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         DEBUG3("Updating min (value) with %p (start %f): %f",action,
 239                action->generic_action.start, min);
 240       }
 241       else if (action->latency<min) {
 242         min = action->latency;
 243         DEBUG3("Updating min (latency) with %p (start %f): %f",action,
 244                action->generic_action.start, min);
 245       }
 246     }
 247   }
 248
 249   DEBUG1("min value : %f",min);
 250
 251   return min;
 252 }
 253
 254 static void update_actions_state(double now, double delta)
 255 {
 256   double deltap = 0.0;
 257   surf_action_workstation_KCCFLN05_t action = NULL;
 258   surf_action_workstation_KCCFLN05_t next_action = NULL;
 259   xbt_swag_t running_actions =
 260       surf_workstation_resource->common_public->states.running_action_set;
 261
 262   xbt_swag_foreach_safe(action, next_action, running_actions) {
 263     deltap = delta;
 264     if (action->latency > 0) {
 265       if (action->latency > deltap) {
 266         double_update(&(action->latency), deltap);
 267         deltap = 0.0;
 268       } else {
 269         double_update(&(deltap), action->latency);
 270         action->latency = 0.0;
 271       }
 272       if ((action->latency == 0.0) && (action->suspended==0)) {
 273         if((action)->lat_current==0.0)
 274           lmm_update_variable_weight(maxmin_system,action->variable, 1.0);
 275         else
 276           lmm_update_variable_weight(maxmin_system, action->variable,
 277                                      action->lat_current);
 278       }
 279     }
 280     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 281            action, action->generic_action.remains,
 282            lmm_variable_getvalue(action->variable) * deltap);
 283     double_update(&(action->generic_action.remains),
 284                        lmm_variable_getvalue(action->variable) * deltap);
 285
 286     if (action->generic_action.max_duration != NO_MAX_DURATION)
 287       double_update(&(action->generic_action.max_duration), delta);
 288
 289     /*   if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
 290
 291     if ((action->generic_action.remains <= 0) &&
 292         (lmm_get_variable_weight(action->variable)>0)) {
 293       action->generic_action.finish = surf_get_clock();
 294       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 295     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 296                (action->generic_action.max_duration <= 0)) {
 297       action->generic_action.finish = surf_get_clock();
 298       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 299     } else {                    /* Need to check that none of the resource has failed */
 300       lmm_constraint_t cnst = NULL;
 301       int i = 0;
 302       void *constraint_id = NULL;
 303
 304       while ((cnst =
 305               lmm_get_cnst_from_var(maxmin_system, action->variable,
 306                                     i++))) {
 307         constraint_id = lmm_constraint_id(cnst);
 308         if(((((network_link_KCCFLN05_t)constraint_id)->type==
 309              SURF_WORKSTATION_RESOURCE_LINK) &&
 310             (((network_link_KCCFLN05_t)constraint_id)->state_current==
 311              SURF_NETWORK_LINK_OFF)) ||
 312            ((((cpu_KCCFLN05_t)constraint_id)->type==
 313              SURF_WORKSTATION_RESOURCE_CPU) &&
 314             (((cpu_KCCFLN05_t)constraint_id)->state_current==
 315              SURF_CPU_OFF))) {
 316           action->generic_action.finish = surf_get_clock();
 317           surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 318           break;
 319         }
 320       }
 321     }
 322   }
 323   return;
 324 }
 325
 326 static void update_resource_state(void *id,
 327                                   tmgr_trace_event_t event_type,
 328                                   double value)
 329 {
 330   cpu_KCCFLN05_t cpu = id;
 331   network_link_KCCFLN05_t nw_link = id ;
 332
 333   if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 334     if (event_type == nw_link->bw_event) {
 335       nw_link->bw_current = value;
 336       lmm_update_constraint_bound(maxmin_system, nw_link->constraint,
 337                                   nw_link->bw_current);
 338     } else if (event_type == nw_link->lat_event) {
 339       double delta = value - nw_link->lat_current;
 340       lmm_variable_t var = NULL;
 341       surf_action_workstation_KCCFLN05_t action = NULL;
 342
 343       nw_link->lat_current = value;
 344       while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
 345         action = lmm_variable_id(var);
 346         action->lat_current += delta;
 347         if(action->rate<0)
 348           lmm_update_variable_bound(maxmin_system, action->variable,
 349                                     SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 350         else
 351           lmm_update_variable_bound(maxmin_system, action->variable,
 352                                     min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 353         if(action->suspended==0)
 354           lmm_update_variable_weight(maxmin_system, action->variable,
 355                                      action->lat_current);
 356       }
 357     } else if (event_type == nw_link->state_event) {
 358       if (value > 0)
 359         nw_link->state_current = SURF_NETWORK_LINK_ON;
 360       else
 361         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 362     } else {
 363       CRITICAL0("Unknown event ! \n");
 364       xbt_abort();
 365     }
 366     return;
 367   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 368     if (event_type == cpu->power_event) {
 369       cpu->power_current = value;
 370       __update_cpu_usage(cpu);
 371     } else if (event_type == cpu->state_event) {
 372       if (value > 0)
 373         cpu->state_current = SURF_CPU_ON;
 374       else
 375         cpu->state_current = SURF_CPU_OFF;
 376     } else {
 377       CRITICAL0("Unknown event ! \n");
 378       xbt_abort();
 379     }
 380     return;
 381   } else {
 382     DIE_IMPOSSIBLE;
 383   }
 384   return;
 385 }
 386
 387 static void finalize(void)
 388 {
 389   int i,j;
 390
 391   xbt_dict_free(&network_link_set);
 392   xbt_dict_free(&workstation_set);
 393   if (parallel_task_network_link_set != NULL) {
 394     xbt_dict_free(&parallel_task_network_link_set);
 395   }
 396   xbt_swag_free(surf_workstation_resource->common_public->states.
 397                 ready_action_set);
 398   xbt_swag_free(surf_workstation_resource->common_public->states.
 399                 running_action_set);
 400   xbt_swag_free(surf_workstation_resource->common_public->states.
 401                 failed_action_set);
 402   xbt_swag_free(surf_workstation_resource->common_public->states.
 403                 done_action_set);
 404
 405   free(surf_workstation_resource->common_public);
 406   free(surf_workstation_resource->common_private);
 407   free(surf_workstation_resource->extension_public);
 408
 409   free(surf_workstation_resource);
 410   surf_workstation_resource = NULL;
 411
 412   for (i = 0; i < nb_workstation; i++)
 413     for (j = 0; j < nb_workstation; j++)
 414       free(ROUTE(i, j).links);
 415   free(routing_table);
 416   routing_table = NULL;
 417   nb_workstation = 0;
 418
 419   if (maxmin_system) {
 420     lmm_system_free(maxmin_system);
 421     maxmin_system = NULL;
 422   }
 423 }
 424
 425 /**************************************/
 426 /******* Resource Private    **********/
 427 /**************************************/
 428
 429 static surf_action_t execute(void *cpu, double size)
 430 {
 431   surf_action_workstation_KCCFLN05_t action = NULL;
 432   cpu_KCCFLN05_t CPU = cpu;
 433
 434   XBT_IN2("(%s,%g)",CPU->name,size);
 435   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 436
 437   action->generic_action.using = 1;
 438   action->generic_action.cost = size;
 439   action->generic_action.remains = size;
 440   action->generic_action.priority = 1.0;
 441   action->generic_action.max_duration = NO_MAX_DURATION;
 442   action->generic_action.start = surf_get_clock();
 443   action->generic_action.finish = -1.0;
 444   action->generic_action.resource_type =
 445       (surf_resource_t) surf_workstation_resource;
 446   action->suspended = 0;
 447
 448   if (CPU->state_current == SURF_CPU_ON)
 449     action->generic_action.state_set =
 450         surf_workstation_resource->common_public->states.running_action_set;
 451   else
 452     action->generic_action.state_set =
 453         surf_workstation_resource->common_public->states.failed_action_set;
 454   xbt_swag_insert(action, action->generic_action.state_set);
 455
 456   action->variable = lmm_variable_new(maxmin_system, action,
 457                                       action->generic_action.priority, -1.0, 1);
 458   lmm_expand(maxmin_system, CPU->constraint, action->variable,
 459              1.0);
 460   XBT_OUT;
 461   return (surf_action_t) action;
 462 }
 463
 464 static surf_action_t action_sleep(void *cpu, double duration)
 465 {
 466   surf_action_workstation_KCCFLN05_t action = NULL;
 467
 468   XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
 469
 470   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
 471   action->generic_action.max_duration = duration;
 472   action->suspended = 2;
 473   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 474
 475   XBT_OUT;
 476   return (surf_action_t) action;
 477 }
 478
 479 static e_surf_cpu_state_t resource_get_state(void *cpu)
 480 {
 481   return ((cpu_KCCFLN05_t) cpu)->state_current;
 482 }
 483
 484 static double get_speed(void *cpu, double load)
 485 {
 486   return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
 487 }
 488
 489 static double get_available_speed(void *cpu)
 490 {
 491   return ((cpu_KCCFLN05_t) cpu)->power_current;
 492 }
 493
 494 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 495 {
 496   surf_action_workstation_KCCFLN05_t action = NULL;
 497   cpu_KCCFLN05_t card_src = src;
 498   cpu_KCCFLN05_t card_dst = dst;
 499   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 500   int route_size = route->size;
 501   int i;
 502
 503   XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
 504   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);
 505
 506   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 507
 508   action->generic_action.using = 1;
 509   action->generic_action.cost = size;
 510   action->generic_action.remains = size;
 511   action->generic_action.max_duration = NO_MAX_DURATION;
 512   action->generic_action.start = surf_get_clock();
 513   action->generic_action.finish = -1.0;
 514   action->src = src;
 515   action->dst = dst;
 516   action->generic_action.resource_type =
 517     (surf_resource_t) surf_workstation_resource;
 518   action->suspended = 0;  /* Should be useless because of the
 519                              calloc but it seems to help valgrind... */
 520   action->generic_action.state_set =
 521       surf_workstation_resource->common_public->states.running_action_set;
 522
 523   xbt_dynar_push(card_src->outgoing_communications, &action);
 524   xbt_dynar_push(card_dst->incomming_communications, &action);
 525
 526   xbt_swag_insert(action, action->generic_action.state_set);
 527   action->rate = rate;
 528
 529   action->latency = 0.0;
 530   for (i = 0; i < route_size; i++)
 531     action->latency += route->links[i]->lat_current;
 532   action->lat_current = action->latency;
 533
 534   if(action->latency>0)
 535     action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
 536                                         route_size+4); /* +1 for the src bus
 537                                                           +1 for the dst bus
 538                                                           +1 for the src cpu
 539                                                           +1 for the dst cpu */
 540   else
 541     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 542                                         route_size+4);
 543
 544   if(action->rate<0) {
 545     if(action->lat_current>0)
 546       lmm_update_variable_bound(maxmin_system, action->variable,
 547                                 SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 548     else
 549       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
 550   } else {
 551     if(action->lat_current>0)
 552       lmm_update_variable_bound(maxmin_system, action->variable,
 553                                 min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 554     else
 555       lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
 556   }
 557
 558   for (i = 0; i < route_size; i++)
 559     lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
 560   if (card_src->bus)
 561     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
 562   if (card_dst->bus)
 563     lmm_expand(maxmin_system, card_dst->bus, action->variable, 1.0);
 564   lmm_expand(maxmin_system, card_src->constraint, action->variable, 0.0);
 565   lmm_expand(maxmin_system, card_dst->constraint, action->variable, 0.0);
 566
 567   XBT_OUT;
 568   return (surf_action_t) action;
 569 }
 570
 571 static surf_action_t execute_parallel_task(int workstation_nb,
 572                                            void **workstation_list,
 573                                            double *computation_amount,
 574                                            double *communication_amount,
 575                                            double amount,
 576                                            double rate)
 577 {
 578   surf_action_workstation_KCCFLN05_t action = NULL;
 579   int i, j, k;
 580   int nb_link = 0;
 581   int nb_host = 0;
 582
 583   if (parallel_task_network_link_set == NULL) {
 584     parallel_task_network_link_set = xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 585   }
 586
 587   /* Compute the number of affected resources... */
 588   for(i=0; i< workstation_nb; i++) {
 589     for(j=0; j< workstation_nb; j++) {
 590       cpu_KCCFLN05_t card_src = workstation_list[i];
 591       cpu_KCCFLN05_t card_dst = workstation_list[j];
 592       int route_size = ROUTE(card_src->id, card_dst->id).size;
 593       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 594
 595       if(communication_amount[i*workstation_nb+j]>0)
 596         for(k=0; k< route_size; k++) {
 597           xbt_dict_set(parallel_task_network_link_set, route[k]->name, route[k], NULL);
 598         }
 599     }
 600   }
 601   nb_link = xbt_dict_length(parallel_task_network_link_set);
 602   xbt_dict_reset(parallel_task_network_link_set);
 603
 604
 605   for (i = 0; i<workstation_nb; i++)
 606     if(computation_amount[i]>0) nb_host++;
 607
 608
 609   if(nb_link + nb_host == 0) /* was workstation_nb... */
 610     return NULL;
 611
 612   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 613   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 614          action, nb_host,  nb_link);
 615   action->generic_action.using = 1;
 616   action->generic_action.cost = amount;
 617   action->generic_action.remains = amount;
 618   action->generic_action.max_duration = NO_MAX_DURATION;
 619   action->generic_action.start = -1.0;
 620   action->generic_action.finish = -1.0;
 621   action->generic_action.resource_type =
 622       (surf_resource_t) surf_workstation_resource;
 623   action->suspended = 0;  /* Should be useless because of the
 624                              calloc but it seems to help valgrind... */
 625   action->generic_action.state_set =
 626       surf_workstation_resource->common_public->states.running_action_set;
 627
 628   xbt_swag_insert(action, action->generic_action.state_set);
 629   action->rate = rate;
 630
 631   if(action->rate>0)
 632     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 633                                         nb_host + nb_link);
 634   else
 635     action->variable = lmm_variable_new(maxmin_system, action, 1.0, action->rate,
 636                                         nb_host + nb_link);
 637
 638   for (i = 0; i<workstation_nb; i++)
 639     if(computation_amount[i]>0)
 640       lmm_expand(maxmin_system, ((cpu_KCCFLN05_t) workstation_list[i])->constraint,
 641                  action->variable, computation_amount[i]);
 642
 643   for (i=0; i<workstation_nb; i++) {
 644     for(j=0; j< workstation_nb; j++) {
 645       cpu_KCCFLN05_t card_src = workstation_list[i];
 646       cpu_KCCFLN05_t card_dst = workstation_list[j];
 647       int route_size = ROUTE(card_src->id, card_dst->id).size;
 648       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 649
 650       for(k=0; k< route_size; k++) {
 651         if(communication_amount[i*workstation_nb+j]>0) {
 652           lmm_expand_add(maxmin_system, route[k]->constraint,
 653                        action->variable, communication_amount[i*workstation_nb+j]);
 654         }
 655       }
 656     }
 657   }
 658
 659   return (surf_action_t) action;
 660 }
 661
 662 /* returns an array of network_link_KCCFLN05_t */
 663 static const void** get_route(void *src, void *dst) {
 664   cpu_KCCFLN05_t card_src = src;
 665   cpu_KCCFLN05_t card_dst = dst;
 666   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 667
 668   return (const void**) route->links;
 669 }
 670
 671 static int get_route_size(void *src, void *dst) {
 672   cpu_KCCFLN05_t card_src = src;
 673   cpu_KCCFLN05_t card_dst = dst;
 674   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 675   return route->size;
 676 }
 677
 678 static const char *get_link_name(const void *link) {
 679   return ((network_link_KCCFLN05_t) link)->name;
 680 }
 681
 682 static double get_link_bandwidth(const void *link) {
 683   return ((network_link_KCCFLN05_t) link)->bw_current;
 684 }
 685
 686 static double get_link_latency(const void *link) {
 687   return ((network_link_KCCFLN05_t) link)->lat_current;
 688 }
 689
 690 /**************************************/
 691 /*** Resource Creation & Destruction **/
 692 /**************************************/
 693
 694 static void cpu_free(void *cpu)
 695 {
 696   free(((cpu_KCCFLN05_t) cpu)->name);
 697   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->incomming_communications));
 698   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->outgoing_communications));
 699   free(cpu);
 700 }
 701
 702 static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
 703                               double power_initial,
 704                               tmgr_trace_t power_trace,
 705                               e_surf_cpu_state_t state_initial,
 706                               tmgr_trace_t state_trace,
 707                               double interference_send,
 708                               double interference_recv,
 709                               double interference_send_recv,
 710                               double max_outgoing_rate)
 711 {
 712   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 713
 714   cpu->resource = (surf_resource_t) surf_workstation_resource;
 715   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 716   cpu->name = xbt_strdup(name);
 717   cpu->id = nb_workstation++;
 718
 719   cpu->power_scale = power_scale;
 720   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 721
 722   cpu->power_current = power_initial;
 723   if (power_trace)
 724     cpu->power_event =
 725         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 726
 727   cpu->state_current = state_initial;
 728   if (state_trace)
 729     cpu->state_event =
 730         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 731
 732   cpu->interference_send = interference_send;
 733   cpu->interference_recv = interference_recv;
 734   cpu->interference_send_recv = interference_send_recv;
 735
 736   cpu->constraint =
 737       lmm_constraint_new(maxmin_system, cpu,
 738                          cpu->power_current * cpu->power_scale);
 739   if (max_outgoing_rate > 0)
 740     cpu->bus = lmm_constraint_new(maxmin_system, cpu, max_outgoing_rate);
 741
 742   cpu->incomming_communications =
 743       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 744   cpu->outgoing_communications =
 745       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 746
 747   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 748
 749   return cpu;
 750 }
 751
 752 static void parse_cpu(void)
 753 {
 754   double power_scale = 0.0;
 755   double power_initial = 0.0;
 756   tmgr_trace_t power_trace = NULL;
 757   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 758   tmgr_trace_t state_trace = NULL;
 759   double interference_send = 0.0;
 760   double interference_recv = 0.0;
 761   double interference_send_recv = 0.0;
 762   double max_outgoing_rate = -1.0;
 763
 764   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 765   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 766   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 767
 768   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 769               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 770               "Invalid state");
 771   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 772     state_initial = SURF_CPU_ON;
 773   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 774     state_initial = SURF_CPU_OFF;
 775   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 776
 777   surf_parse_get_double(&interference_send,
 778                         A_surfxml_cpu_interference_send);
 779   surf_parse_get_double(&interference_recv,
 780                         A_surfxml_cpu_interference_recv);
 781   surf_parse_get_double(&interference_send_recv,
 782                         A_surfxml_cpu_interference_send_recv);
 783   surf_parse_get_double(&max_outgoing_rate,
 784                         A_surfxml_cpu_max_outgoing_rate);
 785
 786   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 787           state_initial, state_trace, interference_send, interference_recv,
 788           interference_send_recv, max_outgoing_rate);
 789 }
 790
 791 static void create_routing_table(void)
 792 {
 793   routing_table =
 794       xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 795 }
 796
 797 static void network_link_free(void *nw_link)
 798 {
 799   free(((network_link_KCCFLN05_t) nw_link)->name);
 800   free(nw_link);
 801 }
 802
 803 static network_link_KCCFLN05_t network_link_new(char *name,
 804                                                 double bw_initial,
 805                                                 tmgr_trace_t bw_trace,
 806                                                 double lat_initial,
 807                                                 tmgr_trace_t lat_trace,
 808                                                 e_surf_network_link_state_t
 809                                                 state_initial,
 810                                                 tmgr_trace_t state_trace,
 811                                                 e_surf_network_link_sharing_policy_t policy)
 812 {
 813   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 814
 815
 816   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 817   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 818   nw_link->name = name;
 819   nw_link->bw_current = bw_initial;
 820   if (bw_trace)
 821     nw_link->bw_event =
 822         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 823   nw_link->state_current = state_initial;
 824   nw_link->lat_current = lat_initial;
 825   if (lat_trace)
 826     nw_link->lat_event =
 827         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 828   if (state_trace)
 829     nw_link->state_event =
 830         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 831
 832   nw_link->constraint =
 833       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 834
 835   if(policy == SURF_NETWORK_LINK_FATPIPE)
 836     lmm_constraint_shared(nw_link->constraint);
 837
 838   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 839
 840   return nw_link;
 841 }
 842
 843 static void parse_network_link(void)
 844 {
 845   char *name;
 846   double bw_initial;
 847   tmgr_trace_t bw_trace;
 848   double lat_initial;
 849   tmgr_trace_t lat_trace;
 850   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 851   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 852   tmgr_trace_t state_trace;
 853
 854   name = xbt_strdup(A_surfxml_network_link_name);
 855   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 856   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 857   surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
 858   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 859
 860   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 861               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 862               "Invalid state");
 863   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 864     state_initial = SURF_NETWORK_LINK_ON;
 865   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 866     state_initial = SURF_NETWORK_LINK_OFF;
 867
 868   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 869     policy_initial = SURF_NETWORK_LINK_SHARED;
 870   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 871     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 872
 873   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 874
 875   network_link_new(name, bw_initial, bw_trace,
 876                    lat_initial, lat_trace, state_initial, state_trace,
 877                    policy_initial);
 878 }
 879
 880 static void route_new(int src_id, int dst_id, network_link_KCCFLN05_t *link_list, int nb_link,
 881                       double impact_on_src, double impact_on_dst,
 882                       double impact_on_src_with_other_recv,
 883                       double impact_on_dst_with_other_send)
 884 {
 885   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 886
 887   route->size = nb_link;
 888   route->links = link_list = xbt_realloc(link_list, sizeof(network_link_KCCFLN05_t) * nb_link);
 889   route->impact_on_src = impact_on_src;
 890   route->impact_on_dst = impact_on_src;
 891   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
 892   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 893 }
 894
 895 static int nb_link;
 896 static int link_list_capacity;
 897 static network_link_KCCFLN05_t *link_list = NULL;
 898 static int src_id = -1;
 899 static int dst_id = -1;
 900 static double impact_on_src;
 901 static double impact_on_dst;
 902 static double impact_on_src_with_other_recv;
 903 static double impact_on_dst_with_other_send;
 904
 905 static void parse_route_set_endpoints(void)
 906 {
 907   src_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_src))->id;
 908   dst_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_dst))->id;
 909   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
 910   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
 911   surf_parse_get_double(&impact_on_src_with_other_recv,
 912                         A_surfxml_route_impact_on_src_with_other_recv);
 913   surf_parse_get_double(&impact_on_dst_with_other_send,
 914                         A_surfxml_route_impact_on_dst_with_other_send);
 915
 916   nb_link = 0;
 917   link_list_capacity = 20;
 918   link_list = xbt_new(network_link_KCCFLN05_t, link_list_capacity);
 919 }
 920
 921 static void parse_route_elem(void)
 922 {
 923   if (nb_link == link_list_capacity) {
 924     link_list_capacity *= 2;
 925     link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_KCCFLN05_t));
 926   }
 927   link_list[nb_link++] = xbt_dict_get_or_null(network_link_set, A_surfxml_route_element_name);
 928 }
 929
 930 static void parse_route_set_route(void)
 931 {
 932   route_new(src_id, dst_id, link_list, nb_link, impact_on_src,
 933             impact_on_dst, impact_on_src_with_other_recv,
 934             impact_on_dst_with_other_send);
 935 }
 936
 937 static void parse_file(const char *file)
 938 {
 939   int i ;
 940
 941   /* Figuring out the cpus */
 942   surf_parse_reset_parser();
 943   ETag_surfxml_cpu_fun = parse_cpu;
 944   surf_parse_open(file);
 945   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 946   surf_parse_close();
 947
 948   create_routing_table();
 949
 950   /* Figuring out the network links */
 951   surf_parse_reset_parser();
 952   ETag_surfxml_network_link_fun = parse_network_link;
 953   surf_parse_open(file);
 954   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 955   surf_parse_close();
 956
 957   /* Building the routes */
 958   surf_parse_reset_parser();
 959   STag_surfxml_route_fun = parse_route_set_endpoints;
 960   ETag_surfxml_route_element_fun = parse_route_elem;
 961   ETag_surfxml_route_fun = parse_route_set_route;
 962   surf_parse_open(file);
 963   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 964   surf_parse_close();
 965
 966   /* Adding loopback if needed */
 967   for (i = 0; i < nb_workstation; i++)
 968     if(!ROUTE(i,i).size) {
 969       if(!loopback)
 970         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 971                                    498000000, NULL, 0.000015, NULL,
 972                                    SURF_NETWORK_LINK_ON, NULL,
 973                                    SURF_NETWORK_LINK_FATPIPE);
 974       ROUTE(i,i).size=1;
 975       ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
 976       ROUTE(i,i).links[0] = loopback;
 977     }
 978
 979 }
 980
 981 /**************************************/
 982 /********* Module  creation ***********/
 983 /**************************************/
 984
 985 static void resource_init_internal(void)
 986 {
 987   s_surf_action_t action;
 988
 989   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 990
 991   surf_workstation_resource->common_private =
 992       xbt_new0(s_surf_resource_private_t, 1);
 993   surf_workstation_resource->common_public =
 994       xbt_new0(s_surf_resource_public_t, 1);
 995   surf_workstation_resource->extension_public =
 996       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 997
 998   surf_workstation_resource->common_public->states.ready_action_set =
 999       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1000   surf_workstation_resource->common_public->states.running_action_set =
1001       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1002   surf_workstation_resource->common_public->states.failed_action_set =
1003       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1004   surf_workstation_resource->common_public->states.done_action_set =
1005       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1006
1007   surf_workstation_resource->common_public->name_service = name_service;
1008   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
1009   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
1010   surf_workstation_resource->common_public->action_get_start_time =
1011       surf_action_get_start_time;
1012   surf_workstation_resource->common_public->action_get_finish_time =
1013       surf_action_get_finish_time;
1014   surf_workstation_resource->common_public->action_use = action_use;
1015   surf_workstation_resource->common_public->action_free = action_free;
1016   surf_workstation_resource->common_public->action_cancel = action_cancel;
1017   surf_workstation_resource->common_public->action_recycle = action_recycle;
1018   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
1019   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
1020   surf_workstation_resource->common_public->suspend = action_suspend;
1021   surf_workstation_resource->common_public->resume = action_resume;
1022   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
1023   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
1024   surf_workstation_resource->common_public->set_priority = action_set_priority;
1025   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
1026
1027   surf_workstation_resource->common_private->resource_used = resource_used;
1028   surf_workstation_resource->common_private->share_resources = share_resources;
1029   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
1030   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
1031   surf_workstation_resource->common_private->finalize = finalize;
1032
1033   surf_workstation_resource->extension_public->execute = execute;
1034   surf_workstation_resource->extension_public->sleep = action_sleep;
1035   surf_workstation_resource->extension_public->get_state = resource_get_state;
1036   surf_workstation_resource->extension_public->get_speed = get_speed;
1037   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
1038   surf_workstation_resource->extension_public->communicate = communicate;
1039   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
1040   surf_workstation_resource->extension_public->get_route = get_route;
1041   surf_workstation_resource->extension_public->get_route_size = get_route_size;
1042   surf_workstation_resource->extension_public->get_link_name = get_link_name;
1043   surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
1044   surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
1045
1046   workstation_set = xbt_dict_new();
1047   network_link_set = xbt_dict_new();
1048
1049   xbt_assert0(maxmin_system, "surf_init has to be called first!");
1050 }
1051
1052 /**************************************/
1053 /*************** Generic **************/
1054 /**************************************/
1055 void surf_workstation_resource_init_KCCFLN05(const char *filename)
1056 {
1057   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1058   xbt_assert0(!surf_network_resource, "network resource type already defined");
1059   resource_init_internal();
1060   parse_file(filename);
1061
1062   xbt_dynar_push(resource_list, &surf_workstation_resource);
1063 }
1064
1065 void surf_workstation_resource_init_KCCFLN05_proportionnal(const char *filename)
1066 {
1067   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1068   xbt_assert0(!surf_network_resource, "network resource type already defined");
1069   resource_init_internal();
1070   parse_file(filename);
1071
1072   surf_workstation_resource->common_public->name = "Workstation KCCFLN05 (proportionnal)";
1073   use_sdp_solver=1;
1074   xbt_dynar_push(resource_list, &surf_workstation_resource);
1075 }