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 "host_clm03.hpp"
   8
   9 #include "cpu_cas01.hpp"
  10 #include "simgrid/sg_config.h"
  11 #include "virtual_machine.hpp"
  12
  13 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
  14
  15 /*************
  16  * CallBacks *
  17  *************/
  18
  19 /*********
  20  * Model *
  21  *********/
  22
  23 void surf_host_model_init_current_default(void)
  24 {
  25   surf_host_model = new HostCLM03Model();
  26   xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", "yes");
  27   surf_cpu_model_init_Cas01();
  28   surf_network_model_init_LegrandVelho();
  29
  30   Model *model = surf_host_model;
  31   xbt_dynar_push(all_existing_models, &model);
  32 }
  33
  34 void surf_host_model_init_compound()
  35 {
  36
  37   xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!");
  38   xbt_assert(surf_network_model, "No network model defined yet!");
  39   surf_host_model = new HostCLM03Model();
  40
  41   Model *model = surf_host_model;
  42   xbt_dynar_push(all_existing_models, &model);
  43 }
  44
  45 Host *HostCLM03Model::createHost(const char *name,RoutingEdge *netElm, Cpu *cpu){
  46   Host *host = new HostCLM03(surf_host_model, name, NULL,
  47                   (xbt_dynar_t)xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL),
  48                   netElm, cpu);
  49   surf_callback_emit(hostCreatedCallbacks, host);
  50   XBT_DEBUG("Create host %s with %ld mounted disks", name, xbt_dynar_length(host->p_storage));
  51   xbt_lib_set(host_lib, name, SURF_HOST_LEVEL, host);
  52   return host;
  53 }
  54
  55 double HostCLM03Model::shareResources(double now){
  56   adjustWeightOfDummyCpuActions();
  57
  58   double min_by_cpu = surf_cpu_model_pm->shareResources(now);
  59   double min_by_net = surf_network_model->shareResourcesIsIdempotent() ? surf_network_model->shareResources(now) : -1;
  60   double min_by_sto = surf_storage_model->shareResources(now);
  61
  62   XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f",
  63       this, typeid(surf_cpu_model_pm).name(), min_by_cpu,
  64                 typeid(surf_network_model).name(), min_by_net,
  65                         typeid(surf_storage_model).name(), min_by_sto);
  66
  67   double res = max(max(min_by_cpu, min_by_net), min_by_sto);
  68   if (min_by_cpu >= 0.0 && min_by_cpu < res)
  69         res = min_by_cpu;
  70   if (min_by_net >= 0.0 && min_by_net < res)
  71         res = min_by_net;
  72   if (min_by_sto >= 0.0 && min_by_sto < res)
  73         res = min_by_sto;
  74   return res;
  75 }
  76
  77 void HostCLM03Model::updateActionsState(double /*now*/, double /*delta*/){
  78   return;
  79 }
  80
  81 Action *HostCLM03Model::executeParallelTask(int host_nb,
  82                                         sg_host_t *host_list,
  83                                         double *flops_amount,
  84                                         double *bytes_amount,
  85                                         double rate){
  86 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
  87   Action *action =NULL;
  88   if ((host_nb == 1)
  89       && (cost_or_zero(bytes_amount, 0) == 0.0)){
  90     action = surf_host_execute(host_list[0],flops_amount[0]);
  91   } else if ((host_nb == 1)
  92            && (cost_or_zero(flops_amount, 0) == 0.0)) {
  93     action = surf_network_model->communicate(sg_host_edge(host_list[0]),
  94                                                  sg_host_edge(host_list[0]),
  95                                                                                          bytes_amount[0], rate);
  96   } else if ((host_nb == 2)
  97              && (cost_or_zero(flops_amount, 0) == 0.0)
  98              && (cost_or_zero(flops_amount, 1) == 0.0)) {
  99     int i,nb = 0;
 100     double value = 0.0;
 101
 102     for (i = 0; i < host_nb * host_nb; i++) {
 103       if (cost_or_zero(bytes_amount, i) > 0.0) {
 104         nb++;
 105         value = cost_or_zero(bytes_amount, i);
 106       }
 107     }
 108     if (nb == 1){
 109       action = surf_network_model->communicate(sg_host_edge(host_list[0]),
 110                                                    sg_host_edge(host_list[1]),
 111                                                                                            value, rate);
 112     }
 113   } else
 114     THROW_UNIMPLEMENTED;      /* This model does not implement parallel tasks for more than 2 hosts */
 115 #undef cost_or_zero
 116   xbt_free(host_list);
 117   return action;
 118 }
 119
 120 /************
 121  * Resource *
 122  ************/
 123 HostCLM03::HostCLM03(HostModel *model, const char* name, xbt_dict_t properties, xbt_dynar_t storage, RoutingEdge *netElm, Cpu *cpu)
 124   : Host(model, name, properties, storage, netElm, cpu) {}
 125
 126 bool HostCLM03::isUsed(){
 127   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 128   return -1;
 129 }
 130
 131 void HostCLM03::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/){
 132   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 133 }
 134
 135 Action *HostCLM03::execute(double size) {
 136   return p_cpu->execute(size);
 137 }
 138
 139 Action *HostCLM03::sleep(double duration) {
 140   return p_cpu->sleep(duration);
 141 }
 142
 143 e_surf_resource_state_t HostCLM03::getState() {
 144   return p_cpu->getState();
 145 }
 146
 147 /**********
 148  * Action *
 149  **********/