace simgrid