src/surf/workstation_ptask_L07.cpp

   1 /* Copyright (c) 2007-2010, 2013-2014. 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 "workstation_ptask_L07.hpp"
   8 #include "cpu_interface.hpp"
   9 #include "surf_routing.hpp"
  10
  11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  12
  13 static int ptask_host_count = 0;
  14 static xbt_dict_t ptask_parallel_task_link_set = NULL;
  15 lmm_system_t ptask_maxmin_system = NULL;
  16
  17 WorkstationL07Model::WorkstationL07Model() : WorkstationModel("Workstation ptask_L07") {
  18   if (!ptask_maxmin_system)
  19         ptask_maxmin_system = lmm_system_new(1);
  20   surf_workstation_model = NULL;
  21   surf_network_model = new NetworkL07Model();
  22   surf_cpu_model_pm = new CpuL07Model();
  23   routing_model_create(static_cast<ResourcePtr>(surf_network_model->createResource("__loopback__",
  24                                                           498000000, NULL,
  25                                                           0.000015, NULL,
  26                                                           SURF_RESOURCE_ON, NULL,
  27                                                           SURF_LINK_FATPIPE, NULL)));
  28   p_cpuModel = surf_cpu_model_pm;
  29 }
  30
  31 WorkstationL07Model::~WorkstationL07Model() {
  32   xbt_dict_free(&ptask_parallel_task_link_set);
  33
  34   delete surf_cpu_model_pm;
  35   delete surf_network_model;
  36   ptask_host_count = 0;
  37
  38   if (ptask_maxmin_system) {
  39     lmm_system_free(ptask_maxmin_system);
  40     ptask_maxmin_system = NULL;
  41   }
  42 }
  43
  44 double WorkstationL07Model::shareResources(double /*now*/)
  45 {
  46   WorkstationL07ActionPtr action;
  47
  48   ActionListPtr running_actions = getRunningActionSet();
  49   double min = this->shareResourcesMaxMin(running_actions,
  50                                               ptask_maxmin_system,
  51                                               bottleneck_solve);
  52
  53   for(ActionList::iterator it(running_actions->begin()), itend(running_actions->end())
  54          ; it != itend ; ++it) {
  55         action = static_cast<WorkstationL07ActionPtr>(&*it);
  56     if (action->m_latency > 0) {
  57       if (min < 0) {
  58         min = action->m_latency;
  59         XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
  60                action->getStartTime(), min);
  61       } else if (action->m_latency < min) {
  62         min = action->m_latency;
  63         XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
  64                action->getStartTime(), min);
  65       }
  66     }
  67   }
  68
  69   XBT_DEBUG("min value : %f", min);
  70
  71   return min;
  72 }
  73
  74 void WorkstationL07Model::updateActionsState(double /*now*/, double delta)
  75 {
  76   double deltap = 0.0;
  77   WorkstationL07ActionPtr action;
  78
  79   ActionListPtr actionSet = getRunningActionSet();
  80
  81   for(ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end())
  82          ; it != itend ; it=itNext) {
  83         ++itNext;
  84     action = static_cast<WorkstationL07ActionPtr>(&*it);
  85     deltap = delta;
  86     if (action->m_latency > 0) {
  87       if (action->m_latency > deltap) {
  88         double_update(&(action->m_latency), deltap, sg_surf_precision);
  89         deltap = 0.0;
  90       } else {
  91         double_update(&(deltap), action->m_latency, sg_surf_precision);
  92         action->m_latency = 0.0;
  93       }
  94       if ((action->m_latency == 0.0) && (action->isSuspended() == 0)) {
  95         action->updateBound();
  96         lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 1.0);
  97       }
  98     }
  99     XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
 100            action, action->getRemains(), lmm_variable_getvalue(action->getVariable()) * delta);
 101     action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
 102
 103     if (action->getMaxDuration() != NO_MAX_DURATION)
 104       action->updateMaxDuration(delta);
 105
 106     XBT_DEBUG("Action (%p) : remains (%g).",
 107            action, action->getRemains());
 108     if ((action->getRemains() <= 0) &&
 109         (lmm_get_variable_weight(action->getVariable()) > 0)) {
 110       action->finish();
 111       action->setState(SURF_ACTION_DONE);
 112     } else if ((action->getMaxDuration() != NO_MAX_DURATION) &&
 113                (action->getMaxDuration() <= 0)) {
 114       action->finish();
 115      action->setState(SURF_ACTION_DONE);
 116     } else {
 117       /* Need to check that none of the model has failed */
 118       lmm_constraint_t cnst = NULL;
 119       int i = 0;
 120       void *constraint_id = NULL;
 121
 122       while ((cnst = lmm_get_cnst_from_var(ptask_maxmin_system, action->getVariable(),
 123                                     i++))) {
 124         constraint_id = lmm_constraint_id(cnst);
 125
 126         if (static_cast<WorkstationPtr>(constraint_id)->getState() == SURF_RESOURCE_OFF) {
 127           XBT_DEBUG("Action (%p) Failed!!", action);
 128           action->finish();
 129           action->setState(SURF_ACTION_FAILED);
 130           break;
 131         }
 132       }
 133     }
 134   }
 135   return;
 136 }
 137
 138 ActionPtr WorkstationL07Model::executeParallelTask(int workstation_nb,
 139                                                    void **workstation_list,
 140                                                  double
 141                                                  *computation_amount, double
 142                                                  *communication_amount,
 143                                                  double rate)
 144 {
 145   WorkstationL07ActionPtr action;
 146   int i, j;
 147   unsigned int cpt;
 148   int nb_link = 0;
 149   int nb_host = 0;
 150   double latency = 0.0;
 151
 152   if (ptask_parallel_task_link_set == NULL)
 153     ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
 154
 155   xbt_dict_reset(ptask_parallel_task_link_set);
 156
 157   /* Compute the number of affected resources... */
 158   for (i = 0; i < workstation_nb; i++) {
 159     for (j = 0; j < workstation_nb; j++) {
 160       xbt_dynar_t route=NULL;
 161
 162       if (communication_amount[i * workstation_nb + j] > 0) {
 163         double lat=0.0;
 164         unsigned int cpt;
 165         void *_link;
 166         LinkL07Ptr link;
 167
 168         routing_platf->getRouteAndLatency(static_cast<WorkstationL07Ptr>(workstation_list[i])->p_netElm,
 169                                                   static_cast<WorkstationL07Ptr>(workstation_list[j])->p_netElm,
 170                                                   &route,
 171                                                   &lat);
 172         latency = MAX(latency, lat);
 173
 174         xbt_dynar_foreach(route, cpt, _link) {
 175            link = static_cast<LinkL07Ptr>(_link);
 176            xbt_dict_set(ptask_parallel_task_link_set, link->getName(), link, NULL);
 177         }
 178       }
 179     }
 180   }
 181
 182   nb_link = xbt_dict_length(ptask_parallel_task_link_set);
 183   xbt_dict_reset(ptask_parallel_task_link_set);
 184
 185   for (i = 0; i < workstation_nb; i++)
 186     if (computation_amount[i] > 0)
 187       nb_host++;
 188
 189   action = new WorkstationL07Action(this, 1, 0);
 190   XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
 191          action, workstation_nb, nb_link);
 192   action->m_suspended = 0;        /* Should be useless because of the
 193                                    calloc but it seems to help valgrind... */
 194   action->m_workstationNb = workstation_nb;
 195   action->p_workstationList = (WorkstationPtr *) workstation_list;
 196   action->p_computationAmount = computation_amount;
 197   action->p_communicationAmount = communication_amount;
 198   action->m_latency = latency;
 199   action->m_rate = rate;
 200
 201   action->p_variable = lmm_variable_new(ptask_maxmin_system, action, 1.0,
 202                        (action->m_rate > 0) ? action->m_rate : -1.0,
 203                        workstation_nb + nb_link);
 204
 205   if (action->m_latency > 0)
 206     lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 0.0);
 207
 208   for (i = 0; i < workstation_nb; i++)
 209     lmm_expand(ptask_maxmin_system,
 210                static_cast<CpuPtr>(static_cast<WorkstationL07Ptr>(workstation_list[i])->p_cpu)->getConstraint(),
 211                action->getVariable(), computation_amount[i]);
 212
 213   for (i = 0; i < workstation_nb; i++) {
 214     for (j = 0; j < workstation_nb; j++) {
 215       void *_link;
 216       LinkL07Ptr link;
 217
 218       xbt_dynar_t route=NULL;
 219       if (communication_amount[i * workstation_nb + j] == 0.0)
 220         continue;
 221
 222       routing_platf->getRouteAndLatency(static_cast<WorkstationL07Ptr>(workstation_list[i])->p_netElm,
 223                                         static_cast<WorkstationL07Ptr>(workstation_list[j])->p_netElm,
 224                                             &route, NULL);
 225
 226       xbt_dynar_foreach(route, cpt, _link) {
 227         link = static_cast<LinkL07Ptr>(_link);
 228         lmm_expand_add(ptask_maxmin_system, link->getConstraint(),
 229                        action->getVariable(),
 230                        communication_amount[i * workstation_nb + j]);
 231       }
 232     }
 233   }
 234
 235   if (nb_link + nb_host == 0) {
 236     action->setCost(1.0);
 237     action->setRemains(0.0);
 238   }
 239
 240   return static_cast<ActionPtr>(action);
 241 }
 242
 243 ResourcePtr WorkstationL07Model::createResource(const char *name, double /*power_scale*/,
 244                                                 double /*power_initial*/,
 245                                                 tmgr_trace_t /*power_trace*/,
 246                                                 e_surf_resource_state_t /*state_initial*/,
 247                                                 tmgr_trace_t /*state_trace*/,
 248                                                 xbt_dict_t /*cpu_properties*/)
 249 {
 250   WorkstationL07Ptr wk = NULL;
 251   xbt_assert(!surf_workstation_resource_priv(surf_workstation_resource_by_name(name)),
 252               "Host '%s' declared several times in the platform file.",
 253               name);
 254
 255   wk = new WorkstationL07(this, name, NULL,
 256                                   static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL)),
 257                                   static_cast<CpuPtr>(xbt_lib_get_or_null(host_lib, name, SURF_CPU_LEVEL)));
 258
 259   xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, static_cast<ResourcePtr>(wk));
 260
 261   return wk;//FIXME:xbt_lib_get_elm_or_null(host_lib, name);
 262 }
 263
 264 ActionPtr WorkstationL07Model::communicate(WorkstationPtr src, WorkstationPtr dst,
 265                                        double size, double rate)
 266 {
 267   void **workstation_list = xbt_new0(void *, 2);
 268   double *computation_amount = xbt_new0(double, 2);
 269   double *communication_amount = xbt_new0(double, 4);
 270   ActionPtr res = NULL;
 271
 272   workstation_list[0] = static_cast<ResourcePtr>(src);
 273   workstation_list[1] = static_cast<ResourcePtr>(dst);
 274   communication_amount[1] = size;
 275
 276   res = executeParallelTask(2, workstation_list,
 277                                     computation_amount,
 278                                     communication_amount, rate);
 279
 280   return res;
 281 }
 282
 283 xbt_dynar_t WorkstationL07Model::getRoute(WorkstationPtr src, WorkstationPtr dst)
 284 {
 285   xbt_dynar_t route=NULL;
 286   routing_platf->getRouteAndLatency(src->p_netElm, dst->p_netElm, &route, NULL);
 287   return route;
 288 }
 289
 290 CpuPtr CpuL07Model::createResource(const char *name,  xbt_dynar_t powerPeak,
 291                           int pstate, double power_scale,
 292                           tmgr_trace_t power_trace, int core,
 293                           e_surf_resource_state_t state_initial,
 294                           tmgr_trace_t state_trace,
 295                           xbt_dict_t cpu_properties)
 296 {
 297   double power_initial = xbt_dynar_get_as(powerPeak, pstate, double);
 298
 299   xbt_assert(!surf_workstation_resource_priv(surf_workstation_resource_by_name(name)),
 300               "Host '%s' declared several times in the platform file.",
 301               name);
 302
 303   CpuL07Ptr cpu = new CpuL07(this, name, cpu_properties,
 304                                      power_initial, power_scale, power_trace,state_initial, state_trace);
 305
 306   xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, static_cast<ResourcePtr>(cpu));
 307
 308   return cpu;//FIXME:xbt_lib_get_elm_or_null(host_lib, name);
 309 }
 310
 311 NetworkLinkPtr NetworkL07Model::createResource(const char *name,
 312                                  double bw_initial,
 313                                  tmgr_trace_t bw_trace,
 314                                  double lat_initial,
 315                                  tmgr_trace_t lat_trace,
 316                                  e_surf_resource_state_t
 317                                  state_initial,
 318                                  tmgr_trace_t state_trace,
 319                                  e_surf_link_sharing_policy_t policy,
 320                                  xbt_dict_t properties)
 321 {
 322   xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
 323                       "Link '%s' declared several times in the platform file.",
 324                       name);
 325
 326   LinkL07Ptr nw_link = new LinkL07(this, name, properties,
 327                                        bw_initial, bw_trace,
 328                                        lat_initial, lat_trace,
 329                                        state_initial, state_trace,
 330                                        policy);
 331
 332   xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, static_cast<ResourcePtr>(nw_link));
 333   return nw_link;
 334 }
 335
 336 void WorkstationL07Model::addTraces()
 337 {
 338   xbt_dict_cursor_t cursor = NULL;
 339   char *trace_name, *elm;
 340
 341   if (!trace_connect_list_host_avail)
 342     return;
 343
 344   /* Connect traces relative to cpu */
 345   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 346     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 347     CpuL07Ptr host = static_cast<CpuL07Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
 348
 349     xbt_assert(host, "Host %s undefined", elm);
 350     xbt_assert(trace, "Trace %s undefined", trace_name);
 351
 352     host->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(host));
 353   }
 354
 355   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 356     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 357     CpuL07Ptr host = static_cast<CpuL07Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
 358
 359     xbt_assert(host, "Host %s undefined", elm);
 360     xbt_assert(trace, "Trace %s undefined", trace_name);
 361
 362     host->p_powerEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(host));
 363   }
 364
 365   /* Connect traces relative to network */
 366   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 367     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 368     LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
 369
 370     xbt_assert(link, "Link %s undefined", elm);
 371     xbt_assert(trace, "Trace %s undefined", trace_name);
 372
 373     link->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
 374   }
 375
 376   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 377     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 378     LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
 379
 380     xbt_assert(link, "Link %s undefined", elm);
 381     xbt_assert(trace, "Trace %s undefined", trace_name);
 382
 383     link->p_bwEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
 384   }
 385
 386   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 387     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 388     LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
 389
 390     xbt_assert(link, "Link %s undefined", elm);
 391     xbt_assert(trace, "Trace %s undefined", trace_name);
 392
 393     link->p_latEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
 394   }
 395 }
 396
 397 /************
 398  * Resource *
 399  ************/
 400
 401 WorkstationL07::WorkstationL07(WorkstationModelPtr model, const char* name, xbt_dict_t props, RoutingEdgePtr netElm, CpuPtr cpu)
 402   : Workstation(model, name, props, NULL, netElm, cpu)
 403 {
 404 }
 405
 406 double WorkstationL07::getPowerPeakAt(int /*pstate_index*/)
 407 {
 408         XBT_DEBUG("[ws_get_power_peak_at] Not implemented for workstation_ptask_L07");
 409         return 0.0;
 410 }
 411
 412 int WorkstationL07::getNbPstates()
 413 {
 414         XBT_DEBUG("[ws_get_nb_pstates] Not implemented for workstation_ptask_L07");
 415         return 0.0;
 416 }
 417
 418 void WorkstationL07::setPowerPeakAt(int /*pstate_index*/)
 419 {
 420         XBT_DEBUG("[ws_set_power_peak_at] Not implemented for workstation_ptask_L07");
 421 }
 422
 423 double WorkstationL07::getConsumedEnergy()
 424 {
 425         XBT_DEBUG("[ws_get_consumed_energy] Not implemented for workstation_ptask_L07");
 426         return 0.0;
 427 }
 428
 429 CpuL07::CpuL07(CpuL07ModelPtr model, const char* name, xbt_dict_t props,
 430                    double power_initial,
 431                        double power_scale, tmgr_trace_t power_trace,
 432                        e_surf_resource_state_t state_initial, tmgr_trace_t state_trace)
 433  : Cpu(model, name, props, lmm_constraint_new(ptask_maxmin_system, this, power_initial * power_scale),
 434            1, power_initial, power_scale)
 435 {
 436   xbt_assert(m_powerScale > 0, "Power has to be >0");
 437
 438   if (power_trace)
 439     p_powerEvent = tmgr_history_add_trace(history, power_trace, 0.0, 0,
 440                                            static_cast<ResourcePtr>(this));
 441   else
 442     p_powerEvent = NULL;
 443
 444   setState(state_initial);
 445   if (state_trace)
 446         p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, static_cast<ResourcePtr>(this));
 447 }
 448
 449 LinkL07::LinkL07(NetworkL07ModelPtr model, const char* name, xbt_dict_t props,
 450                          double bw_initial,
 451                          tmgr_trace_t bw_trace,
 452                          double lat_initial,
 453                          tmgr_trace_t lat_trace,
 454                          e_surf_resource_state_t state_initial,
 455                          tmgr_trace_t state_trace,
 456                          e_surf_link_sharing_policy_t policy)
 457  : NetworkLink(model, name, props, lmm_constraint_new(ptask_maxmin_system, this, bw_initial), history, state_trace)
 458 {
 459   m_bwCurrent = bw_initial;
 460   if (bw_trace)
 461     p_bwEvent = tmgr_history_add_trace(history, bw_trace, 0.0, 0, static_cast<ResourcePtr>(this));
 462
 463   setState(state_initial);
 464   m_latCurrent = lat_initial;
 465
 466   if (lat_trace)
 467         p_latEvent = tmgr_history_add_trace(history, lat_trace, 0.0, 0, static_cast<ResourcePtr>(this));
 468
 469   if (policy == SURF_LINK_FATPIPE)
 470         lmm_constraint_shared(getConstraint());
 471 }
 472
 473 bool CpuL07::isUsed(){
 474   return lmm_constraint_used(ptask_maxmin_system, getConstraint());
 475 }
 476
 477 bool LinkL07::isUsed(){
 478   return lmm_constraint_used(ptask_maxmin_system, getConstraint());
 479 }
 480
 481 void CpuL07::updateState(tmgr_trace_event_t event_type, double value, double /*date*/){
 482   XBT_DEBUG("Updating cpu %s (%p) with value %g", getName(), this, value);
 483   if (event_type == p_powerEvent) {
 484           m_powerScale = value;
 485     lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_powerPeak * m_powerScale);
 486     if (tmgr_trace_event_free(event_type))
 487       p_powerEvent = NULL;
 488   } else if (event_type == p_stateEvent) {
 489     if (value > 0)
 490       setState(SURF_RESOURCE_ON);
 491     else
 492       setState(SURF_RESOURCE_OFF);
 493     if (tmgr_trace_event_free(event_type))
 494       p_stateEvent = NULL;
 495   } else {
 496     XBT_CRITICAL("Unknown event ! \n");
 497     xbt_abort();
 498   }
 499   return;
 500 }
 501
 502 void LinkL07::updateState(tmgr_trace_event_t event_type, double value, double date){
 503   XBT_DEBUG("Updating link %s (%p) with value=%f for date=%g", getName(), this, value, date);
 504   if (event_type == p_bwEvent) {
 505     updateBandwidth(value, date);
 506     if (tmgr_trace_event_free(event_type))
 507       p_bwEvent = NULL;
 508   } else if (event_type == p_latEvent) {
 509     updateLatency(value, date);
 510     if (tmgr_trace_event_free(event_type))
 511       p_latEvent = NULL;
 512   } else if (event_type == p_stateEvent) {
 513     if (value > 0)
 514       setState(SURF_RESOURCE_ON);
 515     else
 516       setState(SURF_RESOURCE_OFF);
 517     if (tmgr_trace_event_free(event_type))
 518       p_stateEvent = NULL;
 519   } else {
 520     XBT_CRITICAL("Unknown event ! \n");
 521     xbt_abort();
 522   }
 523   return;
 524 }
 525
 526 e_surf_resource_state_t WorkstationL07::getState()
 527 {
 528   return p_cpu->getState();
 529 }
 530
 531 ActionPtr WorkstationL07::execute(double size)
 532 {
 533   void **workstation_list = xbt_new0(void *, 1);
 534   double *computation_amount = xbt_new0(double, 1);
 535   double *communication_amount = xbt_new0(double, 1);
 536
 537   workstation_list[0] = static_cast<ResourcePtr>(this);
 538   communication_amount[0] = 0.0;
 539   computation_amount[0] = size;
 540
 541   return static_cast<WorkstationL07ModelPtr>(getModel())->executeParallelTask(1, workstation_list,
 542                                               computation_amount,
 543                                      communication_amount, -1);
 544 }
 545
 546 ActionPtr WorkstationL07::sleep(double duration)
 547 {
 548   WorkstationL07ActionPtr action = NULL;
 549
 550   XBT_IN("(%s,%g)", getName(), duration);
 551
 552   action = static_cast<WorkstationL07ActionPtr>(execute(1.0));
 553   action->m_maxDuration = duration;
 554   action->m_suspended = 2;
 555   lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 0.0);
 556
 557   XBT_OUT();
 558   return action;
 559 }
 560
 561 double LinkL07::getBandwidth()
 562 {
 563   return m_bwCurrent;
 564 }
 565
 566 void LinkL07::updateBandwidth(double value, double date)
 567 {
 568   m_bwCurrent = value;
 569   lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_bwCurrent);
 570 }
 571
 572 double LinkL07::getLatency()
 573 {
 574   return m_latCurrent;
 575 }
 576
 577 void LinkL07::updateLatency(double value, double date)
 578 {
 579   lmm_variable_t var = NULL;
 580   WorkstationL07ActionPtr action;
 581   lmm_element_t elem = NULL;
 582
 583   m_latCurrent = value;
 584   while ((var = lmm_get_var_from_cnst(ptask_maxmin_system, getConstraint(), &elem))) {
 585     action = (WorkstationL07ActionPtr) lmm_variable_id(var);
 586     action->updateBound();
 587   }
 588 }
 589
 590
 591 bool LinkL07::isShared()
 592 {
 593   return lmm_constraint_is_shared(getConstraint());
 594 }
 595
 596 /**********
 597  * Action *
 598  **********/
 599
 600 WorkstationL07Action::~WorkstationL07Action(){
 601   free(p_workstationList);
 602   free(p_communicationAmount);
 603   free(p_computationAmount);
 604 }
 605
 606 void WorkstationL07Action::updateBound()
 607 {
 608   double lat_current = 0.0;
 609   double lat_bound = -1.0;
 610   int i, j;
 611
 612   for (i = 0; i < m_workstationNb; i++) {
 613     for (j = 0; j < m_workstationNb; j++) {
 614       xbt_dynar_t route=NULL;
 615
 616       if (p_communicationAmount[i * m_workstationNb + j] > 0) {
 617         double lat = 0.0;
 618         routing_platf->getRouteAndLatency(static_cast<WorkstationL07Ptr>(((void**)p_workstationList)[i])->p_netElm,
 619                                           static_cast<WorkstationL07Ptr>(((void**)p_workstationList)[j])->p_netElm,
 620                                                           &route, &lat);
 621
 622         lat_current = MAX(lat_current, lat * p_communicationAmount[i * m_workstationNb + j]);
 623       }
 624     }
 625   }
 626   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 627   XBT_DEBUG("action (%p) : lat_bound = %g", this, lat_bound);
 628   if ((m_latency == 0.0) && (m_suspended == 0)) {
 629     if (m_rate < 0)
 630       lmm_update_variable_bound(ptask_maxmin_system, getVariable(), lat_bound);
 631     else
 632       lmm_update_variable_bound(ptask_maxmin_system, getVariable(), min(m_rate, lat_bound));
 633   }
 634 }
 635
 636 int WorkstationL07Action::unref()
 637 {
 638   m_refcount--;
 639   if (!m_refcount) {
 640     if (actionHook::is_linked())
 641           p_stateSet->erase(p_stateSet->iterator_to(*this));
 642     if (getVariable())
 643       lmm_variable_free(ptask_maxmin_system, getVariable());
 644     delete this;
 645     return 1;
 646   }
 647   return 0;
 648 }
 649
 650 void WorkstationL07Action::cancel()
 651 {
 652   setState(SURF_ACTION_FAILED);
 653   return;
 654 }
 655
 656 void WorkstationL07Action::suspend()
 657 {
 658   XBT_IN("(%p))", this);
 659   if (m_suspended != 2) {
 660     m_suspended = 1;
 661     lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 0.0);
 662   }
 663   XBT_OUT();
 664 }
 665
 666 void WorkstationL07Action::resume()
 667 {
 668   XBT_IN("(%p)", this);
 669   if (m_suspended != 2) {
 670     lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 1.0);
 671     m_suspended = 0;
 672   }
 673   XBT_OUT();
 674 }
 675
 676 bool WorkstationL07Action::isSuspended()
 677 {
 678   return m_suspended == 1;
 679 }
 680
 681 void WorkstationL07Action::setMaxDuration(double duration)
 682 {                               /* FIXME: should inherit */
 683   XBT_IN("(%p,%g)", this, duration);
 684   m_maxDuration = duration;
 685   XBT_OUT();
 686 }
 687
 688 void WorkstationL07Action::setPriority(double priority)
 689 {                               /* FIXME: should inherit */
 690   XBT_IN("(%p,%g)", this, priority);
 691   m_priority = priority;
 692   XBT_OUT();
 693 }
 694
 695 double WorkstationL07Action::getRemains()
 696 {
 697   XBT_IN("(%p)", this);
 698   XBT_OUT();
 699   return m_remains;
 700 }
 701
 702 /*FIXME:remove static void ptask_finalize(void)
 703 {
 704   xbt_dict_free(&ptask_parallel_task_link_set);
 705
 706   delete surf_workstation_model;
 707   surf_workstation_model = NULL;
 708   delete surf_network_model;
 709   surf_network_model = NULL;
 710
 711   ptask_host_count = 0;
 712
 713   if (ptask_maxmin_system) {
 714     lmm_system_free(ptask_maxmin_system);
 715     ptask_maxmin_system = NULL;
 716   }
 717   }*/
 718
 719 /**************************************/
 720 /******* Resource Private    **********/
 721 /**************************************/
 722
 723 /**************************************/
 724 /*** Resource Creation & Destruction **/
 725 /**************************************/
 726
 727 static void ptask_parse_workstation_init(sg_platf_host_cbarg_t host)
 728 {
 729   double power_peak = xbt_dynar_get_as(host->power_peak, host->pstate, double);
 730   //cpu->power_peak = power_peak;
 731   xbt_dynar_free(&(host->power_peak));  /* kill memory leak */
 732   static_cast<WorkstationL07ModelPtr>(surf_workstation_model)->createResource(
 733       host->id,
 734       power_peak,
 735       host->power_scale,
 736       host->power_trace,
 737       host->initial_state,
 738       host->state_trace,
 739       host->properties);
 740 }
 741
 742 static void ptask_parse_link_init(sg_platf_link_cbarg_t link)
 743 {
 744   if (link->policy == SURF_LINK_FULLDUPLEX) {
 745     char *link_id;
 746     link_id = bprintf("%s_UP", link->id);
 747     static_cast<NetworkL07ModelPtr>(surf_network_model)->createResource(link_id,
 748                                link->bandwidth,
 749                                link->bandwidth_trace,
 750                                link->latency,
 751                                link->latency_trace,
 752                                link->state,
 753                                link->state_trace,
 754                                link->policy,
 755                                link->properties);
 756     xbt_free(link_id);
 757     link_id = bprintf("%s_DOWN", link->id);
 758     static_cast<NetworkL07ModelPtr>(surf_network_model)->createResource(link_id,
 759                                link->bandwidth,
 760                                link->bandwidth_trace,
 761                                link->latency,
 762                                link->latency_trace,
 763                                link->state,
 764                                link->state_trace,
 765                                link->policy,
 766                                NULL); /* FIXME: We need to deep copy the
 767                                        * properties or we won't be able to free
 768                                        * it */
 769     xbt_free(link_id);
 770   } else {
 771           static_cast<NetworkL07ModelPtr>(surf_network_model)->createResource(link->id,
 772                                link->bandwidth,
 773                                link->bandwidth_trace,
 774                                link->latency,
 775                                link->latency_trace,
 776                                link->state,
 777                                link->state_trace,
 778                                link->policy,
 779                                link->properties);
 780   }
 781
 782   current_property_set = NULL;
 783 }
 784
 785 static void ptask_add_traces(){
 786   static_cast<WorkstationL07ModelPtr>(surf_workstation_model)->addTraces();
 787 }
 788
 789 static void ptask_define_callbacks()
 790 {
 791   sg_platf_host_add_cb(parse_cpu_init);
 792   sg_platf_host_add_cb(ptask_parse_workstation_init);
 793   sg_platf_link_add_cb(ptask_parse_link_init);
 794   sg_platf_postparse_add_cb(ptask_add_traces);
 795 }
 796
 797 /**************************************/
 798 /*************** Generic **************/
 799 /**************************************/
 800 void surf_workstation_model_init_ptask_L07(void)
 801 {
 802   XBT_INFO("surf_workstation_model_init_ptask_L07");
 803   xbt_assert(!surf_cpu_model_pm, "CPU model type already defined");
 804   xbt_assert(!surf_network_model, "network model type already defined");
 805   ptask_define_callbacks();
 806   surf_workstation_model = new WorkstationL07Model();
 807   ModelPtr model = static_cast<ModelPtr>(surf_workstation_model);
 808   xbt_dynar_push(model_list, &model);
 809   xbt_dynar_push(model_list_invoke, &model);
 810 }