src/surf/workstation_KCCFLN05.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2005 Arnaud Legrand. All rights reserved.                  */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #include "xbt/ex.h"
   9 #include "xbt/dict.h"
  10 #include "workstation_KCCFLN05_private.h"
  11
  12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  13                                 "Logging specific to the SURF workstation module (KCCFLN05)");
  14
  15 static int nb_workstation = 0;
  16 static s_route_KCCFLN05_t *routing_table = NULL;
  17 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  18 static network_link_KCCFLN05_t loopback = NULL;
  19 static xbt_dict_t parallel_task_network_link_set = NULL;
  20
  21 /*xbt_dict_t network_link_set = NULL;*/
  22
  23 /* convenient function */
  24 static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
  25 {
  26   int cpt;
  27   surf_action_workstation_KCCFLN05_t action = NULL;
  28   if ((!xbt_dynar_length(cpu->incomming_communications)) &&
  29       (!xbt_dynar_length(cpu->outgoing_communications))) {
  30     /* No communications */
  31     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  32                                 cpu->power_current * cpu->power_scale);
  33   } else if ((!xbt_dynar_length(cpu->incomming_communications))
  34              && (xbt_dynar_length(cpu->outgoing_communications))) {
  35     /* Emission */
  36     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  37                                 cpu->power_current * cpu->power_scale *
  38                                 cpu->interference_send);
  39     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  40       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  41                          cpu->power_current * cpu->power_scale *
  42                          ROUTE(action->src->id, action->dst->id).impact_on_src
  43                          );
  44   } else if ((xbt_dynar_length(cpu->incomming_communications)) &&
  45              (!xbt_dynar_length(cpu->outgoing_communications))) {
  46     /* Reception */
  47     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  48                                 cpu->power_current * cpu->power_scale *
  49                                 cpu->interference_recv);
  50     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  51       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  52                          cpu->power_current * cpu->power_scale *
  53                          ROUTE(action->src->id, action->dst->id).impact_on_dst
  54                          );
  55   } else {
  56     /* Emission & Reception */
  57     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  58                                 cpu->power_current * cpu->power_scale *
  59                                 cpu->interference_send_recv);
  60     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  61       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  62                          cpu->power_current * cpu->power_scale *
  63                          ROUTE(action->src->id, action->dst->id).impact_on_src_with_other_recv
  64                          );
  65     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  66       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  67                          cpu->power_current * cpu->power_scale *
  68                          ROUTE(action->src->id, action->dst->id).impact_on_dst_with_other_send
  69                          );
  70   }
  71 }
  72
  73 /**************************************/
  74 /******* Resource Public     **********/
  75 /**************************************/
  76
  77 static void *name_service(const char *name)
  78 {
  79   return xbt_dict_get_or_null(workstation_set, name);
  80 }
  81
  82 static const char *get_resource_name(void *resource_id)
  83 {
  84   /* We can freely cast as a cpu_KCCFLN05_t because it has the same
  85      prefix as network_link_KCCFLN05_t. However, only cpu_KCCFLN05_t
  86      will theoretically be given as an argument here. */
  87   return ((cpu_KCCFLN05_t) resource_id)->name;
  88 }
  89
  90 /* action_get_state is inherited from the surf module */
  91
  92 static void action_use(surf_action_t action)
  93 {
  94   action->using++;
  95   return;
  96 }
  97
  98 static int action_free(surf_action_t action)
  99 {
 100   int cpt;
 101   surf_action_t act = NULL;
 102   cpu_KCCFLN05_t src = ((surf_action_workstation_KCCFLN05_t) action)->src;
 103   cpu_KCCFLN05_t dst = ((surf_action_workstation_KCCFLN05_t) action)->dst;
 104
 105   action->using--;
 106   if (!action->using) {
 107     xbt_swag_remove(action, action->state_set);
 108     if (((surf_action_workstation_KCCFLN05_t) action)->variable)
 109       lmm_variable_free(maxmin_system,
 110                         ((surf_action_workstation_KCCFLN05_t) action)->
 111                         variable);
 112     if(src)
 113       xbt_dynar_foreach(src->outgoing_communications, cpt, act)
 114         if (act == action) {
 115           xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
 116           break;
 117         }
 118
 119     if(dst)
 120       xbt_dynar_foreach(dst->incomming_communications, cpt, act)
 121         if (act == action) {
 122           xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
 123           break;
 124         }
 125
 126     if(src && (!xbt_dynar_length(src->outgoing_communications)))
 127       __update_cpu_usage(src);
 128     if(dst && (!xbt_dynar_length(dst->incomming_communications)))
 129       __update_cpu_usage(dst);
 130
 131     free(action);
 132     return 1;
 133   }
 134   return 0;
 135 }
 136
 137 static void action_cancel(surf_action_t action)
 138 {
 139   surf_action_change_state(action, SURF_ACTION_FAILED);
 140   return;
 141 }
 142
 143 static void action_recycle(surf_action_t action)
 144 {
 145   DIE_IMPOSSIBLE;
 146   return;
 147 }
 148
 149 /* action_change_state is inherited from the surf module */
 150 /* action_set_data is inherited from the surf module */
 151
 152 static void action_suspend(surf_action_t action)
 153 {
 154   XBT_IN1("(%p))",action);
 155   if(((surf_action_workstation_KCCFLN05_t) action)->suspended != 2) {
 156     ((surf_action_workstation_KCCFLN05_t) action)->suspended = 1;
 157     lmm_update_variable_weight(maxmin_system,
 158                                ((surf_action_workstation_KCCFLN05_t)
 159                                 action)->variable, 0.0);
 160   }
 161   XBT_OUT;
 162 }
 163
 164 static void action_resume(surf_action_t action)
 165 {
 166   XBT_IN1("(%p)",action);
 167   if(((surf_action_workstation_KCCFLN05_t) action)->suspended !=2) {
 168     if(((surf_action_workstation_KCCFLN05_t)action)->lat_current==0.0)
 169       lmm_update_variable_weight(maxmin_system,
 170                                  ((surf_action_workstation_KCCFLN05_t)
 171                                   action)->variable, 1.0);
 172     else
 173       lmm_update_variable_weight(maxmin_system,
 174                                  ((surf_action_workstation_KCCFLN05_t) action)->variable,
 175                                  ((surf_action_workstation_KCCFLN05_t) action)->lat_current);
 176
 177     ((surf_action_workstation_KCCFLN05_t) action)->suspended = 0;
 178   }
 179   XBT_OUT;
 180 }
 181
 182 static int action_is_suspended(surf_action_t action)
 183 {
 184   return (((surf_action_workstation_KCCFLN05_t) action)->suspended==1);
 185 }
 186
 187 static void action_set_max_duration(surf_action_t action, double duration)
 188 {                               /* FIXME: should inherit */
 189   XBT_IN2("(%p,%g)",action,duration);
 190   action->max_duration = duration;
 191   XBT_OUT;
 192 }
 193
 194
 195 static void action_set_priority(surf_action_t action, double priority)
 196 {                               /* FIXME: should inherit */
 197   XBT_IN2("(%p,%g)",action,priority);
 198   action->priority = priority;
 199   XBT_OUT;
 200 }
 201
 202 /**************************************/
 203 /******* Resource Private    **********/
 204 /**************************************/
 205
 206 static int resource_used(void *resource_id)
 207 {
 208   /* We can freely cast as a network_link_KCCFLN05_t because it has
 209      the same prefix as cpu_KCCFLN05_t */
 210   if(((cpu_KCCFLN05_t) resource_id)->type == SURF_WORKSTATION_RESOURCE_CPU)
 211     return (lmm_constraint_used(maxmin_system,
 212                                ((cpu_KCCFLN05_t) resource_id)->
 213                                constraint) ||
 214             ((((cpu_KCCFLN05_t) resource_id)->bus)?
 215              lmm_constraint_used(maxmin_system,
 216                                 ((cpu_KCCFLN05_t) resource_id)->
 217                                 bus):0));
 218   else
 219     return lmm_constraint_used(maxmin_system,
 220                                ((network_link_KCCFLN05_t) resource_id)->
 221                                constraint);
 222
 223 }
 224
 225 static double share_resources(double now)
 226 {
 227   s_surf_action_workstation_KCCFLN05_t s_action;
 228   surf_action_workstation_KCCFLN05_t action = NULL;
 229
 230   xbt_swag_t running_actions = surf_workstation_resource->common_public->states.running_action_set;
 231   double min = generic_maxmin_share_resources(running_actions,
 232                                               xbt_swag_offset(s_action, variable));
 233
 234   xbt_swag_foreach(action, running_actions) {
 235     if(action->latency>0) {
 236       if(min<0) {
 237         min = action->latency;
 238         DEBUG2("Updating min (value) with %p: %f",action, min);
 239       }
 240       else if (action->latency<min) {
 241         min = action->latency;
 242         DEBUG2("Updating min (latency) with %p: %f",action, min);
 243       }
 244     }
 245   }
 246
 247   DEBUG1("min value : %f",min);
 248
 249   return min;
 250 }
 251
 252 static void update_actions_state(double now, double delta)
 253 {
 254   double deltap = 0.0;
 255   surf_action_workstation_KCCFLN05_t action = NULL;
 256   surf_action_workstation_KCCFLN05_t next_action = NULL;
 257   xbt_swag_t running_actions =
 258       surf_workstation_resource->common_public->states.running_action_set;
 259
 260   xbt_swag_foreach_safe(action, next_action, running_actions) {
 261     deltap = delta;
 262     if (action->latency > 0) {
 263       if (action->latency > deltap) {
 264         double_update(&(action->latency), deltap);
 265         deltap = 0.0;
 266       } else {
 267         double_update(&(deltap), action->latency);
 268         action->latency = 0.0;
 269       }
 270       if ((action->latency == 0.0) && (action->suspended==0)) {
 271         if((action)->lat_current==0.0)
 272           lmm_update_variable_weight(maxmin_system,action->variable, 1.0);
 273         else
 274           lmm_update_variable_weight(maxmin_system, action->variable,
 275                                      action->lat_current);
 276       }
 277     }
 278     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 279            action, action->generic_action.remains,
 280            lmm_variable_getvalue(action->variable) * deltap);
 281     double_update(&(action->generic_action.remains),
 282                        lmm_variable_getvalue(action->variable) * deltap);
 283
 284     if (action->generic_action.max_duration != NO_MAX_DURATION)
 285       double_update(&(action->generic_action.max_duration), delta);
 286
 287     /*   if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
 288
 289     if ((action->generic_action.remains <= 0) &&
 290         (lmm_get_variable_weight(action->variable)>0)) {
 291       action->generic_action.finish = surf_get_clock();
 292       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 293     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 294                (action->generic_action.max_duration <= 0)) {
 295       action->generic_action.finish = surf_get_clock();
 296       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 297     } else {                    /* Need to check that none of the resource has failed */
 298       lmm_constraint_t cnst = NULL;
 299       int i = 0;
 300       void *constraint_id = NULL;
 301
 302       while ((cnst =
 303               lmm_get_cnst_from_var(maxmin_system, action->variable,
 304                                     i++))) {
 305         constraint_id = lmm_constraint_id(cnst);
 306         if(((((network_link_KCCFLN05_t)constraint_id)->type==
 307              SURF_WORKSTATION_RESOURCE_LINK) &&
 308             (((network_link_KCCFLN05_t)constraint_id)->state_current==
 309              SURF_NETWORK_LINK_OFF)) ||
 310            ((((cpu_KCCFLN05_t)constraint_id)->type==
 311              SURF_WORKSTATION_RESOURCE_CPU) &&
 312             (((cpu_KCCFLN05_t)constraint_id)->state_current==
 313              SURF_CPU_OFF))) {
 314           action->generic_action.finish = surf_get_clock();
 315           surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 316           break;
 317         }
 318       }
 319     }
 320   }
 321   return;
 322 }
 323
 324 static void update_resource_state(void *id,
 325                                   tmgr_trace_event_t event_type,
 326                                   double value)
 327 {
 328   cpu_KCCFLN05_t cpu = id;
 329   network_link_KCCFLN05_t nw_link = id ;
 330
 331   if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 332     if (event_type == nw_link->bw_event) {
 333       nw_link->bw_current = value;
 334       lmm_update_constraint_bound(maxmin_system, nw_link->constraint,
 335                                   nw_link->bw_current);
 336     } else if (event_type == nw_link->lat_event) {
 337       double delta = value - nw_link->lat_current;
 338       lmm_variable_t var = NULL;
 339       surf_action_workstation_KCCFLN05_t action = NULL;
 340
 341       nw_link->lat_current = value;
 342       while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
 343         action = lmm_variable_id(var);
 344         action->lat_current += delta;
 345         if(action->rate<0)
 346           lmm_update_variable_bound(maxmin_system, action->variable,
 347                                     SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 348         else
 349           lmm_update_variable_bound(maxmin_system, action->variable,
 350                                     min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 351         if(action->suspended==0)
 352           lmm_update_variable_weight(maxmin_system, action->variable,
 353                                      action->lat_current);
 354       }
 355     } else if (event_type == nw_link->state_event) {
 356       if (value > 0)
 357         nw_link->state_current = SURF_NETWORK_LINK_ON;
 358       else
 359         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 360     } else {
 361       CRITICAL0("Unknown event ! \n");
 362       xbt_abort();
 363     }
 364     return;
 365   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 366     if (event_type == cpu->power_event) {
 367       cpu->power_current = value;
 368       __update_cpu_usage(cpu);
 369     } else if (event_type == cpu->state_event) {
 370       if (value > 0)
 371         cpu->state_current = SURF_CPU_ON;
 372       else
 373         cpu->state_current = SURF_CPU_OFF;
 374     } else {
 375       CRITICAL0("Unknown event ! \n");
 376       xbt_abort();
 377     }
 378     return;
 379   } else {
 380     DIE_IMPOSSIBLE;
 381   }
 382   return;
 383 }
 384
 385 static void finalize(void)
 386 {
 387   int i,j;
 388
 389   xbt_dict_free(&network_link_set);
 390   xbt_dict_free(&workstation_set);
 391   if (parallel_task_network_link_set != NULL) {
 392     xbt_dict_free(&parallel_task_network_link_set);
 393   }
 394   xbt_swag_free(surf_workstation_resource->common_public->states.
 395                 ready_action_set);
 396   xbt_swag_free(surf_workstation_resource->common_public->states.
 397                 running_action_set);
 398   xbt_swag_free(surf_workstation_resource->common_public->states.
 399                 failed_action_set);
 400   xbt_swag_free(surf_workstation_resource->common_public->states.
 401                 done_action_set);
 402
 403   free(surf_workstation_resource->common_public);
 404   free(surf_workstation_resource->common_private);
 405   free(surf_workstation_resource->extension_public);
 406
 407   free(surf_workstation_resource);
 408   surf_workstation_resource = NULL;
 409
 410   for (i = 0; i < nb_workstation; i++)
 411     for (j = 0; j < nb_workstation; j++)
 412       free(ROUTE(i, j).links);
 413   free(routing_table);
 414   routing_table = NULL;
 415   nb_workstation = 0;
 416
 417   if (maxmin_system) {
 418     lmm_system_free(maxmin_system);
 419     maxmin_system = NULL;
 420   }
 421 }
 422
 423 /**************************************/
 424 /******* Resource Private    **********/
 425 /**************************************/
 426
 427 static surf_action_t execute(void *cpu, double size)
 428 {
 429   surf_action_workstation_KCCFLN05_t action = NULL;
 430   cpu_KCCFLN05_t CPU = cpu;
 431
 432   XBT_IN2("(%s,%g)",CPU->name,size);
 433   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 434
 435   action->generic_action.using = 1;
 436   action->generic_action.cost = size;
 437   action->generic_action.remains = size;
 438   action->generic_action.priority = 1.0;
 439   action->generic_action.max_duration = NO_MAX_DURATION;
 440   action->generic_action.start = surf_get_clock();
 441   action->generic_action.finish = -1.0;
 442   action->generic_action.resource_type =
 443       (surf_resource_t) surf_workstation_resource;
 444   action->suspended = 0;
 445
 446   if (CPU->state_current == SURF_CPU_ON)
 447     action->generic_action.state_set =
 448         surf_workstation_resource->common_public->states.running_action_set;
 449   else
 450     action->generic_action.state_set =
 451         surf_workstation_resource->common_public->states.failed_action_set;
 452   xbt_swag_insert(action, action->generic_action.state_set);
 453
 454   action->variable = lmm_variable_new(maxmin_system, action,
 455                                       action->generic_action.priority, -1.0, 1);
 456   lmm_expand(maxmin_system, CPU->constraint, action->variable,
 457              1.0);
 458   XBT_OUT;
 459   return (surf_action_t) action;
 460 }
 461
 462 static surf_action_t action_sleep(void *cpu, double duration)
 463 {
 464   surf_action_workstation_KCCFLN05_t action = NULL;
 465
 466   XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
 467
 468   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
 469   action->generic_action.max_duration = duration;
 470   action->suspended = 2;
 471   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 472
 473   XBT_OUT;
 474   return (surf_action_t) action;
 475 }
 476
 477 static e_surf_cpu_state_t resource_get_state(void *cpu)
 478 {
 479   return ((cpu_KCCFLN05_t) cpu)->state_current;
 480 }
 481
 482 static double get_speed(void *cpu, double load)
 483 {
 484   return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
 485 }
 486
 487 static double get_available_speed(void *cpu)
 488 {
 489   return ((cpu_KCCFLN05_t) cpu)->power_current;
 490 }
 491
 492 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 493 {
 494   surf_action_workstation_KCCFLN05_t action = NULL;
 495   cpu_KCCFLN05_t card_src = src;
 496   cpu_KCCFLN05_t card_dst = dst;
 497   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 498   int route_size = route->size;
 499   int i;
 500
 501   XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
 502   xbt_assert2(route_size,"You're trying to send data from %s to %s but there is no connexion between these two cards.", card_src->name, card_dst->name);
 503
 504   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 505
 506   action->generic_action.using = 1;
 507   action->generic_action.cost = size;
 508   action->generic_action.remains = size;
 509   action->generic_action.max_duration = NO_MAX_DURATION;
 510   action->generic_action.start = surf_get_clock();
 511   action->generic_action.finish = -1.0;
 512   action->src = src;
 513   action->dst = dst;
 514   action->generic_action.resource_type =
 515     (surf_resource_t) surf_workstation_resource;
 516   action->suspended = 0;  /* Should be useless because of the
 517                              calloc but it seems to help valgrind... */
 518   action->generic_action.state_set =
 519       surf_workstation_resource->common_public->states.running_action_set;
 520
 521   xbt_dynar_push(card_src->outgoing_communications, &action);
 522   xbt_dynar_push(card_dst->incomming_communications, &action);
 523
 524   xbt_swag_insert(action, action->generic_action.state_set);
 525   action->rate = rate;
 526
 527   action->latency = 0.0;
 528   for (i = 0; i < route_size; i++)
 529     action->latency += route->links[i]->lat_current;
 530   action->lat_current = action->latency;
 531
 532   if(action->latency>0)
 533     action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
 534                                         route_size+4); /* +1 for the src bus
 535                                                           +1 for the dst bus
 536                                                           +1 for the src cpu
 537                                                           +1 for the dst cpu */
 538   else
 539     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 540                                         route_size+4);
 541
 542   if(action->rate<0) {
 543     if(action->lat_current>0)
 544       lmm_update_variable_bound(maxmin_system, action->variable,
 545                                 SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 546     else
 547       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
 548   } else {
 549     if(action->lat_current>0)
 550       lmm_update_variable_bound(maxmin_system, action->variable,
 551                                 min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 552     else
 553       lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
 554   }
 555
 556   for (i = 0; i < route_size; i++)
 557     lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
 558   if (card_src->bus)
 559     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
 560   if (card_dst->bus)
 561     lmm_expand(maxmin_system, card_dst->bus, action->variable, 1.0);
 562   lmm_expand(maxmin_system, card_src->constraint, action->variable, 0.0);
 563   lmm_expand(maxmin_system, card_dst->constraint, action->variable, 0.0);
 564
 565   XBT_OUT;
 566   return (surf_action_t) action;
 567 }
 568
 569 static surf_action_t execute_parallel_task(int workstation_nb,
 570                                            void **workstation_list,
 571                                            double *computation_amount,
 572                                            double *communication_amount,
 573                                            double amount,
 574                                            double rate)
 575 {
 576   surf_action_workstation_KCCFLN05_t action = NULL;
 577   int i, j, k;
 578   int nb_link = 0;
 579   int nb_host = 0;
 580
 581   if (parallel_task_network_link_set == NULL) {
 582     parallel_task_network_link_set = xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 583   }
 584
 585   /* Compute the number of affected resources... */
 586   for(i=0; i< workstation_nb; i++) {
 587     for(j=0; j< workstation_nb; j++) {
 588       cpu_KCCFLN05_t card_src = workstation_list[i];
 589       cpu_KCCFLN05_t card_dst = workstation_list[j];
 590       int route_size = ROUTE(card_src->id, card_dst->id).size;
 591       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 592
 593       if(communication_amount[i*workstation_nb+j]>0)
 594         for(k=0; k< route_size; k++) {
 595           xbt_dict_set(parallel_task_network_link_set, route[k]->name, route[k], NULL);
 596         }
 597     }
 598   }
 599   nb_link = xbt_dict_length(parallel_task_network_link_set);
 600   xbt_dict_reset(parallel_task_network_link_set);
 601
 602
 603   for (i = 0; i<workstation_nb; i++)
 604     if(computation_amount[i]>0) nb_host++;
 605
 606
 607   if(nb_link + nb_host == 0) /* was workstation_nb... */
 608     return NULL;
 609
 610   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 611   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 612          action, nb_host,  nb_link);
 613   action->generic_action.using = 1;
 614   action->generic_action.cost = amount;
 615   action->generic_action.remains = amount;
 616   action->generic_action.max_duration = NO_MAX_DURATION;
 617   action->generic_action.start = -1.0;
 618   action->generic_action.finish = -1.0;
 619   action->generic_action.resource_type =
 620       (surf_resource_t) surf_workstation_resource;
 621   action->suspended = 0;  /* Should be useless because of the
 622                              calloc but it seems to help valgrind... */
 623   action->generic_action.state_set =
 624       surf_workstation_resource->common_public->states.running_action_set;
 625
 626   xbt_swag_insert(action, action->generic_action.state_set);
 627   action->rate = rate;
 628
 629   if(action->rate>0)
 630     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 631                                         nb_host + nb_link);
 632   else
 633     action->variable = lmm_variable_new(maxmin_system, action, 1.0, action->rate,
 634                                         nb_host + nb_link);
 635
 636   for (i = 0; i<workstation_nb; i++)
 637     if(computation_amount[i]>0)
 638       lmm_expand(maxmin_system, ((cpu_KCCFLN05_t) workstation_list[i])->constraint,
 639                  action->variable, computation_amount[i]);
 640
 641   for (i=0; i<workstation_nb; i++) {
 642     for(j=0; j< workstation_nb; j++) {
 643       cpu_KCCFLN05_t card_src = workstation_list[i];
 644       cpu_KCCFLN05_t card_dst = workstation_list[j];
 645       int route_size = ROUTE(card_src->id, card_dst->id).size;
 646       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 647
 648       for(k=0; k< route_size; k++) {
 649         if(communication_amount[i*workstation_nb+j]>0) {
 650           lmm_expand_add(maxmin_system, route[k]->constraint,
 651                        action->variable, communication_amount[i*workstation_nb+j]);
 652         }
 653       }
 654     }
 655   }
 656
 657   return (surf_action_t) action;
 658 }
 659
 660 /* returns an array of network_link_KCCFLN05_t */
 661 static const void** get_route(void *src, void *dst) {
 662   cpu_KCCFLN05_t card_src = src;
 663   cpu_KCCFLN05_t card_dst = dst;
 664   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 665
 666   return (const void**) route->links;
 667 }
 668
 669 static int get_route_size(void *src, void *dst) {
 670   cpu_KCCFLN05_t card_src = src;
 671   cpu_KCCFLN05_t card_dst = dst;
 672   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 673   return route->size;
 674 }
 675
 676 static const char *get_link_name(const void *link) {
 677   return ((network_link_KCCFLN05_t) link)->name;
 678 }
 679
 680 static double get_link_bandwidth(const void *link) {
 681   return ((network_link_KCCFLN05_t) link)->bw_current;
 682 }
 683
 684 static double get_link_latency(const void *link) {
 685   return ((network_link_KCCFLN05_t) link)->lat_current;
 686 }
 687
 688 /**************************************/
 689 /*** Resource Creation & Destruction **/
 690 /**************************************/
 691
 692 static void cpu_free(void *cpu)
 693 {
 694   free(((cpu_KCCFLN05_t) cpu)->name);
 695   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->incomming_communications));
 696   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->outgoing_communications));
 697   free(cpu);
 698 }
 699
 700 static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
 701                               double power_initial,
 702                               tmgr_trace_t power_trace,
 703                               e_surf_cpu_state_t state_initial,
 704                               tmgr_trace_t state_trace,
 705                               double interference_send,
 706                               double interference_recv,
 707                               double interference_send_recv,
 708                               double max_outgoing_rate)
 709 {
 710   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 711
 712   cpu->resource = (surf_resource_t) surf_workstation_resource;
 713   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 714   cpu->name = xbt_strdup(name);
 715   cpu->id = nb_workstation++;
 716
 717   cpu->power_scale = power_scale;
 718   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 719
 720   cpu->power_current = power_initial;
 721   if (power_trace)
 722     cpu->power_event =
 723         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 724
 725   cpu->state_current = state_initial;
 726   if (state_trace)
 727     cpu->state_event =
 728         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 729
 730   cpu->interference_send = interference_send;
 731   cpu->interference_recv = interference_recv;
 732   cpu->interference_send_recv = interference_send_recv;
 733
 734   cpu->constraint =
 735       lmm_constraint_new(maxmin_system, cpu,
 736                          cpu->power_current * cpu->power_scale);
 737   if (max_outgoing_rate > 0)
 738     cpu->bus = lmm_constraint_new(maxmin_system, cpu, max_outgoing_rate);
 739
 740   cpu->incomming_communications =
 741       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 742   cpu->outgoing_communications =
 743       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 744
 745   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 746
 747   return cpu;
 748 }
 749
 750 static void parse_cpu(void)
 751 {
 752   double power_scale = 0.0;
 753   double power_initial = 0.0;
 754   tmgr_trace_t power_trace = NULL;
 755   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 756   tmgr_trace_t state_trace = NULL;
 757   double interference_send = 0.0;
 758   double interference_recv = 0.0;
 759   double interference_send_recv = 0.0;
 760   double max_outgoing_rate = -1.0;
 761
 762   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 763   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 764   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 765
 766   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 767               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 768               "Invalid state");
 769   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 770     state_initial = SURF_CPU_ON;
 771   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 772     state_initial = SURF_CPU_OFF;
 773   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 774
 775   surf_parse_get_double(&interference_send,
 776                         A_surfxml_cpu_interference_send);
 777   surf_parse_get_double(&interference_recv,
 778                         A_surfxml_cpu_interference_recv);
 779   surf_parse_get_double(&interference_send_recv,
 780                         A_surfxml_cpu_interference_send_recv);
 781   surf_parse_get_double(&max_outgoing_rate,
 782                         A_surfxml_cpu_max_outgoing_rate);
 783
 784   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 785           state_initial, state_trace, interference_send, interference_recv,
 786           interference_send_recv, max_outgoing_rate);
 787 }
 788
 789 static void create_routing_table(void)
 790 {
 791   routing_table =
 792       xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 793 }
 794
 795 static void network_link_free(void *nw_link)
 796 {
 797   free(((network_link_KCCFLN05_t) nw_link)->name);
 798   free(nw_link);
 799 }
 800
 801 static network_link_KCCFLN05_t network_link_new(char *name,
 802                                                 double bw_initial,
 803                                                 tmgr_trace_t bw_trace,
 804                                                 double lat_initial,
 805                                                 tmgr_trace_t lat_trace,
 806                                                 e_surf_network_link_state_t
 807                                                 state_initial,
 808                                                 tmgr_trace_t state_trace,
 809                                                 e_surf_network_link_sharing_policy_t policy)
 810 {
 811   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 812
 813
 814   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 815   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 816   nw_link->name = name;
 817   nw_link->bw_current = bw_initial;
 818   if (bw_trace)
 819     nw_link->bw_event =
 820         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 821   nw_link->state_current = state_initial;
 822   nw_link->lat_current = lat_initial;
 823   if (lat_trace)
 824     nw_link->lat_event =
 825         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 826   if (state_trace)
 827     nw_link->state_event =
 828         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 829
 830   nw_link->constraint =
 831       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 832
 833   if(policy == SURF_NETWORK_LINK_FATPIPE)
 834     lmm_constraint_shared(nw_link->constraint);
 835
 836   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 837
 838   return nw_link;
 839 }
 840
 841 static void parse_network_link(void)
 842 {
 843   char *name;
 844   double bw_initial;
 845   tmgr_trace_t bw_trace;
 846   double lat_initial;
 847   tmgr_trace_t lat_trace;
 848   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 849   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 850   tmgr_trace_t state_trace;
 851
 852   name = xbt_strdup(A_surfxml_network_link_name);
 853   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 854   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 855   surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
 856   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 857
 858   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 859               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 860               "Invalid state");
 861   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 862     state_initial = SURF_NETWORK_LINK_ON;
 863   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 864     state_initial = SURF_NETWORK_LINK_OFF;
 865
 866   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 867     policy_initial = SURF_NETWORK_LINK_SHARED;
 868   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 869     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 870
 871   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 872
 873   network_link_new(name, bw_initial, bw_trace,
 874                    lat_initial, lat_trace, state_initial, state_trace,
 875                    policy_initial);
 876 }
 877
 878 static void route_new(int src_id, int dst_id, network_link_KCCFLN05_t *link_list, int nb_link,
 879                       double impact_on_src, double impact_on_dst,
 880                       double impact_on_src_with_other_recv,
 881                       double impact_on_dst_with_other_send)
 882 {
 883   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 884
 885   route->size = nb_link;
 886   route->links = link_list = xbt_realloc(link_list, sizeof(network_link_KCCFLN05_t) * nb_link);
 887   route->impact_on_src = impact_on_src;
 888   route->impact_on_dst = impact_on_src;
 889   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
 890   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 891 }
 892
 893 static int nb_link;
 894 static int link_list_capacity;
 895 static network_link_KCCFLN05_t *link_list = NULL;
 896 static int src_id = -1;
 897 static int dst_id = -1;
 898 static double impact_on_src;
 899 static double impact_on_dst;
 900 static double impact_on_src_with_other_recv;
 901 static double impact_on_dst_with_other_send;
 902
 903 static void parse_route_set_endpoints(void)
 904 {
 905   src_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_src))->id;
 906   dst_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_dst))->id;
 907   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
 908   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
 909   surf_parse_get_double(&impact_on_src_with_other_recv,
 910                         A_surfxml_route_impact_on_src_with_other_recv);
 911   surf_parse_get_double(&impact_on_dst_with_other_send,
 912                         A_surfxml_route_impact_on_dst_with_other_send);
 913
 914   nb_link = 0;
 915   link_list_capacity = 20;
 916   link_list = xbt_new(network_link_KCCFLN05_t, link_list_capacity);
 917 }
 918
 919 static void parse_route_elem(void)
 920 {
 921   if (nb_link == link_list_capacity) {
 922     link_list_capacity *= 2;
 923     link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_KCCFLN05_t));
 924   }
 925   link_list[nb_link++] = xbt_dict_get_or_null(network_link_set, A_surfxml_route_element_name);
 926 }
 927
 928 static void parse_route_set_route(void)
 929 {
 930   route_new(src_id, dst_id, link_list, nb_link, impact_on_src,
 931             impact_on_dst, impact_on_src_with_other_recv,
 932             impact_on_dst_with_other_send);
 933 }
 934
 935 static void parse_file(const char *file)
 936 {
 937   int i ;
 938
 939   /* Figuring out the cpus */
 940   surf_parse_reset_parser();
 941   ETag_surfxml_cpu_fun = parse_cpu;
 942   surf_parse_open(file);
 943   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 944   surf_parse_close();
 945
 946   create_routing_table();
 947
 948   /* Figuring out the network links */
 949   surf_parse_reset_parser();
 950   ETag_surfxml_network_link_fun = parse_network_link;
 951   surf_parse_open(file);
 952   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 953   surf_parse_close();
 954
 955   /* Building the routes */
 956   surf_parse_reset_parser();
 957   STag_surfxml_route_fun = parse_route_set_endpoints;
 958   ETag_surfxml_route_element_fun = parse_route_elem;
 959   ETag_surfxml_route_fun = parse_route_set_route;
 960   surf_parse_open(file);
 961   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 962   surf_parse_close();
 963
 964   /* Adding loopback if needed */
 965   for (i = 0; i < nb_workstation; i++)
 966     if(!ROUTE(i,i).size) {
 967       if(!loopback)
 968         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 969                                    498000000, NULL, 0.000015, NULL,
 970                                    SURF_NETWORK_LINK_ON, NULL,
 971                                    SURF_NETWORK_LINK_FATPIPE);
 972       ROUTE(i,i).size=1;
 973       ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
 974       ROUTE(i,i).links[0] = loopback;
 975     }
 976
 977 }
 978
 979 /**************************************/
 980 /********* Module  creation ***********/
 981 /**************************************/
 982
 983 static void resource_init_internal(void)
 984 {
 985   s_surf_action_t action;
 986
 987   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 988
 989   surf_workstation_resource->common_private =
 990       xbt_new0(s_surf_resource_private_t, 1);
 991   surf_workstation_resource->common_public =
 992       xbt_new0(s_surf_resource_public_t, 1);
 993   surf_workstation_resource->extension_public =
 994       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 995
 996   surf_workstation_resource->common_public->states.ready_action_set =
 997       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 998   surf_workstation_resource->common_public->states.running_action_set =
 999       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1000   surf_workstation_resource->common_public->states.failed_action_set =
1001       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1002   surf_workstation_resource->common_public->states.done_action_set =
1003       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1004
1005   surf_workstation_resource->common_public->name_service = name_service;
1006   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
1007   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
1008   surf_workstation_resource->common_public->action_get_start_time =
1009       surf_action_get_start_time;
1010   surf_workstation_resource->common_public->action_get_finish_time =
1011       surf_action_get_finish_time;
1012   surf_workstation_resource->common_public->action_use = action_use;
1013   surf_workstation_resource->common_public->action_free = action_free;
1014   surf_workstation_resource->common_public->action_cancel = action_cancel;
1015   surf_workstation_resource->common_public->action_recycle = action_recycle;
1016   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
1017   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
1018   surf_workstation_resource->common_public->suspend = action_suspend;
1019   surf_workstation_resource->common_public->resume = action_resume;
1020   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
1021   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
1022   surf_workstation_resource->common_public->set_priority = action_set_priority;
1023   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
1024
1025   surf_workstation_resource->common_private->resource_used = resource_used;
1026   surf_workstation_resource->common_private->share_resources = share_resources;
1027   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
1028   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
1029   surf_workstation_resource->common_private->finalize = finalize;
1030
1031   surf_workstation_resource->extension_public->execute = execute;
1032   surf_workstation_resource->extension_public->sleep = action_sleep;
1033   surf_workstation_resource->extension_public->get_state = resource_get_state;
1034   surf_workstation_resource->extension_public->get_speed = get_speed;
1035   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
1036   surf_workstation_resource->extension_public->communicate = communicate;
1037   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
1038   surf_workstation_resource->extension_public->get_route = get_route;
1039   surf_workstation_resource->extension_public->get_route_size = get_route_size;
1040   surf_workstation_resource->extension_public->get_link_name = get_link_name;
1041   surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
1042   surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
1043
1044   workstation_set = xbt_dict_new();
1045   network_link_set = xbt_dict_new();
1046
1047   xbt_assert0(maxmin_system, "surf_init has to be called first!");
1048 }
1049
1050 /**************************************/
1051 /*************** Generic **************/
1052 /**************************************/
1053 void surf_workstation_resource_init_KCCFLN05(const char *filename)
1054 {
1055   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1056   xbt_assert0(!surf_network_resource, "network resource type already defined");
1057   resource_init_internal();
1058   parse_file(filename);
1059
1060   xbt_dynar_push(resource_list, &surf_workstation_resource);
1061 }
1062
1063 void surf_workstation_resource_init_KCCFLN05_proportionnal(const char *filename)
1064 {
1065   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1066   xbt_assert0(!surf_network_resource, "network resource type already defined");
1067   resource_init_internal();
1068   parse_file(filename);
1069
1070   surf_workstation_resource->common_public->name = "Workstation KCCFLN05 (proportionnal)";
1071   use_sdp_solver=1;
1072   xbt_dynar_push(resource_list, &surf_workstation_resource);
1073 }