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move createHost higher in the surf::HostModel hierarchy
[simgrid.git] / src / surf / host_clm03.cpp
1 /* Copyright (c) 2013-2015. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #include <cstdlib>
8
9 #include <algorithm>
10
11 #include "host_clm03.hpp"
12
13 #include "cpu_cas01.hpp"
14 #include "simgrid/sg_config.h"
15 #include "virtual_machine.hpp"
16
17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
18
19 /*************
20  * CallBacks *
21  *************/
22
23 /*********
24  * Model *
25  *********/
26
27 void surf_host_model_init_current_default(void)
28 {
29   surf_host_model = new simgrid::surf::HostCLM03Model();
30   xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", "yes");
31   surf_cpu_model_init_Cas01();
32   surf_network_model_init_LegrandVelho();
33
34   simgrid::surf::Model *model = surf_host_model;
35   xbt_dynar_push(all_existing_models, &model);
36 }
37
38 void surf_host_model_init_compound()
39 {
40   xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!");
41   xbt_assert(surf_network_model, "No network model defined yet!");
42
43   surf_host_model = new simgrid::surf::HostCLM03Model();
44   xbt_dynar_push(all_existing_models, &surf_host_model);
45 }
46
47 namespace simgrid {
48 namespace surf {
49
50 double HostCLM03Model::shareResources(double now){
51   adjustWeightOfDummyCpuActions();
52
53   double min_by_cpu = surf_cpu_model_pm->shareResources(now);
54   double min_by_net = surf_network_model->shareResourcesIsIdempotent() ? surf_network_model->shareResources(now) : -1;
55   double min_by_sto = surf_storage_model->shareResources(now);
56
57   XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f",
58       this, typeid(surf_cpu_model_pm).name(), min_by_cpu,
59                 typeid(surf_network_model).name(), min_by_net,
60                         typeid(surf_storage_model).name(), min_by_sto);
61
62   double res = std::max(std::max(min_by_cpu, min_by_net), min_by_sto);
63   if (min_by_cpu >= 0.0 && min_by_cpu < res)
64         res = min_by_cpu;
65   if (min_by_net >= 0.0 && min_by_net < res)
66         res = min_by_net;
67   if (min_by_sto >= 0.0 && min_by_sto < res)
68         res = min_by_sto;
69   return res;
70 }
71
72 void HostCLM03Model::updateActionsState(double /*now*/, double /*delta*/){
73   return;
74 }
75
76 Action *HostCLM03Model::executeParallelTask(int host_nb,
77                                         sg_host_t *host_list,
78                                         double *flops_amount,
79                                         double *bytes_amount,
80                                         double rate){
81 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
82   Action *action =NULL;
83   if ((host_nb == 1)
84       && (cost_or_zero(bytes_amount, 0) == 0.0)){
85     action = surf_host_execute(host_list[0],flops_amount[0]);
86   } else if ((host_nb == 1)
87            && (cost_or_zero(flops_amount, 0) == 0.0)) {
88     action = surf_network_model->communicate(sg_host_edge(host_list[0]),
89                                                  sg_host_edge(host_list[0]),
90                                                                                          bytes_amount[0], rate);
91   } else if ((host_nb == 2)
92              && (cost_or_zero(flops_amount, 0) == 0.0)
93              && (cost_or_zero(flops_amount, 1) == 0.0)) {
94     int i,nb = 0;
95     double value = 0.0;
96
97     for (i = 0; i < host_nb * host_nb; i++) {
98       if (cost_or_zero(bytes_amount, i) > 0.0) {
99         nb++;
100         value = cost_or_zero(bytes_amount, i);
101       }
102     }
103     if (nb == 1){
104       action = surf_network_model->communicate(sg_host_edge(host_list[0]),
105                                                    sg_host_edge(host_list[1]),
106                                                                                            value, rate);
107     }
108   } else
109     THROW_UNIMPLEMENTED;      /* This model does not implement parallel tasks for more than 2 hosts */
110 #undef cost_or_zero
111   xbt_free(host_list);
112   return action;
113 }
114
115 }
116 }