-/* $Id$ */
-
-/* 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 "xbt/log.h"
#include "xbt/str.h"
+#include "surf/surfxml_parse_values.h"
+
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_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;
-xbt_dict_t link_set = NULL;
-double latency_factor = 1.0; /* default value */
-double bandwidth_factor = 1.0; /* default value */
-double weight_S_parameter = 0.0; /* default value */
+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 */
-int card_number = 0;
-int host_number = 0;
-link_CM02_t **routing_table = NULL;
-int *routing_table_size = NULL;
-static link_CM02_t loopback = NULL;
double sg_tcp_gamma = 0.0;
+int sg_network_fullduplex = 0;
+xbt_dict_t gap_lookup = NULL;
-static void create_routing_table(void)
-{
- routing_table = xbt_new0(link_CM02_t *, /*card_number * card_number */
- host_number * host_number);
- routing_table_size =
- xbt_new0(int, /*card_number * card_number */ host_number * host_number);
-}
+static double net_get_link_bandwidth(const void *link);
-static void link_free(void *nw_link)
-{
- xbt_dict_free(&(((link_CM02_t) nw_link)->properties));
- surf_resource_free(nw_link);
+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 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 link_CM02_t link_new(char *name,
- double bw_initial,
- tmgr_trace_t bw_trace,
- double lat_initial,
- tmgr_trace_t lat_trace,
- e_surf_link_state_t
- state_initial,
- tmgr_trace_t state_trace,
- e_surf_link_sharing_policy_t
- policy, xbt_dict_t properties)
+/******************************************************************************/
+/* Factors callbacks */
+/******************************************************************************/
+static double constant_latency_factor(double size)
{
- link_CM02_t nw_link = xbt_new0(s_link_CM02_t, 1);
- xbt_assert1(!xbt_dict_get_or_null(link_set, name),
- "Link '%s' declared several times in the platform file.", name);
-
- nw_link->generic_resource.model = surf_network_model;
- nw_link->generic_resource.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);
-
- nw_link->constraint =
- lmm_constraint_new(network_maxmin_system, nw_link,
- bandwidth_factor * nw_link->bw_current);
-
- if (policy == SURF_LINK_FATPIPE)
- lmm_constraint_shared(nw_link->constraint);
-
- nw_link->properties = properties;
-
- current_property_set = properties;
-
- xbt_dict_set(link_set, name, nw_link, link_free);
-
- return nw_link;
+ return sg_latency_factor;
}
-static int network_card_new(const char *card_name)
+static double constant_bandwidth_factor(double size)
{
- network_card_CM02_t card =
- surf_model_resource_by_name(surf_network_model, card_name);
-
- if (!card) {
- card = xbt_new0(s_network_card_CM02_t, 1);
- card->generic_resource.name = xbt_strdup(card_name);
- card->id = host_number++;
- xbt_dict_set(surf_model_resource_set(surf_network_model), card_name, card,
- surf_resource_free);
- }
- return card->id;
+ return sg_bandwidth_factor;
}
-static void route_new(int src_id, int dst_id,
- link_CM02_t * link_list, int nb_link)
+static double constant_bandwidth_constraint(double rate, double bound,
+ double size)
{
- ROUTE_SIZE(src_id, dst_id) = nb_link;
- ROUTE(src_id, dst_id) = link_list =
- xbt_realloc(link_list, sizeof(link_CM02_t) * nb_link);
+ return rate;
}
-static void parse_link_init(void)
+/**********************/
+/* SMPI callbacks */
+/**********************/
+static double smpi_latency_factor(double size)
{
- char *name_link;
- double bw_initial;
- tmgr_trace_t bw_trace;
- double lat_initial;
- tmgr_trace_t lat_trace;
- e_surf_link_state_t state_initial_link = SURF_LINK_ON;
- e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
- tmgr_trace_t state_trace;
-
- name_link = xbt_strdup(A_surfxml_link_id);
- surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
- surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
- surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
- surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
-
- 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_LINK_ON;
- else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
- state_initial_link = SURF_LINK_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;
-
- surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
+ /* 1 B <= size <= 1 KiB */
+ if (size <= 1024.0) {
+ return 1.0056;
+ }
- link_new(name_link, bw_initial, bw_trace,
- lat_initial, lat_trace, state_initial_link, state_trace,
- policy_initial_link, xbt_dict_new());
+ /* 2 KiB <= size <= 32 KiB */
+ if (size <= 32768.0) {
+ return 1.8805;
+ }
+ /* 64 KiB <= size <= 4 MiB */
+ return 22.7111;
}
-static int src_id = -1;
-static int dst_id = -1;
-
-static void parse_route_set_endpoints(void)
+static double smpi_bandwidth_factor(double size)
{
- src_id = network_card_new(A_surfxml_route_src);
- dst_id = network_card_new(A_surfxml_route_dst);
- route_action = A_surfxml_route_action;
-}
+ /* 1 B <= size <= 1 KiB */
+ if (size <= 1024.0) {
+ return 0.2758;
+ }
-static void parse_route_set_route(void)
-{
- char *name;
- if (src_id != -1 && dst_id != -1) {
- name = bprintf("%x#%x", src_id, dst_id);
- manage_route(route_table, name, route_action, 0);
- free(name);
+ /* 2 KiB <= size <= 32 KiB */
+ if (size <= 32768.0) {
+ return 0.5477;
}
+
+ /* 64 KiB <= size <= 4 MiB */
+ return 0.9359;
}
-static void add_loopback(void)
+static double smpi_bandwidth_constraint(double rate, double bound,
+ double size)
{
- int i;
- /* Adding loopback if needed */
- for (i = 0; i < host_number; i++)
- if (!ROUTE_SIZE(i, i)) {
- if (!loopback)
- loopback = link_new(xbt_strdup("__MSG_loopback__"),
- 498000000, NULL, 0.000015, NULL,
- SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL);
- ROUTE_SIZE(i, i) = 1;
- ROUTE(i, i) = xbt_new0(link_CM02_t, 1);
- ROUTE(i, i)[0] = loopback;
- }
+ return rate < 0 ? bound : min(bound, rate * smpi_bandwidth_factor(size));
}
-static void add_route(void)
+
+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 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)
{
- xbt_ex_t e;
- int nb_link = 0;
- unsigned int cpt = 0;
- int link_list_capacity = 0;
- link_CM02_t *link_list = NULL;
- xbt_dict_cursor_t cursor = NULL;
- char *key, *data, *end;
- const char *sep = "#";
- xbt_dynar_t links, keys;
+ 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);
- if (routing_table == NULL)
- create_routing_table();
+ xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
+ "Link '%s' declared several times in the platform file.",
+ name);
- xbt_dict_foreach(route_table, cursor, key, data) {
- char *link = NULL;
- nb_link = 0;
- links = (xbt_dynar_t) data;
- keys = xbt_str_split_str(key, sep);
+ 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);
- link_list_capacity = xbt_dynar_length(links);
- link_list = xbt_new(link_CM02_t, link_list_capacity);
+ if (policy == SURF_LINK_FATPIPE)
+ lmm_constraint_shared(nw_link->lmm_resource.constraint);
- src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
- dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
- xbt_dynar_free(&keys);
+ xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
- xbt_dynar_foreach(links, cpt, link) {
- TRY {
- link_list[nb_link++] = xbt_dict_get(link_set, link);
- }
- CATCH(e) {
- RETHROW1("Link %s not found (dict raised this exception: %s)", link);
- }
- }
- route_new(src_id, dst_id, link_list, nb_link);
- }
+ return nw_link;
}
-static void count_hosts(void)
+static void net_parse_link_init(void)
{
- host_number++;
-}
+ XBT_DEBUG("link_CM02");
+ if(struct_lnk->V_policy_initial_link == SURF_LINK_FULLDUPLEX)
+ {
+ net_create_resource(bprintf("%s_UP",struct_lnk->V_link_id), struct_lnk->V_link_bandwidth, struct_lnk->V_link_bandwidth_file,
+ struct_lnk->V_link_latency, struct_lnk->V_link_latency_file, struct_lnk->V_link_state, struct_lnk->V_link_state_file,
+ struct_lnk->V_policy_initial_link, xbt_dict_new());
+ net_create_resource(bprintf("%s_DOWN",struct_lnk->V_link_id), struct_lnk->V_link_bandwidth, struct_lnk->V_link_bandwidth_file,
+ struct_lnk->V_link_latency, struct_lnk->V_link_latency_file, struct_lnk->V_link_state, struct_lnk->V_link_state_file,
+ struct_lnk->V_policy_initial_link, xbt_dict_new());
+ }
+ else
+ {
+ net_create_resource(xbt_strdup(struct_lnk->V_link_id), struct_lnk->V_link_bandwidth, struct_lnk->V_link_bandwidth_file,
+ struct_lnk->V_link_latency, struct_lnk->V_link_latency_file, struct_lnk->V_link_state, struct_lnk->V_link_state_file,
+ struct_lnk->V_policy_initial_link, xbt_dict_new());
+ }
-static void add_traces(void)
+}
+
+static void net_add_traces(void)
{
xbt_dict_cursor_t cursor = NULL;
char *trace_name, *elm;
/* 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(link_set, elm);
+ link_CM02_t link =
+ xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
- xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
+ xbt_assert(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",
+ xbt_assert(trace,
+ "Cannot connect trace %s to link %s: trace undefined",
trace_name, elm);
- link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
+ link->lmm_resource.state_event =
+ tmgr_history_add_trace(history, trace, 0.0, 0, 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(link_set, elm);
+ link_CM02_t link =
+ xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
- xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
+ xbt_assert(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",
+ xbt_assert(trace,
+ "Cannot connect trace %s to link %s: trace undefined",
trace_name, elm);
- link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
+ link->lmm_resource.power.event =
+ tmgr_history_add_trace(history, trace, 0.0, 0, link);
}
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(link_set, elm);
+ link_CM02_t link =
+ xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
- xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
+ xbt_assert(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",
+ xbt_assert(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 void define_callbacks(const char *file)
+static void net_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_route_cb_list,
- &parse_route_set_endpoints);
- surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
- 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_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,
- ((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->refcount--;
if (!action->refcount) {
if (((surf_action_network_CM02_t) action)->variable)
lmm_variable_free(network_maxmin_system,
((surf_action_network_CM02_t) action)->variable);
- free(action);
+#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_use(surf_action_t action)
+static void net_action_cancel(surf_action_t action)
{
- action->refcount++;
+ 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)
{
-/* 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_model->states.running_action_set;
+ 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);
+ 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;
}
}
+ XBT_DEBUG("Min of share resources %f", min);
+
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_model->states.running_action_set;
+ xbt_swag_t running_actions =
+ surf_network_model->states.running_action_set;
/*
xbt_swag_t failed_actions =
surf_network_model->states.failed_action_set;
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);
+ }
+ }
+#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)
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);
+ surf_network_model->action_state_set((surf_action_t) action,
+ SURF_ACTION_DONE);
+ gap_remove(action);
}
}
return;
}
-static void update_resource_state(void *id,
- tmgr_trace_event_t event_type,
- double value, double date)
+static void net_update_resource_state(void *id,
+ tmgr_trace_event_t event_type,
+ double value, double date)
{
link_CM02_t nw_link = id;
/* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
/* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
/* value, event_type); */
- if (event_type == nw_link->bw_event) {
+ if (event_type == nw_link->lmm_resource.power.event) {
double delta =
- weight_S_parameter / value - weight_S_parameter / nw_link->bw_current;
+ 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->bw_current = value;
- lmm_update_constraint_bound(network_maxmin_system, nw_link->constraint,
- bandwidth_factor * nw_link->bw_current);
- if (weight_S_parameter > 0) {
+ 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->constraint, &elem))) {
+ (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);
+ 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;
nw_link->lat_current = value;
while ((var = lmm_get_var_from_cnst
- (network_maxmin_system, nw_link->constraint, &elem))) {
+ (network_maxmin_system, nw_link->lmm_resource.constraint,
+ &elem))) {
action = lmm_variable_id(var);
action->lat_current += delta;
action->weight += delta;
if (action->rate < 0)
lmm_update_variable_bound(network_maxmin_system, action->variable,
- sg_tcp_gamma / (2.0 * action->lat_current));
- else
+ 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_LINK_ON;
+ nw_link->lmm_resource.state_current = SURF_RESOURCE_ON;
else {
- lmm_constraint_t cnst = nw_link->constraint;
+ lmm_constraint_t cnst = nw_link->lmm_resource.constraint;
lmm_variable_t var = NULL;
lmm_element_t elem = NULL;
- nw_link->state_current = SURF_LINK_OFF;
+ 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_get_state(action) == SURF_ACTION_RUNNING ||
- surf_action_get_state(action) == SURF_ACTION_READY) {
+ if (surf_action_state_get(action) == SURF_ACTION_RUNNING ||
+ surf_action_state_get(action) == SURF_ACTION_READY) {
action->finish = date;
- action_change_state(action, SURF_ACTION_FAILED);
+ 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,
- double rate)
+
+static surf_action_t net_communicate(const char *src_name,
+ const char *dst_name, double size,
+ double rate)
{
+ 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 */
- 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);
- link_CM02_t *route = ROUTE(card_src->id, card_dst->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);
+ }
+
/* LARGE PLATFORMS HACK:
total_route_size = route_size + src->link_nb + dst->nb */
- int i;
- XBT_IN4("(%s,%s,%g,%g)", card_src->generic_resource.name, card_dst->generic_resource.name, size, rate);
+ XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
/* LARGE PLATFORMS HACK:
assert on total_route_size */
- 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->generic_resource.name, card_dst->generic_resource.name);
-
- action = xbt_new0(s_surf_action_network_CM02_t, 1);
-
- action->generic_action.refcount = 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.model_type = surf_network_model;
- action->suspended = 0; /* Should be useless because of the
- calloc but it seems to help valgrind... */
- action->generic_action.state_set =
- surf_network_model->states.running_action_set;
- for (i = 0; i < route_size; i++)
- if (route[i]->state_current == SURF_LINK_OFF) {
- action->generic_action.state_set =
- surf_network_model->states.failed_action_set;
+ 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);
+
+ 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;
- action->latency = 0.0;
- action->weight = 0.0;
- for (i = 0; i < route_size; i++) {
- action->latency += route[i]->lat_current;
+ bandwidth_bound = -1.0;
+
+ xbt_dynar_foreach(route, i, link) {
action->weight +=
- route[i]->lat_current + weight_S_parameter / route[i]->bw_current;
+ 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;
+ 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);
+ }
+
/* 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, route_size);
+ 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, route_size);
+ 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));
+ sg_tcp_gamma / (2.0 *
+ action->lat_current));
else
lmm_update_variable_bound(network_maxmin_system, action->variable,
-1.0);
action->rate);
}
- for (i = 0; i < route_size; i++)
- lmm_expand(network_maxmin_system, route[i]->constraint,
+ 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_OUT;
+ xbt_dynar_free(&route);
+ XBT_OUT();
return (surf_action_t) action;
}
-/* returns an array of 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);
-}
-
-static int get_route_size(void *src, void *dst)
+static xbt_dynar_t net_get_route(const char *src, const char *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 global_routing->get_route(src, dst);
}
-static double get_link_bandwidth(const void *link)
+static double net_get_link_bandwidth(const void *link)
{
- return ((link_CM02_t) link)->bw_current;
+ surf_resource_lmm_t lmm = (surf_resource_lmm_t) link;
+ return lmm->power.peak * lmm->power.scale;
}
-static double get_link_latency(const void *link)
+static double net_get_link_latency(const void *link)
{
return ((link_CM02_t) link)->lat_current;
}
-static int link_shared(const void *link)
+static int net_link_shared(const void *link)
{
- return lmm_constraint_is_shared(((link_CM02_t) link)->constraint);
+ return
+ lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint);
}
-static xbt_dict_t get_properties(void *link)
-{
- return ((link_CM02_t) link)->properties;
-}
-
-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) {
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)->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)
+void net_action_set_max_duration(surf_action_t action, double duration)
{
action->max_duration = duration;
}
-static void finalize(void)
+#ifdef HAVE_TRACING
+static void net_action_set_category(surf_action_t action, const char *category)
{
- int i, j;
-
- xbt_dict_free(&link_set);
+ action->category = xbt_strdup (category);
+}
+#endif
+static void net_finalize(void)
+{
surf_model_exit(surf_network_model);
surf_network_model = NULL;
- loopback = NULL;
- for (i = 0; i < host_number; i++)
- for (j = 0; j < host_number; j++)
- free(ROUTE(i, j));
- free(routing_table);
- routing_table = NULL;
- free(routing_table_size);
- routing_table_size = NULL;
- host_number = 0;
+ global_routing->finalize();
+
lmm_system_free(network_maxmin_system);
network_maxmin_system = NULL;
}
{
surf_network_model = surf_model_init();
- surf_network_model->action_get_state = surf_action_get_state;
- surf_network_model->action_get_start_time = surf_action_get_start_time;
- surf_network_model->action_get_finish_time = surf_action_get_finish_time;
- surf_network_model->action_free = action_free;
- surf_network_model->action_use = action_use;
- surf_network_model->action_cancel = action_cancel;
- surf_network_model->action_recycle = action_recycle;
- surf_network_model->action_change_state = action_change_state;
- surf_network_model->action_set_data = surf_action_set_data;
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 = resource_used;
- surf_network_model->model_private->share_resources = share_resources;
+ 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 =
- update_actions_state;
+ net_update_actions_state;
surf_network_model->model_private->update_resource_state =
- update_resource_state;
- surf_network_model->model_private->finalize = finalize;
-
- surf_network_model->suspend = action_suspend;
- surf_network_model->resume = action_resume;
- surf_network_model->is_suspended = action_is_suspended;
- surf_cpu_model->set_max_duration = action_set_max_duration;
+ 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 = communicate;
- surf_network_model->extension.network.get_route = get_route;
- surf_network_model->extension.network.get_route_size = get_route_size;
+ 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 =
- get_link_bandwidth;
- surf_network_model->extension.network.get_link_latency = get_link_latency;
- surf_network_model->extension.network.link_shared = link_shared;
-
- surf_network_model->get_properties = get_properties;
-
- link_set = xbt_dict_new();
+ 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_create_resource(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);
}
/************************************************************************/
if (surf_network_model)
return;
surf_network_model_init_internal();
- define_callbacks(filename);
+ net_define_callbacks(filename);
xbt_dynar_push(model_list, &surf_network_model);
network_solve = lmm_solve;
- latency_factor = 10.4;
- bandwidth_factor = 0.92;
- weight_S_parameter = 8775;
+ 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,
- "LegrandVelho", surf_network_model);
+ "LV08_fullupdate", surf_network_model);
}
/***************************************************************************/
if (surf_network_model)
return;
surf_network_model_init_internal();
- define_callbacks(filename);
+ net_define_callbacks(filename);
xbt_dynar_push(model_list, &surf_network_model);
network_solve = lmm_solve;
if (surf_network_model)
return;
surf_network_model_init_internal();
- define_callbacks(filename);
+ 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);
+ lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
+ func_reno_fpi);
network_solve = lagrange_solve;
- latency_factor = 10.4;
- bandwidth_factor = 0.92;
- weight_S_parameter = 8775;
+ 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);
if (surf_network_model)
return;
surf_network_model_init_internal();
- define_callbacks(filename);
+ 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;
- latency_factor = 10.4;
- bandwidth_factor = 0.92;
- weight_S_parameter = 8775;
+ 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);
if (surf_network_model)
return;
surf_network_model_init_internal();
- define_callbacks(filename);
+ 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;
- latency_factor = 10.4;
- bandwidth_factor = 0.92;
- weight_S_parameter = 8775;
+ 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);
}
-
-#ifdef HAVE_SDP
-void surf_network_model_init_SDP(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 = sdp_solve;
-
- update_model_description(surf_network_model_description,
- "SDP", surf_network_model);
-}
-#endif
