X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/90c21a4e08d786ee68b4774f55f64885533784b3..4d9370faea9fdff22188cf32f2488b89b2bb4472:/src/surf/network.c diff --git a/src/surf/network.c b/src/surf/network.c index 587d55a3dc..d5b647e697 100644 --- a/src/surf/network.c +++ b/src/surf/network.c @@ -23,14 +23,16 @@ #include "surf/surf_resource.h" #include "surf/surf_resource_lmm.h" +#undef GENERIC_LMM_ACTION #undef GENERIC_ACTION -#define GENERIC_ACTION(action) action->generic_action +#define GENERIC_LMM_ACTION(action) (action)->generic_lmm_action +#define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action + XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, - "Logging specific to the SURF network module"); + "Logging specific to the SURF network module"); surf_model_t surf_network_model = NULL; -static lmm_system_t network_maxmin_system = NULL; static void (*network_solve) (lmm_system_t) = NULL; xbt_dynar_t smpi_bw_factor = NULL; @@ -42,53 +44,17 @@ typedef struct s_smpi_factor { double value; } s_smpi_factor_t; + double sg_sender_gap = 0.0; -double sg_latency_factor = 1.0; /* default value; can be set by model or from command line */ -double sg_bandwidth_factor = 1.0; /* default value; can be set by model or from command line */ -double sg_weight_S_parameter = 0.0; /* default value; can be set by model or from command line */ +double sg_latency_factor = 1.0; /* default value; can be set by model or from command line */ +double sg_bandwidth_factor = 1.0; /* default value; can be set by model or from command line */ +double sg_weight_S_parameter = 0.0; /* default value; can be set by model or from command line */ double sg_tcp_gamma = 0.0; int sg_network_crosstraffic = 0; xbt_dict_t gap_lookup = NULL; -e_UM_t network_update_mechanism = UM_UNDEFINED; -static int net_selective_update = 0; - -static int net_action_is_suspended(surf_action_t action); -static void update_action_remaining_lazy(double now); - -static xbt_swag_t net_modified_set = NULL; -static xbt_heap_t net_action_heap = NULL; - -/* added to manage the communication action's heap */ -static void net_action_update_index_heap(void *action, int i) -{ - ((surf_action_network_CM02_t) action)->index_heap = i; -} - -/* insert action on heap using a given key and a hat (heap_action_type) - * a hat can be of three types for communications: - * - * NORMAL = this is a normal heap entry stating the date to finish transmitting - * LATENCY = this is a heap entry to warn us when the latency is payed - * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached - */ -static void heap_insert(surf_action_network_CM02_t action, double key, - enum heap_action_type hat) -{ - action->hat = hat; - xbt_heap_push(net_action_heap, action, key); -} - -static void heap_remove(surf_action_network_CM02_t action) -{ - action->hat = NOTSET; - if (((surf_action_network_CM02_t) action)->index_heap >= 0) { - xbt_heap_remove(net_action_heap, action->index_heap); - } -} - /******************************************************************************/ /* Factors callbacks */ /******************************************************************************/ @@ -103,7 +69,7 @@ static double constant_bandwidth_factor(double size) } static double constant_bandwidth_constraint(double rate, double bound, - double size) + double size) { return rate; } @@ -139,7 +105,7 @@ static double smpi_bandwidth_factor(double size) { if (!smpi_bw_factor) smpi_bw_factor = - parse_factor(xbt_cfg_get_string(_surf_cfg_set, "smpi/bw_factor")); + parse_factor(xbt_cfg_get_string(_surf_cfg_set, "smpi/bw_factor")); unsigned int iter = 0; s_smpi_factor_t fact; @@ -157,7 +123,7 @@ static double smpi_latency_factor(double size) { if (!smpi_lat_factor) smpi_lat_factor = - parse_factor(xbt_cfg_get_string(_surf_cfg_set, "smpi/lat_factor")); + parse_factor(xbt_cfg_get_string(_surf_cfg_set, "smpi/lat_factor")); unsigned int iter = 0; s_smpi_factor_t fact; @@ -174,7 +140,7 @@ static double smpi_latency_factor(double size) /**--------- -----------*/ static double smpi_bandwidth_constraint(double rate, double bound, - double size) + double size) { return rate < 0 ? bound : min(bound, rate * smpi_bandwidth_factor(size)); } @@ -187,42 +153,42 @@ static double (*bandwidth_constraint_callback) (double, double, double) = &constant_bandwidth_constraint; static void (*gap_append) (double, const link_CM02_t, - surf_action_network_CM02_t) = NULL; -static void (*gap_remove) (surf_action_network_CM02_t) = NULL; + surf_action_network_CM02_t) = NULL; static void *net_create_resource(const char *name, - double bw_initial, - tmgr_trace_t bw_trace, - double lat_initial, - tmgr_trace_t lat_trace, - e_surf_resource_state_t - state_initial, - tmgr_trace_t state_trace, - e_surf_link_sharing_policy_t - policy, xbt_dict_t properties) + double bw_initial, + tmgr_trace_t bw_trace, + double lat_initial, + tmgr_trace_t lat_trace, + e_surf_resource_state_t + state_initial, + tmgr_trace_t state_trace, + e_surf_link_sharing_policy_t + policy, xbt_dict_t properties) { link_CM02_t nw_link = (link_CM02_t) surf_resource_lmm_new(sizeof(s_link_CM02_t), - surf_network_model, name, properties, - network_maxmin_system, - sg_bandwidth_factor * bw_initial, - history, - state_initial, state_trace, - bw_initial, bw_trace); + surf_network_model, name, properties, + surf_network_model->model_private->maxmin_system, + sg_bandwidth_factor * bw_initial, + history, + state_initial, state_trace, + bw_initial, bw_trace); xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL), - "Link '%s' declared several times in the platform file.", - name); + "Link '%s' declared several times in the platform file.", + name); nw_link->lat_current = lat_initial; if (lat_trace) nw_link->lat_event = - tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link); + tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link); if (policy == SURF_LINK_FATPIPE) lmm_constraint_shared(nw_link->lmm_resource.constraint); xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link); + XBT_DEBUG("Create link '%s'",name); return nw_link; } @@ -233,30 +199,30 @@ static void net_parse_link_init(sg_platf_link_cbarg_t link) char *link_id; link_id = bprintf("%s_UP", link->id); net_create_resource(link_id, - link->bandwidth, - link->bandwidth_trace, - link->latency, - link->latency_trace, - link->state, - link->state_trace, link->policy, link->properties); + link->bandwidth, + link->bandwidth_trace, + link->latency, + link->latency_trace, + link->state, + link->state_trace, link->policy, link->properties); xbt_free(link_id); link_id = bprintf("%s_DOWN", link->id); net_create_resource(link_id, - link->bandwidth, - link->bandwidth_trace, - link->latency, - link->latency_trace, - link->state, - link->state_trace, link->policy, link->properties); + link->bandwidth, + link->bandwidth_trace, + link->latency, + link->latency_trace, + link->state, + link->state_trace, link->policy, link->properties); xbt_free(link_id); } else { net_create_resource(link->id, - link->bandwidth, - link->bandwidth_trace, - link->latency, - link->latency_trace, - link->state, - link->state_trace, link->policy, link->properties); + link->bandwidth, + link->bandwidth_trace, + link->latency, + link->latency_trace, + link->state, + link->state_trace, link->policy, link->properties); } } @@ -276,13 +242,13 @@ static void net_add_traces(void) link_CM02_t link = xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL); xbt_assert(link, "Cannot connect trace %s to link %s: link undefined", - trace_name, elm); + trace_name, elm); xbt_assert(trace, - "Cannot connect trace %s to link %s: trace undefined", - trace_name, elm); + "Cannot connect trace %s to link %s: trace undefined", + trace_name, elm); link->lmm_resource.state_event = - tmgr_history_add_trace(history, trace, 0.0, 0, link); + tmgr_history_add_trace(history, trace, 0.0, 0, link); } xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) { @@ -290,13 +256,13 @@ static void net_add_traces(void) link_CM02_t link = xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL); xbt_assert(link, "Cannot connect trace %s to link %s: link undefined", - trace_name, elm); + trace_name, elm); xbt_assert(trace, - "Cannot connect trace %s to link %s: trace undefined", - trace_name, elm); + "Cannot connect trace %s to link %s: trace undefined", + trace_name, elm); link->lmm_resource.power.event = - tmgr_history_add_trace(history, trace, 0.0, 0, link); + tmgr_history_add_trace(history, trace, 0.0, 0, link); } xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) { @@ -304,10 +270,10 @@ static void net_add_traces(void) link_CM02_t link = xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL); xbt_assert(link, "Cannot connect trace %s to link %s: link undefined", - trace_name, elm); + trace_name, elm); xbt_assert(trace, - "Cannot connect trace %s to link %s: trace undefined", - trace_name, elm); + "Cannot connect trace %s to link %s: trace undefined", + trace_name, elm); link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); } @@ -322,45 +288,9 @@ static void net_define_callbacks(void) static int net_resource_used(void *resource_id) { - return lmm_constraint_used(network_maxmin_system, ((surf_resource_lmm_t) - resource_id)-> - constraint); -} - -static int net_action_unref(surf_action_t action) -{ - action->refcount--; - if (!action->refcount) { - xbt_swag_remove(action, action->state_set); - if (((surf_action_network_CM02_t) action)->variable) { - lmm_variable_free(network_maxmin_system, - ((surf_action_network_CM02_t) action)->variable); - } - if (network_update_mechanism == UM_LAZY) { // remove action from the heap - heap_remove((surf_action_network_CM02_t) action); - xbt_swag_remove(action, net_modified_set); - } -#ifdef HAVE_TRACING - xbt_free(((surf_action_network_CM02_t) action)->src_name); - xbt_free(((surf_action_network_CM02_t) action)->dst_name); - xbt_free(action->category); -#endif - surf_action_free(&action); - return 1; - } - return 0; -} - - - -static void net_action_cancel(surf_action_t action) -{ - XBT_DEBUG("cancel action %p", action); - surf_network_model->action_state_set(action, SURF_ACTION_FAILED); - if (network_update_mechanism == UM_LAZY) { // remove action from the heap - xbt_swag_remove(action, net_modified_set); - heap_remove((surf_action_network_CM02_t) action); - } + return lmm_constraint_used(surf_network_model->model_private->maxmin_system, ((surf_resource_lmm_t) + resource_id)-> + constraint); } void net_action_recycle(surf_action_t action) @@ -375,72 +305,28 @@ int net_get_link_latency_limited(surf_action_t action) } #endif -double net_action_get_remains(surf_action_t action) -{ - if (network_update_mechanism == UM_LAZY) /* update remains before return it */ - update_action_remaining_lazy(surf_get_clock()); - return action->remains; -} - -static void update_action_remaining_lazy(double now) -{ - surf_action_network_CM02_t action = NULL; - double delta = 0.0; - - xbt_swag_foreach(action, net_modified_set) { - - if (action->suspended != 0) { - continue; - } - - delta = now - action->last_update; - - double_update(&(action->generic_action.remains), - lmm_variable_getvalue(action->variable) * delta); - - if (action->generic_action.max_duration != NO_MAX_DURATION) - double_update(&(action->generic_action.max_duration), delta); - - if ((action->generic_action.remains <= 0) && - (lmm_get_variable_weight(action->variable) > 0)) { - action->generic_action.finish = surf_get_clock(); - surf_network_model->action_state_set((surf_action_t) action, - SURF_ACTION_DONE); - heap_remove(action); - } else if ((action->generic_action.max_duration != NO_MAX_DURATION) - && (action->generic_action.max_duration <= 0)) { - action->generic_action.finish = surf_get_clock(); - surf_network_model->action_state_set((surf_action_t) action, - SURF_ACTION_DONE); - heap_remove(action); - } - - action->last_update = now; - } -} - static double net_share_resources_full(double now) { - s_surf_action_network_CM02_t s_action; + s_surf_action_lmm_t s_action; surf_action_network_CM02_t action = NULL; xbt_swag_t running_actions = surf_network_model->states.running_action_set; double min; min = generic_maxmin_share_resources(running_actions, - xbt_swag_offset(s_action, - variable), - network_maxmin_system, - network_solve); + xbt_swag_offset(s_action, + variable), + surf_network_model->model_private->maxmin_system, + network_solve); #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) ))) xbt_swag_foreach(action, running_actions) { #ifdef HAVE_LATENCY_BOUND_TRACKING - if (lmm_is_variable_limited_by_latency(action->variable)) { - (action->generic_action).latency_limited = 1; + if (lmm_is_variable_limited_by_latency(GENERIC_LMM_ACTION(action).variable)) { + action->latency_limited = 1; } else { - (action->generic_action).latency_limited = 0; + action->latency_limited = 0; } #endif if (action->latency > 0) { @@ -455,196 +341,22 @@ static double net_share_resources_full(double now) static double net_share_resources_lazy(double now) { - surf_action_network_CM02_t action = NULL; - double min = -1.0; - double value; - - XBT_DEBUG - ("Before share resources, the size of modified actions set is %d", - xbt_swag_size(net_modified_set)); - update_action_remaining_lazy(now); - - lmm_solve(network_maxmin_system); - - XBT_DEBUG - ("After share resources, The size of modified actions set is %d", - xbt_swag_size(net_modified_set)); - - xbt_swag_foreach(action, net_modified_set) { - int max_dur_flag = 0; - - if (GENERIC_ACTION(action).state_set != - surf_network_model->states.running_action_set) { - continue; - } - - /* bogus priority, skip it */ - if (GENERIC_ACTION(action).priority <= 0) { - continue; - } - - min = -1; - value = lmm_variable_getvalue(action->variable); - if (value > 0) { - if (GENERIC_ACTION(action).remains > 0) { - value = GENERIC_ACTION(action).remains / value; - min = now + value; - } else { - value = 0.0; - min = now; - } - } - - if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) - && (min == -1 - || GENERIC_ACTION(action).start + - GENERIC_ACTION(action).max_duration < min)) { - min = GENERIC_ACTION(action).start + - GENERIC_ACTION(action).max_duration; - max_dur_flag = 1; - } - - XBT_DEBUG("Action(%p) Start %lf Finish %lf Max_duration %lf", action, - GENERIC_ACTION(action).start, now + value, - GENERIC_ACTION(action).max_duration); - - if (action->index_heap >= 0) { - heap_remove((surf_action_network_CM02_t) action); - } - - if (min != -1) { - heap_insert((surf_action_network_CM02_t) action, min, - max_dur_flag ? MAX_DURATION : NORMAL); - XBT_DEBUG("Insert at heap action(%p) min %lf now %lf", action, min, - now); - } - } - - //hereafter must have already the min value for this resource model - if (xbt_heap_size(net_action_heap) > 0) { - min = xbt_heap_maxkey(net_action_heap) - now; - } else { - min = -1; - } - - XBT_DEBUG("The minimum with the HEAP %lf", min); - - return min; + return generic_share_resources_lazy(now, surf_network_model); } static void net_update_actions_state_full(double now, double delta) { - double deltap = 0.0; - surf_action_network_CM02_t action = NULL; - surf_action_network_CM02_t next_action = NULL; - xbt_swag_t running_actions = - surf_network_model->states.running_action_set; - /* - xbt_swag_t failed_actions = - surf_network_model->states.failed_action_set; - */ - - xbt_swag_foreach_safe(action, next_action, running_actions) { - deltap = delta; - if (action->latency > 0) { - if (action->latency > deltap) { - double_update(&(action->latency), deltap); - deltap = 0.0; - } else { - double_update(&(deltap), action->latency); - action->latency = 0.0; - } - if ((action->latency == 0.0) && !(action->suspended)) - lmm_update_variable_weight(network_maxmin_system, action->variable, - action->weight); - } -#ifdef HAVE_TRACING - if (TRACE_is_enabled()) { - xbt_dynar_t route = NULL; - routing_get_route_and_latency(action->src_name, action->dst_name, - &route, NULL); - link_CM02_t link; - unsigned int i; - xbt_dynar_foreach(route, i, link) { - TRACE_surf_link_set_utilization(link->lmm_resource. - generic_resource.name, - action->generic_action.data, - (surf_action_t) action, - lmm_variable_getvalue(action-> - variable), - now - delta, delta); - } - } -#endif - if (!lmm_get_number_of_cnst_from_var - (network_maxmin_system, action->variable)) { - /* There is actually no link used, hence an infinite bandwidth. - * This happens often when using models like vivaldi. - * In such case, just make sure that the action completes immediately. - */ - double_update(&(action->generic_action.remains), - action->generic_action.remains); - } - double_update(&(action->generic_action.remains), - lmm_variable_getvalue(action->variable) * deltap); - if (action->generic_action.max_duration != NO_MAX_DURATION) - double_update(&(action->generic_action.max_duration), delta); - - if ((action->generic_action.remains <= 0) && - (lmm_get_variable_weight(action->variable) > 0)) { - action->generic_action.finish = surf_get_clock(); - surf_network_model->action_state_set((surf_action_t) action, - SURF_ACTION_DONE); - - if (gap_remove) - gap_remove(action); - } else if ((action->generic_action.max_duration != NO_MAX_DURATION) - && (action->generic_action.max_duration <= 0)) { - action->generic_action.finish = surf_get_clock(); - surf_network_model->action_state_set((surf_action_t) action, - SURF_ACTION_DONE); - if (gap_remove) - gap_remove(action); - } - } - - return; + generic_update_actions_state_full(now, delta, surf_network_model); } static void net_update_actions_state_lazy(double now, double delta) { - surf_action_network_CM02_t action = NULL; - - while ((xbt_heap_size(net_action_heap) > 0) - && (double_equals(xbt_heap_maxkey(net_action_heap), now))) { - action = xbt_heap_pop(net_action_heap); - XBT_DEBUG("Action %p: finish", action); - GENERIC_ACTION(action).finish = surf_get_clock(); - - // if I am wearing a latency hat - if (action->hat == LATENCY) { - lmm_update_variable_weight(network_maxmin_system, action->variable, - action->weight); - heap_remove(action); - action->last_update = surf_get_clock(); - - // if I am wearing a max_duration or normal hat - } else if (action->hat == MAX_DURATION || action->hat == NORMAL) { - // no need to communicate anymore - // assume that flows that reached max_duration have remaining of 0 - GENERIC_ACTION(action).remains = 0; - action->generic_action.finish = surf_get_clock(); - surf_network_model->action_state_set((surf_action_t) action, - SURF_ACTION_DONE); - heap_remove(action); - } - } - return; + generic_update_actions_state_lazy(now, delta, surf_network_model); } static void net_update_resource_state(void *id, - tmgr_trace_event_t event_type, - double value, double date) + tmgr_trace_event_t event_type, + double value, double date) { link_CM02_t nw_link = id; /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */ @@ -653,37 +365,37 @@ static void net_update_resource_state(void *id, if (event_type == nw_link->lmm_resource.power.event) { double delta = - sg_weight_S_parameter / value - sg_weight_S_parameter / - (nw_link->lmm_resource.power.peak * - nw_link->lmm_resource.power.scale); + sg_weight_S_parameter / value - sg_weight_S_parameter / + (nw_link->lmm_resource.power.peak * + nw_link->lmm_resource.power.scale); lmm_variable_t var = NULL; lmm_element_t elem = NULL; surf_action_network_CM02_t action = NULL; nw_link->lmm_resource.power.peak = value; - lmm_update_constraint_bound(network_maxmin_system, - nw_link->lmm_resource.constraint, - sg_bandwidth_factor * - (nw_link->lmm_resource.power.peak * - nw_link->lmm_resource.power.scale)); + lmm_update_constraint_bound(surf_network_model->model_private->maxmin_system, + nw_link->lmm_resource.constraint, + sg_bandwidth_factor * + (nw_link->lmm_resource.power.peak * + nw_link->lmm_resource.power.scale)); #ifdef HAVE_TRACING TRACE_surf_link_set_bandwidth(date, - (char - *) (((nw_link->lmm_resource). - generic_resource).name), - sg_bandwidth_factor * - (nw_link->lmm_resource.power.peak * - nw_link->lmm_resource.power.scale)); + (char + *) (((nw_link->lmm_resource). + generic_resource).name), + sg_bandwidth_factor * + (nw_link->lmm_resource.power.peak * + nw_link->lmm_resource.power.scale)); #endif if (sg_weight_S_parameter > 0) { while ((var = lmm_get_var_from_cnst - (network_maxmin_system, nw_link->lmm_resource.constraint, - &elem))) { - action = lmm_variable_id(var); - action->weight += delta; - if (!(action->suspended)) - lmm_update_variable_weight(network_maxmin_system, - action->variable, action->weight); + (surf_network_model->model_private->maxmin_system, nw_link->lmm_resource.constraint, + &elem))) { + action = lmm_variable_id(var); + action->weight += delta; + if (!(GENERIC_LMM_ACTION(action).suspended)) + lmm_update_variable_weight(surf_network_model->model_private->maxmin_system, + GENERIC_LMM_ACTION(action).variable, action->weight); } } if (tmgr_trace_event_free(event_type)) @@ -696,32 +408,32 @@ static void net_update_resource_state(void *id, nw_link->lat_current = value; while ((var = lmm_get_var_from_cnst - (network_maxmin_system, nw_link->lmm_resource.constraint, - &elem))) { + (surf_network_model->model_private->maxmin_system, nw_link->lmm_resource.constraint, + &elem))) { action = lmm_variable_id(var); action->lat_current += delta; action->weight += delta; if (action->rate < 0) - lmm_update_variable_bound(network_maxmin_system, action->variable, - sg_tcp_gamma / (2.0 * - action->lat_current)); + lmm_update_variable_bound(surf_network_model->model_private->maxmin_system, GENERIC_LMM_ACTION(action).variable, + sg_tcp_gamma / (2.0 * + action->lat_current)); else { - lmm_update_variable_bound(network_maxmin_system, action->variable, - min(action->rate, - sg_tcp_gamma / (2.0 * - action-> - lat_current))); - - if (action->rate < sg_tcp_gamma / (2.0 * action->lat_current)) { - XBT_INFO("Flow is limited BYBANDWIDTH"); - } else { - XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f", - action->lat_current); - } + lmm_update_variable_bound(surf_network_model->model_private->maxmin_system, GENERIC_LMM_ACTION(action).variable, + min(action->rate, + sg_tcp_gamma / (2.0 * + action-> + lat_current))); + + if (action->rate < sg_tcp_gamma / (2.0 * action->lat_current)) { + XBT_INFO("Flow is limited BYBANDWIDTH"); + } else { + XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f", + action->lat_current); + } } - if (!(action->suspended)) - lmm_update_variable_weight(network_maxmin_system, action->variable, - action->weight); + if (!(GENERIC_LMM_ACTION(action).suspended)) + lmm_update_variable_weight(surf_network_model->model_private->maxmin_system, GENERIC_LMM_ACTION(action).variable, + action->weight); } if (tmgr_trace_event_free(event_type)) @@ -736,14 +448,14 @@ static void net_update_resource_state(void *id, nw_link->lmm_resource.state_current = SURF_RESOURCE_OFF; while ((var = lmm_get_var_from_cnst - (network_maxmin_system, cnst, &elem))) { - surf_action_t action = lmm_variable_id(var); - - if (surf_action_state_get(action) == SURF_ACTION_RUNNING || - surf_action_state_get(action) == SURF_ACTION_READY) { - action->finish = date; - surf_network_model->action_state_set(action, SURF_ACTION_FAILED); - } + (surf_network_model->model_private->maxmin_system, cnst, &elem))) { + surf_action_t action = lmm_variable_id(var); + + if (surf_action_state_get(action) == SURF_ACTION_RUNNING || + surf_action_state_get(action) == SURF_ACTION_READY) { + action->finish = date; + surf_network_model->action_state_set(action, SURF_ACTION_FAILED); + } } } if (tmgr_trace_event_free(event_type)) @@ -760,9 +472,9 @@ static void net_update_resource_state(void *id, } -static surf_action_t net_communicate(const char *src_name, - const char *dst_name, double size, - double rate) +static surf_action_t net_communicate(sg_routing_edge_t src, + sg_routing_edge_t dst, + double size, double rate) { unsigned int i; link_CM02_t link; @@ -773,14 +485,14 @@ static surf_action_t net_communicate(const char *src_name, xbt_dynar_t back_route = NULL; int constraints_per_variable = 0; - xbt_dynar_t route = xbt_dynar_new(global_routing->size_of_link, NULL); + xbt_dynar_t route = xbt_dynar_new(sizeof(sg_routing_link_t), NULL); - XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate); + XBT_IN("(%s,%s,%g,%g)", src->name, dst->name, size, rate); - routing_get_route_and_latency(src_name, dst_name, &route, &latency); + routing_get_route_and_latency(src, dst, &route, &latency); xbt_assert(!xbt_dynar_is_empty(route) || latency, - "You're trying to send data from %s to %s but there is no connection at all between these two hosts.", - src_name, dst_name); + "You're trying to send data from %s to %s but there is no connection at all between these two hosts.", + src->name, dst->name); xbt_dynar_foreach(route, i, link) { if (link->lmm_resource.state_current == SURF_RESOURCE_OFF) { @@ -789,43 +501,43 @@ static surf_action_t net_communicate(const char *src_name, } } if (sg_network_crosstraffic == 1) { - routing_get_route_and_latency(dst_name, src_name, &back_route, NULL); + routing_get_route_and_latency(dst, src, &back_route, NULL); xbt_dynar_foreach(back_route, i, link) { if (link->lmm_resource.state_current == SURF_RESOURCE_OFF) { - failed = 1; - break; + failed = 1; + break; } } } action = surf_action_new(sizeof(s_surf_action_network_CM02_t), size, - surf_network_model, failed); + surf_network_model, failed); #ifdef HAVE_LATENCY_BOUND_TRACKING - (action->generic_action).latency_limited = 0; + action->latency_limited = 0; #endif action->weight = action->latency = latency; - xbt_swag_insert(action, action->generic_action.state_set); + xbt_swag_insert(action, ((surf_action_t)action)->state_set); action->rate = rate; - if (network_update_mechanism == UM_LAZY) { - action->index_heap = -1; - action->last_update = surf_get_clock(); + if (surf_network_model->model_private->update_mechanism == UM_LAZY) { + GENERIC_LMM_ACTION(action).index_heap = -1; + GENERIC_LMM_ACTION(action).last_update = surf_get_clock(); } bandwidth_bound = -1.0; if (sg_weight_S_parameter > 0) { xbt_dynar_foreach(route, i, link) { action->weight += - sg_weight_S_parameter / - (link->lmm_resource.power.peak * link->lmm_resource.power.scale); + sg_weight_S_parameter / + (link->lmm_resource.power.peak * link->lmm_resource.power.scale); } } xbt_dynar_foreach(route, i, link) { double bb = bandwidth_factor_callback(size) * - (link->lmm_resource.power.peak * link->lmm_resource.power.scale); + (link->lmm_resource.power.peak * link->lmm_resource.power.scale); bandwidth_bound = - (bandwidth_bound < 0.0) ? bb : min(bandwidth_bound, bb); + (bandwidth_bound < 0.0) ? bb : min(bandwidth_bound, bb); } action->lat_current = action->latency; @@ -834,13 +546,13 @@ static surf_action_t net_communicate(const char *src_name, bandwidth_constraint_callback(action->rate, bandwidth_bound, size); if (gap_append) { xbt_assert(!xbt_dynar_is_empty(route), - "Using a model with a gap (e.g., SMPI) with a platform without links (e.g. vivaldi)!!!"); + "Using a model with a gap (e.g., SMPI) with a platform without links (e.g. vivaldi)!!!"); link = *(link_CM02_t *) xbt_dynar_get_ptr(route, 0); gap_append(size, link, action); XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)", - action, src_name, dst_name, action->sender.gap, - action->latency); + action, src->name, dst->name, action->sender.gap, + action->latency); } constraints_per_variable = xbt_dynar_length(route); @@ -848,55 +560,47 @@ static surf_action_t net_communicate(const char *src_name, constraints_per_variable += xbt_dynar_length(back_route); if (action->latency > 0) { - action->variable = - lmm_variable_new(network_maxmin_system, action, 0.0, -1.0, - constraints_per_variable); - if (network_update_mechanism == UM_LAZY) { + GENERIC_LMM_ACTION(action).variable = + lmm_variable_new(surf_network_model->model_private->maxmin_system, action, 0.0, -1.0, + constraints_per_variable); + if (surf_network_model->model_private->update_mechanism == UM_LAZY) { // add to the heap the event when the latency is payed XBT_DEBUG("Added action (%p) one latency event at date %f", action, - action->latency + action->last_update); - heap_insert(action, action->latency + action->last_update, - xbt_dynar_is_empty(route) ? NORMAL : LATENCY); + action->latency + GENERIC_LMM_ACTION(action).last_update); + surf_action_lmm_heap_insert(surf_network_model->model_private->action_heap,(surf_action_lmm_t)action, action->latency + GENERIC_LMM_ACTION(action).last_update, + xbt_dynar_is_empty(route) ? NORMAL : LATENCY); } } else - action->variable = - lmm_variable_new(network_maxmin_system, action, 1.0, -1.0, - constraints_per_variable); + GENERIC_LMM_ACTION(action).variable = + lmm_variable_new(surf_network_model->model_private->maxmin_system, action, 1.0, -1.0, + constraints_per_variable); if (action->rate < 0) { - lmm_update_variable_bound(network_maxmin_system, action->variable, - (action->lat_current > 0) ? - sg_tcp_gamma / (2.0 * - action->lat_current) : -1.0); + lmm_update_variable_bound(surf_network_model->model_private->maxmin_system, GENERIC_LMM_ACTION(action).variable, + (action->lat_current > 0) ? + sg_tcp_gamma / (2.0 * + action->lat_current) : -1.0); } else { - lmm_update_variable_bound(network_maxmin_system, action->variable, - (action->lat_current > 0) ? - min(action->rate, - sg_tcp_gamma / (2.0 * - action->lat_current)) - : action->rate); + lmm_update_variable_bound(surf_network_model->model_private->maxmin_system, GENERIC_LMM_ACTION(action).variable, + (action->lat_current > 0) ? + min(action->rate, + sg_tcp_gamma / (2.0 * + action->lat_current)) + : action->rate); } xbt_dynar_foreach(route, i, link) { - lmm_expand(network_maxmin_system, link->lmm_resource.constraint, - action->variable, 1.0); + lmm_expand(surf_network_model->model_private->maxmin_system, link->lmm_resource.constraint, + GENERIC_LMM_ACTION(action).variable, 1.0); } if (sg_network_crosstraffic == 1) { XBT_DEBUG("Fullduplex active adding backward flow using 5%%"); xbt_dynar_foreach(back_route, i, link) { - lmm_expand(network_maxmin_system, link->lmm_resource.constraint, - action->variable, .05); + lmm_expand(surf_network_model->model_private->maxmin_system, link->lmm_resource.constraint, + GENERIC_LMM_ACTION(action).variable, .05); } } -#ifdef HAVE_TRACING - if (TRACE_is_enabled()) { - action->src_name = xbt_strdup(src_name); - action->dst_name = xbt_strdup(dst_name); - } else { - action->src_name = action->dst_name = NULL; - } -#endif xbt_dynar_free(&route); XBT_OUT(); @@ -904,7 +608,7 @@ static surf_action_t net_communicate(const char *src_name, return (surf_action_t) action; } -static xbt_dynar_t net_get_route(const char *src, const char *dst) +static xbt_dynar_t net_get_route(void *src, void *dst) { xbt_dynar_t route = NULL; routing_get_route_and_latency(src, dst, &route, NULL); @@ -928,64 +632,19 @@ static int net_link_shared(const void *link) lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint); } -static void net_action_suspend(surf_action_t action) +static void net_finalize(void) { - ((surf_action_network_CM02_t) action)->suspended = 1; - lmm_update_variable_weight(network_maxmin_system, - ((surf_action_network_CM02_t) - action)->variable, 0.0); - - if (network_update_mechanism == UM_LAZY) // remove action from the heap - heap_remove((surf_action_network_CM02_t) action); -} + lmm_system_free(surf_network_model->model_private->maxmin_system); + surf_network_model->model_private->maxmin_system = NULL; -static void net_action_resume(surf_action_t action) -{ - if (((surf_action_network_CM02_t) action)->suspended) { - lmm_update_variable_weight(network_maxmin_system, - ((surf_action_network_CM02_t) - action)->variable, - ((surf_action_network_CM02_t) - action)->weight); - ((surf_action_network_CM02_t) action)->suspended = 0; - if (network_update_mechanism == UM_LAZY) // remove action from the heap - heap_remove((surf_action_network_CM02_t) action); + if (surf_network_model->model_private->update_mechanism == UM_LAZY) { + xbt_heap_free(surf_network_model->model_private->action_heap); + xbt_swag_free(surf_network_model->model_private->modified_set); } -} - -static int net_action_is_suspended(surf_action_t action) -{ - return ((surf_action_network_CM02_t) action)->suspended; -} - -void net_action_set_max_duration(surf_action_t action, double duration) -{ - action->max_duration = duration; - if (network_update_mechanism == UM_LAZY) // remove action from the heap - heap_remove((surf_action_network_CM02_t) action); -} - -#ifdef HAVE_TRACING -static void net_action_set_category(surf_action_t action, - const char *category) -{ - action->category = xbt_strdup(category); -} -#endif -static void net_finalize(void) -{ surf_model_exit(surf_network_model); surf_network_model = NULL; - lmm_system_free(network_maxmin_system); - network_maxmin_system = NULL; - - if (network_update_mechanism == UM_LAZY) { - xbt_heap_free(net_action_heap); - xbt_swag_free(net_modified_set); - } - if (smpi_bw_factor) xbt_dynar_free(&smpi_bw_factor); if (smpi_lat_factor) @@ -993,7 +652,7 @@ static void net_finalize(void) } static void smpi_gap_append(double size, const link_CM02_t link, - surf_action_network_CM02_t action) + surf_action_network_CM02_t action) { const char *src = link->lmm_resource.generic_resource.name; xbt_fifo_t fifo; @@ -1009,19 +668,18 @@ static void smpi_gap_append(double size, const link_CM02_t link, if (fifo && xbt_fifo_size(fifo) > 0) { /* Compute gap from last send */ last_action = - (surf_action_network_CM02_t) - xbt_fifo_get_item_content(xbt_fifo_get_last_item(fifo)); + (surf_action_network_CM02_t) + xbt_fifo_get_item_content(xbt_fifo_get_last_item(fifo)); bw = net_get_link_bandwidth(link); action->sender.gap = - last_action->sender.gap + max(sg_sender_gap, - last_action->sender.size / bw); + max(sg_sender_gap,last_action->sender.size / bw); action->latency += action->sender.gap; } /* Append action as last send */ action->sender.link_name = link->lmm_resource.generic_resource.name; fifo = - (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup, - action->sender.link_name); + (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup, + action->sender.link_name); if (!fifo) { fifo = xbt_fifo_new(); xbt_dict_set(gap_lookup, action->sender.link_name, fifo, NULL); @@ -1031,16 +689,17 @@ static void smpi_gap_append(double size, const link_CM02_t link, } } -static void smpi_gap_remove(surf_action_network_CM02_t action) +static void smpi_gap_remove(surf_action_lmm_t lmm_action) { xbt_fifo_t fifo; size_t size; + surf_action_network_CM02_t action = (surf_action_network_CM02_t)(lmm_action); if (sg_sender_gap > 0.0 && action->sender.link_name && action->sender.fifo_item) { fifo = - (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup, - action->sender.link_name); + (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup, + action->sender.link_name); xbt_fifo_remove_item(fifo, action->sender.fifo_item); size = xbt_fifo_size(fifo); if (size == 0) { @@ -1048,50 +707,76 @@ static void smpi_gap_remove(surf_action_network_CM02_t action) xbt_dict_remove(gap_lookup, action->sender.link_name); size = xbt_dict_length(gap_lookup); if (size == 0) { - xbt_dict_free(&gap_lookup); + xbt_dict_free(&gap_lookup); } } } } +static void set_update_mechanism(void) +{ + char *optim = xbt_cfg_get_string(_surf_cfg_set, "network/optim"); + int select = + xbt_cfg_get_int(_surf_cfg_set, "network/maxmin_selective_update"); + + if (!strcmp(optim, "Full")) { + surf_network_model->model_private->update_mechanism = UM_FULL; + surf_network_model->model_private->selective_update = select; + } else if (!strcmp(optim, "Lazy")) { + surf_network_model->model_private->update_mechanism = UM_LAZY; + surf_network_model->model_private->selective_update = 1; + xbt_assert((select == 1) + || + (xbt_cfg_is_default_value + (_surf_cfg_set, "network/maxmin_selective_update")), + "Disabling selective update while using the lazy update mechanism is dumb!"); + } else { + xbt_die("Unsupported optimization (%s) for this model", optim); + } +} + static void surf_network_model_init_internal(void) { s_surf_action_network_CM02_t comm; surf_network_model = surf_model_init(); + set_update_mechanism(); + surf_network_model->name = "network"; - surf_network_model->action_unref = net_action_unref; - surf_network_model->action_cancel = net_action_cancel; + surf_network_model->action_unref = surf_action_unref; + surf_network_model->action_cancel = surf_action_cancel; surf_network_model->action_recycle = net_action_recycle; - surf_network_model->get_remains = net_action_get_remains; + + surf_network_model->get_remains = surf_action_get_remains; + #ifdef HAVE_LATENCY_BOUND_TRACKING surf_network_model->get_latency_limited = net_get_link_latency_limited; #endif #ifdef HAVE_TRACING - surf_network_model->set_category = net_action_set_category; + surf_network_model->set_category = surf_action_set_category; #endif surf_network_model->model_private->resource_used = net_resource_used; - if (network_update_mechanism == UM_LAZY) { + if (surf_network_model->model_private->update_mechanism == UM_LAZY) { surf_network_model->model_private->share_resources = - net_share_resources_lazy; + net_share_resources_lazy; surf_network_model->model_private->update_actions_state = - net_update_actions_state_lazy; - } else if (network_update_mechanism == UM_FULL) { + net_update_actions_state_lazy; + } else if (surf_network_model->model_private->update_mechanism == UM_FULL) { surf_network_model->model_private->share_resources = - net_share_resources_full; + net_share_resources_full; surf_network_model->model_private->update_actions_state = - net_update_actions_state_full; + net_update_actions_state_full; } surf_network_model->model_private->update_resource_state = net_update_resource_state; surf_network_model->model_private->finalize = net_finalize; - surf_network_model->suspend = net_action_suspend; - surf_network_model->resume = net_action_resume; - surf_network_model->is_suspended = net_action_is_suspended; - surf_cpu_model->set_max_duration = net_action_set_max_duration; + surf_network_model->suspend = surf_action_suspend; + surf_network_model->resume = surf_action_resume; + surf_network_model->is_suspended = surf_action_is_suspended; + surf_cpu_model->set_max_duration = surf_action_set_max_duration; surf_network_model->extension.network.communicate = net_communicate; surf_network_model->extension.network.get_route = net_get_route; @@ -1104,49 +789,24 @@ static void surf_network_model_init_internal(void) surf_network_model->extension.network.create_resource = net_create_resource; - if (!network_maxmin_system) - network_maxmin_system = lmm_system_new(net_selective_update); - - routing_model_create(sizeof(link_CM02_t), - net_create_resource("__loopback__", - 498000000, NULL, 0.000015, NULL, - SURF_RESOURCE_ON, NULL, - SURF_LINK_FATPIPE, NULL)); - - if (network_update_mechanism == UM_LAZY) { - net_action_heap = xbt_heap_new(8, NULL); - xbt_heap_set_update_callback(net_action_heap, - net_action_update_index_heap); - net_modified_set = - xbt_swag_new(xbt_swag_offset(comm, action_list_hookup)); - network_maxmin_system->keep_track = net_modified_set; - } -} - -static void set_update_mechanism(void) -{ -#ifdef HAVE_TRACING - TRACE_set_network_update_mechanism(); -#endif + if (!surf_network_model->model_private->maxmin_system) + surf_network_model->model_private->maxmin_system = lmm_system_new(surf_network_model->model_private->selective_update); - char *optim = xbt_cfg_get_string(_surf_cfg_set, "network/optim"); - int select = - xbt_cfg_get_int(_surf_cfg_set, "network/maxmin_selective_update"); + routing_model_create(net_create_resource("__loopback__", + 498000000, NULL, 0.000015, NULL, + SURF_RESOURCE_ON, NULL, + SURF_LINK_FATPIPE, NULL)); - if (!strcmp(optim, "Full")) { - network_update_mechanism = UM_FULL; - net_selective_update = select; - } else if (!strcmp(optim, "Lazy")) { - network_update_mechanism = UM_LAZY; - net_selective_update = 1; - xbt_assert((select == 1) - || - (xbt_cfg_is_default_value - (_surf_cfg_set, "network/maxmin_selective_update")), - "Disabling selective update while using the lazy update mechanism is dumb!"); - } else { - xbt_die("Unsupported optimization (%s) for this model", optim); + if (surf_network_model->model_private->update_mechanism == UM_LAZY) { + surf_network_model->model_private->action_heap = xbt_heap_new(8, NULL); + xbt_heap_set_update_callback(surf_network_model->model_private->action_heap, + surf_action_lmm_update_index_heap); + surf_network_model->model_private->modified_set = + xbt_swag_new(xbt_swag_offset(comm, generic_lmm_action.action_list_hookup)); + surf_network_model->model_private->maxmin_system->keep_track = surf_network_model->model_private->modified_set; } + + surf_network_model->gap_remove = NULL; } /************************************************************************/ @@ -1165,14 +825,13 @@ void surf_network_model_init_SMPI(void) if (surf_network_model) return; - set_update_mechanism(); surf_network_model_init_internal(); latency_factor_callback = &smpi_latency_factor; bandwidth_factor_callback = &smpi_bandwidth_factor; bandwidth_constraint_callback = &smpi_bandwidth_constraint; gap_append = &smpi_gap_append; - gap_remove = &smpi_gap_remove; + surf_network_model->gap_remove = &smpi_gap_remove; net_define_callbacks(); xbt_dynar_push(model_list, &surf_network_model); network_solve = lmm_solve; @@ -1200,17 +859,15 @@ void surf_network_model_init_LegrandVelho(void) if (surf_network_model) return; - set_update_mechanism(); - surf_network_model_init_internal(); net_define_callbacks(); xbt_dynar_push(model_list, &surf_network_model); network_solve = lmm_solve; xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", - 13.01); + 13.01); xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor", - 0.97); + 0.97); xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 20537); } @@ -1231,7 +888,6 @@ void surf_network_model_init_CM02(void) if (surf_network_model) return; - set_update_mechanism(); surf_network_model_init_internal(); net_define_callbacks(); xbt_dynar_push(model_list, &surf_network_model); @@ -1239,7 +895,7 @@ void surf_network_model_init_CM02(void) xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 1.0); xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor", - 1.0); + 1.0); xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 0.0); } @@ -1258,18 +914,17 @@ void surf_network_model_init_Reno(void) if (surf_network_model) return; - set_update_mechanism(); surf_network_model_init_internal(); net_define_callbacks(); xbt_dynar_push(model_list, &surf_network_model); lmm_set_default_protocol_function(func_reno_f, func_reno_fp, - func_reno_fpi); + func_reno_fpi); network_solve = lagrange_solve; xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4); xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor", - 0.92); + 0.92); xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775); } @@ -1279,20 +934,19 @@ void surf_network_model_init_Reno2(void) if (surf_network_model) return; - set_update_mechanism(); surf_network_model_init_internal(); net_define_callbacks(); xbt_dynar_push(model_list, &surf_network_model); lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, - func_reno2_fpi); + func_reno2_fpi); network_solve = lagrange_solve; xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4); xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor", - 0.92); + 0.92); xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S_parameter", - 8775); + 8775); } void surf_network_model_init_Vegas(void) @@ -1300,17 +954,16 @@ void surf_network_model_init_Vegas(void) if (surf_network_model) return; - set_update_mechanism(); surf_network_model_init_internal(); net_define_callbacks(); xbt_dynar_push(model_list, &surf_network_model); lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, - func_vegas_fpi); + func_vegas_fpi); network_solve = lagrange_solve; xbt_cfg_setdefault_double(_surf_cfg_set, "network/latency_factor", 10.4); xbt_cfg_setdefault_double(_surf_cfg_set, "network/bandwidth_factor", - 0.92); + 0.92); xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775); }