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         lmm_update_variable_latency(maxmin_system, action->variable, delta);
 357
 358
 359       }
 360     } else if (event_type == nw_link->state_event) {
 361       if (value > 0)
 362         nw_link->state_current = SURF_NETWORK_LINK_ON;
 363       else
 364         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 365     } else {
 366       CRITICAL0("Unknown event ! \n");
 367       xbt_abort();
 368     }
 369     return;
 370   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 371     if (event_type == cpu->power_event) {
 372       cpu->power_current = value;
 373       __update_cpu_usage(cpu);
 374     } else if (event_type == cpu->state_event) {
 375       if (value > 0)
 376         cpu->state_current = SURF_CPU_ON;
 377       else
 378         cpu->state_current = SURF_CPU_OFF;
 379     } else {
 380       CRITICAL0("Unknown event ! \n");
 381       xbt_abort();
 382     }
 383     return;
 384   } else {
 385     DIE_IMPOSSIBLE;
 386   }
 387   return;
 388 }
 389
 390 static void finalize(void)
 391 {
 392   int i,j;
 393
 394   xbt_dict_free(&network_link_set);
 395   xbt_dict_free(&workstation_set);
 396   if (parallel_task_network_link_set != NULL) {
 397     xbt_dict_free(&parallel_task_network_link_set);
 398   }
 399   xbt_swag_free(surf_workstation_resource->common_public->states.
 400                 ready_action_set);
 401   xbt_swag_free(surf_workstation_resource->common_public->states.
 402                 running_action_set);
 403   xbt_swag_free(surf_workstation_resource->common_public->states.
 404                 failed_action_set);
 405   xbt_swag_free(surf_workstation_resource->common_public->states.
 406                 done_action_set);
 407
 408   free(surf_workstation_resource->common_public);
 409   free(surf_workstation_resource->common_private);
 410   free(surf_workstation_resource->extension_public);
 411
 412   free(surf_workstation_resource);
 413   surf_workstation_resource = NULL;
 414
 415   for (i = 0; i < nb_workstation; i++)
 416     for (j = 0; j < nb_workstation; j++)
 417       free(ROUTE(i, j).links);
 418   free(routing_table);
 419   routing_table = NULL;
 420   nb_workstation = 0;
 421
 422   if (maxmin_system) {
 423     lmm_system_free(maxmin_system);
 424     maxmin_system = NULL;
 425   }
 426 }
 427
 428 /**************************************/
 429 /******* Resource Private    **********/
 430 /**************************************/
 431
 432 static surf_action_t execute(void *cpu, double size)
 433 {
 434   surf_action_workstation_KCCFLN05_t action = NULL;
 435   cpu_KCCFLN05_t CPU = cpu;
 436
 437   XBT_IN2("(%s,%g)",CPU->name,size);
 438   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 439
 440   action->generic_action.using = 1;
 441   action->generic_action.cost = size;
 442   action->generic_action.remains = size;
 443   action->generic_action.priority = 1.0;
 444   action->generic_action.max_duration = NO_MAX_DURATION;
 445   action->generic_action.start = surf_get_clock();
 446   action->generic_action.finish = -1.0;
 447   action->generic_action.resource_type =
 448       (surf_resource_t) surf_workstation_resource;
 449   action->suspended = 0;
 450
 451   if (CPU->state_current == SURF_CPU_ON)
 452     action->generic_action.state_set =
 453         surf_workstation_resource->common_public->states.running_action_set;
 454   else
 455     action->generic_action.state_set =
 456         surf_workstation_resource->common_public->states.failed_action_set;
 457   xbt_swag_insert(action, action->generic_action.state_set);
 458
 459   action->variable = lmm_variable_new(maxmin_system, action,
 460                                       action->generic_action.priority, -1.0, 1);
 461   lmm_expand(maxmin_system, CPU->constraint, action->variable,
 462              1.0);
 463   XBT_OUT;
 464   return (surf_action_t) action;
 465 }
 466
 467 static surf_action_t action_sleep(void *cpu, double duration)
 468 {
 469   surf_action_workstation_KCCFLN05_t action = NULL;
 470
 471   XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
 472
 473   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
 474   action->generic_action.max_duration = duration;
 475   action->suspended = 2;
 476   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 477
 478   XBT_OUT;
 479   return (surf_action_t) action;
 480 }
 481
 482 static e_surf_cpu_state_t resource_get_state(void *cpu)
 483 {
 484   return ((cpu_KCCFLN05_t) cpu)->state_current;
 485 }
 486
 487 static double get_speed(void *cpu, double load)
 488 {
 489   return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
 490 }
 491
 492 static double get_available_speed(void *cpu)
 493 {
 494   return ((cpu_KCCFLN05_t) cpu)->power_current;
 495 }
 496
 497
 498 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 499 {
 500   surf_action_workstation_KCCFLN05_t action = NULL;
 501   cpu_KCCFLN05_t card_src = src;
 502   cpu_KCCFLN05_t card_dst = dst;
 503   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 504   int route_size = route->size;
 505   int i;
 506
 507   XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
 508   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);
 509
 510   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 511
 512   action->generic_action.using = 1;
 513   action->generic_action.cost = size;
 514   action->generic_action.remains = size;
 515   action->generic_action.max_duration = NO_MAX_DURATION;
 516   action->generic_action.start = surf_get_clock();
 517   action->generic_action.finish = -1.0;
 518   action->src = src;
 519   action->dst = dst;
 520   action->generic_action.resource_type =
 521     (surf_resource_t) surf_workstation_resource;
 522   action->suspended = 0;  /* Should be useless because of the
 523                              calloc but it seems to help valgrind... */
 524   action->generic_action.state_set =
 525       surf_workstation_resource->common_public->states.running_action_set;
 526
 527   xbt_dynar_push(card_src->outgoing_communications, &action);
 528   xbt_dynar_push(card_dst->incomming_communications, &action);
 529
 530   xbt_swag_insert(action, action->generic_action.state_set);
 531   action->rate = rate;
 532
 533   action->latency = 0.0;
 534   for (i = 0; i < route_size; i++)
 535     action->latency += route->links[i]->lat_current;
 536   action->lat_current = action->latency;
 537
 538   if(action->latency>0)
 539     action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
 540                                         route_size+4); /* +1 for the src bus
 541                                                           +1 for the dst bus
 542                                                           +1 for the src cpu
 543                                                           +1 for the dst cpu */
 544   else
 545     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 546                                         route_size+4);
 547
 548   if(action->rate<0) {
 549     if(action->lat_current>0)
 550       lmm_update_variable_bound(maxmin_system, action->variable,
 551                                 SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 552     else
 553       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
 554   } else {
 555     if(action->lat_current>0)
 556       lmm_update_variable_bound(maxmin_system, action->variable,
 557                                 min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 558     else
 559       lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
 560   }
 561
 562   lmm_update_variable_latency(maxmin_system, action->variable, action->latency);
 563
 564   for (i = 0; i < route_size; i++)
 565     lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
 566   if (card_src->bus)
 567     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
 568   if (card_dst->bus)
 569     lmm_expand(maxmin_system, card_dst->bus, action->variable, 1.0);
 570   lmm_expand(maxmin_system, card_src->constraint, action->variable, 0.0);
 571   lmm_expand(maxmin_system, card_dst->constraint, action->variable, 0.0);
 572
 573   XBT_OUT;
 574   return (surf_action_t) action;
 575 }
 576
 577 static surf_action_t execute_parallel_task(int workstation_nb,
 578                                            void **workstation_list,
 579                                            double *computation_amount,
 580                                            double *communication_amount,
 581                                            double amount,
 582                                            double rate)
 583 {
 584   surf_action_workstation_KCCFLN05_t action = NULL;
 585   int i, j, k;
 586   int nb_link = 0;
 587   int nb_host = 0;
 588
 589   if (parallel_task_network_link_set == NULL) {
 590     parallel_task_network_link_set = xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 591   }
 592
 593   /* Compute the number of affected resources... */
 594   for(i=0; i< workstation_nb; i++) {
 595     for(j=0; j< workstation_nb; j++) {
 596       cpu_KCCFLN05_t card_src = workstation_list[i];
 597       cpu_KCCFLN05_t card_dst = workstation_list[j];
 598       int route_size = ROUTE(card_src->id, card_dst->id).size;
 599       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 600
 601       if(communication_amount[i*workstation_nb+j]>0)
 602         for(k=0; k< route_size; k++) {
 603           xbt_dict_set(parallel_task_network_link_set, route[k]->name, route[k], NULL);
 604         }
 605     }
 606   }
 607   nb_link = xbt_dict_length(parallel_task_network_link_set);
 608   xbt_dict_reset(parallel_task_network_link_set);
 609
 610
 611   for (i = 0; i<workstation_nb; i++)
 612     if(computation_amount[i]>0) nb_host++;
 613
 614
 615   if(nb_link + nb_host == 0) /* was workstation_nb... */
 616     return NULL;
 617
 618   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 619   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 620          action, nb_host,  nb_link);
 621   action->generic_action.using = 1;
 622   action->generic_action.cost = amount;
 623   action->generic_action.remains = amount;
 624   action->generic_action.max_duration = NO_MAX_DURATION;
 625   action->generic_action.start = -1.0;
 626   action->generic_action.finish = -1.0;
 627   action->generic_action.resource_type =
 628       (surf_resource_t) surf_workstation_resource;
 629   action->suspended = 0;  /* Should be useless because of the
 630                              calloc but it seems to help valgrind... */
 631   action->generic_action.state_set =
 632       surf_workstation_resource->common_public->states.running_action_set;
 633
 634   xbt_swag_insert(action, action->generic_action.state_set);
 635   action->rate = rate;
 636
 637   if(action->rate>0)
 638     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 639                                         nb_host + nb_link);
 640   else
 641     action->variable = lmm_variable_new(maxmin_system, action, 1.0, action->rate,
 642                                         nb_host + nb_link);
 643
 644   for (i = 0; i<workstation_nb; i++)
 645     if(computation_amount[i]>0)
 646       lmm_expand(maxmin_system, ((cpu_KCCFLN05_t) workstation_list[i])->constraint,
 647                  action->variable, computation_amount[i]);
 648
 649   for (i=0; i<workstation_nb; i++) {
 650     for(j=0; j< workstation_nb; j++) {
 651       cpu_KCCFLN05_t card_src = workstation_list[i];
 652       cpu_KCCFLN05_t card_dst = workstation_list[j];
 653       int route_size = ROUTE(card_src->id, card_dst->id).size;
 654       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 655
 656       for(k=0; k< route_size; k++) {
 657         if(communication_amount[i*workstation_nb+j]>0) {
 658           lmm_expand_add(maxmin_system, route[k]->constraint,
 659                        action->variable, communication_amount[i*workstation_nb+j]);
 660         }
 661       }
 662     }
 663   }
 664
 665   return (surf_action_t) action;
 666 }
 667
 668 /* returns an array of network_link_KCCFLN05_t */
 669 static const void** get_route(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
 674   return (const void**) route->links;
 675 }
 676
 677 static int get_route_size(void *src, void *dst) {
 678   cpu_KCCFLN05_t card_src = src;
 679   cpu_KCCFLN05_t card_dst = dst;
 680   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 681   return route->size;
 682 }
 683
 684 static const char *get_link_name(const void *link) {
 685   return ((network_link_KCCFLN05_t) link)->name;
 686 }
 687
 688 static double get_link_bandwidth(const void *link) {
 689   return ((network_link_KCCFLN05_t) link)->bw_current;
 690 }
 691
 692 static double get_link_latency(const void *link) {
 693   return ((network_link_KCCFLN05_t) link)->lat_current;
 694 }
 695
 696 /**************************************/
 697 /*** Resource Creation & Destruction **/
 698 /**************************************/
 699
 700 static void cpu_free(void *cpu)
 701 {
 702   free(((cpu_KCCFLN05_t) cpu)->name);
 703   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->incomming_communications));
 704   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->outgoing_communications));
 705   free(cpu);
 706 }
 707
 708 static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
 709                               double power_initial,
 710                               tmgr_trace_t power_trace,
 711                               e_surf_cpu_state_t state_initial,
 712                               tmgr_trace_t state_trace,
 713                               double interference_send,
 714                               double interference_recv,
 715                               double interference_send_recv,
 716                               double max_outgoing_rate)
 717 {
 718   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 719
 720   cpu->resource = (surf_resource_t) surf_workstation_resource;
 721   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 722   cpu->name = xbt_strdup(name);
 723   cpu->id = nb_workstation++;
 724
 725   cpu->power_scale = power_scale;
 726   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 727
 728   cpu->power_current = power_initial;
 729   if (power_trace)
 730     cpu->power_event =
 731         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 732
 733   cpu->state_current = state_initial;
 734   if (state_trace)
 735     cpu->state_event =
 736         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 737
 738   cpu->interference_send = interference_send;
 739   cpu->interference_recv = interference_recv;
 740   cpu->interference_send_recv = interference_send_recv;
 741
 742   cpu->constraint =
 743       lmm_constraint_new(maxmin_system, cpu,
 744                          cpu->power_current * cpu->power_scale);
 745   if (max_outgoing_rate > 0)
 746     cpu->bus = lmm_constraint_new(maxmin_system, cpu, max_outgoing_rate);
 747
 748   cpu->incomming_communications =
 749       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 750   cpu->outgoing_communications =
 751       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 752
 753   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 754
 755   return cpu;
 756 }
 757
 758 static void parse_cpu(void)
 759 {
 760   double power_scale = 0.0;
 761   double power_initial = 0.0;
 762   tmgr_trace_t power_trace = NULL;
 763   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 764   tmgr_trace_t state_trace = NULL;
 765   double interference_send = 0.0;
 766   double interference_recv = 0.0;
 767   double interference_send_recv = 0.0;
 768   double max_outgoing_rate = -1.0;
 769
 770   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 771   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 772   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 773
 774   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 775               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 776               "Invalid state");
 777   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 778     state_initial = SURF_CPU_ON;
 779   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 780     state_initial = SURF_CPU_OFF;
 781   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 782
 783   surf_parse_get_double(&interference_send,
 784                         A_surfxml_cpu_interference_send);
 785   surf_parse_get_double(&interference_recv,
 786                         A_surfxml_cpu_interference_recv);
 787   surf_parse_get_double(&interference_send_recv,
 788                         A_surfxml_cpu_interference_send_recv);
 789   surf_parse_get_double(&max_outgoing_rate,
 790                         A_surfxml_cpu_max_outgoing_rate);
 791
 792   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 793           state_initial, state_trace, interference_send, interference_recv,
 794           interference_send_recv, max_outgoing_rate);
 795 }
 796
 797 static void create_routing_table(void)
 798 {
 799   routing_table =
 800       xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 801 }
 802
 803 static void network_link_free(void *nw_link)
 804 {
 805   free(((network_link_KCCFLN05_t) nw_link)->name);
 806   free(nw_link);
 807 }
 808
 809 static network_link_KCCFLN05_t network_link_new(char *name,
 810                                                 double bw_initial,
 811                                                 tmgr_trace_t bw_trace,
 812                                                 double lat_initial,
 813                                                 tmgr_trace_t lat_trace,
 814                                                 e_surf_network_link_state_t
 815                                                 state_initial,
 816                                                 tmgr_trace_t state_trace,
 817                                                 e_surf_network_link_sharing_policy_t policy)
 818 {
 819   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 820
 821
 822   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 823   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 824   nw_link->name = name;
 825   nw_link->bw_current = bw_initial;
 826   if (bw_trace)
 827     nw_link->bw_event =
 828         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 829   nw_link->state_current = state_initial;
 830   nw_link->lat_current = lat_initial;
 831   if (lat_trace)
 832     nw_link->lat_event =
 833         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 834   if (state_trace)
 835     nw_link->state_event =
 836         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 837
 838   nw_link->constraint =
 839       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 840
 841   if(policy == SURF_NETWORK_LINK_FATPIPE)
 842     lmm_constraint_shared(nw_link->constraint);
 843
 844   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 845
 846   return nw_link;
 847 }
 848
 849 static void parse_network_link(void)
 850 {
 851   char *name;
 852   double bw_initial;
 853   tmgr_trace_t bw_trace;
 854   double lat_initial;
 855   tmgr_trace_t lat_trace;
 856   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 857   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 858   tmgr_trace_t state_trace;
 859
 860   name = xbt_strdup(A_surfxml_network_link_name);
 861   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 862   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 863   surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
 864   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 865
 866   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 867               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 868               "Invalid state");
 869   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 870     state_initial = SURF_NETWORK_LINK_ON;
 871   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 872     state_initial = SURF_NETWORK_LINK_OFF;
 873
 874   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 875     policy_initial = SURF_NETWORK_LINK_SHARED;
 876   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 877     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 878
 879   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 880
 881   network_link_new(name, bw_initial, bw_trace,
 882                    lat_initial, lat_trace, state_initial, state_trace,
 883                    policy_initial);
 884 }
 885
 886 static void route_new(int src_id, int dst_id, network_link_KCCFLN05_t *link_list, int nb_link,
 887                       double impact_on_src, double impact_on_dst,
 888                       double impact_on_src_with_other_recv,
 889                       double impact_on_dst_with_other_send)
 890 {
 891   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 892
 893   route->size = nb_link;
 894   route->links = link_list = xbt_realloc(link_list, sizeof(network_link_KCCFLN05_t) * nb_link);
 895   route->impact_on_src = impact_on_src;
 896   route->impact_on_dst = impact_on_src;
 897   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
 898   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 899 }
 900
 901 static int nb_link;
 902 static int link_list_capacity;
 903 static network_link_KCCFLN05_t *link_list = NULL;
 904 static int src_id = -1;
 905 static int dst_id = -1;
 906 static double impact_on_src;
 907 static double impact_on_dst;
 908 static double impact_on_src_with_other_recv;
 909 static double impact_on_dst_with_other_send;
 910
 911 static void parse_route_set_endpoints(void)
 912 {
 913   src_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_src))->id;
 914   dst_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_dst))->id;
 915   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
 916   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
 917   surf_parse_get_double(&impact_on_src_with_other_recv,
 918                         A_surfxml_route_impact_on_src_with_other_recv);
 919   surf_parse_get_double(&impact_on_dst_with_other_send,
 920                         A_surfxml_route_impact_on_dst_with_other_send);
 921
 922   nb_link = 0;
 923   link_list_capacity = 20;
 924   link_list = xbt_new(network_link_KCCFLN05_t, link_list_capacity);
 925 }
 926
 927 static void parse_route_elem(void)
 928 {
 929   if (nb_link == link_list_capacity) {
 930     link_list_capacity *= 2;
 931     link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_KCCFLN05_t));
 932   }
 933   link_list[nb_link++] = xbt_dict_get_or_null(network_link_set, A_surfxml_route_element_name);
 934 }
 935
 936 static void parse_route_set_route(void)
 937 {
 938   route_new(src_id, dst_id, link_list, nb_link, impact_on_src,
 939             impact_on_dst, impact_on_src_with_other_recv,
 940             impact_on_dst_with_other_send);
 941 }
 942
 943 static void parse_file(const char *file)
 944 {
 945   int i ;
 946
 947   /* Figuring out the cpus */
 948   surf_parse_reset_parser();
 949   ETag_surfxml_cpu_fun = parse_cpu;
 950   surf_parse_open(file);
 951   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 952   surf_parse_close();
 953
 954   create_routing_table();
 955
 956   /* Figuring out the network links */
 957   surf_parse_reset_parser();
 958   ETag_surfxml_network_link_fun = parse_network_link;
 959   surf_parse_open(file);
 960   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 961   surf_parse_close();
 962
 963   /* Building the routes */
 964   surf_parse_reset_parser();
 965   STag_surfxml_route_fun = parse_route_set_endpoints;
 966   ETag_surfxml_route_element_fun = parse_route_elem;
 967   ETag_surfxml_route_fun = parse_route_set_route;
 968   surf_parse_open(file);
 969   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 970   surf_parse_close();
 971
 972   /* Adding loopback if needed */
 973   for (i = 0; i < nb_workstation; i++)
 974     if(!ROUTE(i,i).size) {
 975       if(!loopback)
 976         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 977                                    498000000, NULL, 0.000015, NULL,
 978                                    SURF_NETWORK_LINK_ON, NULL,
 979                                    SURF_NETWORK_LINK_FATPIPE);
 980       ROUTE(i,i).size=1;
 981       ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
 982       ROUTE(i,i).links[0] = loopback;
 983     }
 984
 985 }
 986
 987 /**************************************/
 988 /********* Module  creation ***********/
 989 /**************************************/
 990
 991 static void resource_init_internal(void)
 992 {
 993   s_surf_action_t action;
 994
 995   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 996
 997   surf_workstation_resource->common_private =
 998       xbt_new0(s_surf_resource_private_t, 1);
 999   surf_workstation_resource->common_public =
1000       xbt_new0(s_surf_resource_public_t, 1);
1001   surf_workstation_resource->extension_public =
1002       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
1003
1004   surf_workstation_resource->common_public->states.ready_action_set =
1005       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1006   surf_workstation_resource->common_public->states.running_action_set =
1007       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1008   surf_workstation_resource->common_public->states.failed_action_set =
1009       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1010   surf_workstation_resource->common_public->states.done_action_set =
1011       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1012
1013   surf_workstation_resource->common_public->name_service = name_service;
1014   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
1015   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
1016   surf_workstation_resource->common_public->action_get_start_time =
1017       surf_action_get_start_time;
1018   surf_workstation_resource->common_public->action_get_finish_time =
1019       surf_action_get_finish_time;
1020   surf_workstation_resource->common_public->action_use = action_use;
1021   surf_workstation_resource->common_public->action_free = action_free;
1022   surf_workstation_resource->common_public->action_cancel = action_cancel;
1023   surf_workstation_resource->common_public->action_recycle = action_recycle;
1024   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
1025   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
1026   surf_workstation_resource->common_public->suspend = action_suspend;
1027   surf_workstation_resource->common_public->resume = action_resume;
1028   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
1029   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
1030   surf_workstation_resource->common_public->set_priority = action_set_priority;
1031   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
1032
1033   surf_workstation_resource->common_private->resource_used = resource_used;
1034   surf_workstation_resource->common_private->share_resources = share_resources;
1035   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
1036   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
1037   surf_workstation_resource->common_private->finalize = finalize;
1038
1039   surf_workstation_resource->extension_public->execute = execute;
1040   surf_workstation_resource->extension_public->sleep = action_sleep;
1041   surf_workstation_resource->extension_public->get_state = resource_get_state;
1042   surf_workstation_resource->extension_public->get_speed = get_speed;
1043   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
1044   surf_workstation_resource->extension_public->communicate = communicate;
1045   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
1046   surf_workstation_resource->extension_public->get_route = get_route;
1047   surf_workstation_resource->extension_public->get_route_size = get_route_size;
1048   surf_workstation_resource->extension_public->get_link_name = get_link_name;
1049   surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
1050   surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
1051
1052   workstation_set = xbt_dict_new();
1053   network_link_set = xbt_dict_new();
1054
1055   xbt_assert0(maxmin_system, "surf_init has to be called first!");
1056 }
1057
1058 /**************************************/
1059 /*************** Generic **************/
1060 /**************************************/
1061 void surf_workstation_resource_init_KCCFLN05(const char *filename)
1062 {
1063   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1064   xbt_assert0(!surf_network_resource, "network resource type already defined");
1065   resource_init_internal();
1066   parse_file(filename);
1067
1068   xbt_dynar_push(resource_list, &surf_workstation_resource);
1069 }
1070
1071 void surf_workstation_resource_init_KCCFLN05_proportionnal(const char *filename)
1072 {
1073   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1074   xbt_assert0(!surf_network_resource, "network resource type already defined");
1075   resource_init_internal();
1076   parse_file(filename);
1077
1078   surf_workstation_resource->common_public->name = "Workstation KCCFLN05 (proportionnal)";
1079   use_sdp_solver=1;
1080   xbt_dynar_push(resource_list, &surf_workstation_resource);
1081 }