X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d25ee31741e8dd64436721b11fe82a0969f369cf..f783ed4680c6862a1b7543237e89d1221334bae0:/src/surf/network.c diff --git a/src/surf/network.c b/src/surf/network.c index d8e4e4f632..e22c2b6d37 100644 --- a/src/surf/network.c +++ b/src/surf/network.c @@ -1,521 +1,1005 @@ -/* $Id$ */ - -/* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */ +/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ #include "network_private.h" +#include "xbt/log.h" +#include "xbt/str.h" -#define SG_TCP_CTE_GAMMA 20000.0 +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, + "Logging specific to the SURF network module"); -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(network, surf, - "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; -surf_network_resource_t surf_network_resource = NULL; +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 */ -static xbt_dict_t network_link_set = NULL; -xbt_dict_t network_card_set = NULL; +double sg_tcp_gamma = 0.0; +int sg_network_fullduplex = 0; -static int card_number = 0; -static network_link_t **routing_table = NULL; -static int *routing_table_size = NULL; +xbt_dict_t gap_lookup = NULL; -#define ROUTE(i,j) routing_table[(i)+(j)*card_number] -#define ROUTE_SIZE(i,j) routing_table_size[(i)+(j)*card_number] +static double net_get_link_bandwidth(const void *link); -static void create_routing_table(void) -{ - routing_table = xbt_new0(network_link_t *, card_number * card_number); - routing_table_size = xbt_new0(int, card_number * card_number); +static void gap_append(double size, const link_CM02_t link, surf_action_network_CM02_t action) { + const char* src = link->lmm_resource.generic_resource.name; + xbt_fifo_t fifo; + surf_action_network_CM02_t last_action; + double bw; + + if(sg_sender_gap > 0.0) { + if(!gap_lookup) { + gap_lookup = xbt_dict_new(); + } + fifo = (xbt_fifo_t)xbt_dict_get_or_null(gap_lookup, src); + action->sender.gap = 0.0; + 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)); + bw = net_get_link_bandwidth(link); + action->sender.gap = last_action->sender.gap + 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); + if(!fifo) { + fifo = xbt_fifo_new(); + xbt_dict_set(gap_lookup, action->sender.link_name, fifo, NULL); + } + action->sender.fifo_item = xbt_fifo_push(fifo, action); + action->sender.size = size; + } } -static void network_link_free(void *nw_link) -{ - xbt_free(nw_link); +static void gap_unknown(surf_action_network_CM02_t action) { + action->sender.gap = 0.0; + action->sender.link_name = NULL; + action->sender.fifo_item = NULL; + action->sender.size = 0.0; +} + +static void gap_remove(surf_action_network_CM02_t action) { + xbt_fifo_t fifo; + size_t size; + + 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_remove_item(fifo, action->sender.fifo_item); + size = xbt_fifo_size(fifo); + if(size == 0) { + xbt_fifo_free(fifo); + xbt_dict_remove(gap_lookup, action->sender.link_name); + size = xbt_dict_size(gap_lookup); + if(size == 0) { + xbt_dict_free(&gap_lookup); + } + } + } } -static network_link_t network_link_new(const 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) +/******************************************************************************/ +/* Factors callbacks */ +/******************************************************************************/ +static double constant_latency_factor(double size) { - network_link_t nw_link = xbt_new0(s_network_link_t, 1); + return sg_latency_factor; +} +static double constant_bandwidth_factor(double size) +{ + return sg_bandwidth_factor; +} - 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); +static double constant_bandwidth_constraint(double rate, double bound, + double size) +{ + return rate; +} - nw_link->constraint = - lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current); +/**********************/ +/* SMPI callbacks */ +/**********************/ +static double smpi_latency_factor(double size) +{ + /* 1 B <= size <= 1 KiB */ + if (size <= 1024.0) { + return 1.0056; + } - xbt_dict_set(network_link_set, name, nw_link, network_link_free); + /* 2 KiB <= size <= 32 KiB */ + if (size <= 32768.0) { + return 1.8805; + } - return nw_link; + /* 64 KiB <= size <= 4 MiB */ + return 22.7111; } -static int network_card_new(const char *card_name) +static double smpi_bandwidth_factor(double size) { - network_card_t card = NULL; - - xbt_dict_get(network_card_set, card_name, (void *) &card); + /* 1 B <= size <= 1 KiB */ + if (size <= 1024.0) { + return 0.2758; + } - if (!card) { - card = xbt_new0(s_network_card_t, 1); - card->name = xbt_strdup(card_name); - card->id = card_number++; - xbt_dict_set(network_card_set, card_name, card, NULL); + /* 2 KiB <= size <= 32 KiB */ + if (size <= 32768.0) { + return 0.5477; } - return card->id; + + /* 64 KiB <= size <= 4 MiB */ + return 0.9359; } -static void route_new(int src_id, int dst_id, char **links, int nb_link) +static double smpi_bandwidth_constraint(double rate, double bound, + double size) { - network_link_t *link_list = NULL; - int i; + return rate < 0 ? bound : min(bound, rate * smpi_bandwidth_factor(size)); +} - ROUTE_SIZE(src_id, dst_id) = nb_link; - link_list = (ROUTE(src_id, dst_id) = xbt_new0(network_link_t, nb_link)); - for (i = 0; i < nb_link; i++) { - xbt_dict_get(network_link_set, links[i], (void *) &(link_list[i])); - xbt_free(links[i]); - } - xbt_free(links); + +static double (*latency_factor_callback) (double) = + &constant_latency_factor; +static double (*bandwidth_factor_callback) (double) = + &constant_bandwidth_factor; +static double (*bandwidth_constraint_callback) (double, double, double) = + &constant_bandwidth_constraint; + + +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_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL), + "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); + + if (policy == SURF_LINK_FATPIPE) + lmm_constraint_shared(nw_link->lmm_resource.constraint); + + xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link); + + return nw_link; } -/* - Semantic: name initial bandwidth initial latency initial state - bandwidth trace latency trace state trace - - Token: TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD - Type: string double string double string ON/OFF string -*/ -static void parse_network_link(void) +static void net_parse_link_init(void) { - e_surf_token_t token; - 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; + 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(surf_parse_text); - - surf_parse_double(&bw_initial); - surf_parse_trace(&bw_trace); - surf_parse_double(&lat_initial); - surf_parse_trace(&lat_trace); - - token = surf_parse(); /* state_initial */ - xbt_assert1((token == TOKEN_WORD), "Parse error line %d", line_pos); - if (strcmp(surf_parse_text, "ON") == 0) - state_initial = SURF_NETWORK_LINK_ON; - else if (strcmp(surf_parse_text, "OFF") == 0) - state_initial = SURF_NETWORK_LINK_OFF; - else { - CRITICAL2("Invalid cpu state (line %d): %s neq ON or OFF\n", line_pos, - surf_parse_text); - xbt_abort(); + XBT_DEBUG("link_CM02"); + 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); + + xbt_assert((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; + else if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX) + policy_initial_link = SURF_LINK_FULLDUPLEX; + } + + state_trace = tmgr_trace_new(A_surfxml_link_state_file); + + if(policy_initial_link == SURF_LINK_FULLDUPLEX) + { + net_link_new(bprintf("%s_UP",name_link), bw_initial, bw_trace, + lat_initial, lat_trace, state_initial_link, state_trace, + policy_initial_link, xbt_dict_new()); + net_link_new(bprintf("%s_DOWN",name_link), bw_initial, bw_trace, + lat_initial, lat_trace, state_initial_link, state_trace, + policy_initial_link, xbt_dict_new()); + } + else + { + net_link_new(name_link, bw_initial, bw_trace, + lat_initial, lat_trace, state_initial_link, state_trace, + policy_initial_link, xbt_dict_new()); } - surf_parse_trace(&state_trace); - - network_link_new(name, bw_initial, bw_trace, - lat_initial, lat_trace, state_initial, state_trace); } -/* - Semantic: source destination network - links - - Token: TOKEN_WORD TOKEN_WORD TOKEN_LP TOKEN_WORD* TOKEN_RP - Type: string string string -*/ -static void parse_route(int fake) +static void net_create_resource(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) { - int src_id = -1; - int dst_id = -1; - int nb_link = 0; - char **link_name = NULL; - e_surf_token_t token; - - src_id = network_card_new(surf_parse_text); - - token = surf_parse(); - xbt_assert1((token == TOKEN_WORD), "Parse error line %d", line_pos); - dst_id = network_card_new(surf_parse_text); - - token = surf_parse(); - xbt_assert1((token == TOKEN_LP), "Parse error line %d", line_pos); - - while ((token = surf_parse()) == TOKEN_WORD) { - if (!fake) { - nb_link++; - link_name = xbt_realloc(link_name, (nb_link) * sizeof(char *)); - link_name[(nb_link) - 1] = xbt_strdup(surf_parse_text); - } - } - xbt_assert1((token == TOKEN_RP), "Parse error line %d", line_pos); - - if (!fake) - route_new(src_id, dst_id, link_name, nb_link); + net_link_new(name, bw_initial, bw_trace, + lat_initial, lat_trace, state_initial, state_trace, + policy, xbt_dict_new()); } -static void parse_file(const char *file) +static void net_add_traces(void) { - e_surf_token_t token; + xbt_dict_cursor_t cursor = NULL; + char *trace_name, *elm; - /* Figuring out the network links in the system */ - find_section(file, "NETWORK"); - while (1) { - token = surf_parse(); - - if (token == TOKEN_END_SECTION) - break; - if (token == TOKEN_NEWLINE) - continue; - - if (token == TOKEN_WORD) - parse_network_link(); - else { - CRITICAL1("Parse error line %d\n", line_pos); - xbt_abort(); - } + 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_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); + xbt_assert(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); } - close_section("NETWORK"); - /* Figuring out the network cards used */ - find_section(file, "ROUTE"); - while (1) { - token = surf_parse(); + 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_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL); - if (token == TOKEN_END_SECTION) - break; - if (token == TOKEN_NEWLINE) - continue; + xbt_assert(link, "Cannot connect trace %s to link %s: link undefined", + trace_name, elm); + xbt_assert(trace, + "Cannot connect trace %s to link %s: trace undefined", + trace_name, elm); - if (token == TOKEN_WORD) - parse_route(1); - else { - CRITICAL1("Parse error line %d\n", line_pos); - xbt_abort(); - } + link->lmm_resource.power.event = + tmgr_history_add_trace(history, trace, 0.0, 0, link); } - close_section("ROUTE"); - create_routing_table(); + 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_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL); - /* Building the routes */ - find_section(file, "ROUTE"); - while (1) { - token = surf_parse(); + xbt_assert(link, "Cannot connect trace %s to link %s: link undefined", + trace_name, elm); + xbt_assert(trace, + "Cannot connect trace %s to link %s: trace undefined", + trace_name, elm); - if (token == TOKEN_END_SECTION) - break; - if (token == TOKEN_NEWLINE) - continue; - - if (token == TOKEN_WORD) - parse_route(0); - else { - CRITICAL1("Parse error line %d\n", line_pos); - xbt_abort(); - } + link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); } - close_section("ROUTE"); } -static void *name_service(const char *name) +static void net_define_callbacks(const char *file) { - network_card_t card = NULL; - - xbt_dict_get(network_card_set, name, (void *) &card); - - return card; + /* 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 const char *get_resource_name(void *resource_id) +static int net_resource_used(void *resource_id) { - return ((network_card_t) resource_id)->name; + return lmm_constraint_used(network_maxmin_system, + ((surf_resource_lmm_t) + resource_id)->constraint); } -static int resource_used(void *resource_id) +static int net_action_unref(surf_action_t action) { - return lmm_constraint_used(maxmin_system, - ((network_link_t) resource_id)->constraint); + 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); +#ifdef HAVE_TRACING + xbt_free(((surf_action_network_CM02_t) action)->src_name); + xbt_free(((surf_action_network_CM02_t) action)->dst_name); + if (action->category) + xbt_free(action->category); +#endif + surf_action_free(&action); + return 1; + } + return 0; } -static void action_free(surf_action_t action) +static void net_action_cancel(surf_action_t action) { - surf_action_network_t Action = (surf_action_network_t) action; - - xbt_swag_remove(action, action->state_set); - lmm_variable_free(maxmin_system, Action->variable); - xbt_free(action); - - return; + surf_network_model->action_state_set(action, SURF_ACTION_FAILED); } -static void action_cancel(surf_action_t action) +void net_action_recycle(surf_action_t action) { return; } -static void action_recycle(surf_action_t action) +#ifdef HAVE_LATENCY_BOUND_TRACKING +int net_get_link_latency_limited(surf_action_t action) { - return; + return action->latency_limited; } +#endif -static void action_change_state(surf_action_t action, - e_surf_action_state_t state) +double net_action_get_remains(surf_action_t action) { - 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_t action; - return generic_maxmin_share_resources(surf_network_resource-> - common_public->states. - running_action_set, - xbt_swag_offset(action, variable)); -} + s_surf_action_network_CM02_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); + +#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; + } else { + (action->generic_action).latency_limited = 0; + } +#endif + if (action->latency > 0) { + if (min < 0) + min = action->latency; + else if (action->latency < min) + min = action->latency; + } + } + XBT_DEBUG("Min of share resources %f", min); -static void update_actions_state(double now, double delta) + return min; +} + +static void net_update_actions_state(double now, double delta) { double deltap = 0.0; - surf_action_network_t action = NULL; - surf_action_network_t next_action = NULL; + 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 failed_actions = - surf_network_resource->common_public->states.failed_action_set; + 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) { - action->latency -= deltap; - deltap = 0.0; + double_update(&(action->latency), deltap); + deltap = 0.0; } else { - 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->weight); + } +#ifdef HAVE_TRACING + if (TRACE_is_enabled()) { + xbt_dynar_t route = global_routing->get_route(action->src_name, + action->dst_name); + 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); } } - action->generic_action.remains -= - lmm_variable_getvalue(action->variable) * deltap; +#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) - action->generic_action.max_duration -= delta; - -/* if(action->generic_action.remains<.00001) action->generic_action.remains=0; */ + double_update(&(action->generic_action.max_duration), delta); - if (action->generic_action.remains <= 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); + 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(); - 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_t nw_link = NULL; - - while ((cnst = - lmm_get_cnst_from_var(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); + gap_remove(action); } } - xbt_swag_foreach_safe(action, next_action, failed_actions) { - lmm_variable_disable(maxmin_system, action->variable); - } - 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_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); */ - - if (event_type == nw_link->bw_event) { - nw_link->bw_current = value; - lmm_update_constraint_bound(maxmin_system, nw_link->constraint, - nw_link->bw_current); + 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); */ + + 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; + + 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; - surf_action_network_t action = NULL; + lmm_element_t elem = NULL; + surf_action_network_CM02_t action = NULL; nw_link->lat_current = value; - while (lmm_get_var_from_cnst(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; - lmm_update_variable_bound(maxmin_system, var, - 1 / (action->lat_current)); + 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->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); + } - } 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_CRITICAL("Unknown event ! \n"); xbt_abort(); } return; } -static surf_action_t communicate(void *src, void *dst, double size) + +static surf_action_t net_communicate(const char *src_name, + const char *dst_name, double size, + double rate) { - surf_action_network_t action = NULL; - network_card_t card_src = src; - network_card_t card_dst = dst; - int route_size = ROUTE_SIZE(card_src->id, card_dst->id); - network_link_t *route = ROUTE(card_src->id, card_dst->id); - int i; + unsigned int i; + link_CM02_t link; + int failed = 0; + surf_action_network_CM02_t action = NULL; + double bandwidth_bound; + double latency=0.0; + /* 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 back_route = NULL; + int constraints_per_variable = 0; + xbt_dynar_t route; + // I will need this route for some time so require for no cleanup + global_routing->get_route_latency(src_name, dst_name, &route, &latency, 0); + + if (sg_network_fullduplex == 1) { + back_route = global_routing->get_route(dst_name, src_name); + } - action = xbt_new0(s_surf_action_network_t, 1); + /* LARGE PLATFORMS HACK: + total_route_size = route_size + src->link_nb + dst->nb */ - action->generic_action.cost = size; - action->generic_action.remains = size; - action->generic_action.max_duration = NO_MAX_DURATION; - action->generic_action.start = -1.0; - action->generic_action.finish = -1.0; - action->generic_action.callback = NULL; - action->generic_action.resource_type = - (surf_resource_t) surf_network_resource; + XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate); + /* LARGE PLATFORMS HACK: + assert on total_route_size */ + xbt_assert(xbt_dynar_length(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); - action->generic_action.state_set = - surf_network_resource->common_public->states.running_action_set; + 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); +#ifdef HAVE_LATENCY_BOUND_TRACKING + (action->generic_action).latency_limited = 0; +#endif + action->weight = action->latency = latency; xbt_swag_insert(action, action->generic_action.state_set); + action->rate = rate; + + bandwidth_bound = -1.0; + + xbt_dynar_foreach(route, i, link) { + action->weight += + sg_weight_S_parameter / + (link->lmm_resource.power.peak * link->lmm_resource.power.scale); + if (bandwidth_bound < 0.0) + bandwidth_bound = + (*bandwidth_factor_callback) (size) * + (link->lmm_resource.power.peak * link->lmm_resource.power.scale); + else + bandwidth_bound = + min(bandwidth_bound, + (*bandwidth_factor_callback) (size) * + (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; + action->latency *= (*latency_factor_callback) (size); + action->rate = + (*bandwidth_constraint_callback) (action->rate, bandwidth_bound, + size); + + if(xbt_dynar_length(route) > 0) { + 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); + } else { + gap_unknown(action); + } - action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0, - route_size); - for (i = 0; i < route_size; i++) - lmm_expand(maxmin_system, route[i]->constraint, action->variable, 1.0); - action->latency = 0.0; - for (i = 0; i < route_size; i++) - action->latency += route[i]->lat_current; - action->lat_current = action->latency; - lmm_update_variable_bound(maxmin_system, action->variable, - SG_TCP_CTE_GAMMA / action->lat_current); + /* LARGE PLATFORMS HACK: + lmm_variable_new(..., total_route_size) */ + if (back_route != NULL) { + constraints_per_variable = + xbt_dynar_length(route) + xbt_dynar_length(back_route); + } else { + constraints_per_variable = xbt_dynar_length(route); + } + + if (action->latency > 0) + action->variable = + lmm_variable_new(network_maxmin_system, action, 0.0, -1.0, + constraints_per_variable); + else + action->variable = + lmm_variable_new(network_maxmin_system, action, 1.0, -1.0, + constraints_per_variable); + + if (action->rate < 0) { + if (action->lat_current > 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, + -1.0); + } else { + if (action->lat_current > 0) + lmm_update_variable_bound(network_maxmin_system, action->variable, + min(action->rate, + sg_tcp_gamma / (2.0 * + action->lat_current))); + else + lmm_update_variable_bound(network_maxmin_system, action->variable, + action->rate); + } + + xbt_dynar_foreach(route, i, link) { + lmm_expand(network_maxmin_system, link->lmm_resource.constraint, + action->variable, 1.0); + } + + if (sg_network_fullduplex == 1) { + XBT_DEBUG("Fullduplex active adding backward flow using 5%c", '%'); + xbt_dynar_foreach(back_route, i, link) { + lmm_expand(network_maxmin_system, link->lmm_resource.constraint, + action->variable, .05); + } + } + /* LARGE PLATFORMS HACK: + expand also with src->link and dst->link */ +#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(); return (surf_action_t) action; } -static void finalize(void) -{ - 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); - xbt_free(surf_network_resource->common_public); - xbt_free(surf_network_resource->common_private); - xbt_free(surf_network_resource->extension_public); - - xbt_free(surf_network_resource); - surf_network_resource = NULL; -} - -static void surf_network_resource_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_private = xbt_new0(s_surf_network_resource_extension_private_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_free = action_free; - 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->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->extension_public->communicate = communicate; - - network_link_set = xbt_dict_new(); - network_card_set = xbt_dict_new(); - - xbt_assert0(maxmin_system, "surf_init has to be called first!"); -} - -void surf_network_resource_init(const char *filename) -{ - if (surf_network_resource) +static xbt_dynar_t net_get_route(const char *src, const char *dst) +{ + return global_routing->get_route(src, dst); +} + +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 net_get_link_latency(const void *link) +{ + return ((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 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); +} + +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; + } +} + +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; +} + +#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; + + global_routing->finalize(); + + lmm_system_free(network_maxmin_system); + network_maxmin_system = NULL; +} + +static void surf_network_model_init_internal(void) +{ + 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; +#ifdef HAVE_LATENCY_BOUND_TRACKING + surf_network_model->get_latency_limited = net_get_link_latency_limited; +#endif + + 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_network_model->set_max_duration = net_action_set_max_duration; +#ifdef HAVE_TRACING + surf_network_model->set_category = net_action_set_category; +#endif + + surf_network_model->extension.network.communicate = net_communicate; + surf_network_model->extension.network.get_route = net_get_route; + 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; + surf_network_model->extension.network.add_traces = net_add_traces; + surf_network_model->extension.network.create_resource = + net_create_resource; + + 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), + net_get_link_latency); +} + + + +/************************************************************************/ +/* New model based on LV08 and experimental results of MPI ping-pongs */ +/************************************************************************/ +void surf_network_model_init_SMPI(const char *filename) +{ + + if (surf_network_model) + return; + surf_network_model_init_internal(); + latency_factor_callback = &smpi_latency_factor; + bandwidth_factor_callback = &smpi_bandwidth_factor; + bandwidth_constraint_callback = &smpi_bandwidth_constraint; + net_define_callbacks(filename); + xbt_dynar_push(model_list, &surf_network_model); + network_solve = lmm_solve; + + xbt_cfg_setdefault_double(_surf_cfg_set, "network/sender_gap", 10e-6); + xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S", 8775); + + update_model_description(surf_network_model_description, + "SMPI", surf_network_model); +} + +/************************************************************************/ +/* 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_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; + + 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_fullupdate", surf_network_model); +} + +/***************************************************************************/ +/* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */ +/***************************************************************************/ +/* @TechReport{ rr-lip2002-40, */ +/* author = {Henri Casanova and Loris Marchal}, */ +/* institution = {LIP}, */ +/* title = {A Network Model for Simulation of Grid Application}, */ +/* number = {2002-40}, */ +/* month = {oct}, */ +/* year = {2002} */ +/* } */ +void surf_network_model_init_CM02(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; + + update_model_description(surf_network_model_description, + "CM02", surf_network_model); +} + +void surf_network_model_init_Reno(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); + lmm_set_default_protocol_function(func_reno_f, func_reno_fp, + 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); + 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_model_init_Reno2(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); + lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, + 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); + xbt_cfg_setdefault_double(_surf_cfg_set, "network/weight_S_parameter", + 8775); + + update_model_description(surf_network_model_description, + "Reno2", surf_network_model); +} + +void surf_network_model_init_Vegas(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); + 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); + + update_model_description(surf_network_model_description, + "Vegas", surf_network_model); }