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,
107 *------------------ <copy/paste C code snippet in surf/network.c> ----------------------
109 * produced by: ./calibrate_piecewise2.py griffon_skampi_pt2pt.ski.dat 2 2.4e-5 1.25e8 1024 65536
111 *---------------------------------------------------------------------------------------
113 static double smpi_bandwidth_factor(double size)
115 /* case 1 Bytes <= size <=1024 Bytes */
116 if (1 <= size && size <= 1024) {
119 /* case 1536 Bytes <= size <=65536 Bytes */
120 if (1536 <= size && size <= 65536) {
123 /* case 66560 Bytes <= size <=8388608 Bytes */
124 if (66560 <= size && size <= 8388608) {
129 static double smpi_latency_factor(double size)
131 /* case 1 Bytes <= size <=1024 Bytes */
132 if (1 <= size && size <= 1024) {
135 /* case 1536 Bytes <= size <=65536 Bytes */
136 if (1536 <= size && size <= 65536) {
139 /* case 66560 Bytes <= size <=8388608 Bytes */
140 if (66560 <= size && size <= 8388608) {
146 *------------------ </copy/paste C code snippet in surf/network.c> ---------------------
150 static double smpi_bandwidth_constraint(double rate, double bound,
153 return rate < 0 ? bound : min(bound, rate * smpi_bandwidth_factor(size));
157 static double (*latency_factor_callback) (double) =
158 &constant_latency_factor;
159 static double (*bandwidth_factor_callback) (double) =
160 &constant_bandwidth_factor;
161 static double (*bandwidth_constraint_callback) (double, double, double) =
162 &constant_bandwidth_constraint;
165 static link_CM02_t net_link_new(char *name,
167 tmgr_trace_t bw_trace,
169 tmgr_trace_t lat_trace,
170 e_surf_resource_state_t
172 tmgr_trace_t state_trace,
173 e_surf_link_sharing_policy_t
174 policy, xbt_dict_t properties)
176 link_CM02_t nw_link = (link_CM02_t)
177 surf_resource_lmm_new(sizeof(s_link_CM02_t),
178 surf_network_model, name, properties,
179 network_maxmin_system,
180 sg_bandwidth_factor * bw_initial,
182 state_initial, state_trace,
183 bw_initial, bw_trace);
185 xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
186 "Link '%s' declared several times in the platform file.",
189 nw_link->lat_current = lat_initial;
192 tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
194 if (policy == SURF_LINK_FATPIPE)
195 lmm_constraint_shared(nw_link->lmm_resource.constraint);
197 xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
202 static void net_parse_link_init(void)
206 tmgr_trace_t bw_trace;
208 tmgr_trace_t lat_trace;
209 e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
210 e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
211 tmgr_trace_t state_trace;
212 XBT_DEBUG("link_CM02");
213 name_link = xbt_strdup(A_surfxml_link_id);
214 surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
215 bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
216 surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
217 lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
219 xbt_assert((A_surfxml_link_state == A_surfxml_link_state_ON)
220 || (A_surfxml_link_state ==
221 A_surfxml_link_state_OFF), "Invalid state");
222 if (A_surfxml_link_state == A_surfxml_link_state_ON)
223 state_initial_link = SURF_RESOURCE_ON;
224 else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
225 state_initial_link = SURF_RESOURCE_OFF;
227 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
228 policy_initial_link = SURF_LINK_SHARED;
231 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FATPIPE)
232 policy_initial_link = SURF_LINK_FATPIPE;
233 else if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX)
234 policy_initial_link = SURF_LINK_FULLDUPLEX;
237 state_trace = tmgr_trace_new(A_surfxml_link_state_file);
239 if(policy_initial_link == SURF_LINK_FULLDUPLEX)
241 net_link_new(bprintf("%s_UP",name_link), bw_initial, bw_trace,
242 lat_initial, lat_trace, state_initial_link, state_trace,
243 policy_initial_link, xbt_dict_new());
244 net_link_new(bprintf("%s_DOWN",name_link), bw_initial, bw_trace,
245 lat_initial, lat_trace, state_initial_link, state_trace,
246 policy_initial_link, xbt_dict_new());
250 net_link_new(name_link, bw_initial, bw_trace,
251 lat_initial, lat_trace, state_initial_link, state_trace,
252 policy_initial_link, xbt_dict_new());
257 static void net_create_resource(char *name,
259 tmgr_trace_t bw_trace,
261 tmgr_trace_t lat_trace,
262 e_surf_resource_state_t
264 tmgr_trace_t state_trace,
265 e_surf_link_sharing_policy_t policy,
266 xbt_dict_t properties)
268 net_link_new(name, bw_initial, bw_trace,
269 lat_initial, lat_trace, state_initial, state_trace,
270 policy, xbt_dict_new());
273 static void net_add_traces(void)
275 xbt_dict_cursor_t cursor = NULL;
276 char *trace_name, *elm;
278 static int called = 0;
283 /* connect all traces relative to network */
284 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
285 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
287 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
289 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
292 "Cannot connect trace %s to link %s: trace undefined",
295 link->lmm_resource.state_event =
296 tmgr_history_add_trace(history, trace, 0.0, 0, link);
299 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
300 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
302 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
304 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
307 "Cannot connect trace %s to link %s: trace undefined",
310 link->lmm_resource.power.event =
311 tmgr_history_add_trace(history, trace, 0.0, 0, link);
314 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
315 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
317 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
319 xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
322 "Cannot connect trace %s to link %s: trace undefined",
325 link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
329 static void net_define_callbacks(const char *file)
331 /* Figuring out the network links */
332 surfxml_add_callback(STag_surfxml_link_cb_list, &net_parse_link_init);
333 surfxml_add_callback(ETag_surfxml_platform_cb_list, &net_add_traces);
336 static int net_resource_used(void *resource_id)
338 return lmm_constraint_used(network_maxmin_system,
339 ((surf_resource_lmm_t)
340 resource_id)->constraint);
343 static int net_action_unref(surf_action_t action)
346 if (!action->refcount) {
347 xbt_swag_remove(action, action->state_set);
348 if (((surf_action_network_CM02_t) action)->variable)
349 lmm_variable_free(network_maxmin_system,
350 ((surf_action_network_CM02_t) action)->variable);
352 xbt_free(((surf_action_network_CM02_t) action)->src_name);
353 xbt_free(((surf_action_network_CM02_t) action)->dst_name);
354 if (action->category)
355 xbt_free(action->category);
357 surf_action_free(&action);
363 static void net_action_cancel(surf_action_t action)
365 surf_network_model->action_state_set(action, SURF_ACTION_FAILED);
368 void net_action_recycle(surf_action_t action)
373 #ifdef HAVE_LATENCY_BOUND_TRACKING
374 int net_get_link_latency_limited(surf_action_t action)
376 return action->latency_limited;
380 double net_action_get_remains(surf_action_t action)
382 return action->remains;
385 static double net_share_resources(double now)
387 s_surf_action_network_CM02_t s_action;
388 surf_action_network_CM02_t action = NULL;
389 xbt_swag_t running_actions =
390 surf_network_model->states.running_action_set;
393 min = generic_maxmin_share_resources(running_actions,
394 xbt_swag_offset(s_action,
396 network_maxmin_system,
399 #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) )))
401 xbt_swag_foreach(action, running_actions) {
402 #ifdef HAVE_LATENCY_BOUND_TRACKING
403 if (lmm_is_variable_limited_by_latency(action->variable)) {
404 (action->generic_action).latency_limited = 1;
406 (action->generic_action).latency_limited = 0;
409 if (action->latency > 0) {
411 min = action->latency;
412 else if (action->latency < min)
413 min = action->latency;
417 XBT_DEBUG("Min of share resources %f", min);
422 static void net_update_actions_state(double now, double delta)
425 surf_action_network_CM02_t action = NULL;
426 surf_action_network_CM02_t next_action = NULL;
427 xbt_swag_t running_actions =
428 surf_network_model->states.running_action_set;
430 xbt_swag_t failed_actions =
431 surf_network_model->states.failed_action_set;
434 xbt_swag_foreach_safe(action, next_action, running_actions) {
436 if (action->latency > 0) {
437 if (action->latency > deltap) {
438 double_update(&(action->latency), deltap);
441 double_update(&(deltap), action->latency);
442 action->latency = 0.0;
444 if ((action->latency == 0.0) && !(action->suspended))
445 lmm_update_variable_weight(network_maxmin_system, action->variable,
449 if (TRACE_is_enabled()) {
450 xbt_dynar_t route = global_routing->get_route(action->src_name,
454 xbt_dynar_foreach(route, i, link) {
455 TRACE_surf_link_set_utilization(link->lmm_resource.generic_resource.name,
456 action->generic_action.data,
457 (surf_action_t) action,
458 lmm_variable_getvalue
459 (action->variable), now - delta,
464 if(!lmm_get_number_of_cnst_from_var(network_maxmin_system, action->variable)) {
465 /* There is actually no link used, hence an infinite bandwidth.
466 * This happens often when using models like vivaldi.
467 * In such case, just make sure that the action completes immediately.
469 double_update(&(action->generic_action.remains),
470 action->generic_action.remains);
472 double_update(&(action->generic_action.remains),
473 lmm_variable_getvalue(action->variable) * deltap);
474 if (action->generic_action.max_duration != NO_MAX_DURATION)
475 double_update(&(action->generic_action.max_duration), delta);
477 if ((action->generic_action.remains <= 0) &&
478 (lmm_get_variable_weight(action->variable) > 0)) {
479 action->generic_action.finish = surf_get_clock();
480 surf_network_model->action_state_set((surf_action_t) action,
483 } else if ((action->generic_action.max_duration != NO_MAX_DURATION)
484 && (action->generic_action.max_duration <= 0)) {
485 action->generic_action.finish = surf_get_clock();
486 surf_network_model->action_state_set((surf_action_t) action,
495 static void net_update_resource_state(void *id,
496 tmgr_trace_event_t event_type,
497 double value, double date)
499 link_CM02_t nw_link = id;
500 /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
501 /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
502 /* value, event_type); */
504 if (event_type == nw_link->lmm_resource.power.event) {
506 sg_weight_S_parameter / value - sg_weight_S_parameter /
507 (nw_link->lmm_resource.power.peak *
508 nw_link->lmm_resource.power.scale);
509 lmm_variable_t var = NULL;
510 lmm_element_t elem = NULL;
511 surf_action_network_CM02_t action = NULL;
513 nw_link->lmm_resource.power.peak = value;
514 lmm_update_constraint_bound(network_maxmin_system,
515 nw_link->lmm_resource.constraint,
516 sg_bandwidth_factor *
517 (nw_link->lmm_resource.power.peak *
518 nw_link->lmm_resource.power.scale));
520 TRACE_surf_link_set_bandwidth(date, nw_link->lmm_resource.generic_resource.name,
521 sg_bandwidth_factor *
522 (nw_link->lmm_resource.power.peak *
523 nw_link->lmm_resource.power.scale));
525 if (sg_weight_S_parameter > 0) {
526 while ((var = lmm_get_var_from_cnst
527 (network_maxmin_system, nw_link->lmm_resource.constraint,
529 action = lmm_variable_id(var);
530 action->weight += delta;
531 if (!(action->suspended))
532 lmm_update_variable_weight(network_maxmin_system,
533 action->variable, action->weight);
536 if (tmgr_trace_event_free(event_type))
537 nw_link->lmm_resource.power.event = NULL;
538 } else if (event_type == nw_link->lat_event) {
539 double delta = value - nw_link->lat_current;
540 lmm_variable_t var = NULL;
541 lmm_element_t elem = NULL;
542 surf_action_network_CM02_t action = NULL;
544 nw_link->lat_current = value;
545 while ((var = lmm_get_var_from_cnst
546 (network_maxmin_system, nw_link->lmm_resource.constraint,
548 action = lmm_variable_id(var);
549 action->lat_current += delta;
550 action->weight += delta;
551 if (action->rate < 0)
552 lmm_update_variable_bound(network_maxmin_system, action->variable,
553 sg_tcp_gamma / (2.0 *
554 action->lat_current));
556 lmm_update_variable_bound(network_maxmin_system, action->variable,
558 sg_tcp_gamma / (2.0 *
559 action->lat_current)));
561 if (action->rate < sg_tcp_gamma / (2.0 * action->lat_current)) {
562 XBT_INFO("Flow is limited BYBANDWIDTH");
564 XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f",
565 action->lat_current);
568 if (!(action->suspended))
569 lmm_update_variable_weight(network_maxmin_system, action->variable,
573 if (tmgr_trace_event_free(event_type))
574 nw_link->lat_event = NULL;
575 } else if (event_type == nw_link->lmm_resource.state_event) {
577 nw_link->lmm_resource.state_current = SURF_RESOURCE_ON;
579 lmm_constraint_t cnst = nw_link->lmm_resource.constraint;
580 lmm_variable_t var = NULL;
581 lmm_element_t elem = NULL;
583 nw_link->lmm_resource.state_current = SURF_RESOURCE_OFF;
584 while ((var = lmm_get_var_from_cnst
585 (network_maxmin_system, cnst, &elem))) {
586 surf_action_t action = lmm_variable_id(var);
588 if (surf_action_state_get(action) == SURF_ACTION_RUNNING ||
589 surf_action_state_get(action) == SURF_ACTION_READY) {
590 action->finish = date;
591 surf_network_model->action_state_set(action, SURF_ACTION_FAILED);
595 if (tmgr_trace_event_free(event_type))
596 nw_link->lmm_resource.state_event = NULL;
598 XBT_CRITICAL("Unknown event ! \n");
606 static surf_action_t net_communicate(const char *src_name,
607 const char *dst_name, double size,
613 surf_action_network_CM02_t action = NULL;
614 double bandwidth_bound;
616 /* LARGE PLATFORMS HACK:
617 Add a link_CM02_t *link and a int link_nb to network_card_CM02_t. It will represent local links for this node
618 Use the cluster_id for ->id */
620 xbt_dynar_t back_route = NULL;
621 int constraints_per_variable = 0;
623 // I will need this route for some time so require for no cleanup
624 global_routing->get_route_latency(src_name, dst_name, &route, &latency, 0);
626 if (sg_network_fullduplex == 1) {
627 back_route = global_routing->get_route(dst_name, src_name);
630 /* LARGE PLATFORMS HACK:
631 total_route_size = route_size + src->link_nb + dst->nb */
633 XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
634 /* LARGE PLATFORMS HACK:
635 assert on total_route_size */
636 xbt_assert(xbt_dynar_length(route) || latency,
637 "You're trying to send data from %s to %s but there is no connection at all between these two hosts.",
640 xbt_dynar_foreach(route, i, link) {
641 if (link->lmm_resource.state_current == SURF_RESOURCE_OFF) {
647 surf_action_new(sizeof(s_surf_action_network_CM02_t), size,
648 surf_network_model, failed);
649 #ifdef HAVE_LATENCY_BOUND_TRACKING
650 (action->generic_action).latency_limited = 0;
652 action->weight = action->latency = latency;
654 xbt_swag_insert(action, action->generic_action.state_set);
657 bandwidth_bound = -1.0;
659 xbt_dynar_foreach(route, i, link) {
661 sg_weight_S_parameter /
662 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
663 if (bandwidth_bound < 0.0)
665 (*bandwidth_factor_callback) (size) *
666 (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
670 (*bandwidth_factor_callback) (size) *
671 (link->lmm_resource.power.peak *
672 link->lmm_resource.power.scale));
674 /* LARGE PLATFORMS HACK:
675 Add src->link and dst->link latencies */
676 action->lat_current = action->latency;
677 action->latency *= (*latency_factor_callback) (size);
679 (*bandwidth_constraint_callback) (action->rate, bandwidth_bound,
682 if(xbt_dynar_length(route) > 0) {
683 link = *(link_CM02_t*)xbt_dynar_get_ptr(route, 0);
684 gap_append(size, link, action);
685 XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)",
686 action, src_name, dst_name, action->sender.gap, action->latency);
692 /* LARGE PLATFORMS HACK:
693 lmm_variable_new(..., total_route_size) */
694 if (back_route != NULL) {
695 constraints_per_variable =
696 xbt_dynar_length(route) + xbt_dynar_length(back_route);
698 constraints_per_variable = xbt_dynar_length(route);
701 if (action->latency > 0)
703 lmm_variable_new(network_maxmin_system, action, 0.0, -1.0,
704 constraints_per_variable);
707 lmm_variable_new(network_maxmin_system, action, 1.0, -1.0,
708 constraints_per_variable);
710 if (action->rate < 0) {
711 if (action->lat_current > 0)
712 lmm_update_variable_bound(network_maxmin_system, action->variable,
713 sg_tcp_gamma / (2.0 *
714 action->lat_current));
716 lmm_update_variable_bound(network_maxmin_system, action->variable,
719 if (action->lat_current > 0)
720 lmm_update_variable_bound(network_maxmin_system, action->variable,
722 sg_tcp_gamma / (2.0 *
723 action->lat_current)));
725 lmm_update_variable_bound(network_maxmin_system, action->variable,
729 xbt_dynar_foreach(route, i, link) {
730 lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
731 action->variable, 1.0);
734 if (sg_network_fullduplex == 1) {
735 XBT_DEBUG("Fullduplex active adding backward flow using 5%c", '%');
736 xbt_dynar_foreach(back_route, i, link) {
737 lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
738 action->variable, .05);
741 /* LARGE PLATFORMS HACK:
742 expand also with src->link and dst->link */
744 if (TRACE_is_enabled()) {
745 action->src_name = xbt_strdup(src_name);
746 action->dst_name = xbt_strdup(dst_name);
748 action->src_name = action->dst_name = NULL;
752 xbt_dynar_free(&route);
755 return (surf_action_t) action;
758 static xbt_dynar_t net_get_route(const char *src, const char *dst)
760 return global_routing->get_route(src, dst);
763 static double net_get_link_bandwidth(const void *link)
765 surf_resource_lmm_t lmm = (surf_resource_lmm_t) link;
766 return lmm->power.peak * lmm->power.scale;
769 static double net_get_link_latency(const void *link)
771 return ((link_CM02_t) link)->lat_current;
774 static int net_link_shared(const void *link)
777 lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint);
780 static void net_action_suspend(surf_action_t action)
782 ((surf_action_network_CM02_t) action)->suspended = 1;
783 lmm_update_variable_weight(network_maxmin_system,
784 ((surf_action_network_CM02_t)
785 action)->variable, 0.0);
788 static void net_action_resume(surf_action_t action)
790 if (((surf_action_network_CM02_t) action)->suspended) {
791 lmm_update_variable_weight(network_maxmin_system,
792 ((surf_action_network_CM02_t)
794 ((surf_action_network_CM02_t)
796 ((surf_action_network_CM02_t) action)->suspended = 0;
800 static int net_action_is_suspended(surf_action_t action)
802 return ((surf_action_network_CM02_t) action)->suspended;
805 void net_action_set_max_duration(surf_action_t action, double duration)
807 action->max_duration = duration;
811 static void net_action_set_category(surf_action_t action, const char *category)
813 action->category = xbt_strdup (category);
817 static void net_finalize(void)
819 surf_model_exit(surf_network_model);
820 surf_network_model = NULL;
822 global_routing->finalize();
824 lmm_system_free(network_maxmin_system);
825 network_maxmin_system = NULL;
828 static void surf_network_model_init_internal(void)
830 surf_network_model = surf_model_init();
832 surf_network_model->name = "network";
833 surf_network_model->action_unref = net_action_unref;
834 surf_network_model->action_cancel = net_action_cancel;
835 surf_network_model->action_recycle = net_action_recycle;
836 surf_network_model->get_remains = net_action_get_remains;
837 #ifdef HAVE_LATENCY_BOUND_TRACKING
838 surf_network_model->get_latency_limited = net_get_link_latency_limited;
841 surf_network_model->model_private->resource_used = net_resource_used;
842 surf_network_model->model_private->share_resources = net_share_resources;
843 surf_network_model->model_private->update_actions_state =
844 net_update_actions_state;
845 surf_network_model->model_private->update_resource_state =
846 net_update_resource_state;
847 surf_network_model->model_private->finalize = net_finalize;
849 surf_network_model->suspend = net_action_suspend;
850 surf_network_model->resume = net_action_resume;
851 surf_network_model->is_suspended = net_action_is_suspended;
852 surf_network_model->set_max_duration = net_action_set_max_duration;
854 surf_network_model->set_category = net_action_set_category;
857 surf_network_model->extension.network.communicate = net_communicate;
858 surf_network_model->extension.network.get_route = net_get_route;
859 surf_network_model->extension.network.get_link_bandwidth =
860 net_get_link_bandwidth;
861 surf_network_model->extension.network.get_link_latency =
862 net_get_link_latency;
863 surf_network_model->extension.network.link_shared = net_link_shared;
864 surf_network_model->extension.network.add_traces = net_add_traces;
865 surf_network_model->extension.network.create_resource =
868 if (!network_maxmin_system)
869 network_maxmin_system = lmm_system_new();
871 routing_model_create(sizeof(link_CM02_t),
872 net_link_new(xbt_strdup("__loopback__"),
873 498000000, NULL, 0.000015, NULL,
874 SURF_RESOURCE_ON, NULL,
875 SURF_LINK_FATPIPE, NULL),
876 net_get_link_latency);
881 /************************************************************************/
882 /* New model based on LV08 and experimental results of MPI ping-pongs */
883 /************************************************************************/
884 void surf_network_model_init_SMPI(const char *filename)
887 if (surf_network_model)
889 surf_network_model_init_internal();
890 latency_factor_callback = &smpi_latency_factor;
891 bandwidth_factor_callback = &smpi_bandwidth_factor;
892 bandwidth_constraint_callback = &smpi_bandwidth_constraint;
893 net_define_callbacks(filename);
894 xbt_dynar_push(model_list, &surf_network_model);
895 network_solve = lmm_solve;
897 xbt_cfg_setdefault_double(_surf_cfg_set, "network/sender_gap", 10e-6);
898 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
900 update_model_description(surf_network_model_description,
901 "SMPI", surf_network_model);
904 /************************************************************************/
905 /* New model based on optimizations discussed during this thesis */
906 /************************************************************************/
907 void surf_network_model_init_LegrandVelho(const char *filename)
910 if (surf_network_model)
912 surf_network_model_init_internal();
913 net_define_callbacks(filename);
914 xbt_dynar_push(model_list, &surf_network_model);
915 network_solve = lmm_solve;
917 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
918 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
920 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
922 update_model_description(surf_network_model_description,
923 "LV08", surf_network_model);
926 /***************************************************************************/
927 /* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
928 /***************************************************************************/
929 /* @TechReport{ rr-lip2002-40, */
930 /* author = {Henri Casanova and Loris Marchal}, */
931 /* institution = {LIP}, */
932 /* title = {A Network Model for Simulation of Grid Application}, */
933 /* number = {2002-40}, */
937 void surf_network_model_init_CM02(const char *filename)
940 if (surf_network_model)
942 surf_network_model_init_internal();
943 net_define_callbacks(filename);
944 xbt_dynar_push(model_list, &surf_network_model);
945 network_solve = lmm_solve;
947 update_model_description(surf_network_model_description,
948 "CM02", surf_network_model);
951 void surf_network_model_init_Reno(const char *filename)
953 if (surf_network_model)
955 surf_network_model_init_internal();
956 net_define_callbacks(filename);
958 xbt_dynar_push(model_list, &surf_network_model);
959 lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
961 network_solve = lagrange_solve;
963 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
964 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
966 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
968 update_model_description(surf_network_model_description,
969 "Reno", surf_network_model);
973 void surf_network_model_init_Reno2(const char *filename)
975 if (surf_network_model)
977 surf_network_model_init_internal();
978 net_define_callbacks(filename);
980 xbt_dynar_push(model_list, &surf_network_model);
981 lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
983 network_solve = lagrange_solve;
985 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
986 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
988 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S_parameter",
991 update_model_description(surf_network_model_description,
992 "Reno2", surf_network_model);
995 void surf_network_model_init_Vegas(const char *filename)
997 if (surf_network_model)
999 surf_network_model_init_internal();
1000 net_define_callbacks(filename);
1002 xbt_dynar_push(model_list, &surf_network_model);
1003 lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
1005 network_solve = lagrange_solve;
1007 xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4);
1008 xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor",
1010 xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775);
1012 update_model_description(surf_network_model_description,
1013 "Vegas", surf_network_model);