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   sg_platf_host_add_cb(host_parse_init);
  33 }
  34
  35 void surf_host_model_init_compound()
  36 {
  37
  38   xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!");
  39   xbt_assert(surf_network_model, "No network model defined yet!");
  40   surf_host_model = new HostCLM03Model();
  41
  42   Model *model = surf_host_model;
  43   xbt_dynar_push(all_existing_models, &model);
  44   sg_platf_host_add_cb(host_parse_init);
  45 }
  46
  47 Host *HostCLM03Model::createHost(const char *name){
  48   sg_host_t sg_host = sg_host_by_name(name);
  49   Host *host = new HostCLM03(surf_host_model, name, NULL,
  50                   (xbt_dynar_t)xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL),
  51                   sg_host_edge(sg_host),
  52                   sg_host_surfcpu(sg_host));
  53   surf_callback_emit(hostCreatedCallbacks, host);
  54   XBT_DEBUG("Create host %s with %ld mounted disks", name, xbt_dynar_length(host->p_storage));
  55   xbt_lib_set(host_lib, name, SURF_HOST_LEVEL, host);
  56   return host;
  57 }
  58
  59 double HostCLM03Model::shareResources(double now){
  60   adjustWeightOfDummyCpuActions();
  61
  62   double min_by_cpu = surf_cpu_model_pm->shareResources(now);
  63   double min_by_net = surf_network_model->shareResourcesIsIdempotent() ? surf_network_model->shareResources(now) : -1;
  64   double min_by_sto = surf_storage_model->shareResources(now);
  65
  66   XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f",
  67       this, typeid(surf_cpu_model_pm).name(), min_by_cpu,
  68                 typeid(surf_network_model).name(), min_by_net,
  69                         typeid(surf_storage_model).name(), min_by_sto);
  70
  71   double res = max(max(min_by_cpu, min_by_net), min_by_sto);
  72   if (min_by_cpu >= 0.0 && min_by_cpu < res)
  73         res = min_by_cpu;
  74   if (min_by_net >= 0.0 && min_by_net < res)
  75         res = min_by_net;
  76   if (min_by_sto >= 0.0 && min_by_sto < res)
  77         res = min_by_sto;
  78   return res;
  79 }
  80
  81 void HostCLM03Model::updateActionsState(double /*now*/, double /*delta*/){
  82   return;
  83 }
  84
  85 Action *HostCLM03Model::executeParallelTask(int host_nb,
  86                                         sg_host_t *host_list,
  87                                         double *flops_amount,
  88                                         double *bytes_amount,
  89                                         double rate){
  90 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
  91   Action *action =NULL;
  92   if ((host_nb == 1)
  93       && (cost_or_zero(bytes_amount, 0) == 0.0)){
  94     action = surf_host_execute(host_list[0],flops_amount[0]);
  95   } else if ((host_nb == 1)
  96            && (cost_or_zero(flops_amount, 0) == 0.0)) {
  97     action = surf_network_model->communicate(sg_host_edge(host_list[0]),
  98                                                  sg_host_edge(host_list[0]),
  99                                                                                          bytes_amount[0], rate);
 100   } else if ((host_nb == 2)
 101              && (cost_or_zero(flops_amount, 0) == 0.0)
 102              && (cost_or_zero(flops_amount, 1) == 0.0)) {
 103     int i,nb = 0;
 104     double value = 0.0;
 105
 106     for (i = 0; i < host_nb * host_nb; i++) {
 107       if (cost_or_zero(bytes_amount, i) > 0.0) {
 108         nb++;
 109         value = cost_or_zero(bytes_amount, i);
 110       }
 111     }
 112     if (nb == 1){
 113       action = surf_network_model->communicate(sg_host_edge(host_list[0]),
 114                                                    sg_host_edge(host_list[1]),
 115                                                                                            value, rate);
 116     }
 117   } else
 118     THROW_UNIMPLEMENTED;      /* This model does not implement parallel tasks for more than 2 hosts */
 119 #undef cost_or_zero
 120   xbt_free(host_list);
 121   return action;
 122 }
 123
 124 /************
 125  * Resource *
 126  ************/
 127 HostCLM03::HostCLM03(HostModel *model, const char* name, xbt_dict_t properties, xbt_dynar_t storage, RoutingEdge *netElm, Cpu *cpu)
 128   : Host(model, name, properties, storage, netElm, cpu) {}
 129
 130 bool HostCLM03::isUsed(){
 131   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 132   return -1;
 133 }
 134
 135 void HostCLM03::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/){
 136   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 137 }
 138
 139 Action *HostCLM03::execute(double size) {
 140   return p_cpu->execute(size);
 141 }
 142
 143 Action *HostCLM03::sleep(double duration) {
 144   return p_cpu->sleep(duration);
 145 }
 146
 147 e_surf_resource_state_t HostCLM03::getState() {
 148   return p_cpu->getState();
 149 }
 150
 151 /**********
 152  * Action *
 153  **********/