X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8a148ae3a296d7cf7532fa636e659a860ad3f943..bda6e0c064e2ebbac5dc3b5f780bb5e6cb61e9b0:/src/surf/network.c diff --git a/src/surf/network.c b/src/surf/network.c index 3535d2bb6f..7f207d0d23 100644 --- a/src/surf/network.c +++ b/src/surf/network.c @@ -15,10 +15,13 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, surf_network_model_t surf_network_model = NULL; static lmm_system_t network_maxmin_system = NULL; static void (*network_solve) (lmm_system_t) = NULL; - xbt_dict_t link_set = NULL; xbt_dict_t network_card_set = NULL; +double latency_factor = 1.0; /* default value */ +double bandwidth_factor = 1.0; /* default value */ + + int card_number = 0; int host_number = 0; link_CM02_t **routing_table = NULL; @@ -35,6 +38,7 @@ static void create_routing_table(void) static void link_free(void *nw_link) { free(((link_CM02_t) nw_link)->name); + xbt_dict_free(&(((link_CM02_t)nw_link)->properties)); free(nw_link); } @@ -70,7 +74,7 @@ static link_CM02_t link_new(char *name, nw_link->constraint = lmm_constraint_new(network_maxmin_system, nw_link, - nw_link->bw_current); + bandwidth_factor*nw_link->bw_current); if (policy == SURF_LINK_FATPIPE) lmm_constraint_shared(nw_link->constraint); @@ -162,7 +166,6 @@ static void parse_route_set_endpoints(void) src_id = network_card_new(A_surfxml_route_src); dst_id = network_card_new(A_surfxml_route_dst); route_action = A_surfxml_route_action; - route_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); } static void parse_route_set_route(void) @@ -229,9 +232,6 @@ static void add_route(void) } route_new(src_id, dst_id, link_list, nb_link); } - - xbt_dict_free(&route_table); - } static void count_hosts(void) @@ -278,14 +278,6 @@ static void add_traces(void) { link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); } - - xbt_dict_free(&trace_connect_list_host_avail); - xbt_dict_free(&trace_connect_list_power); - xbt_dict_free(&trace_connect_list_link_avail); - xbt_dict_free(&trace_connect_list_bandwidth); - xbt_dict_free(&trace_connect_list_latency); - - xbt_dict_free(&traces_set_list); } static void define_callbacks(const char *file) @@ -293,22 +285,11 @@ static void define_callbacks(const char *file) /* Figuring out the network links */ surfxml_add_callback(STag_surfxml_host_cb_list, &count_hosts); surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init); - surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties); surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints); - surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem); surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route); - surfxml_add_callback(STag_surfxml_platform_cb_list, &init_data); surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces); surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route); surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback); - surfxml_add_callback(STag_surfxml_set_cb_list, &parse_sets); - surfxml_add_callback(STag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_endpoints); - surfxml_add_callback(ETag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_route); - surfxml_add_callback(STag_surfxml_foreach_cb_list, &parse_foreach); - surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_cluster); - surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_trace_init); - surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_trace_finalize); - surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_trace_c_connect); } static void *name_service(const char *name) @@ -331,8 +312,8 @@ static int resource_used(void *resource_id) static int action_free(surf_action_t action) { - action->using--; - if (!action->using) { + 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, @@ -345,7 +326,7 @@ static int action_free(surf_action_t action) static void action_use(surf_action_t action) { - action->using++; + action->refcount ++; } static void action_cancel(surf_action_t action) @@ -456,7 +437,7 @@ static void update_resource_state(void *id, if (event_type == nw_link->bw_event) { nw_link->bw_current = value; lmm_update_constraint_bound(network_maxmin_system, nw_link->constraint, - nw_link->bw_current); + bandwidth_factor*nw_link->bw_current); } else if (event_type == nw_link->lat_event) { double delta = value - nw_link->lat_current; lmm_variable_t var = NULL; @@ -482,8 +463,7 @@ static void update_resource_state(void *id, if (!(action->suspended)) lmm_update_variable_weight(network_maxmin_system, action->variable, action->lat_current); - lmm_update_variable_latency(network_maxmin_system, action->variable, - delta); + } } else if (event_type == nw_link->state_event) { if (value > 0) @@ -537,7 +517,7 @@ static surf_action_t communicate(void *src, void *dst, double size, action = xbt_new0(s_surf_action_network_CM02_t, 1); - action->generic_action.using = 1; + action->generic_action.refcount = 1; action->generic_action.cost = size; action->generic_action.remains = size; action->generic_action.max_duration = NO_MAX_DURATION; @@ -565,6 +545,8 @@ static surf_action_t communicate(void *src, void *dst, double size, /* LARGE PLATFORMS HACK: Add src->link and dst->link latencies */ action->lat_current = action->latency; + action->latency *= latency_factor; + /* LARGE PLATFORMS HACK: lmm_variable_new(..., total_route_size)*/ @@ -596,8 +578,6 @@ static surf_action_t communicate(void *src, void *dst, double size, lmm_update_variable_bound(network_maxmin_system, action->variable, action->rate); } - lmm_update_variable_latency(network_maxmin_system, action->variable, - action->latency); for (i = 0; i < route_size; i++) lmm_expand(network_maxmin_system, route[i]->constraint, @@ -640,6 +620,11 @@ static double get_link_latency(const void *link) return ((link_CM02_t) link)->lat_current; } +static int link_shared(const void *link) +{ + return lmm_constraint_is_shared(((link_CM02_t) link)->constraint); +} + static xbt_dict_t get_properties(void *link) { return ((link_CM02_t) link)->properties; @@ -705,6 +690,8 @@ static void finalize(void) free(routing_table_size); routing_table_size = NULL; host_number = 0; + lmm_system_free(network_maxmin_system); + network_maxmin_system = NULL; } static void surf_network_model_init_internal(void) @@ -770,6 +757,8 @@ static void surf_network_model_init_internal(void) get_link_bandwidth; surf_network_model->extension_public->get_link_latency = get_link_latency; + surf_network_model->extension_public->link_shared = + link_shared; surf_network_model->common_public->get_properties = get_properties; @@ -780,6 +769,27 @@ static void surf_network_model_init_internal(void) network_maxmin_system = lmm_system_new(); } +/************************************************************************/ +/* New model based on optimizations discussed during this thesis */ +/************************************************************************/ +void surf_network_model_init_LegrandVelho(const char *filename) +{ + + if (surf_network_model) + return; + surf_network_model_init_internal(); + define_callbacks(filename); + xbt_dynar_push(model_list, &surf_network_model); + network_solve = lmm_solve; + + latency_factor = 10.4; + bandwidth_factor = 0.92; + + update_model_description(surf_network_model_description, + "LegrandVelho", + (surf_model_t) surf_network_model); +} + /***************************************************************************/ /* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */ /***************************************************************************/ @@ -802,9 +812,8 @@ void surf_network_model_init_CM02(const char *filename) network_solve = lmm_solve; update_model_description(surf_network_model_description, - surf_network_model_description_size, - "CM02", - (surf_model_t) surf_network_model); + "CM02", + (surf_model_t) surf_network_model); } void surf_network_model_init_Reno(const char *filename) @@ -820,9 +829,8 @@ void surf_network_model_init_Reno(const char *filename) network_solve = lagrange_solve; update_model_description(surf_network_model_description, - surf_network_model_description_size, - "Reno", - (surf_model_t) surf_network_model); + "Reno", + (surf_model_t) surf_network_model); } @@ -831,7 +839,7 @@ void surf_network_model_init_Reno2(const char *filename) if (surf_network_model) return; surf_network_model_init_internal(); - parse_file(filename); + define_callbacks(filename); xbt_dynar_push(model_list, &surf_network_model); lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, @@ -839,9 +847,8 @@ void surf_network_model_init_Reno2(const char *filename) network_solve = lagrange_solve; update_model_description(surf_network_model_description, - surf_network_model_description_size, - "Reno2", - (surf_model_t) surf_network_model); + "Reno2", + (surf_model_t) surf_network_model); } void surf_network_model_init_Vegas(const char *filename) @@ -857,13 +864,12 @@ void surf_network_model_init_Vegas(const char *filename) network_solve = lagrange_solve; update_model_description(surf_network_model_description, - surf_network_model_description_size, - "Vegas", - (surf_model_t) surf_network_model); + "Vegas", + (surf_model_t) surf_network_model); } #ifdef HAVE_SDP -void surf_network_model_init_SDP(const char *filename) + void surf_network_model_init_SDP(const char *filename) { if (surf_network_model) return; @@ -874,8 +880,7 @@ void surf_network_model_init_SDP(const char *filename) network_solve = sdp_solve; update_model_description(surf_network_model_description, - surf_network_model_description_size, - "SDP", - (surf_model_t) surf_network_model); + "SDP", + (surf_model_t) surf_network_model); } #endif