1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "network_private.h"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
12 "Logging specific to the SURF network module");
14 surf_model_t surf_network_model = NULL;
15 static lmm_system_t network_maxmin_system = NULL;
16 static void (*network_solve) (lmm_system_t) = NULL;
18 double sg_sender_gap = 0.0;
19 double sg_latency_factor = 1.0; /* default value; can be set by model or from command line */
20 double sg_bandwidth_factor = 1.0; /* default value; can be set by model or from command line */
21 double sg_weight_S_parameter = 0.0; /* default value; can be set by model or from command line */
23 double sg_tcp_gamma = 0.0;
24 int sg_network_fullduplex = 0;
26 xbt_dict_t gap_lookup = NULL;
28 static double net_get_link_bandwidth(const void *link);
30 static void gap_append(double size, const link_CM02_t link, surf_action_network_CM02_t action) {
31 const char* src = link->lmm_resource.generic_resource.name;
33 surf_action_network_CM02_t last_action;
36 if(sg_sender_gap > 0.0) {
38 gap_lookup = xbt_dict_new();
40 fifo = (xbt_fifo_t)xbt_dict_get_or_null(gap_lookup, src);
41 action->sender.gap = 0.0;
42 if(fifo && xbt_fifo_size(fifo) > 0) {
43 /* Compute gap from last send */
44 last_action = (surf_action_network_CM02_t)xbt_fifo_get_item_content(xbt_fifo_get_last_item(fifo));
45 bw = net_get_link_bandwidth(link);
46 action->sender.gap = last_action->sender.gap + max(sg_sender_gap, last_action->sender.size / bw);
47 action->latency += action->sender.gap;
49 /* Append action as last send */
50 action->sender.link_name = link->lmm_resource.generic_resource.name;
51 fifo = (xbt_fifo_t)xbt_dict_get_or_null(gap_lookup, action->sender.link_name);
53 fifo = xbt_fifo_new();
54 xbt_dict_set(gap_lookup, action->sender.link_name, fifo, NULL);
56 action->sender.fifo_item = xbt_fifo_push(fifo, action);
57 action->sender.size = size;
61 static void gap_remove(surf_action_network_CM02_t action) {
65 if(sg_sender_gap > 0.0) {
66 fifo = (xbt_fifo_t)xbt_dict_get_or_null(gap_lookup, action->sender.link_name);
67 xbt_fifo_remove_item(fifo, action->sender.fifo_item);
68 size = xbt_fifo_size(fifo);
71 xbt_dict_remove(gap_lookup, action->sender.link_name);
72 size = xbt_dict_size(gap_lookup);
74 xbt_dict_free(&gap_lookup);
80 /******************************************************************************/
81 /* Factors callbacks */
82 /******************************************************************************/
83 static double constant_latency_factor(double size)
85 return sg_latency_factor;
88 static double constant_bandwidth_factor(double size)
90 return sg_bandwidth_factor;
93 static double constant_bandwidth_constraint(double rate, double bound,
99 /**********************/
101 /**********************/
102 static double smpi_latency_factor(double size)
104 /* 1 B <= size <= 1 KiB */
105 if (size <= 1024.0) {
109 /* 2 KiB <= size <= 32 KiB */
110 if (size <= 32768.0) {
114 /* 64 KiB <= size <= 4 MiB */
118 static double smpi_bandwidth_factor(double size)
120 /* 1 B <= size <= 1 KiB */
121 if (size <= 1024.0) {
125 /* 2 KiB <= size <= 32 KiB */
126 if (size <= 32768.0) {
130 /* 64 KiB <= size <= 4 MiB */
134 static double smpi_bandwidth_constraint(double rate, double bound,
137 return rate < 0 ? bound : min(bound, rate * smpi_bandwidth_factor(size));
141 static double (*latency_factor_callback) (double) =
142 &constant_latency_factor;
143 static double (*bandwidth_factor_callback) (double) =
144 &constant_bandwidth_factor;
145 static double (*bandwidth_constraint_callback) (double, double, double) =
146 &constant_bandwidth_constraint;
149 static link_CM02_t net_link_new(char *name,
151 tmgr_trace_t bw_trace,
153 tmgr_trace_t lat_trace,
154 e_surf_resource_state_t
156 tmgr_trace_t state_trace,
157 e_surf_link_sharing_policy_t
158 policy, xbt_dict_t properties)
160 link_CM02_t nw_link = (link_CM02_t)
161 surf_resource_lmm_new(sizeof(s_link_CM02_t),
162 surf_network_model, name, properties,
163 network_maxmin_system,
164 sg_bandwidth_factor * bw_initial,
166 state_initial, state_trace,
167 bw_initial, bw_trace);
169 xbt_assert1(!xbt_dict_get_or_null
170 (surf_network_model->resource_set, name),
171 "Link '%s' declared several times in the platform file.",
174 nw_link->lat_current = lat_initial;
177 tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
179 if (policy == SURF_LINK_FATPIPE)
180 lmm_constraint_shared(nw_link->lmm_resource.constraint);
182 xbt_dict_set(surf_network_model->resource_set, name, nw_link,
185 TRACE_surf_link_declaration(nw_link, name, bw_initial, lat_initial);
191 static void net_parse_link_init(void)
195 tmgr_trace_t bw_trace;
197 tmgr_trace_t lat_trace;
198 e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
199 e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
200 tmgr_trace_t state_trace;
202 name_link = xbt_strdup(A_surfxml_link_id);
203 surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
204 bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
205 surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
206 lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
208 xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
209 || (A_surfxml_link_state ==
210 A_surfxml_link_state_OFF), "Invalid state");
211 if (A_surfxml_link_state == A_surfxml_link_state_ON)
212 state_initial_link = SURF_RESOURCE_ON;
213 else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
214 state_initial_link = SURF_RESOURCE_OFF;
216 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
217 policy_initial_link = SURF_LINK_SHARED;
220 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FATPIPE)
221 policy_initial_link = SURF_LINK_FATPIPE;
222 else if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX)
223 policy_initial_link = SURF_LINK_FULLDUPLEX;
226 state_trace = tmgr_trace_new(A_surfxml_link_state_file);
228 if(policy_initial_link == SURF_LINK_FULLDUPLEX)
230 net_link_new(bprintf("%s_UP",name_link), bw_initial, bw_trace,
231 lat_initial, lat_trace, state_initial_link, state_trace,
232 policy_initial_link, xbt_dict_new());
233 net_link_new(bprintf("%s_DOWN",name_link), bw_initial, bw_trace,
234 lat_initial, lat_trace, state_initial_link, state_trace,
235 policy_initial_link, xbt_dict_new());
239 net_link_new(name_link, bw_initial, bw_trace,
240 lat_initial, lat_trace, state_initial_link, state_trace,
241 policy_initial_link, xbt_dict_new());
246 static void net_create_resource(char *name,
248 tmgr_trace_t bw_trace,
250 tmgr_trace_t lat_trace,
251 e_surf_resource_state_t
253 tmgr_trace_t state_trace,
254 e_surf_link_sharing_policy_t policy,
255 xbt_dict_t properties)
257 net_link_new(name, bw_initial, bw_trace,
258 lat_initial, lat_trace, state_initial, state_trace,
259 policy, xbt_dict_new());
262 static void net_add_traces(void)
264 xbt_dict_cursor_t cursor = NULL;
265 char *trace_name, *elm;
267 static int called = 0;
272 /* connect all traces relative to network */
273 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
274 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
276 xbt_dict_get_or_null(surf_network_model->resource_set, elm);
278 xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
281 "Cannot connect trace %s to link %s: trace undefined",
284 link->lmm_resource.state_event =
285 tmgr_history_add_trace(history, trace, 0.0, 0, link);
288 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
289 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
291 xbt_dict_get_or_null(surf_network_model->resource_set, elm);
293 xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
296 "Cannot connect trace %s to link %s: trace undefined",
299 link->lmm_resource.power.event =
300 tmgr_history_add_trace(history, trace, 0.0, 0, link);
303 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
304 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
306 xbt_dict_get_or_null(surf_network_model->resource_set, elm);
308 xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
311 "Cannot connect trace %s to link %s: trace undefined",
314 link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
318 static void net_define_callbacks(const char *file)
320 /* Figuring out the network links */
321 surfxml_add_callback(STag_surfxml_link_cb_list, &net_parse_link_init);
322 surfxml_add_callback(ETag_surfxml_platform_cb_list, &net_add_traces);
325 static int net_resource_used(void *resource_id)
327 return lmm_constraint_used(network_maxmin_system,
328 ((surf_resource_lmm_t)
329 resource_id)->constraint);
332 static int net_action_unref(surf_action_t action)
335 if (!action->refcount) {
336 xbt_swag_remove(action, action->state_set);
337 if (((surf_action_network_CM02_t) action)->variable)
338 lmm_variable_free(network_maxmin_system,
339 ((surf_action_network_CM02_t) action)->variable);
341 xbt_free(((surf_action_network_CM02_t) action)->src_name);
342 xbt_free(((surf_action_network_CM02_t) action)->dst_name);
343 if (action->category)
344 xbt_free(action->category);
352 static void net_action_cancel(surf_action_t action)
354 surf_network_model->action_state_set(action, SURF_ACTION_FAILED);
357 void net_action_recycle(surf_action_t action)
362 #ifdef HAVE_LATENCY_BOUND_TRACKING
363 int net_get_link_latency_limited(surf_action_t action)
365 return action->latency_limited;
369 double net_action_get_remains(surf_action_t action)
371 return action->remains;
374 static double net_share_resources(double now)
376 s_surf_action_network_CM02_t s_action;
377 surf_action_network_CM02_t action = NULL;
378 xbt_swag_t running_actions =
379 surf_network_model->states.running_action_set;
382 min = generic_maxmin_share_resources(running_actions,
383 xbt_swag_offset(s_action,
385 network_maxmin_system,
388 #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) )))
390 xbt_swag_foreach(action, running_actions) {
391 #ifdef HAVE_LATENCY_BOUND_TRACKING
392 if (lmm_is_variable_limited_by_latency(action->variable)) {
393 (action->generic_action).latency_limited = 1;
395 (action->generic_action).latency_limited = 0;
398 if (action->latency > 0) {
400 min = action->latency;
401 else if (action->latency < min)
402 min = action->latency;
409 static void net_update_actions_state(double now, double delta)
412 surf_action_network_CM02_t action = NULL;
413 surf_action_network_CM02_t next_action = NULL;
414 xbt_swag_t running_actions =
415 surf_network_model->states.running_action_set;
417 xbt_swag_t failed_actions =
418 surf_network_model->states.failed_action_set;
421 xbt_swag_foreach_safe(action, next_action, running_actions) {
423 if (action->latency > 0) {
424 if (action->latency > deltap) {
425 double_update(&(action->latency), deltap);
428 double_update(&(deltap), action->latency);
429 action->latency = 0.0;
431 if ((action->latency == 0.0) && !(action->suspended))
432 lmm_update_variable_weight(network_maxmin_system, action->variable,
437 global_routing->get_route(action->src_name, action->dst_name);
440 xbt_dynar_foreach(route, i, link) {
441 TRACE_surf_link_set_utilization(link,
442 action->generic_action.data,
443 (surf_action_t) action,
444 lmm_variable_getvalue
445 (action->variable), now - delta,
449 if(!lmm_get_number_of_cnst_from_var(network_maxmin_system, action->variable)) {
450 /* There is actually no link used, hence an infinite bandwidth.
451 * This happens often when using models like vivaldi.
452 * In such case, just make sure that the action completes immediately.
454 double_update(&(action->generic_action.remains),
455 action->generic_action.remains);
457 double_update(&(action->generic_action.remains),
458 lmm_variable_getvalue(action->variable) * deltap);
459 if (action->generic_action.max_duration != NO_MAX_DURATION)
460 double_update(&(action->generic_action.max_duration), delta);
462 if ((action->generic_action.remains <= 0) &&
463 (lmm_get_variable_weight(action->variable) > 0)) {
464 action->generic_action.finish = surf_get_clock();
465 surf_network_model->action_state_set((surf_action_t) action,
468 } else if ((action->generic_action.max_duration != NO_MAX_DURATION)
469 && (action->generic_action.max_duration <= 0)) {
470 action->generic_action.finish = surf_get_clock();
471 surf_network_model->action_state_set((surf_action_t) action,
480 static void net_update_resource_state(void *id,
481 tmgr_trace_event_t event_type,
482 double value, double date)
484 link_CM02_t nw_link = id;
485 /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
486 /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
487 /* value, event_type); */
489 if (event_type == nw_link->lmm_resource.power.event) {
491 sg_weight_S_parameter / value - sg_weight_S_parameter /
492 (nw_link->lmm_resource.power.peak *
493 nw_link->lmm_resource.power.scale);
494 lmm_variable_t var = NULL;
495 lmm_element_t elem = NULL;
496 surf_action_network_CM02_t action = NULL;
498 nw_link->lmm_resource.power.peak = value;
499 lmm_update_constraint_bound(network_maxmin_system,
500 nw_link->lmm_resource.constraint,
501 sg_bandwidth_factor *
502 (nw_link->lmm_resource.power.peak *
503 nw_link->lmm_resource.power.scale));
505 TRACE_surf_link_set_bandwidth(date, nw_link,
506 sg_bandwidth_factor *
507 (nw_link->lmm_resource.power.peak *
508 nw_link->lmm_resource.power.scale));
510 if (sg_weight_S_parameter > 0) {
511 while ((var = lmm_get_var_from_cnst
512 (network_maxmin_system, nw_link->lmm_resource.constraint,
514 action = lmm_variable_id(var);
515 action->weight += delta;
516 if (!(action->suspended))
517 lmm_update_variable_weight(network_maxmin_system,
518 action->variable, action->weight);
521 if (tmgr_trace_event_free(event_type))
522 nw_link->lmm_resource.power.event = NULL;
523 } else if (event_type == nw_link->lat_event) {
524 double delta = value - nw_link->lat_current;
525 lmm_variable_t var = NULL;
526 lmm_element_t elem = NULL;
527 surf_action_network_CM02_t action = NULL;
529 nw_link->lat_current = value;
530 while ((var = lmm_get_var_from_cnst
531 (network_maxmin_system, nw_link->lmm_resource.constraint,
533 action = lmm_variable_id(var);
534 action->lat_current += delta;
535 action->weight += delta;
536 if (action->rate < 0)
537 lmm_update_variable_bound(network_maxmin_system, action->variable,
538 sg_tcp_gamma / (2.0 *
539 action->lat_current));
541 lmm_update_variable_bound(network_maxmin_system, action->variable,
543 sg_tcp_gamma / (2.0 *
544 action->lat_current)));
546 if (action->rate < sg_tcp_gamma / (2.0 * action->lat_current)) {
547 INFO0("Flow is limited BYBANDWIDTH");
549 INFO1("Flow is limited BYLATENCY, latency of flow is %f",
550 action->lat_current);
553 if (!(action->suspended))
554 lmm_update_variable_weight(network_maxmin_system, action->variable,
558 if (tmgr_trace_event_free(event_type))
559 nw_link->lat_event = NULL;
560 } else if (event_type == nw_link->lmm_resource.state_event) {
562 nw_link->lmm_resource.state_current = SURF_RESOURCE_ON;
564 lmm_constraint_t cnst = nw_link->lmm_resource.constraint;
565 lmm_variable_t var = NULL;
566 lmm_element_t elem = NULL;
568 nw_link->lmm_resource.state_current = SURF_RESOURCE_OFF;
569 while ((var = lmm_get_var_from_cnst
570 (network_maxmin_system, cnst, &elem))) {
571 surf_action_t action = lmm_variable_id(var);
573 if (surf_action_state_get(action) == SURF_ACTION_RUNNING ||
574 surf_action_state_get(action) == SURF_ACTION_READY) {
575 action->finish = date;
576 surf_network_model->action_state_set(action, SURF_ACTION_FAILED);
580 if (tmgr_trace_event_free(event_type))
581 nw_link->lmm_resource.state_event = NULL;
583 CRITICAL0("Unknown event ! \n");
591 static surf_action_t net_communicate(const char *src_name,
592 const char *dst_name, double size,
598 surf_action_network_CM02_t action = NULL;
599 double bandwidth_bound;
601 /* LARGE PLATFORMS HACK:
602 Add a link_CM02_t *link and a int link_nb to network_card_CM02_t. It will represent local links for this node
603 Use the cluster_id for ->id */
605 xbt_dynar_t back_route = NULL;
606 int constraints_per_variable = 0;
607 // I will need this route for some time so let's call get_route_no_cleanup
608 xbt_dynar_t route = global_routing->get_route_no_cleanup(src_name, dst_name);
611 if (sg_network_fullduplex == 1) {
612 back_route = global_routing->get_route(dst_name, src_name);
615 /* LARGE PLATFORMS HACK:
616 total_route_size = route_size + src->link_nb + dst->nb */
618 XBT_IN4("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
619 /* LARGE PLATFORMS HACK:
620 assert on total_route_size */
621 latency = global_routing->get_latency(src_name,dst_name);
622 xbt_assert2(xbt_dynar_length(route) || latency,
623 "You're trying to send data from %s to %s but there is no connection at all between these two hosts.",
626 xbt_dynar_foreach(route, i, link) {
627 if (link->lmm_resource.state_current == SURF_RESOURCE_OFF) {
633 surf_action_new(sizeof(s_surf_action_network_CM02_t), size,
634 surf_network_model, failed);
635 #ifdef HAVE_LATENCY_BOUND_TRACKING
636 (action->generic_action).latency_limited = 0;
638 action->weight = action->latency = latency;
640 xbt_swag_insert(action, action->generic_action.state_set);
643 bandwidth_bound = -1.0;
645 xbt_dynar_foreach(route, i, link) {
647 sg_weight_S_parameter /
648 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
649 if (bandwidth_bound < 0.0)
651 (*bandwidth_factor_callback) (size) *
652 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
656 (*bandwidth_factor_callback) (size) *
657 (link->lmm_resource.power.peak *
658 link->lmm_resource.power.scale));
660 /* LARGE PLATFORMS HACK:
661 Add src->link and dst->link latencies */
662 action->lat_current = action->latency;
663 action->latency *= (*latency_factor_callback) (size);
665 (*bandwidth_constraint_callback) (action->rate, bandwidth_bound,
668 link = *(link_CM02_t*)xbt_dynar_get_ptr(route, 0);
669 gap_append(size, link, action);
670 DEBUG5("Comm %p: %s -> %s gap=%f (lat=%f)",
671 action, src_name, dst_name, action->sender.gap, action->latency);
674 /* LARGE PLATFORMS HACK:
675 lmm_variable_new(..., total_route_size) */
676 if (back_route != NULL) {
677 constraints_per_variable =
678 xbt_dynar_length(route) + xbt_dynar_length(back_route);
680 constraints_per_variable = xbt_dynar_length(route);
683 if (action->latency > 0)
685 lmm_variable_new(network_maxmin_system, action, 0.0, -1.0,
686 constraints_per_variable);
689 lmm_variable_new(network_maxmin_system, action, 1.0, -1.0,
690 constraints_per_variable);
692 if (action->rate < 0) {
693 if (action->lat_current > 0)
694 lmm_update_variable_bound(network_maxmin_system, action->variable,
695 sg_tcp_gamma / (2.0 *
696 action->lat_current));
698 lmm_update_variable_bound(network_maxmin_system, action->variable,
701 if (action->lat_current > 0)
702 lmm_update_variable_bound(network_maxmin_system, action->variable,
704 sg_tcp_gamma / (2.0 *
705 action->lat_current)));
707 lmm_update_variable_bound(network_maxmin_system, action->variable,
711 xbt_dynar_foreach(route, i, link) {
712 lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
713 action->variable, 1.0);
716 if (sg_network_fullduplex == 1) {
717 DEBUG1("Fullduplex active adding backward flow using 5%c", '%');
718 xbt_dynar_foreach(back_route, i, link) {
719 lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
720 action->variable, .05);
723 /* LARGE PLATFORMS HACK:
724 expand also with src->link and dst->link */
726 action->src_name = xbt_new(char, strlen(src_name) + 1);
727 strncpy(action->src_name, src_name, strlen(src_name) + 1);
729 action->dst_name = xbt_new(char, strlen(dst_name) + 1);
730 strncpy(action->dst_name, dst_name, strlen(dst_name) + 1);
733 xbt_dynar_free(&route);
736 return (surf_action_t) action;
739 static xbt_dynar_t net_get_route(const char *src, const char *dst)
741 return global_routing->get_route(src, dst);
744 static double net_get_link_bandwidth(const void *link)
746 surf_resource_lmm_t lmm = (surf_resource_lmm_t) link;
747 return lmm->power.peak * lmm->power.scale;
750 static double net_get_link_latency(const void *link)
752 return ((link_CM02_t) link)->lat_current;
755 static int net_link_shared(const void *link)
758 lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint);
761 static void net_action_suspend(surf_action_t action)
763 ((surf_action_network_CM02_t) action)->suspended = 1;
764 lmm_update_variable_weight(network_maxmin_system,
765 ((surf_action_network_CM02_t)
766 action)->variable, 0.0);
769 static void net_action_resume(surf_action_t action)
771 if (((surf_action_network_CM02_t) action)->suspended) {
772 lmm_update_variable_weight(network_maxmin_system,
773 ((surf_action_network_CM02_t)
775 ((surf_action_network_CM02_t)
777 ((surf_action_network_CM02_t) action)->suspended = 0;
781 static int net_action_is_suspended(surf_action_t action)
783 return ((surf_action_network_CM02_t) action)->suspended;
786 void net_action_set_max_duration(surf_action_t action, double duration)
788 action->max_duration = duration;
791 static void net_finalize(void)
793 surf_model_exit(surf_network_model);
794 surf_network_model = NULL;
796 global_routing->finalize();
798 lmm_system_free(network_maxmin_system);
799 network_maxmin_system = NULL;
802 static void surf_network_model_init_internal(void)
804 surf_network_model = surf_model_init();
806 surf_network_model->name = "network";
807 surf_network_model->action_unref = net_action_unref;
808 surf_network_model->action_cancel = net_action_cancel;
809 surf_network_model->action_recycle = net_action_recycle;
810 surf_network_model->get_remains = net_action_get_remains;
811 #ifdef HAVE_LATENCY_BOUND_TRACKING
812 surf_network_model->get_latency_limited = net_get_link_latency_limited;
815 surf_network_model->model_private->resource_used = net_resource_used;
816 surf_network_model->model_private->share_resources = net_share_resources;
817 surf_network_model->model_private->update_actions_state =
818 net_update_actions_state;
819 surf_network_model->model_private->update_resource_state =
820 net_update_resource_state;
821 surf_network_model->model_private->finalize = net_finalize;
823 surf_network_model->suspend = net_action_suspend;
824 surf_network_model->resume = net_action_resume;
825 surf_network_model->is_suspended = net_action_is_suspended;
826 surf_network_model->set_max_duration = net_action_set_max_duration;
828 surf_network_model->extension.network.communicate = net_communicate;
829 surf_network_model->extension.network.get_route = net_get_route;
830 surf_network_model->extension.network.get_link_bandwidth =
831 net_get_link_bandwidth;
832 surf_network_model->extension.network.get_link_latency =
833 net_get_link_latency;
834 surf_network_model->extension.network.link_shared = net_link_shared;
835 surf_network_model->extension.network.add_traces = net_add_traces;
836 surf_network_model->extension.network.create_resource =
839 if (!network_maxmin_system)
840 network_maxmin_system = lmm_system_new();
842 routing_model_create(sizeof(link_CM02_t),
843 net_link_new(xbt_strdup("__loopback__"),
844 498000000, NULL, 0.000015, NULL,
845 SURF_RESOURCE_ON, NULL,
846 SURF_LINK_FATPIPE, NULL),
847 net_get_link_latency);
852 /************************************************************************/
853 /* New model based on LV08 and experimental results of MPI ping-pongs */
854 /************************************************************************/
855 void surf_network_model_init_SMPI(const char *filename)
858 if (surf_network_model)
860 surf_network_model_init_internal();
861 latency_factor_callback = &smpi_latency_factor;
862 bandwidth_factor_callback = &smpi_bandwidth_factor;
863 bandwidth_constraint_callback = &smpi_bandwidth_constraint;
864 net_define_callbacks(filename);
865 xbt_dynar_push(model_list, &surf_network_model);
866 network_solve = lmm_solve;
868 xbt_cfg_setdefault_double(_surf_cfg_set, "network/sender_gap", 10e-6);
869 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
871 update_model_description(surf_network_model_description,
872 "SMPI", surf_network_model);
875 /************************************************************************/
876 /* New model based on optimizations discussed during this thesis */
877 /************************************************************************/
878 void surf_network_model_init_LegrandVelho(const char *filename)
881 if (surf_network_model)
883 surf_network_model_init_internal();
884 net_define_callbacks(filename);
885 xbt_dynar_push(model_list, &surf_network_model);
886 network_solve = lmm_solve;
888 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
889 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
891 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
893 update_model_description(surf_network_model_description,
894 "LV08", surf_network_model);
897 /***************************************************************************/
898 /* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
899 /***************************************************************************/
900 /* @TechReport{ rr-lip2002-40, */
901 /* author = {Henri Casanova and Loris Marchal}, */
902 /* institution = {LIP}, */
903 /* title = {A Network Model for Simulation of Grid Application}, */
904 /* number = {2002-40}, */
908 void surf_network_model_init_CM02(const char *filename)
911 if (surf_network_model)
913 surf_network_model_init_internal();
914 net_define_callbacks(filename);
915 xbt_dynar_push(model_list, &surf_network_model);
916 network_solve = lmm_solve;
918 update_model_description(surf_network_model_description,
919 "CM02", surf_network_model);
922 void surf_network_model_init_Reno(const char *filename)
924 if (surf_network_model)
926 surf_network_model_init_internal();
927 net_define_callbacks(filename);
929 xbt_dynar_push(model_list, &surf_network_model);
930 lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
932 network_solve = lagrange_solve;
934 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
935 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
937 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
939 update_model_description(surf_network_model_description,
940 "Reno", surf_network_model);
944 void surf_network_model_init_Reno2(const char *filename)
946 if (surf_network_model)
948 surf_network_model_init_internal();
949 net_define_callbacks(filename);
951 xbt_dynar_push(model_list, &surf_network_model);
952 lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
954 network_solve = lagrange_solve;
956 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
957 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
959 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S_parameter",
962 update_model_description(surf_network_model_description,
963 "Reno2", surf_network_model);
966 void surf_network_model_init_Vegas(const char *filename)
968 if (surf_network_model)
970 surf_network_model_init_internal();
971 net_define_callbacks(filename);
973 xbt_dynar_push(model_list, &surf_network_model);
974 lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
976 network_solve = lagrange_solve;
978 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
979 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
981 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
983 update_model_description(surf_network_model_description,
984 "Vegas", surf_network_model);