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 Host *HostCLM03Model::createHost(const char *name,RoutingEdge *netElm, Cpu *cpu){
  51   Host *host = new simgrid::surf::HostCLM03(surf_host_model, name, NULL,
  52                   (xbt_dynar_t)xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL),
  53                   netElm, cpu);
  54   surf_callback_emit(hostCreatedCallbacks, host);
  55   XBT_DEBUG("Create host %s with %ld mounted disks", name, xbt_dynar_length(host->p_storage));
  56   simgrid::Host::find_host(name)->set_facet(SURF_HOST_LEVEL, host);
  57   return host;
  58 }
  59
  60 double HostCLM03Model::shareResources(double now){
  61   adjustWeightOfDummyCpuActions();
  62
  63   double min_by_cpu = surf_cpu_model_pm->shareResources(now);
  64   double min_by_net = surf_network_model->shareResourcesIsIdempotent() ? surf_network_model->shareResources(now) : -1;
  65   double min_by_sto = surf_storage_model->shareResources(now);
  66
  67   XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f",
  68       this, typeid(surf_cpu_model_pm).name(), min_by_cpu,
  69                 typeid(surf_network_model).name(), min_by_net,
  70                         typeid(surf_storage_model).name(), min_by_sto);
  71
  72   double res = std::max(std::max(min_by_cpu, min_by_net), min_by_sto);
  73   if (min_by_cpu >= 0.0 && min_by_cpu < res)
  74         res = min_by_cpu;
  75   if (min_by_net >= 0.0 && min_by_net < res)
  76         res = min_by_net;
  77   if (min_by_sto >= 0.0 && min_by_sto < res)
  78         res = min_by_sto;
  79   return res;
  80 }
  81
  82 void HostCLM03Model::updateActionsState(double /*now*/, double /*delta*/){
  83   return;
  84 }
  85
  86 Action *HostCLM03Model::executeParallelTask(int host_nb,
  87                                         sg_host_t *host_list,
  88                                         double *flops_amount,
  89                                         double *bytes_amount,
  90                                         double rate){
  91 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
  92   Action *action =NULL;
  93   if ((host_nb == 1)
  94       && (cost_or_zero(bytes_amount, 0) == 0.0)){
  95     action = surf_host_execute(host_list[0],flops_amount[0]);
  96   } else if ((host_nb == 1)
  97            && (cost_or_zero(flops_amount, 0) == 0.0)) {
  98     action = surf_network_model->communicate(sg_host_edge(host_list[0]),
  99                                                  sg_host_edge(host_list[0]),
 100                                                                                          bytes_amount[0], rate);
 101   } else if ((host_nb == 2)
 102              && (cost_or_zero(flops_amount, 0) == 0.0)
 103              && (cost_or_zero(flops_amount, 1) == 0.0)) {
 104     int i,nb = 0;
 105     double value = 0.0;
 106
 107     for (i = 0; i < host_nb * host_nb; i++) {
 108       if (cost_or_zero(bytes_amount, i) > 0.0) {
 109         nb++;
 110         value = cost_or_zero(bytes_amount, i);
 111       }
 112     }
 113     if (nb == 1){
 114       action = surf_network_model->communicate(sg_host_edge(host_list[0]),
 115                                                    sg_host_edge(host_list[1]),
 116                                                                                            value, rate);
 117     }
 118   } else
 119     THROW_UNIMPLEMENTED;      /* This model does not implement parallel tasks for more than 2 hosts */
 120 #undef cost_or_zero
 121   xbt_free(host_list);
 122   return action;
 123 }
 124
 125 /************
 126  * Resource *
 127  ************/
 128 HostCLM03::HostCLM03(HostModel *model, const char* name, xbt_dict_t properties, xbt_dynar_t storage, RoutingEdge *netElm, Cpu *cpu)
 129   : Host(model, name, properties, storage, netElm, cpu) {}
 130
 131 bool HostCLM03::isUsed(){
 132   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 133   return -1;
 134 }
 135
 136 void HostCLM03::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/){
 137   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 138 }
 139
 140 Action *HostCLM03::execute(double size) {
 141   return p_cpu->execute(size);
 142 }
 143
 144 Action *HostCLM03::sleep(double duration) {
 145   return p_cpu->sleep(duration);
 146 }
 147
 148 e_surf_resource_state_t HostCLM03::getState() {
 149   return p_cpu->getState();
 150 }
 151
 152 /**********
 153  * Action *
 154  **********/
 155
 156 }
 157 }