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_unknown(surf_action_network_CM02_t action) {
62 action->sender.gap = 0.0;
63 action->sender.link_name = NULL;
64 action->sender.fifo_item = NULL;
65 action->sender.size = 0.0;
68 static void gap_remove(surf_action_network_CM02_t action) {
72 if(sg_sender_gap > 0.0 && action->sender.link_name && action->sender.fifo_item) {
73 fifo = (xbt_fifo_t)xbt_dict_get_or_null(gap_lookup, action->sender.link_name);
74 xbt_fifo_remove_item(fifo, action->sender.fifo_item);
75 size = xbt_fifo_size(fifo);
78 xbt_dict_remove(gap_lookup, action->sender.link_name);
79 size = xbt_dict_size(gap_lookup);
81 xbt_dict_free(&gap_lookup);
87 /******************************************************************************/
88 /* Factors callbacks */
89 /******************************************************************************/
90 static double constant_latency_factor(double size)
92 return sg_latency_factor;
95 static double constant_bandwidth_factor(double size)
97 return sg_bandwidth_factor;
100 static double constant_bandwidth_constraint(double rate, double bound,
106 /**********************/
108 /**********************/
109 static double smpi_latency_factor(double size)
111 /* 1 B <= size <= 1 KiB */
112 if (size <= 1024.0) {
116 /* 2 KiB <= size <= 32 KiB */
117 if (size <= 32768.0) {
121 /* 64 KiB <= size <= 4 MiB */
125 static double smpi_bandwidth_factor(double size)
127 /* 1 B <= size <= 1 KiB */
128 if (size <= 1024.0) {
132 /* 2 KiB <= size <= 32 KiB */
133 if (size <= 32768.0) {
137 /* 64 KiB <= size <= 4 MiB */
141 static double smpi_bandwidth_constraint(double rate, double bound,
144 return rate < 0 ? bound : min(bound, rate * smpi_bandwidth_factor(size));
148 static double (*latency_factor_callback) (double) =
149 &constant_latency_factor;
150 static double (*bandwidth_factor_callback) (double) =
151 &constant_bandwidth_factor;
152 static double (*bandwidth_constraint_callback) (double, double, double) =
153 &constant_bandwidth_constraint;
156 static link_CM02_t net_link_new(char *name,
158 tmgr_trace_t bw_trace,
160 tmgr_trace_t lat_trace,
161 e_surf_resource_state_t
163 tmgr_trace_t state_trace,
164 e_surf_link_sharing_policy_t
165 policy, xbt_dict_t properties)
167 link_CM02_t nw_link = (link_CM02_t)
168 surf_resource_lmm_new(sizeof(s_link_CM02_t),
169 surf_network_model, name, properties,
170 network_maxmin_system,
171 sg_bandwidth_factor * bw_initial,
173 state_initial, state_trace,
174 bw_initial, bw_trace);
176 xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
177 "Link '%s' declared several times in the platform file.",
180 nw_link->lat_current = lat_initial;
183 tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
185 if (policy == SURF_LINK_FATPIPE)
186 lmm_constraint_shared(nw_link->lmm_resource.constraint);
188 xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
193 static void net_parse_link_init(void)
197 tmgr_trace_t bw_trace;
199 tmgr_trace_t lat_trace;
200 e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
201 e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
202 tmgr_trace_t state_trace;
203 XBT_DEBUG("link_CM02");
204 name_link = xbt_strdup(A_surfxml_link_id);
205 surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
206 bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
207 surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
208 lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
210 xbt_assert((A_surfxml_link_state == A_surfxml_link_state_ON)
211 || (A_surfxml_link_state ==
212 A_surfxml_link_state_OFF), "Invalid state");
213 if (A_surfxml_link_state == A_surfxml_link_state_ON)
214 state_initial_link = SURF_RESOURCE_ON;
215 else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
216 state_initial_link = SURF_RESOURCE_OFF;
218 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
219 policy_initial_link = SURF_LINK_SHARED;
222 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FATPIPE)
223 policy_initial_link = SURF_LINK_FATPIPE;
224 else if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX)
225 policy_initial_link = SURF_LINK_FULLDUPLEX;
228 state_trace = tmgr_trace_new(A_surfxml_link_state_file);
230 if(policy_initial_link == SURF_LINK_FULLDUPLEX)
232 net_link_new(bprintf("%s_UP",name_link), bw_initial, bw_trace,
233 lat_initial, lat_trace, state_initial_link, state_trace,
234 policy_initial_link, xbt_dict_new());
235 net_link_new(bprintf("%s_DOWN",name_link), bw_initial, bw_trace,
236 lat_initial, lat_trace, state_initial_link, state_trace,
237 policy_initial_link, xbt_dict_new());
241 net_link_new(name_link, bw_initial, bw_trace,
242 lat_initial, lat_trace, state_initial_link, state_trace,
243 policy_initial_link, xbt_dict_new());
248 static void net_create_resource(char *name,
250 tmgr_trace_t bw_trace,
252 tmgr_trace_t lat_trace,
253 e_surf_resource_state_t
255 tmgr_trace_t state_trace,
256 e_surf_link_sharing_policy_t policy,
257 xbt_dict_t properties)
259 net_link_new(name, bw_initial, bw_trace,
260 lat_initial, lat_trace, state_initial, state_trace,
261 policy, xbt_dict_new());
264 static void net_add_traces(void)
266 xbt_dict_cursor_t cursor = NULL;
267 char *trace_name, *elm;
269 static int called = 0;
274 /* connect all traces relative to network */
275 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
276 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
278 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
280 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
283 "Cannot connect trace %s to link %s: trace undefined",
286 link->lmm_resource.state_event =
287 tmgr_history_add_trace(history, trace, 0.0, 0, link);
290 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
291 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
293 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
295 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
298 "Cannot connect trace %s to link %s: trace undefined",
301 link->lmm_resource.power.event =
302 tmgr_history_add_trace(history, trace, 0.0, 0, link);
305 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
306 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
308 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
310 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
313 "Cannot connect trace %s to link %s: trace undefined",
316 link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
320 static void net_define_callbacks(const char *file)
322 /* Figuring out the network links */
323 surfxml_add_callback(STag_surfxml_link_cb_list, &net_parse_link_init);
324 surfxml_add_callback(ETag_surfxml_platform_cb_list, &net_add_traces);
327 static int net_resource_used(void *resource_id)
329 return lmm_constraint_used(network_maxmin_system,
330 ((surf_resource_lmm_t)
331 resource_id)->constraint);
334 static int net_action_unref(surf_action_t action)
337 if (!action->refcount) {
338 xbt_swag_remove(action, action->state_set);
339 if (((surf_action_network_CM02_t) action)->variable)
340 lmm_variable_free(network_maxmin_system,
341 ((surf_action_network_CM02_t) action)->variable);
343 xbt_free(((surf_action_network_CM02_t) action)->src_name);
344 xbt_free(((surf_action_network_CM02_t) action)->dst_name);
345 if (action->category)
346 xbt_free(action->category);
348 surf_action_free(&action);
354 static void net_action_cancel(surf_action_t action)
356 surf_network_model->action_state_set(action, SURF_ACTION_FAILED);
359 void net_action_recycle(surf_action_t action)
364 #ifdef HAVE_LATENCY_BOUND_TRACKING
365 int net_get_link_latency_limited(surf_action_t action)
367 return action->latency_limited;
371 double net_action_get_remains(surf_action_t action)
373 return action->remains;
376 static double net_share_resources(double now)
378 s_surf_action_network_CM02_t s_action;
379 surf_action_network_CM02_t action = NULL;
380 xbt_swag_t running_actions =
381 surf_network_model->states.running_action_set;
384 min = generic_maxmin_share_resources(running_actions,
385 xbt_swag_offset(s_action,
387 network_maxmin_system,
390 #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) )))
392 xbt_swag_foreach(action, running_actions) {
393 #ifdef HAVE_LATENCY_BOUND_TRACKING
394 if (lmm_is_variable_limited_by_latency(action->variable)) {
395 (action->generic_action).latency_limited = 1;
397 (action->generic_action).latency_limited = 0;
400 if (action->latency > 0) {
402 min = action->latency;
403 else if (action->latency < min)
404 min = action->latency;
408 XBT_DEBUG("Min of share resources %f", min);
413 static void net_update_actions_state(double now, double delta)
416 surf_action_network_CM02_t action = NULL;
417 surf_action_network_CM02_t next_action = NULL;
418 xbt_swag_t running_actions =
419 surf_network_model->states.running_action_set;
421 xbt_swag_t failed_actions =
422 surf_network_model->states.failed_action_set;
425 xbt_swag_foreach_safe(action, next_action, running_actions) {
427 if (action->latency > 0) {
428 if (action->latency > deltap) {
429 double_update(&(action->latency), deltap);
432 double_update(&(deltap), action->latency);
433 action->latency = 0.0;
435 if ((action->latency == 0.0) && !(action->suspended))
436 lmm_update_variable_weight(network_maxmin_system, action->variable,
441 global_routing->get_route(action->src_name, action->dst_name);
444 xbt_dynar_foreach(route, i, link) {
445 TRACE_surf_link_set_utilization(link->lmm_resource.generic_resource.name,
446 action->generic_action.data,
447 (surf_action_t) action,
448 lmm_variable_getvalue
449 (action->variable), now - delta,
453 if(!lmm_get_number_of_cnst_from_var(network_maxmin_system, action->variable)) {
454 /* There is actually no link used, hence an infinite bandwidth.
455 * This happens often when using models like vivaldi.
456 * In such case, just make sure that the action completes immediately.
458 double_update(&(action->generic_action.remains),
459 action->generic_action.remains);
461 double_update(&(action->generic_action.remains),
462 lmm_variable_getvalue(action->variable) * deltap);
463 if (action->generic_action.max_duration != NO_MAX_DURATION)
464 double_update(&(action->generic_action.max_duration), delta);
466 if ((action->generic_action.remains <= 0) &&
467 (lmm_get_variable_weight(action->variable) > 0)) {
468 action->generic_action.finish = surf_get_clock();
469 surf_network_model->action_state_set((surf_action_t) action,
472 } else if ((action->generic_action.max_duration != NO_MAX_DURATION)
473 && (action->generic_action.max_duration <= 0)) {
474 action->generic_action.finish = surf_get_clock();
475 surf_network_model->action_state_set((surf_action_t) action,
484 static void net_update_resource_state(void *id,
485 tmgr_trace_event_t event_type,
486 double value, double date)
488 link_CM02_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_t action = NULL;
502 nw_link->lmm_resource.power.peak = value;
503 lmm_update_constraint_bound(network_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, 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_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_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_t action = NULL;
533 nw_link->lat_current = value;
534 while ((var = lmm_get_var_from_cnst
535 (network_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_maxmin_system, action->variable,
542 sg_tcp_gamma / (2.0 *
543 action->lat_current));
545 lmm_update_variable_bound(network_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_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_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");
595 static surf_action_t net_communicate(const char *src_name,
596 const char *dst_name, double size,
602 surf_action_network_CM02_t action = NULL;
603 double bandwidth_bound;
605 /* LARGE PLATFORMS HACK:
606 Add a link_CM02_t *link and a int link_nb to network_card_CM02_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 will need this route for some time so let's call get_route_no_cleanup
612 xbt_dynar_t route = global_routing->get_route_no_cleanup(src_name, dst_name);
615 if (sg_network_fullduplex == 1) {
616 back_route = global_routing->get_route(dst_name, src_name);
619 /* LARGE PLATFORMS HACK:
620 total_route_size = route_size + src->link_nb + dst->nb */
622 XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
623 /* LARGE PLATFORMS HACK:
624 assert on total_route_size */
625 latency = global_routing->get_latency(src_name,dst_name);
626 xbt_assert(xbt_dynar_length(route) || latency,
627 "You're trying to send data from %s to %s but there is no connection at all 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_t), size,
638 surf_network_model, failed);
639 #ifdef HAVE_LATENCY_BOUND_TRACKING
640 (action->generic_action).latency_limited = 0;
642 action->weight = action->latency = latency;
644 xbt_swag_insert(action, action->generic_action.state_set);
647 bandwidth_bound = -1.0;
649 xbt_dynar_foreach(route, i, link) {
651 sg_weight_S_parameter /
652 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
653 if (bandwidth_bound < 0.0)
655 (*bandwidth_factor_callback) (size) *
656 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
660 (*bandwidth_factor_callback) (size) *
661 (link->lmm_resource.power.peak *
662 link->lmm_resource.power.scale));
664 /* LARGE PLATFORMS HACK:
665 Add src->link and dst->link latencies */
666 action->lat_current = action->latency;
667 action->latency *= (*latency_factor_callback) (size);
669 (*bandwidth_constraint_callback) (action->rate, bandwidth_bound,
672 if(xbt_dynar_length(route) > 0) {
673 link = *(link_CM02_t*)xbt_dynar_get_ptr(route, 0);
674 gap_append(size, link, action);
675 XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)",
676 action, src_name, dst_name, action->sender.gap, action->latency);
682 /* LARGE PLATFORMS HACK:
683 lmm_variable_new(..., total_route_size) */
684 if (back_route != NULL) {
685 constraints_per_variable =
686 xbt_dynar_length(route) + xbt_dynar_length(back_route);
688 constraints_per_variable = xbt_dynar_length(route);
691 if (action->latency > 0)
693 lmm_variable_new(network_maxmin_system, action, 0.0, -1.0,
694 constraints_per_variable);
697 lmm_variable_new(network_maxmin_system, action, 1.0, -1.0,
698 constraints_per_variable);
700 if (action->rate < 0) {
701 if (action->lat_current > 0)
702 lmm_update_variable_bound(network_maxmin_system, action->variable,
703 sg_tcp_gamma / (2.0 *
704 action->lat_current));
706 lmm_update_variable_bound(network_maxmin_system, action->variable,
709 if (action->lat_current > 0)
710 lmm_update_variable_bound(network_maxmin_system, action->variable,
712 sg_tcp_gamma / (2.0 *
713 action->lat_current)));
715 lmm_update_variable_bound(network_maxmin_system, action->variable,
719 xbt_dynar_foreach(route, i, link) {
720 lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
721 action->variable, 1.0);
724 if (sg_network_fullduplex == 1) {
725 XBT_DEBUG("Fullduplex active adding backward flow using 5%c", '%');
726 xbt_dynar_foreach(back_route, i, link) {
727 lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
728 action->variable, .05);
731 /* LARGE PLATFORMS HACK:
732 expand also with src->link and dst->link */
734 action->src_name = xbt_strdup(src_name);
736 action->dst_name = xbt_strdup(dst_name);
739 xbt_dynar_free(&route);
742 return (surf_action_t) action;
745 static xbt_dynar_t net_get_route(const char *src, const char *dst)
747 return global_routing->get_route(src, dst);
750 static double net_get_link_bandwidth(const void *link)
752 surf_resource_lmm_t lmm = (surf_resource_lmm_t) link;
753 return lmm->power.peak * lmm->power.scale;
756 static double net_get_link_latency(const void *link)
758 return ((link_CM02_t) link)->lat_current;
761 static int net_link_shared(const void *link)
764 lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint);
767 static void net_action_suspend(surf_action_t action)
769 ((surf_action_network_CM02_t) action)->suspended = 1;
770 lmm_update_variable_weight(network_maxmin_system,
771 ((surf_action_network_CM02_t)
772 action)->variable, 0.0);
775 static void net_action_resume(surf_action_t action)
777 if (((surf_action_network_CM02_t) action)->suspended) {
778 lmm_update_variable_weight(network_maxmin_system,
779 ((surf_action_network_CM02_t)
781 ((surf_action_network_CM02_t)
783 ((surf_action_network_CM02_t) action)->suspended = 0;
787 static int net_action_is_suspended(surf_action_t action)
789 return ((surf_action_network_CM02_t) action)->suspended;
792 void net_action_set_max_duration(surf_action_t action, double duration)
794 action->max_duration = duration;
798 static void net_action_set_category(surf_action_t action, const char *category)
800 action->category = xbt_strdup (category);
804 static void net_finalize(void)
806 surf_model_exit(surf_network_model);
807 surf_network_model = NULL;
809 global_routing->finalize();
811 lmm_system_free(network_maxmin_system);
812 network_maxmin_system = NULL;
815 static void surf_network_model_init_internal(void)
817 surf_network_model = surf_model_init();
819 surf_network_model->name = "network";
820 surf_network_model->action_unref = net_action_unref;
821 surf_network_model->action_cancel = net_action_cancel;
822 surf_network_model->action_recycle = net_action_recycle;
823 surf_network_model->get_remains = net_action_get_remains;
824 #ifdef HAVE_LATENCY_BOUND_TRACKING
825 surf_network_model->get_latency_limited = net_get_link_latency_limited;
828 surf_network_model->model_private->resource_used = net_resource_used;
829 surf_network_model->model_private->share_resources = net_share_resources;
830 surf_network_model->model_private->update_actions_state =
831 net_update_actions_state;
832 surf_network_model->model_private->update_resource_state =
833 net_update_resource_state;
834 surf_network_model->model_private->finalize = net_finalize;
836 surf_network_model->suspend = net_action_suspend;
837 surf_network_model->resume = net_action_resume;
838 surf_network_model->is_suspended = net_action_is_suspended;
839 surf_network_model->set_max_duration = net_action_set_max_duration;
841 surf_network_model->set_category = net_action_set_category;
844 surf_network_model->extension.network.communicate = net_communicate;
845 surf_network_model->extension.network.get_route = net_get_route;
846 surf_network_model->extension.network.get_link_bandwidth =
847 net_get_link_bandwidth;
848 surf_network_model->extension.network.get_link_latency =
849 net_get_link_latency;
850 surf_network_model->extension.network.link_shared = net_link_shared;
851 surf_network_model->extension.network.add_traces = net_add_traces;
852 surf_network_model->extension.network.create_resource =
855 if (!network_maxmin_system)
856 network_maxmin_system = lmm_system_new();
858 routing_model_create(sizeof(link_CM02_t),
859 net_link_new(xbt_strdup("__loopback__"),
860 498000000, NULL, 0.000015, NULL,
861 SURF_RESOURCE_ON, NULL,
862 SURF_LINK_FATPIPE, NULL),
863 net_get_link_latency);
868 /************************************************************************/
869 /* New model based on LV08 and experimental results of MPI ping-pongs */
870 /************************************************************************/
871 void surf_network_model_init_SMPI(const char *filename)
874 if (surf_network_model)
876 surf_network_model_init_internal();
877 latency_factor_callback = &smpi_latency_factor;
878 bandwidth_factor_callback = &smpi_bandwidth_factor;
879 bandwidth_constraint_callback = &smpi_bandwidth_constraint;
880 net_define_callbacks(filename);
881 xbt_dynar_push(model_list, &surf_network_model);
882 network_solve = lmm_solve;
884 xbt_cfg_setdefault_double(_surf_cfg_set, "network/sender_gap", 10e-6);
885 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
887 update_model_description(surf_network_model_description,
888 "SMPI", surf_network_model);
891 /************************************************************************/
892 /* New model based on optimizations discussed during this thesis */
893 /************************************************************************/
894 void surf_network_model_init_LegrandVelho(const char *filename)
897 if (surf_network_model)
899 surf_network_model_init_internal();
900 net_define_callbacks(filename);
901 xbt_dynar_push(model_list, &surf_network_model);
902 network_solve = lmm_solve;
904 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
905 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
907 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
909 update_model_description(surf_network_model_description,
910 "LV08", surf_network_model);
913 /***************************************************************************/
914 /* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
915 /***************************************************************************/
916 /* @TechReport{ rr-lip2002-40, */
917 /* author = {Henri Casanova and Loris Marchal}, */
918 /* institution = {LIP}, */
919 /* title = {A Network Model for Simulation of Grid Application}, */
920 /* number = {2002-40}, */
924 void surf_network_model_init_CM02(const char *filename)
927 if (surf_network_model)
929 surf_network_model_init_internal();
930 net_define_callbacks(filename);
931 xbt_dynar_push(model_list, &surf_network_model);
932 network_solve = lmm_solve;
934 update_model_description(surf_network_model_description,
935 "CM02", surf_network_model);
938 void surf_network_model_init_Reno(const char *filename)
940 if (surf_network_model)
942 surf_network_model_init_internal();
943 net_define_callbacks(filename);
945 xbt_dynar_push(model_list, &surf_network_model);
946 lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
948 network_solve = lagrange_solve;
950 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
951 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
953 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
955 update_model_description(surf_network_model_description,
956 "Reno", surf_network_model);
960 void surf_network_model_init_Reno2(const char *filename)
962 if (surf_network_model)
964 surf_network_model_init_internal();
965 net_define_callbacks(filename);
967 xbt_dynar_push(model_list, &surf_network_model);
968 lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
970 network_solve = lagrange_solve;
972 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
973 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
975 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S_parameter",
978 update_model_description(surf_network_model_description,
979 "Reno2", surf_network_model);
982 void surf_network_model_init_Vegas(const char *filename)
984 if (surf_network_model)
986 surf_network_model_init_internal();
987 net_define_callbacks(filename);
989 xbt_dynar_push(model_list, &surf_network_model);
990 lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
992 network_solve = lagrange_solve;
994 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
995 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
997 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
999 update_model_description(surf_network_model_description,
1000 "Vegas", surf_network_model);