X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/31a16f5dcf3a065e5a54871593435375e8582ef0..69b85c9e1af02bcf07222b50ffbe83781b6027b2:/src/surf/network.c diff --git a/src/surf/network.c b/src/surf/network.c index 5b877ba15a..8a9c9cef29 100644 --- a/src/surf/network.c +++ b/src/surf/network.c @@ -7,387 +7,370 @@ #include "network_private.h" #include "xbt/log.h" +#include "xbt/str.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, - "Logging specific to the SURF network module"); + "Logging specific to the SURF network module"); -surf_network_resource_t surf_network_resource = NULL; +surf_model_t surf_network_model = NULL; static lmm_system_t network_maxmin_system = NULL; -static void (*network_solve)(lmm_system_t) = NULL; +static void (*network_solve) (lmm_system_t) = NULL; + +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; + + +static link_CM02_t net_link_new(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) +{ + 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); + + xbt_assert1(!xbt_dict_get_or_null(surf_network_model->resource_set, name), + "Link '%s' declared several times in the platform file.", name); -xbt_dict_t network_link_set = NULL; -xbt_dict_t network_card_set = NULL; - -int card_number = 0; -network_link_CM02_t **routing_table = NULL; -int *routing_table_size = NULL; -static network_link_CM02_t loopback = NULL; - -static void create_routing_table(void) -{ - routing_table = xbt_new0(network_link_CM02_t *, card_number * card_number); - routing_table_size = xbt_new0(int, card_number * card_number); -} - -static void network_link_free(void *nw_link) -{ - free(((network_link_CM02_t)nw_link)->name); - free(nw_link); -} - -static network_link_CM02_t network_link_new(char *name, - double bw_initial, - tmgr_trace_t bw_trace, - double lat_initial, - tmgr_trace_t lat_trace, - e_surf_network_link_state_t - state_initial, - tmgr_trace_t state_trace, - e_surf_network_link_sharing_policy_t policy) -{ - network_link_CM02_t nw_link = xbt_new0(s_network_link_CM02_t, 1); - - - nw_link->resource = (surf_resource_t) surf_network_resource; - nw_link->name = name; - nw_link->bw_current = bw_initial; - if (bw_trace) - nw_link->bw_event = - tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link); 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); - nw_link->state_current = state_initial; - if (state_trace) - nw_link->state_event = - tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link); + tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link); - nw_link->constraint = - lmm_constraint_new(network_maxmin_system, nw_link, nw_link->bw_current); + if (policy == SURF_LINK_FATPIPE) + lmm_constraint_shared(nw_link->lmm_resource.constraint); - if(policy == SURF_NETWORK_LINK_FATPIPE) - lmm_constraint_shared(nw_link->constraint); - - xbt_dict_set(network_link_set, name, nw_link, network_link_free); + xbt_dict_set(surf_network_model->resource_set, name, nw_link, + surf_resource_free); +#ifdef HAVE_TRACING + TRACE_surf_link_declaration (name, bw_initial, lat_initial); +#endif return nw_link; } -static void network_card_free(void *nw_card) -{ - free(((network_card_CM02_t)nw_card)->name); - free(nw_card); -} - -static int network_card_new(const char *card_name) -{ - network_card_CM02_t card = xbt_dict_get_or_null(network_card_set, card_name); - - if (!card) { - card = xbt_new0(s_network_card_CM02_t, 1); - card->name = xbt_strdup(card_name); - card->id = card_number++; - xbt_dict_set(network_card_set, card_name, card, network_card_free); - } - return card->id; -} - -static void route_new(int src_id, int dst_id, network_link_CM02_t *link_list, int nb_link) +static void net_parse_link_init(void) { - ROUTE_SIZE(src_id, dst_id) = nb_link; - ROUTE(src_id, dst_id) = link_list = xbt_realloc(link_list, sizeof(network_link_CM02_t) * nb_link); -} - -static void parse_network_link(void) -{ - char *name; + char *name_link; double bw_initial; tmgr_trace_t bw_trace; double lat_initial; tmgr_trace_t lat_trace; - e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON; - e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED; + e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON; + e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED; tmgr_trace_t state_trace; - name = xbt_strdup(A_surfxml_network_link_name); - surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth); - surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file); - surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency); - surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file); - - xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)|| - (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF), - "Invalid state"); - if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON) - state_initial = SURF_NETWORK_LINK_ON; - else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF) - state_initial = SURF_NETWORK_LINK_OFF; - - if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED) - policy_initial = SURF_NETWORK_LINK_SHARED; - else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE) - policy_initial = SURF_NETWORK_LINK_FATPIPE; - - surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file); - - network_link_new(name, bw_initial, bw_trace, - lat_initial, lat_trace, state_initial, state_trace, - policy_initial); -} + name_link = xbt_strdup(A_surfxml_link_id); + surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth); + bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file); + surf_parse_get_double(&lat_initial, A_surfxml_link_latency); + lat_trace = tmgr_trace_new(A_surfxml_link_latency_file); -static int nb_link; -static int link_list_capacity; -static network_link_CM02_t *link_list = NULL; -static int src_id = -1; -static int dst_id = -1; + xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON) + || (A_surfxml_link_state == + A_surfxml_link_state_OFF), "Invalid state"); + if (A_surfxml_link_state == A_surfxml_link_state_ON) + state_initial_link = SURF_RESOURCE_ON; + else if (A_surfxml_link_state == A_surfxml_link_state_OFF) + state_initial_link = SURF_RESOURCE_OFF; + + if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED) + policy_initial_link = SURF_LINK_SHARED; + else if (A_surfxml_link_sharing_policy == + A_surfxml_link_sharing_policy_FATPIPE) + policy_initial_link = SURF_LINK_FATPIPE; + + state_trace = tmgr_trace_new(A_surfxml_link_state_file); + + net_link_new(name_link, bw_initial, bw_trace, + lat_initial, lat_trace, state_initial_link, state_trace, + policy_initial_link, xbt_dict_new()); -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); - nb_link = 0; - link_list_capacity = 20; - link_list = xbt_new(network_link_CM02_t, link_list_capacity); } -static void parse_route_elem(void) +static void net_add_traces(void) { - if (nb_link == link_list_capacity) { - link_list_capacity *= 2; - link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_CM02_t)); + xbt_dict_cursor_t cursor = NULL; + char *trace_name, *elm; + + static int called = 0; + if (called) + return; + called = 1; + + /* connect all traces relative to network */ + xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) { + tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name); + link_CM02_t link = + xbt_dict_get_or_null(surf_network_model->resource_set, elm); + + xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined", + trace_name, elm); + xbt_assert2(trace, "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); } - link_list[nb_link++] = xbt_dict_get_or_null(network_link_set, A_surfxml_route_element_name); -} -static void parse_route_set_route(void) -{ - route_new(src_id, dst_id, link_list, nb_link); -} + xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) { + tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name); + link_CM02_t link = + xbt_dict_get_or_null(surf_network_model->resource_set, elm); -static void parse_file(const char *file) -{ - int i; + xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined", + trace_name, elm); + xbt_assert2(trace, "Cannot connect trace %s to link %s: trace undefined", + trace_name, elm); - /* Figuring out the network links */ - surf_parse_reset_parser(); - ETag_surfxml_network_link_fun=parse_network_link; - surf_parse_open(file); - xbt_assert1((!surf_parse()),"Parse error in %s",file); - surf_parse_close(); - - /* Figuring out the network cards used */ - surf_parse_reset_parser(); - STag_surfxml_route_fun=parse_route_set_endpoints; - surf_parse_open(file); - xbt_assert1((!surf_parse()),"Parse error in %s",file); - surf_parse_close(); - - create_routing_table(); - - /* Building the routes */ - surf_parse_reset_parser(); - STag_surfxml_route_fun=parse_route_set_endpoints; - ETag_surfxml_route_element_fun=parse_route_elem; - ETag_surfxml_route_fun=parse_route_set_route; - surf_parse_open(file); - xbt_assert1((!surf_parse()),"Parse error in %s",file); - surf_parse_close(); - - /* Adding loopback if needed */ - - for (i = 0; i < card_number; i++) - if(!ROUTE_SIZE(i,i)) { - if(!loopback) - loopback = network_link_new(xbt_strdup("__MSG_loopback__"), - 498000000, NULL, 0.000015, NULL, - SURF_NETWORK_LINK_ON, NULL, - SURF_NETWORK_LINK_FATPIPE); - ROUTE_SIZE(i,i)=1; - ROUTE(i,i) = xbt_new0(network_link_CM02_t, 1); - ROUTE(i,i)[0] = loopback; - } -} + link->lmm_resource.power.event = + tmgr_history_add_trace(history, trace, 0.0, 0, link); + } -static void *name_service(const char *name) -{ - network_card_CM02_t card = xbt_dict_get_or_null(network_card_set, name); - return card; + xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) { + tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name); + link_CM02_t link = + xbt_dict_get_or_null(surf_network_model->resource_set, elm); + + xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined", + trace_name, elm); + xbt_assert2(trace, "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); + } } -static const char *get_resource_name(void *resource_id) +static void net_define_callbacks(const char *file) { - return ((network_card_CM02_t) resource_id)->name; + /* Figuring out the network links */ + surfxml_add_callback(STag_surfxml_link_cb_list, &net_parse_link_init); + surfxml_add_callback(ETag_surfxml_platform_cb_list, &net_add_traces); } -static int resource_used(void *resource_id) +static int net_resource_used(void *resource_id) { return lmm_constraint_used(network_maxmin_system, - ((network_link_CM02_t) resource_id)->constraint); + ((surf_resource_lmm_t) resource_id)->constraint); } -static int action_free(surf_action_t action) +static int net_action_unref(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, ((surf_action_network_CM02_t)action)->variable); + if (((surf_action_network_CM02_t) action)->variable) + lmm_variable_free(network_maxmin_system, + ((surf_action_network_CM02_t) action)->variable); free(action); return 1; } return 0; } -static void action_use(surf_action_t action) -{ - action->using++; -} - -static void action_cancel(surf_action_t action) +static void net_action_cancel(surf_action_t action) { + surf_network_model->action_state_set((surf_action_t) action, + SURF_ACTION_FAILED); return; } -static void action_recycle(surf_action_t action) +static void net_action_recycle(surf_action_t action) { return; } -static void action_change_state(surf_action_t action, - e_surf_action_state_t state) +static double net_action_get_remains(surf_action_t action) { -/* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */ -/* if(((surf_action_network_CM02_t)action)->variable) { */ -/* lmm_variable_disable(network_maxmin_system, ((surf_action_network_CM02_t)action)->variable); */ -/* ((surf_action_network_CM02_t)action)->variable = NULL; */ -/* } */ - - surf_action_change_state(action, state); - return; + return action->remains; } -static double share_resources(double now) +static double net_share_resources(double now) { s_surf_action_network_CM02_t s_action; surf_action_network_CM02_t action = NULL; - xbt_swag_t running_actions = surf_network_resource->common_public->states.running_action_set; + xbt_swag_t running_actions = surf_network_model->states.running_action_set; double min; - - min = generic_maxmin_share_resources2(running_actions, - xbt_swag_offset(s_action, variable), - network_maxmin_system, network_solve); + + min = generic_maxmin_share_resources(running_actions, + xbt_swag_offset(s_action, + variable), + network_maxmin_system, network_solve); + +#define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) ))) xbt_swag_foreach(action, running_actions) { - if(action->latency>0) { - if(min<0) min = action->latency; - else if (action->latencylatency; + if (action->latency > 0) { + if (min < 0) + min = action->latency; + else if (action->latency < min) + min = action->latency; } } return min; } -static void update_actions_state(double now, double delta) +static void net_update_actions_state(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_resource->common_public->states.running_action_set; + xbt_swag_t running_actions = surf_network_model->states.running_action_set; /* - xbt_swag_t failed_actions = - surf_network_resource->common_public->states.failed_action_set; - */ + xbt_swag_t failed_actions = + surf_network_model->states.failed_action_set; + */ xbt_swag_foreach_safe(action, next_action, running_actions) { + +#ifdef HAVE_TRACING + xbt_dynar_t route = used_routing->get_route(action->src, action->dst); + 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, lmm_variable_getvalue(action->variable), now-delta, delta); + } +#endif + deltap = delta; if (action->latency > 0) { if (action->latency > deltap) { - double_update(&(action->latency),deltap); - deltap = 0.0; + double_update(&(action->latency), deltap); + deltap = 0.0; } else { - double_update(&(deltap), action->latency); - action->latency = 0.0; + 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->lat_current); + if ((action->latency == 0.0) && !(action->suspended)) + lmm_update_variable_weight(network_maxmin_system, action->variable, + action->weight); } double_update(&(action->generic_action.remains), - lmm_variable_getvalue(action->variable) * deltap); + 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<.00001) action->generic_action.remains=0; */ - - if ((action->generic_action.remains <= 0) && - (lmm_get_variable_weight(action->variable)>0)) { + if ((action->generic_action.remains <= 0) && + (lmm_get_variable_weight(action->variable) > 0)) { action->generic_action.finish = surf_get_clock(); - action_change_state((surf_action_t) action, SURF_ACTION_DONE); - } else if ((action->generic_action.max_duration != NO_MAX_DURATION) && - (action->generic_action.max_duration <= 0)) { + surf_network_model->action_state_set((surf_action_t) action, + SURF_ACTION_DONE); + } else if ((action->generic_action.max_duration != NO_MAX_DURATION) + && (action->generic_action.max_duration <= 0)) { action->generic_action.finish = surf_get_clock(); - action_change_state((surf_action_t) action, SURF_ACTION_DONE); - } else { /* Need to check that none of the resource has failed */ - lmm_constraint_t cnst = NULL; - int i = 0; - network_link_CM02_t nw_link = NULL; - - while ((cnst = - lmm_get_cnst_from_var(network_maxmin_system, action->variable, - i++))) { - nw_link = lmm_constraint_id(cnst); - if (nw_link->state_current == SURF_NETWORK_LINK_OFF) { - action->generic_action.finish = surf_get_clock(); - action_change_state((surf_action_t) action, SURF_ACTION_FAILED); - break; - } - } + surf_network_model->action_state_set((surf_action_t) action, + SURF_ACTION_DONE); } } return; } -static void update_resource_state(void *id, - tmgr_trace_event_t event_type, - double value) +static void net_update_resource_state(void *id, + tmgr_trace_event_t event_type, + double value, double date) { - network_link_CM02_t nw_link = id; + link_CM02_t nw_link = id; /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */ - /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */ - /* value, event_type); */ + /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */ + /* value, event_type); */ + + 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); + lmm_variable_t var = NULL; + lmm_element_t elem = NULL; + surf_action_network_CM02_t action = NULL; - 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); + 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)); +#ifdef HAVE_TRACING + TRACE_surf_link_set_bandwidth (date, 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); + } + } + if (tmgr_trace_event_free(event_type)) + nw_link->lmm_resource.power.event = NULL; } else if (event_type == nw_link->lat_event) { double delta = value - nw_link->lat_current; lmm_variable_t var = NULL; + lmm_element_t elem = NULL; surf_action_network_CM02_t action = NULL; nw_link->lat_current = value; - while (lmm_get_var_from_cnst(network_maxmin_system, nw_link->constraint, &var)) { + while ((var = lmm_get_var_from_cnst + (network_maxmin_system, nw_link->lmm_resource.constraint, + &elem))) { action = lmm_variable_id(var); action->lat_current += delta; - if(action->rate<0) - lmm_update_variable_bound(network_maxmin_system, action->variable, - SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)); - else - lmm_update_variable_bound(network_maxmin_system, action->variable, - min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current))); - 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); + action->weight += delta; + if (action->rate < 0) + lmm_update_variable_bound(network_maxmin_system, 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->suspended)) + lmm_update_variable_weight(network_maxmin_system, action->variable, + action->weight); + } - } else if (event_type == nw_link->state_event) { + if (tmgr_trace_event_free(event_type)) + nw_link->lat_event = NULL; + } else if (event_type == nw_link->lmm_resource.state_event) { if (value > 0) - nw_link->state_current = SURF_NETWORK_LINK_ON; - else - nw_link->state_current = SURF_NETWORK_LINK_OFF; + nw_link->lmm_resource.state_current = SURF_RESOURCE_ON; + else { + lmm_constraint_t cnst = nw_link->lmm_resource.constraint; + lmm_variable_t var = NULL; + lmm_element_t elem = NULL; + + 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); + } + } + } + if (tmgr_trace_event_free(event_type)) + nw_link->lmm_resource.state_event = NULL; } else { CRITICAL0("Unknown event ! \n"); xbt_abort(); @@ -396,219 +379,212 @@ static void update_resource_state(void *id, return; } -static surf_action_t communicate(void *src, void *dst, double size, double rate) +static surf_action_t net_communicate(const char *src_name, const char *dst_name, + int src, int dst, double size, double rate) { surf_action_network_CM02_t action = NULL; - network_card_CM02_t card_src = src; - network_card_CM02_t card_dst = dst; - int route_size = ROUTE_SIZE(card_src->id, card_dst->id); - network_link_CM02_t *route = ROUTE(card_src->id, card_dst->id); - int i; - - XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate); - xbt_assert2(route_size,"You're trying to send data from %s to %s but there is no connexion between these two cards.", card_src->name, card_dst->name); - - action = xbt_new0(s_surf_action_network_CM02_t, 1); - - action->generic_action.using = 1; - action->generic_action.cost = size; - action->generic_action.remains = size; - action->generic_action.max_duration = NO_MAX_DURATION; - action->generic_action.start = surf_get_clock(); - action->generic_action.finish = -1.0; - action->generic_action.resource_type = - (surf_resource_t) surf_network_resource; - action->suspended = 0; /* Should be useless because of the - calloc but it seems to help valgrind... */ - action->generic_action.state_set = - surf_network_resource->common_public->states.running_action_set; + /* LARGE PLATFORMS HACK: + Add a link_CM02_t *link and a int link_nb to network_card_CM02_t. It will represent local links for this node + Use the cluster_id for ->id */ + xbt_dynar_t route = used_routing->get_route(src, dst); + /* LARGE PLATFORMS HACK: + total_route_size = route_size + src->link_nb + dst->nb */ + unsigned int i; + + XBT_IN4("(%s,%s,%g,%g)", src_name, dst_name, size, rate); + /* LARGE PLATFORMS HACK: + assert on total_route_size */ + xbt_assert2(xbt_dynar_length(route), + "You're trying to send data from %s to %s but there is no connection between these two hosts.", + src_name, dst_name); + + link_CM02_t link; + int failed = 0; + xbt_dynar_foreach(route, i, link) { + if (link->lmm_resource.state_current == SURF_RESOURCE_OFF) { + failed = 1; + break; + } + } + action = + surf_action_new(sizeof(s_surf_action_network_CM02_t), size, + surf_network_model, failed); xbt_swag_insert(action, action->generic_action.state_set); action->rate = rate; action->latency = 0.0; - for (i = 0; i < route_size; i++) - action->latency += route[i]->lat_current; + action->weight = 0.0; + xbt_dynar_foreach(route, i, link) { + action->latency += link->lat_current; + action->weight += + link->lat_current + + sg_weight_S_parameter / + (link->lmm_resource.power.peak * link->lmm_resource.power.scale); + } + /* LARGE PLATFORMS HACK: + Add src->link and dst->link latencies */ action->lat_current = action->latency; - - if(action->latency>0) - action->variable = lmm_variable_new(network_maxmin_system, action, 0.0, -1.0, - route_size); - else - action->variable = lmm_variable_new(network_maxmin_system, action, 1.0, -1.0, - route_size); - - if(action->rate<0) { - if(action->lat_current>0) + action->latency *= sg_latency_factor; + + /* LARGE PLATFORMS HACK: + lmm_variable_new(..., total_route_size) */ + if (action->latency > 0) + action->variable = + lmm_variable_new(network_maxmin_system, action, 0.0, -1.0, + xbt_dynar_length(route)); + else + action->variable = + lmm_variable_new(network_maxmin_system, action, 1.0, -1.0, + xbt_dynar_length(route)); + + if (action->rate < 0) { + if (action->lat_current > 0) lmm_update_variable_bound(network_maxmin_system, action->variable, - SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)); + sg_tcp_gamma / (2.0 * action->lat_current)); else - lmm_update_variable_bound(network_maxmin_system, action->variable, -1.0); + lmm_update_variable_bound(network_maxmin_system, action->variable, + -1.0); } else { - if(action->lat_current>0) + if (action->lat_current > 0) lmm_update_variable_bound(network_maxmin_system, action->variable, - min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current))); + min(action->rate, + sg_tcp_gamma / (2.0 * + action->lat_current))); else - lmm_update_variable_bound(network_maxmin_system, action->variable, action->rate); + lmm_update_variable_bound(network_maxmin_system, action->variable, + action->rate); } - lmm_update_variable_latency(maxmin_system, action->variable, action->latency); - for (i = 0; i < route_size; i++) - lmm_expand(network_maxmin_system, route[i]->constraint, action->variable, 1.0); - XBT_OUT; + xbt_dynar_foreach(route, i, link) { + lmm_expand(network_maxmin_system, link->lmm_resource.constraint, + action->variable, 1.0); + } + /* LARGE PLATFORMS HACK: + expand also with src->link and dst->link */ - return (surf_action_t) action; -} + /* saving the src and dst of this communication */ + action->src = src; + action->dst = dst; -/* returns an array of network_link_CM02_t */ -static const void** get_route(void *src, void *dst) { - network_card_CM02_t card_src = src; - network_card_CM02_t card_dst = dst; - return (const void**) ROUTE(card_src->id, card_dst->id); -} + XBT_OUT; -static int get_route_size(void *src, void *dst) { - network_card_CM02_t card_src = src; - network_card_CM02_t card_dst = dst; - return ROUTE_SIZE(card_src->id, card_dst->id); + return (surf_action_t) action; } -static const char *get_link_name(const void *link) { - return ((network_link_CM02_t) link)->name; +static double net_get_link_bandwidth(const void *link) +{ + surf_resource_lmm_t lmm = (surf_resource_lmm_t) link; + return lmm->power.peak * lmm->power.scale; } -static double get_link_bandwidth(const void *link) { - return ((network_link_CM02_t) link)->bw_current; +static double net_get_link_latency(const void *link) +{ + return ((link_CM02_t) link)->lat_current; } -static double get_link_latency(const void *link) { - return ((network_link_CM02_t) link)->lat_current; +static int net_link_shared(const void *link) +{ + return lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint); } -static void action_suspend(surf_action_t action) +static void net_action_suspend(surf_action_t action) { ((surf_action_network_CM02_t) action)->suspended = 1; lmm_update_variable_weight(network_maxmin_system, - ((surf_action_network_CM02_t) action)->variable, 0.0); + ((surf_action_network_CM02_t) action)->variable, + 0.0); } -static void action_resume(surf_action_t action) +static void net_action_resume(surf_action_t action) { - if(((surf_action_network_CM02_t) action)->suspended) { + 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)->lat_current); + ((surf_action_network_CM02_t) + action)->variable, + ((surf_action_network_CM02_t) action)->weight); ((surf_action_network_CM02_t) action)->suspended = 0; } } -static int action_is_suspended(surf_action_t action) +static int net_action_is_suspended(surf_action_t action) { return ((surf_action_network_CM02_t) action)->suspended; } -static void action_set_max_duration(surf_action_t action, double duration) +static void net_action_set_max_duration(surf_action_t action, double duration) { action->max_duration = duration; } -static void finalize(void) +static void net_finalize(void) { - int i,j; - - xbt_dict_free(&network_card_set); - xbt_dict_free(&network_link_set); - xbt_swag_free(surf_network_resource->common_public->states. - ready_action_set); - xbt_swag_free(surf_network_resource->common_public->states. - running_action_set); - xbt_swag_free(surf_network_resource->common_public->states. - failed_action_set); - xbt_swag_free(surf_network_resource->common_public->states. - done_action_set); - free(surf_network_resource->common_public); - free(surf_network_resource->common_private); - free(surf_network_resource->extension_public); - - free(surf_network_resource); - surf_network_resource = NULL; - - loopback = NULL; - for (i = 0; i < card_number; i++) - for (j = 0; j < card_number; j++) - free(ROUTE(i,j)); - free(routing_table); - routing_table = NULL; - free(routing_table_size); - routing_table_size = NULL; - card_number = 0; + surf_model_exit(surf_network_model); + surf_network_model = NULL; + + used_routing->finalize(); + lmm_system_free(network_maxmin_system); + network_maxmin_system = NULL; } -static void surf_network_resource_init_internal(void) +static void surf_network_model_init_internal(void) { - s_surf_action_t action; - - surf_network_resource = xbt_new0(s_surf_network_resource_t, 1); - - surf_network_resource->common_private = - xbt_new0(s_surf_resource_private_t, 1); - surf_network_resource->common_public = - xbt_new0(s_surf_resource_public_t, 1); - surf_network_resource->extension_public = - xbt_new0(s_surf_network_resource_extension_public_t, 1); - - surf_network_resource->common_public->states.ready_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_resource->common_public->states.running_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_resource->common_public->states.failed_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_resource->common_public->states.done_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - - surf_network_resource->common_public->name_service = name_service; - surf_network_resource->common_public->get_resource_name = - get_resource_name; - surf_network_resource->common_public->action_get_state = - surf_action_get_state; - surf_network_resource->common_public->action_get_start_time = - surf_action_get_start_time; - surf_network_resource->common_public->action_get_finish_time = - surf_action_get_finish_time; - surf_network_resource->common_public->action_free = action_free; - surf_network_resource->common_public->action_use = action_use; - surf_network_resource->common_public->action_cancel = action_cancel; - surf_network_resource->common_public->action_recycle = action_recycle; - surf_network_resource->common_public->action_change_state = - action_change_state; - surf_network_resource->common_public->action_set_data = surf_action_set_data; - surf_network_resource->common_public->name = "network"; - - surf_network_resource->common_private->resource_used = resource_used; - surf_network_resource->common_private->share_resources = share_resources; - surf_network_resource->common_private->update_actions_state = - update_actions_state; - surf_network_resource->common_private->update_resource_state = - update_resource_state; - surf_network_resource->common_private->finalize = finalize; - - surf_network_resource->common_public->suspend = action_suspend; - surf_network_resource->common_public->resume = action_resume; - surf_network_resource->common_public->is_suspended = action_is_suspended; - surf_cpu_resource->common_public->set_max_duration = action_set_max_duration; - - surf_network_resource->extension_public->communicate = communicate; - surf_network_resource->extension_public->get_route = get_route; - surf_network_resource->extension_public->get_route_size = get_route_size; - surf_network_resource->extension_public->get_link_name = get_link_name; - surf_network_resource->extension_public->get_link_bandwidth = get_link_bandwidth; - surf_network_resource->extension_public->get_link_latency = get_link_latency; - - network_link_set = xbt_dict_new(); - network_card_set = xbt_dict_new(); - - if(!network_maxmin_system) + surf_network_model = surf_model_init(); + + 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_recycle = net_action_recycle; + surf_network_model->get_remains = net_action_get_remains; + + surf_network_model->model_private->resource_used = net_resource_used; + surf_network_model->model_private->share_resources = net_share_resources; + surf_network_model->model_private->update_actions_state = + net_update_actions_state; + 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->extension.network.communicate = net_communicate; + surf_network_model->extension.network.get_link_bandwidth = + net_get_link_bandwidth; + surf_network_model->extension.network.get_link_latency = net_get_link_latency; + surf_network_model->extension.network.link_shared = net_link_shared; + + if (!network_maxmin_system) network_maxmin_system = lmm_system_new(); + + routing_model_create(sizeof(link_CM02_t), + net_link_new(xbt_strdup("__loopback__"), + 498000000, NULL, 0.000015, NULL, + SURF_RESOURCE_ON, NULL, SURF_LINK_FATPIPE, + NULL)); +} + +/************************************************************************/ +/* 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(); + net_define_callbacks(filename); + xbt_dynar_push(model_list, &surf_network_model); + network_solve = lmm_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); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S", 8775); + + update_model_description(surf_network_model_description, + "LV08", surf_network_model); } /***************************************************************************/ @@ -622,52 +598,76 @@ static void surf_network_resource_init_internal(void) /* month = {oct}, */ /* year = {2002} */ /* } */ -void surf_network_resource_init_CM02(const char *filename) +void surf_network_model_init_CM02(const char *filename) { - if (surf_network_resource) + + if (surf_network_model) return; - surf_network_resource_init_internal(); - parse_file(filename); - xbt_dynar_push(resource_list, &surf_network_resource); + surf_network_model_init_internal(); + net_define_callbacks(filename); + xbt_dynar_push(model_list, &surf_network_model); network_solve = lmm_solve; + + update_model_description(surf_network_model_description, + "CM02", surf_network_model); } -void surf_network_resource_init_Reno(const char *filename) +void surf_network_model_init_Reno(const char *filename) { - if (surf_network_resource) + if (surf_network_model) return; - surf_network_resource_init_internal(); - parse_file(filename); + surf_network_model_init_internal(); + net_define_callbacks(filename); + xbt_dynar_push(model_list, &surf_network_model); lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi); network_solve = lagrange_solve; - xbt_dynar_push(resource_list, &surf_network_resource); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/latency_factor", 10.4); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/bandwidth_factor", 0.92); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S", 8775); + + update_model_description(surf_network_model_description, + "Reno", surf_network_model); } -void surf_network_resource_init_Vegas(const char *filename) + +void surf_network_model_init_Reno2(const char *filename) { - if (surf_network_resource) + if (surf_network_model) return; - surf_network_resource_init_internal(); - parse_file(filename); + surf_network_model_init_internal(); + net_define_callbacks(filename); - lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi); + xbt_dynar_push(model_list, &surf_network_model); + lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, + func_reno2_fpi); network_solve = lagrange_solve; - xbt_dynar_push(resource_list, &surf_network_resource); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/latency_factor", 10.4); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/bandwidth_factor", 0.92); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S_parameter", 8775); + + update_model_description(surf_network_model_description, + "Reno2", surf_network_model); } -#ifdef HAVE_SDP -void surf_network_resource_init_SDP(const char *filename) +void surf_network_model_init_Vegas(const char *filename) { - if (surf_network_resource) + if (surf_network_model) return; - surf_network_resource_init_internal(); - parse_file(filename); + surf_network_model_init_internal(); + net_define_callbacks(filename); - network_solve = sdp_solve; + xbt_dynar_push(model_list, &surf_network_model); + lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, + 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); + xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S", 8775); - xbt_dynar_push(resource_list, &surf_network_resource); + update_model_description(surf_network_model_description, + "Vegas", surf_network_model); } -#endif