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