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 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   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 HostCLM03Model();
  44   xbt_dynar_push(all_existing_models, &surf_host_model);
  45 }
  46
  47 Host *HostCLM03Model::createHost(const char *name,RoutingEdge *netElm, Cpu *cpu){
  48   Host *host = new HostCLM03(surf_host_model, name, NULL,
  49                   (xbt_dynar_t)xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL),
  50                   netElm, cpu);
  51   surf_callback_emit(hostCreatedCallbacks, host);
  52   XBT_DEBUG("Create host %s with %ld mounted disks", name, xbt_dynar_length(host->p_storage));
  53   xbt_lib_set(host_lib, name, SURF_HOST_LEVEL, host);
  54   return host;
  55 }
  56
  57 double HostCLM03Model::shareResources(double now){
  58   adjustWeightOfDummyCpuActions();
  59
  60   double min_by_cpu = surf_cpu_model_pm->shareResources(now);
  61   double min_by_net = surf_network_model->shareResourcesIsIdempotent() ? surf_network_model->shareResources(now) : -1;
  62   double min_by_sto = surf_storage_model->shareResources(now);
  63
  64   XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f",
  65       this, typeid(surf_cpu_model_pm).name(), min_by_cpu,
  66                 typeid(surf_network_model).name(), min_by_net,
  67                         typeid(surf_storage_model).name(), min_by_sto);
  68
  69   double res = std::max(std::max(min_by_cpu, min_by_net), min_by_sto);
  70   if (min_by_cpu >= 0.0 && min_by_cpu < res)
  71         res = min_by_cpu;
  72   if (min_by_net >= 0.0 && min_by_net < res)
  73         res = min_by_net;
  74   if (min_by_sto >= 0.0 && min_by_sto < res)
  75         res = min_by_sto;
  76   return res;
  77 }
  78
  79 void HostCLM03Model::updateActionsState(double /*now*/, double /*delta*/){
  80   return;
  81 }
  82
  83 Action *HostCLM03Model::executeParallelTask(int host_nb,
  84                                         sg_host_t *host_list,
  85                                         double *flops_amount,
  86                                         double *bytes_amount,
  87                                         double rate){
  88 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
  89   Action *action =NULL;
  90   if ((host_nb == 1)
  91       && (cost_or_zero(bytes_amount, 0) == 0.0)){
  92     action = surf_host_execute(host_list[0],flops_amount[0]);
  93   } else if ((host_nb == 1)
  94            && (cost_or_zero(flops_amount, 0) == 0.0)) {
  95     action = surf_network_model->communicate(sg_host_edge(host_list[0]),
  96                                                  sg_host_edge(host_list[0]),
  97                                                                                          bytes_amount[0], rate);
  98   } else if ((host_nb == 2)
  99              && (cost_or_zero(flops_amount, 0) == 0.0)
 100              && (cost_or_zero(flops_amount, 1) == 0.0)) {
 101     int i,nb = 0;
 102     double value = 0.0;
 103
 104     for (i = 0; i < host_nb * host_nb; i++) {
 105       if (cost_or_zero(bytes_amount, i) > 0.0) {
 106         nb++;
 107         value = cost_or_zero(bytes_amount, i);
 108       }
 109     }
 110     if (nb == 1){
 111       action = surf_network_model->communicate(sg_host_edge(host_list[0]),
 112                                                    sg_host_edge(host_list[1]),
 113                                                                                            value, rate);
 114     }
 115   } else
 116     THROW_UNIMPLEMENTED;      /* This model does not implement parallel tasks for more than 2 hosts */
 117 #undef cost_or_zero
 118   xbt_free(host_list);
 119   return action;
 120 }
 121
 122 /************
 123  * Resource *
 124  ************/
 125 HostCLM03::HostCLM03(HostModel *model, const char* name, xbt_dict_t properties, xbt_dynar_t storage, RoutingEdge *netElm, Cpu *cpu)
 126   : Host(model, name, properties, storage, netElm, cpu) {}
 127
 128 bool HostCLM03::isUsed(){
 129   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 130   return -1;
 131 }
 132
 133 void HostCLM03::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/){
 134   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 135 }
 136
 137 Action *HostCLM03::execute(double size) {
 138   return p_cpu->execute(size);
 139 }
 140
 141 Action *HostCLM03::sleep(double duration) {
 142   return p_cpu->sleep(duration);
 143 }
 144
 145 e_surf_resource_state_t HostCLM03::getState() {
 146   return p_cpu->getState();
 147 }
 148
 149 /**********
 150  * Action *
 151  **********/