3 * Network with improved management of tasks, IM (Improved Management).
4 * Uses a heap to store actions so that the share_resources is faster.
5 * This model automatically sets the selective update flag to 1 and is
6 * highly dependent on the maxmin lmm module.
9 /* Copyright (c) 2009, 2010, 2011. The SimGrid Team.
10 * All rights reserved. */
12 /* This program is free software; you can redistribute it and/or modify it
13 * under the terms of the license (GNU LGPL) which comes with this package. */
17 #include "surf_private.h"
19 #include "maxmin_private.h"
20 #include "surf/surf_resource_lmm.h"
24 #define GENERIC_ACTION(action) action->generic_action
27 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_im, surf,
28 "Logging specific to the SURF network module");
31 enum heap_action_type{
38 typedef struct surf_action_network_CM02_im {
39 s_surf_action_t generic_action;
40 s_xbt_swag_hookup_t action_list_hookup;
44 lmm_variable_t variable;
46 #ifdef HAVE_LATENCY_BOUND_TRACKING
55 enum heap_action_type hat;
57 } s_surf_action_network_CM02_im_t, *surf_action_network_CM02_im_t;
60 typedef struct network_link_CM02_im {
61 s_surf_resource_lmm_t lmm_resource; /* must remain first to be added to a trace */
63 /* Using this object with the public part of
64 model does not make sense */
66 tmgr_trace_event_t lat_event;
67 } s_link_CM02_im_t, *link_CM02_im_t;
76 extern surf_model_t surf_network_model;
77 static lmm_system_t network_im_maxmin_system = NULL;
78 static void (*network_im_solve) (lmm_system_t) = NULL;
80 extern double sg_latency_factor;
81 extern double sg_bandwidth_factor;
82 extern double sg_weight_S_parameter;
84 extern double sg_tcp_gamma;
85 extern int sg_network_fullduplex;
88 static void im_net_action_recycle(surf_action_t action);
89 static int im_net_get_link_latency_limited(surf_action_t action);
90 static int im_net_action_is_suspended(surf_action_t action);
91 static double im_net_action_get_remains(surf_action_t action);
92 static void im_net_action_set_max_duration(surf_action_t action, double duration);
93 static void im_net_update_actions_state(double now, double delta);
94 static void update_action_remaining(double now);
96 static xbt_swag_t im_net_modified_set = NULL;
97 static xbt_heap_t im_net_action_heap = NULL;
98 xbt_swag_t keep_track = NULL;
99 extern int sg_maxmin_selective_update;
101 /* added to manage the communication action's heap */
102 static void im_net_action_update_index_heap(void *action, int i)
104 ((surf_action_network_CM02_im_t) action)->index_heap = i;
107 /* insert action on heap using a given key and a hat (heap_action_type)
108 * a hat can be of three types for communications:
110 * NORMAL = this is a normal heap entry stating the date to finish transmitting
111 * LATENCY = this is a heap entry to warn us when the latency is payed
112 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
114 static void heap_insert(surf_action_network_CM02_im_t action, double key, enum heap_action_type hat){
116 xbt_heap_push(im_net_action_heap, action, key);
119 static void heap_remove(surf_action_network_CM02_im_t action){
121 if(((surf_action_network_CM02_im_t) action)->index_heap >= 0){
122 xbt_heap_remove(im_net_action_heap,action->index_heap);
126 /******************************************************************************/
127 /* Factors callbacks */
128 /******************************************************************************/
129 static double im_constant_latency_factor(double size)
131 return sg_latency_factor;
134 static double im_constant_bandwidth_factor(double size)
136 return sg_bandwidth_factor;
139 static double im_constant_bandwidth_constraint(double rate, double bound,
146 static double (*im_latency_factor_callback) (double) =
147 &im_constant_latency_factor;
148 static double (*im_bandwidth_factor_callback) (double) =
149 &im_constant_bandwidth_factor;
150 static double (*im_bandwidth_constraint_callback) (double, double, double) =
151 &im_constant_bandwidth_constraint;
154 static void* im_net_create_resource(const char *name,
156 tmgr_trace_t bw_trace,
158 tmgr_trace_t lat_trace,
159 e_surf_resource_state_t
161 tmgr_trace_t state_trace,
162 e_surf_link_sharing_policy_t
163 policy, xbt_dict_t properties)
165 link_CM02_im_t nw_link = (link_CM02_im_t)
166 surf_resource_lmm_new(sizeof(s_link_CM02_im_t),
167 surf_network_model, name, properties,
168 network_im_maxmin_system,
169 sg_bandwidth_factor * bw_initial,
171 state_initial, state_trace,
172 bw_initial, bw_trace);
174 xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
175 "Link '%s' declared several times in the platform file.",
178 nw_link->lat_current = lat_initial;
181 tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
183 if (policy == SURF_LINK_FATPIPE)
184 lmm_constraint_shared(nw_link->lmm_resource.constraint);
186 xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
191 static void im_net_parse_link_init(sg_platf_link_cbarg_t link)
193 if(link->policy == SURF_LINK_FULLDUPLEX)
195 char *name = bprintf("%s_UP",link->id);
196 im_net_create_resource(name, link->bandwidth, link->bandwidth_trace,
197 link->latency, link->latency_trace, link->state, link->state_trace,
198 link->policy, link->properties);
200 name = bprintf("%s_DOWN",link->id);
201 im_net_create_resource(name, link->bandwidth, link->bandwidth_trace,
202 link->latency, link->latency_trace, link->state, link->state_trace,
203 link->policy, NULL); // FIXME: We need to deep copy the properties or we won't be able to free it
208 im_net_create_resource(link->id, link->bandwidth, link->bandwidth_trace,
209 link->latency, link->latency_trace, link->state, link->state_trace,
210 link->policy, link->properties);
214 static void im_net_add_traces(void)
216 xbt_dict_cursor_t cursor = NULL;
217 char *trace_name, *elm;
219 static int called = 0;
224 /* connect all traces relative to network */
225 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
226 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
227 link_CM02_im_t link =
228 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
230 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
233 "Cannot connect trace %s to link %s: trace undefined",
236 link->lmm_resource.state_event =
237 tmgr_history_add_trace(history, trace, 0.0, 0, link);
240 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
241 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
242 link_CM02_im_t link =
243 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
245 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
248 "Cannot connect trace %s to link %s: trace undefined",
251 link->lmm_resource.power.event =
252 tmgr_history_add_trace(history, trace, 0.0, 0, link);
255 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
256 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
257 link_CM02_im_t link =
258 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
260 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
263 "Cannot connect trace %s to link %s: trace undefined",
266 link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
270 static void im_net_define_callbacks(void)
272 /* Figuring out the network links */
273 sg_platf_link_add_cb(im_net_parse_link_init);
274 sg_platf_postparse_add_cb(im_net_add_traces);
277 static int im_net_resource_used(void *resource_id)
279 return lmm_constraint_used(network_im_maxmin_system,
280 ((surf_resource_lmm_t)
281 resource_id)->constraint);
284 static int im_net_action_unref(surf_action_t action)
287 if (!action->refcount) {
288 xbt_swag_remove(action, action->state_set);
289 if (((surf_action_network_CM02_im_t) action)->variable){
290 lmm_variable_free(network_im_maxmin_system,
291 ((surf_action_network_CM02_im_t) action)->variable);
293 // remove action from the heap
294 heap_remove((surf_action_network_CM02_im_t) action);
296 xbt_swag_remove(action, im_net_modified_set);
298 xbt_free(((surf_action_network_CM02_im_t) action)->src_name);
299 xbt_free(((surf_action_network_CM02_im_t) action)->dst_name);
300 xbt_free(action->category);
302 surf_action_free(&action);
310 static void im_net_action_cancel(surf_action_t action)
312 surf_network_model->action_state_set(action, SURF_ACTION_FAILED);
314 xbt_swag_remove(action, im_net_modified_set);
315 // remove action from the heap
316 heap_remove((surf_action_network_CM02_im_t) action);
319 static void im_net_action_recycle(surf_action_t action)
324 #ifdef HAVE_LATENCY_BOUND_TRACKING
325 static int im_net_get_link_latency_limited(surf_action_t action)
327 return action->latency_limited;
331 static double im_net_action_get_remains(surf_action_t action)
333 /* update remains before return it */
334 update_action_remaining(surf_get_clock());
335 return action->remains;
338 static void update_action_remaining(double now){
339 surf_action_network_CM02_im_t action = NULL;
342 xbt_swag_foreach(action, im_net_modified_set) {
344 if(action->suspended != 0){
348 delta = now - action->last_update;
350 double_update(&(action->generic_action.remains),
351 lmm_variable_getvalue(action->variable) * delta);
353 if (action->generic_action.max_duration != NO_MAX_DURATION)
354 double_update(&(action->generic_action.max_duration), delta);
356 if ((action->generic_action.remains <= 0) &&
357 (lmm_get_variable_weight(action->variable) > 0)) {
358 action->generic_action.finish = surf_get_clock();
359 surf_network_model->action_state_set((surf_action_t) action,
362 } else if ((action->generic_action.max_duration != NO_MAX_DURATION)
363 && (action->generic_action.max_duration <= 0)) {
364 action->generic_action.finish = surf_get_clock();
365 surf_network_model->action_state_set((surf_action_t) action,
370 action->last_update = now;
374 static double im_net_share_resources(double now)
376 surf_action_network_CM02_im_t action = NULL;
380 XBT_DEBUG("Before share resources, the size of modified actions set is %d", xbt_swag_size(im_net_modified_set));
381 update_action_remaining(now);
383 keep_track = im_net_modified_set;
384 lmm_solve(network_im_maxmin_system);
387 XBT_DEBUG("After share resources, The size of modified actions set is %d", xbt_swag_size(im_net_modified_set));
389 xbt_swag_foreach(action, im_net_modified_set) {
390 if (GENERIC_ACTION(action).state_set != surf_network_model->states.running_action_set){
394 /* bogus priority, skip it */
395 if (GENERIC_ACTION(action).priority <= 0){
400 value = lmm_variable_getvalue(action->variable);
402 if (GENERIC_ACTION(action).remains > 0) {
403 value = GENERIC_ACTION(action).remains / value;
411 if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION)
413 || GENERIC_ACTION(action).start +
414 GENERIC_ACTION(action).max_duration < min)){
415 min = GENERIC_ACTION(action).start +
416 GENERIC_ACTION(action).max_duration;
419 XBT_DEBUG("Action(%p) Start %lf Finish %lf Max_duration %lf", action,
420 GENERIC_ACTION(action).start, now + value,
421 GENERIC_ACTION(action).max_duration);
425 if (action->index_heap >= 0) {
426 heap_remove((surf_action_network_CM02_im_t) action);
430 heap_insert((surf_action_network_CM02_im_t) action, min, NORMAL);
431 XBT_DEBUG("Insert at heap action(%p) min %lf now %lf", action, min, now);
435 //hereafter must have already the min value for this resource model
436 if(xbt_heap_size(im_net_action_heap) > 0 ){
437 min = xbt_heap_maxkey(im_net_action_heap) - now ;
442 XBT_DEBUG("The minimum with the HEAP %lf", min);
448 static void im_net_update_actions_state(double now, double delta)
450 surf_action_network_CM02_im_t action = NULL;
452 while ((xbt_heap_size(im_net_action_heap) > 0)
453 && (double_equals(xbt_heap_maxkey(im_net_action_heap), now))) {
454 action = xbt_heap_pop(im_net_action_heap);
455 XBT_DEBUG("Action %p: finish", action);
456 GENERIC_ACTION(action).finish = surf_get_clock();
458 // if I am wearing a latency heat
459 if( action->hat == LATENCY){
460 lmm_update_variable_weight(network_im_maxmin_system, action->variable,
463 action->last_update = surf_get_clock();
465 XBT_DEBUG("Action (%p) is not limited by latency anymore", action);
466 #ifdef HAVE_LATENCY_BOUND_TRACKING
467 GENERIC_ACTION(action).latency_limited = 0;
470 // if I am wearing a max_duration or normal hat
471 }else if( action->hat == MAX_DURATION || action->hat == NORMAL ){
472 // no need to communicate anymore
473 // assume that flows that reached max_duration have remaining of 0
474 GENERIC_ACTION(action).remains = 0;
475 action->generic_action.finish = surf_get_clock();
476 surf_network_model->action_state_set((surf_action_t) action,
484 static void im_net_update_resource_state(void *id,
485 tmgr_trace_event_t event_type,
486 double value, double date)
488 link_CM02_im_t nw_link = id;
489 /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
490 /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
491 /* value, event_type); */
493 if (event_type == nw_link->lmm_resource.power.event) {
495 sg_weight_S_parameter / value - sg_weight_S_parameter /
496 (nw_link->lmm_resource.power.peak *
497 nw_link->lmm_resource.power.scale);
498 lmm_variable_t var = NULL;
499 lmm_element_t elem = NULL;
500 surf_action_network_CM02_im_t action = NULL;
502 nw_link->lmm_resource.power.peak = value;
503 lmm_update_constraint_bound(network_im_maxmin_system,
504 nw_link->lmm_resource.constraint,
505 sg_bandwidth_factor *
506 (nw_link->lmm_resource.power.peak *
507 nw_link->lmm_resource.power.scale));
509 TRACE_surf_link_set_bandwidth(date, (char *)(((nw_link->lmm_resource).generic_resource).name),
510 sg_bandwidth_factor *
511 (nw_link->lmm_resource.power.peak *
512 nw_link->lmm_resource.power.scale));
514 if (sg_weight_S_parameter > 0) {
515 while ((var = lmm_get_var_from_cnst
516 (network_im_maxmin_system, nw_link->lmm_resource.constraint,
518 action = lmm_variable_id(var);
519 action->weight += delta;
520 if (!(action->suspended))
521 lmm_update_variable_weight(network_im_maxmin_system,
522 action->variable, action->weight);
525 if (tmgr_trace_event_free(event_type))
526 nw_link->lmm_resource.power.event = NULL;
527 } else if (event_type == nw_link->lat_event) {
528 double delta = value - nw_link->lat_current;
529 lmm_variable_t var = NULL;
530 lmm_element_t elem = NULL;
531 surf_action_network_CM02_im_t action = NULL;
533 nw_link->lat_current = value;
534 while ((var = lmm_get_var_from_cnst
535 (network_im_maxmin_system, nw_link->lmm_resource.constraint,
537 action = lmm_variable_id(var);
538 action->lat_current += delta;
539 action->weight += delta;
540 if (action->rate < 0)
541 lmm_update_variable_bound(network_im_maxmin_system, action->variable,
542 sg_tcp_gamma / (2.0 *
543 action->lat_current));
545 lmm_update_variable_bound(network_im_maxmin_system, action->variable,
547 sg_tcp_gamma / (2.0 *
548 action->lat_current)));
550 if (action->rate < sg_tcp_gamma / (2.0 * action->lat_current)) {
551 XBT_INFO("Flow is limited BYBANDWIDTH");
553 XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f",
554 action->lat_current);
557 if (!(action->suspended))
558 lmm_update_variable_weight(network_im_maxmin_system, action->variable,
562 if (tmgr_trace_event_free(event_type))
563 nw_link->lat_event = NULL;
564 } else if (event_type == nw_link->lmm_resource.state_event) {
566 nw_link->lmm_resource.state_current = SURF_RESOURCE_ON;
568 lmm_constraint_t cnst = nw_link->lmm_resource.constraint;
569 lmm_variable_t var = NULL;
570 lmm_element_t elem = NULL;
572 nw_link->lmm_resource.state_current = SURF_RESOURCE_OFF;
573 while ((var = lmm_get_var_from_cnst
574 (network_im_maxmin_system, cnst, &elem))) {
575 surf_action_t action = lmm_variable_id(var);
577 if (surf_action_state_get(action) == SURF_ACTION_RUNNING ||
578 surf_action_state_get(action) == SURF_ACTION_READY) {
579 action->finish = date;
580 surf_network_model->action_state_set(action, SURF_ACTION_FAILED);
584 if (tmgr_trace_event_free(event_type))
585 nw_link->lmm_resource.state_event = NULL;
587 XBT_CRITICAL("Unknown event ! \n");
591 XBT_DEBUG("There were a resource state event, need to update actions related to the constraint (%p)", nw_link->lmm_resource.constraint);
596 static surf_action_t im_net_communicate(const char *src_name,
597 const char *dst_name, double size,
603 surf_action_network_CM02_im_t action = NULL;
604 double bandwidth_bound;
605 /* LARGE PLATFORMS HACK:
606 Add a link_CM02_im_t *link and a int link_nb to network_card_CM02_im_t. It will represent local links for this node
607 Use the cluster_id for ->id */
609 xbt_dynar_t back_route = NULL;
610 int constraints_per_variable = 0;
611 // I need to have the forward and backward routes at the same time, so allocate "route". That way, the routing wont clean it up
612 xbt_dynar_t route=xbt_dynar_new(global_routing->size_of_link,NULL);
613 routing_get_route_and_latency(src_name, dst_name,&route,NULL);
616 if (sg_network_fullduplex == 1) {
617 routing_get_route_and_latency(dst_name, src_name, &back_route, NULL);
620 /* LARGE PLATFORMS HACK:
621 total_route_size = route_size + src->link_nb + dst->nb */
623 XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
624 /* LARGE PLATFORMS HACK:
625 assert on total_route_size */
626 xbt_assert(xbt_dynar_length(route),
627 "You're trying to send data from %s to %s but there is no connection between these two hosts.",
630 xbt_dynar_foreach(route, i, link) {
631 if (link->lmm_resource.state_current == SURF_RESOURCE_OFF) {
637 surf_action_new(sizeof(s_surf_action_network_CM02_im_t), size,
638 surf_network_model, failed);
641 #ifdef HAVE_LATENCY_BOUND_TRACKING
642 (action->generic_action).latency_limited = 0;
645 xbt_swag_insert(action, action->generic_action.state_set);
647 action->index_heap = -1;
648 action->latency = 0.0;
649 action->weight = 0.0;
650 action->last_update = surf_get_clock();
652 bandwidth_bound = -1.0;
653 xbt_dynar_foreach(route, i, link) {
654 action->latency += link->lat_current;
657 sg_weight_S_parameter /
658 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
659 if (bandwidth_bound < 0.0)
661 im_bandwidth_factor_callback(size) *
662 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
666 im_bandwidth_factor_callback(size) *
667 (link->lmm_resource.power.peak *
668 link->lmm_resource.power.scale));
670 /* LARGE PLATFORMS HACK:
671 Add src->link and dst->link latencies */
672 action->lat_current = action->latency;
673 action->latency *= im_latency_factor_callback(size);
675 im_bandwidth_constraint_callback(action->rate, bandwidth_bound,
678 /* LARGE PLATFORMS HACK:
679 lmm_variable_new(..., total_route_size) */
680 if (back_route != NULL) {
681 constraints_per_variable =
682 xbt_dynar_length(route) + xbt_dynar_length(back_route);
684 constraints_per_variable = xbt_dynar_length(route);
687 if (action->latency > 0){
689 lmm_variable_new(network_im_maxmin_system, action, 0.0, -1.0,
690 constraints_per_variable);
691 // add to the heap the event when the latency is payed
692 XBT_DEBUG("Added action (%p) one latency event at date %f", action, action->latency + action->last_update);
693 heap_insert(action, action->latency + action->last_update, LATENCY);
694 #ifdef HAVE_LATENCY_BOUND_TRACKING
695 (action->generic_action).latency_limited = 1;
700 lmm_variable_new(network_im_maxmin_system, action, 1.0, -1.0,
701 constraints_per_variable);
703 if (action->rate < 0) {
704 if (action->lat_current > 0)
705 lmm_update_variable_bound(network_im_maxmin_system, action->variable,
706 sg_tcp_gamma / (2.0 *
707 action->lat_current));
709 lmm_update_variable_bound(network_im_maxmin_system, action->variable,
712 if (action->lat_current > 0)
713 lmm_update_variable_bound(network_im_maxmin_system, action->variable,
715 sg_tcp_gamma / (2.0 *
716 action->lat_current)));
718 lmm_update_variable_bound(network_im_maxmin_system, action->variable,
722 xbt_dynar_foreach(route, i, link) {
723 lmm_expand(network_im_maxmin_system, link->lmm_resource.constraint,
724 action->variable, 1.0);
727 if (sg_network_fullduplex == 1) {
728 XBT_DEBUG("Fullduplex active adding backward flow using 5%c", '%');
729 xbt_dynar_foreach(back_route, i, link) {
730 lmm_expand(network_im_maxmin_system, link->lmm_resource.constraint,
731 action->variable, .05);
735 /* LARGE PLATFORMS HACK:
736 expand also with src->link and dst->link */
738 if (TRACE_is_enabled()) {
739 action->src_name = xbt_strdup(src_name);
740 action->dst_name = xbt_strdup(dst_name);
742 action->src_name = action->dst_name = NULL;
746 xbt_dynar_free(&route);
749 return (surf_action_t) action;
752 static xbt_dynar_t im_net_get_route(const char *src, const char *dst)
754 xbt_dynar_t route=NULL;
755 routing_get_route_and_latency(src, dst,&route,NULL);
759 static double im_net_get_link_bandwidth(const void *link)
761 surf_resource_lmm_t lmm = (surf_resource_lmm_t) link;
762 return lmm->power.peak * lmm->power.scale;
765 static double im_net_get_link_latency(const void *link)
767 return ((link_CM02_im_t) link)->lat_current;
770 static int im_net_link_shared(const void *link)
773 lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint);
776 static void im_net_action_suspend(surf_action_t action)
778 ((surf_action_network_CM02_im_t) action)->suspended = 1;
779 lmm_update_variable_weight(network_im_maxmin_system,
780 ((surf_action_network_CM02_im_t)
781 action)->variable, 0.0);
783 // remove action from the heap
784 heap_remove((surf_action_network_CM02_im_t) action);
787 static void im_net_action_resume(surf_action_t action)
789 if (((surf_action_network_CM02_im_t) action)->suspended) {
790 lmm_update_variable_weight(network_im_maxmin_system,
791 ((surf_action_network_CM02_im_t)
793 ((surf_action_network_CM02_im_t)
795 ((surf_action_network_CM02_im_t) action)->suspended = 0;
796 // remove action from the heap
797 heap_remove((surf_action_network_CM02_im_t) action);
801 static int im_net_action_is_suspended(surf_action_t action)
803 return ((surf_action_network_CM02_im_t) action)->suspended;
806 static void im_net_action_set_max_duration(surf_action_t action, double duration)
808 action->max_duration = duration;
809 // remove action from the heap
810 heap_remove((surf_action_network_CM02_im_t) action);
814 static void im_net_finalize(void)
816 surf_model_exit(surf_network_model);
817 surf_network_model = NULL;
819 lmm_system_free(network_im_maxmin_system);
820 network_im_maxmin_system = NULL;
822 xbt_heap_free(im_net_action_heap);
823 xbt_swag_free(im_net_modified_set);
827 static void im_surf_network_model_init_internal(void)
829 s_surf_action_network_CM02_im_t comm;
831 surf_network_model = surf_model_init();
833 surf_network_model->name = "network";
834 surf_network_model->action_unref = im_net_action_unref;
835 surf_network_model->action_cancel = im_net_action_cancel;
836 surf_network_model->action_recycle = im_net_action_recycle;
837 surf_network_model->get_remains = im_net_action_get_remains;
838 #ifdef HAVE_LATENCY_BOUND_TRACKING
839 surf_network_model->get_latency_limited = im_net_get_link_latency_limited;
842 surf_network_model->model_private->resource_used = im_net_resource_used;
843 surf_network_model->model_private->share_resources = im_net_share_resources;
844 surf_network_model->model_private->update_actions_state =
845 im_net_update_actions_state;
846 surf_network_model->model_private->update_resource_state =
847 im_net_update_resource_state;
848 surf_network_model->model_private->finalize = im_net_finalize;
850 surf_network_model->suspend = im_net_action_suspend;
851 surf_network_model->resume = im_net_action_resume;
852 surf_network_model->is_suspended = im_net_action_is_suspended;
853 surf_cpu_model->set_max_duration = im_net_action_set_max_duration;
855 surf_network_model->extension.network.communicate = im_net_communicate;
856 surf_network_model->extension.network.get_route = im_net_get_route;
857 surf_network_model->extension.network.get_link_bandwidth =
858 im_net_get_link_bandwidth;
859 surf_network_model->extension.network.get_link_latency =
860 im_net_get_link_latency;
861 surf_network_model->extension.network.link_shared = im_net_link_shared;
862 surf_network_model->extension.network.add_traces = im_net_add_traces;
863 surf_network_model->extension.network.create_resource =
864 im_net_create_resource;
867 if (!network_im_maxmin_system){
868 sg_maxmin_selective_update = 1;
869 network_im_maxmin_system = lmm_system_new();
871 im_net_action_heap = xbt_heap_new(8,NULL);
873 xbt_heap_set_update_callback(im_net_action_heap, im_net_action_update_index_heap);
875 routing_model_create(sizeof(link_CM02_im_t),
876 im_net_create_resource("__loopback__",
877 498000000, NULL, 0.000015, NULL,
878 SURF_RESOURCE_ON, NULL,
879 SURF_LINK_FATPIPE, NULL));
880 im_net_modified_set =
881 xbt_swag_new(xbt_swag_offset(comm, action_list_hookup));
886 /************************************************************************/
887 /* New model based on optimizations discussed during this thesis */
888 /************************************************************************/
889 void im_surf_network_model_init_LegrandVelho(void)
892 if (surf_network_model)
894 im_surf_network_model_init_internal();
895 im_net_define_callbacks();
896 xbt_dynar_push(model_list, &surf_network_model);
897 network_im_solve = lmm_solve;
899 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
900 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
902 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);