+/* Copyright (c) 2013-2015. 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 <algorithm>
+
#include "network_cm02.hpp"
#include "maxmin_private.hpp"
#include "simgrid/sg_config.h"
+#include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
double sg_tcp_gamma = 0.0;
int sg_network_crosstraffic = 0;
-/*************
- * CallBacks *
- *************/
-
-static void net_parse_link_init(sg_platf_link_cbarg_t link){
- if (link->policy == SURF_LINK_FULLDUPLEX) {
- char *link_id;
- link_id = bprintf("%s_UP", link->id);
- surf_network_model->createResource(link_id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- xbt_free(link_id);
- link_id = bprintf("%s_DOWN", link->id);
- surf_network_model->createResource(link_id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- xbt_free(link_id);
- } else {
- surf_network_model->createResource(link->id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- }
-}
-
-static void net_add_traces(void){
- 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 = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- NetworkCm02LinkPtr link = static_cast<NetworkCm02LinkPtr>(
- 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->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
- }
-
- xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
- tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- NetworkCm02LinkPtr link = static_cast<NetworkCm02LinkPtr>(
- 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->p_power.event = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
- }
-
- xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
- tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- NetworkCm02LinkPtr link = static_cast<NetworkCm02LinkPtr>(
- 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->p_latEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
- }
-}
-
-void net_define_callbacks(void)
-{
- /* Figuring out the network links */
- sg_platf_link_add_cb(net_parse_link_init);
- sg_platf_postparse_add_cb(net_add_traces);
-}
-
-/*********
- * Model *
- *********/
-
/************************************************************************/
/* New model based on optimizations discussed during Pedro Velho's thesis*/
/************************************************************************/
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
+ simgrid::surf::on_link.connect(netlink_parse_init);
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor",
- 13.01);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.97);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 20537);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 13.01);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor", 0.97);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 20537);
}
/***************************************************************************/
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
+ simgrid::surf::on_link.connect(netlink_parse_init);
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 1.0);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 1.0);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 0.0);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 1.0);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor", 1.0);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 0.0);
}
/***************************************************************************/
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
- lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
- func_reno_fpi);
+ simgrid::surf::on_link.connect(netlink_parse_init);
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
+
+ lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi);
surf_network_model->f_networkSolve = lagrange_solve;
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.92);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor", 0.92);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
}
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
- lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
- func_reno2_fpi);
+ simgrid::surf::on_link.connect(netlink_parse_init);
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
+
+ lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, func_reno2_fpi);
surf_network_model->f_networkSolve = lagrange_solve;
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.92);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S_parameter",
- 8775);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor", 0.92);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
}
void surf_network_model_init_Vegas(void)
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
- lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
- func_vegas_fpi);
+ simgrid::surf::on_link.connect(netlink_parse_init);
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
+
+ lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi);
surf_network_model->f_networkSolve = lagrange_solve;
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.92);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor", 0.92);
+ xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
}
-void NetworkCm02Model::initialize()
+namespace simgrid {
+namespace surf {
+
+NetworkCm02Model::NetworkCm02Model()
+ :NetworkModel()
{
char *optim = xbt_cfg_get_string(_sg_cfg_set, "network/optim");
- int select =
- xbt_cfg_get_boolean(_sg_cfg_set, "network/maxmin_selective_update");
+ int select = xbt_cfg_get_boolean(_sg_cfg_set, "network/maxmin_selective_update");
if (!strcmp(optim, "Full")) {
p_updateMechanism = UM_FULL;
} else if (!strcmp(optim, "Lazy")) {
p_updateMechanism = UM_LAZY;
m_selectiveUpdate = 1;
- xbt_assert((select == 1)
- ||
- (xbt_cfg_is_default_value
- (_sg_cfg_set, "network/maxmin_selective_update")),
+ xbt_assert((select == 1) || (xbt_cfg_is_default_value(_sg_cfg_set, "network/maxmin_selective_update")),
"Disabling selective update while using the lazy update mechanism is dumb!");
} else {
xbt_die("Unsupported optimization (%s) for this model", optim);
}
if (!p_maxminSystem)
- p_maxminSystem = lmm_system_new(m_selectiveUpdate);
+ p_maxminSystem = lmm_system_new(m_selectiveUpdate);
- const char* lb_name = "__loopback__";
- routing_model_create(static_cast<ResourcePtr>(createResource(lb_name,
- 498000000, NULL, 0.000015, NULL,
- SURF_RESOURCE_ON, NULL,
- SURF_LINK_FATPIPE, NULL)));
+ routing_model_create(createLink("__loopback__",
+ 498000000, NULL, 0.000015, NULL,
+ NULL,
+ SURF_LINK_FATPIPE, NULL));
if (p_updateMechanism == UM_LAZY) {
- p_actionHeap = xbt_heap_new(8, NULL);
- xbt_heap_set_update_callback(p_actionHeap, surf_action_lmm_update_index_heap);
- p_modifiedSet = new ActionLmmList();
- p_maxminSystem->keep_track = p_modifiedSet;
+ p_actionHeap = xbt_heap_new(8, NULL);
+ xbt_heap_set_update_callback(p_actionHeap, surf_action_lmm_update_index_heap);
+ p_modifiedSet = new ActionLmmList();
+ p_maxminSystem->keep_track = p_modifiedSet;
}
-
- m_haveGap = false;
}
-NetworkLinkPtr NetworkCm02Model::createResource(const char *name,
- double bw_initial,
- tmgr_trace_t bw_trace,
- double lat_initial,
- tmgr_trace_t lat_trace,
- e_surf_resource_state_t state_initial,
- tmgr_trace_t state_trace,
- e_surf_link_sharing_policy_t policy,
- xbt_dict_t properties)
+Link* NetworkCm02Model::createLink(const char *name,
+ double bw_initial, tmgr_trace_t bw_trace,
+ double lat_initial, tmgr_trace_t lat_trace,
+ tmgr_trace_t state_trace,
+ e_surf_link_sharing_policy_t policy, xbt_dict_t properties)
{
- xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
- "Link '%s' declared several times in the platform file.",
+ xbt_assert(NULL == Link::byName(name),
+ "Link '%s' declared several times in the platform",
name);
- NetworkCm02LinkPtr nw_link =
- new NetworkCm02Link(this, name, properties, p_maxminSystem, sg_bandwidth_factor * bw_initial, history,
- state_initial, state_trace, bw_initial, bw_trace, lat_initial, lat_trace, policy);
-
-
- xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, static_cast<ResourcePtr>(nw_link));
- XBT_DEBUG("Create link '%s'",name);
-
- return nw_link;
+ Link* link = new NetworkCm02Link(this, name, properties, p_maxminSystem, sg_bandwidth_factor * bw_initial,
+ state_trace, bw_initial, bw_trace, lat_initial, lat_trace, policy);
+ Link::onCreation(link);
+ return link;
}
void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
{
- NetworkCm02ActionPtr action;
+ NetworkCm02Action *action;
while ((xbt_heap_size(p_actionHeap) > 0)
- && (double_equals(xbt_heap_maxkey(p_actionHeap), now))) {
- action = (NetworkCm02ActionPtr) xbt_heap_pop(p_actionHeap);
+ && (double_equals(xbt_heap_maxkey(p_actionHeap), now, sg_surf_precision))) {
+ action = static_cast<NetworkCm02Action*> (xbt_heap_pop(p_actionHeap));
XBT_DEBUG("Something happened to action %p", action);
-#ifdef HAVE_TRACING
if (TRACE_is_enabled()) {
int n = lmm_get_number_of_cnst_from_var(p_maxminSystem, action->getVariable());
- int i;
- for (i = 0; i < n; i++){
- lmm_constraint_t constraint = lmm_get_cnst_from_var(p_maxminSystem,
- action->getVariable(),
- i);
- NetworkCm02LinkPtr link = static_cast<NetworkCm02LinkPtr>(lmm_constraint_id(constraint));
+
+ for (int i = 0; i < n; i++){
+ lmm_constraint_t constraint = lmm_get_cnst_from_var(p_maxminSystem, action->getVariable(), i);
+ NetworkCm02Link *link = static_cast<NetworkCm02Link*>(lmm_constraint_id(constraint));
TRACE_surf_link_set_utilization(link->getName(),
action->getCategory(),
(lmm_variable_getvalue(action->getVariable())*
now - action->getLastUpdate());
}
}
-#endif
// if I am wearing a latency hat
if (action->getHat() == LATENCY) {
return;
}
-ActionPtr NetworkCm02Model::communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
- double size, double rate)
+
+void NetworkCm02Model::updateActionsStateFull(double now, double delta)
+{
+ NetworkCm02Action *action;
+ ActionList *running_actions = getRunningActionSet();
+
+ for(ActionList::iterator it(running_actions->begin()), itNext=it, itend(running_actions->end())
+ ; it != itend ; it=itNext) {
+ ++itNext;
+
+ action = static_cast<NetworkCm02Action*> (&*it);
+ XBT_DEBUG("Something happened to action %p", action);
+ double deltap = delta;
+ if (action->m_latency > 0) {
+ if (action->m_latency > deltap) {
+ double_update(&(action->m_latency), deltap, sg_surf_precision);
+ deltap = 0.0;
+ } else {
+ double_update(&(deltap), action->m_latency, sg_surf_precision);
+ action->m_latency = 0.0;
+ }
+ if (action->m_latency == 0.0 && !(action->isSuspended()))
+ lmm_update_variable_weight(p_maxminSystem, action->getVariable(),
+ action->m_weight);
+ }
+ if (TRACE_is_enabled()) {
+ int n = lmm_get_number_of_cnst_from_var(p_maxminSystem, action->getVariable());
+ for (int i = 0; i < n; i++){
+ lmm_constraint_t constraint = lmm_get_cnst_from_var(p_maxminSystem, action->getVariable(), i);
+
+ NetworkCm02Link* link = static_cast<NetworkCm02Link*>(lmm_constraint_id(constraint));
+ TRACE_surf_link_set_utilization(link->getName(),
+ action->getCategory(),
+ (lmm_variable_getvalue(action->getVariable())*
+ lmm_get_cnst_weight_from_var(p_maxminSystem,
+ action->getVariable(),
+ i)),
+ action->getLastUpdate(),
+ now - action->getLastUpdate());
+ }
+ }
+ if (!lmm_get_number_of_cnst_from_var (p_maxminSystem, action->getVariable())) {
+ /* 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.
+ */
+ action->updateRemains(action->getRemains());
+ }
+ action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
+
+ if (action->getMaxDuration() != NO_MAX_DURATION)
+ action->updateMaxDuration(delta);
+
+ if ((action->getRemains() <= 0) &&
+ (lmm_get_variable_weight(action->getVariable()) > 0)) {
+ action->finish();
+ action->setState(SURF_ACTION_DONE);
+ action->gapRemove();
+ } else if (((action->getMaxDuration() != NO_MAX_DURATION)
+ && (action->getMaxDuration() <= 0))) {
+ action->finish();
+ action->setState(SURF_ACTION_DONE);
+ action->gapRemove();
+ }
+ }
+}
+
+Action *NetworkCm02Model::communicate(NetCard *src, NetCard *dst, double size, double rate)
{
- unsigned int i;
- void *_link;
- NetworkCm02LinkPtr link;
int failed = 0;
- NetworkCm02ActionPtr action = NULL;
double bandwidth_bound;
double latency = 0.0;
- xbt_dynar_t back_route = NULL;
+ std::vector<Link*> * back_route = NULL;
int constraints_per_variable = 0;
- xbt_dynar_t route = xbt_dynar_new(sizeof(RoutingEdgePtr), NULL);
+ std::vector<Link*> *route = new std::vector<Link*>();
- XBT_IN("(%s,%s,%g,%g)", src->p_name, dst->p_name, size, rate);
+ XBT_IN("(%s,%s,%g,%g)", src->name(), dst->name(), size, rate);
- routing_platf->getRouteAndLatency(src, dst, &route, &latency);
- xbt_assert(!xbt_dynar_is_empty(route) || latency,
- "You're trying to send data from %s to %s but there is no connection at all between these two hosts.",
- src->p_name, dst->p_name);
+ routing_platf->getRouteAndLatency(src, dst, route, &latency);
+ xbt_assert(! route->empty() || latency,
+ "You're trying to send data from %s to %s but there is no connecting path between these two hosts.",
+ src->name(), dst->name());
- xbt_dynar_foreach(route, i, _link) {
- link = static_cast<NetworkCm02LinkPtr>(_link);
- if (link->getState() == SURF_RESOURCE_OFF) {
+ for (auto link: *route)
+ if (link->isOff())
failed = 1;
- break;
- }
- }
+
if (sg_network_crosstraffic == 1) {
- routing_platf->getRouteAndLatency(dst, src, &back_route, NULL);
- xbt_dynar_foreach(back_route, i, _link) {
- link = static_cast<NetworkCm02LinkPtr>(_link);
- if (link->getState() == SURF_RESOURCE_OFF) {
+ back_route = new std::vector<Link*>();
+ routing_platf->getRouteAndLatency(dst, src, back_route, NULL);
+ for (auto link: *back_route)
+ if (link->isOff())
failed = 1;
- break;
- }
- }
}
- action = new NetworkCm02Action(this, size, failed);
-
-#ifdef HAVE_LATENCY_BOUND_TRACKING
- action->m_latencyLimited = 0;
-#endif
+ NetworkCm02Action *action = new NetworkCm02Action(this, size, failed);
action->m_weight = action->m_latency = latency;
action->m_rate = rate;
}
bandwidth_bound = -1.0;
- if (sg_weight_S_parameter > 0) {
- xbt_dynar_foreach(route, i, _link) {
- link = static_cast<NetworkCm02LinkPtr>(_link);
+ if (sg_weight_S_parameter > 0)
+ for (auto link : *route)
action->m_weight += sg_weight_S_parameter / link->getBandwidth();
- }
- }
- xbt_dynar_foreach(route, i, _link) {
- link = static_cast<NetworkCm02LinkPtr>(_link);
- double bb = bandwidthFactor(size) * link->getBandwidth(); //(link->p_power.peak * link->p_power.scale);
- bandwidth_bound =
- (bandwidth_bound < 0.0) ? bb : min(bandwidth_bound, bb);
+
+ for (auto link : *route) {
+ double bb = bandwidthFactor(size) * link->getBandwidth();
+ bandwidth_bound = (bandwidth_bound < 0.0) ? bb : std::min(bandwidth_bound, bb);
}
action->m_latCurrent = action->m_latency;
action->m_latency *= latencyFactor(size);
action->m_rate = bandwidthConstraint(action->m_rate, bandwidth_bound, size);
if (m_haveGap) {
- xbt_assert(!xbt_dynar_is_empty(route),
+ xbt_assert(! route->empty(),
"Using a model with a gap (e.g., SMPI) with a platform without links (e.g. vivaldi)!!!");
- link = *static_cast<NetworkCm02LinkPtr *>(xbt_dynar_get_ptr(route, 0));
- gapAppend(size, link, action);
- XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)",
- action, src->p_name, dst->p_name, action->m_senderGap,
- action->m_latency);
+ gapAppend(size, route->at(0), action);
+ XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)", action, src->name(), dst->name(), action->m_senderGap, action->m_latency);
}
- constraints_per_variable = xbt_dynar_length(route);
+ constraints_per_variable = route->size();
if (back_route != NULL)
- constraints_per_variable += xbt_dynar_length(back_route);
+ constraints_per_variable += back_route->size();
if (action->m_latency > 0) {
- action->p_variable = lmm_variable_new(p_maxminSystem, static_cast<ActionPtr>(action), 0.0, -1.0,
- constraints_per_variable);
+ action->p_variable = lmm_variable_new(p_maxminSystem, action, 0.0, -1.0, constraints_per_variable);
if (p_updateMechanism == UM_LAZY) {
// add to the heap the event when the latency is payed
- XBT_DEBUG("Added action (%p) one latency event at date %f", action,
- action->m_latency + action->m_lastUpdate);
- action->heapInsert(p_actionHeap, action->m_latency + action->m_lastUpdate, xbt_dynar_is_empty(route) ? NORMAL : LATENCY);
+ XBT_DEBUG("Added action (%p) one latency event at date %f", action, action->m_latency + action->m_lastUpdate);
+ action->heapInsert(p_actionHeap, action->m_latency + action->m_lastUpdate, route->empty() ? NORMAL : LATENCY);
}
} else
- action->p_variable = lmm_variable_new(p_maxminSystem, static_cast<ActionPtr>(action), 1.0, -1.0, constraints_per_variable);
+ action->p_variable = lmm_variable_new(p_maxminSystem, action, 1.0, -1.0, constraints_per_variable);
if (action->m_rate < 0) {
lmm_update_variable_bound(p_maxminSystem, action->getVariable(), (action->m_latCurrent > 0) ? sg_tcp_gamma / (2.0 * action->m_latCurrent) : -1.0);
} else {
- lmm_update_variable_bound(p_maxminSystem, action->getVariable(), (action->m_latCurrent > 0) ? min(action->m_rate, sg_tcp_gamma / (2.0 * action->m_latCurrent)) : action->m_rate);
+ lmm_update_variable_bound(p_maxminSystem, action->getVariable(), (action->m_latCurrent > 0) ? std::min(action->m_rate, sg_tcp_gamma / (2.0 * action->m_latCurrent)) : action->m_rate);
}
- xbt_dynar_foreach(route, i, _link) {
- link = static_cast<NetworkCm02LinkPtr>(_link);
+ for (auto link: *route)
lmm_expand(p_maxminSystem, link->getConstraint(), action->getVariable(), 1.0);
- }
if (sg_network_crosstraffic == 1) {
XBT_DEBUG("Fullduplex active adding backward flow using 5%%");
- xbt_dynar_foreach(back_route, i, _link) {
- link = static_cast<NetworkCm02LinkPtr>(_link);
+ for (auto link : *back_route)
lmm_expand(p_maxminSystem, link->getConstraint(), action->getVariable(), .05);
- }
+
+ //Change concurrency_share here, if you want that cross-traffic is included in the SURF concurrency
+ //(You would also have to change lmm_element_concurrency())
+ //lmm_variable_concurrency_share_set(action->getVariable(),2);
}
- xbt_dynar_free(&route);
+ delete route;
XBT_OUT();
+ networkCommunicateCallbacks(action, src, dst, size, rate);
return action;
}
-
-
/************
* Resource *
************/
-NetworkCm02Link::NetworkCm02Link(NetworkCm02ModelPtr model, const char *name, xbt_dict_t props,
- lmm_system_t system,
- double constraint_value,
- tmgr_history_t history,
- e_surf_resource_state_t state_init,
- tmgr_trace_t state_trace,
- double metric_peak,
- tmgr_trace_t metric_trace,
- double lat_initial,
- tmgr_trace_t lat_trace,
- e_surf_link_sharing_policy_t policy)
-: NetworkLink(model, name, props, lmm_constraint_new(system, this, constraint_value), history, state_trace)
+NetworkCm02Link::NetworkCm02Link(NetworkCm02Model *model, const char *name, xbt_dict_t props,
+ lmm_system_t system,
+ double constraint_value,
+ tmgr_trace_t state_trace,
+ double bw_peak, tmgr_trace_t bw_trace,
+ double lat_initial, tmgr_trace_t lat_trace,
+ e_surf_link_sharing_policy_t policy)
+: Link(model, name, props, lmm_constraint_new(system, this, constraint_value), state_trace)
{
- m_stateCurrent = state_init;
-
- p_power.scale = 1.0;
- p_power.peak = metric_peak;
- if (metric_trace)
- p_power.event = tmgr_history_add_trace(history, metric_trace, 0.0, 0, static_cast<ResourcePtr>(this));
+ m_bandwidth.scale = 1.0;
+ m_bandwidth.peak = bw_peak;
+ if (bw_trace)
+ m_bandwidth.event = future_evt_set->add_trace(bw_trace, 0.0, this);
else
- p_power.event = NULL;
+ m_bandwidth.event = NULL;
- m_latCurrent = lat_initial;
+ m_latency.scale = 1.0;
+ m_latency.peak = lat_initial;
if (lat_trace)
- p_latEvent = tmgr_history_add_trace(history, lat_trace, 0.0, 0, static_cast<ResourcePtr>(this));
+ m_latency.event = future_evt_set->add_trace(lat_trace, 0.0, this);
if (policy == SURF_LINK_FATPIPE)
- lmm_constraint_shared(getConstraint());
+ lmm_constraint_shared(getConstraint());
}
-void NetworkCm02Link::updateState(tmgr_trace_event_t event_type,
- double value, double date)
+void NetworkCm02Link::apply_event(tmgr_trace_iterator_t triggered, double value)
{
- /* printf("[" "%g" "] Asking to update network card \"%s\" with value " */
- /* "%g" " for event %p\n", surf_get_clock(), nw_link->name, */
- /* value, event_type); */
-
- if (event_type == p_power.event) {
- double delta =
- sg_weight_S_parameter / value - sg_weight_S_parameter /
- (p_power.peak * p_power.scale);
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
- NetworkCm02ActionPtr action = NULL;
-
- p_power.peak = value;
- lmm_update_constraint_bound(getModel()->getMaxminSystem(),
- getConstraint(),
- sg_bandwidth_factor *
- (p_power.peak * p_power.scale));
-#ifdef HAVE_TRACING
- TRACE_surf_link_set_bandwidth(date, getName(), sg_bandwidth_factor * p_power.peak * p_power.scale);
-#endif
- if (sg_weight_S_parameter > 0) {
- while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
- action = (NetworkCm02ActionPtr) lmm_variable_id(var);
- action->m_weight += delta;
- if (!action->isSuspended())
- lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->m_weight);
- }
- }
- if (tmgr_trace_event_free(event_type))
- p_power.event = NULL;
- } else if (event_type == p_latEvent) {
- double delta = value - m_latCurrent;
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
- NetworkCm02ActionPtr action = NULL;
-
- m_latCurrent = value;
- while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
- action = (NetworkCm02ActionPtr) lmm_variable_id(var);
- action->m_latCurrent += delta;
- action->m_weight += delta;
- if (action->m_rate < 0)
- lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(), sg_tcp_gamma / (2.0 * action->m_latCurrent));
- else {
- lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(),
- min(action->m_rate, sg_tcp_gamma / (2.0 * action->m_latCurrent)));
-
- if (action->m_rate < sg_tcp_gamma / (2.0 * action->m_latCurrent)) {
- XBT_INFO("Flow is limited BYBANDWIDTH");
- } else {
- XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f",
- action->m_latCurrent);
- }
- }
- if (!action->isSuspended())
- lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->m_weight);
- }
- if (tmgr_trace_event_free(event_type))
- p_latEvent = NULL;
- } else if (event_type == p_stateEvent) {
+ /* Find out which of my iterators was triggered, and react accordingly */
+ if (triggered == m_bandwidth.event) {
+ updateBandwidth(value);
+ tmgr_trace_event_unref(&m_bandwidth.event);
+
+ } else if (triggered == m_latency.event) {
+ updateLatency(value);
+ tmgr_trace_event_unref(&m_latency.event);
+
+ } else if (triggered == m_stateEvent) {
if (value > 0)
- m_stateCurrent = SURF_RESOURCE_ON;
+ turnOn();
else {
- lmm_constraint_t cnst = getConstraint();
lmm_variable_t var = NULL;
lmm_element_t elem = NULL;
+ double now = surf_get_clock();
- m_stateCurrent = SURF_RESOURCE_OFF;
- while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), cnst, &elem))) {
- ActionPtr action = (ActionPtr) lmm_variable_id(var);
+ turnOff();
+ while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
+ Action *action = static_cast<Action*>( lmm_variable_id(var) );
if (action->getState() == SURF_ACTION_RUNNING ||
action->getState() == SURF_ACTION_READY) {
- action->setFinishTime(date);
+ action->setFinishTime(now);
action->setState(SURF_ACTION_FAILED);
}
}
}
- if (tmgr_trace_event_free(event_type))
- p_stateEvent = NULL;
+ tmgr_trace_event_unref(&m_stateEvent);
} else {
- XBT_CRITICAL("Unknown event ! \n");
- xbt_abort();
+ xbt_die("Unknown event!\n");
}
- XBT_DEBUG
- ("There were a resource state event, need to update actions related to the constraint (%p)",
+ XBT_DEBUG("There was a resource state event, need to update actions related to the constraint (%p)",
getConstraint());
- return;
+}
+
+void NetworkCm02Link::updateBandwidth(double value) {
+
+ m_bandwidth.peak = value;
+
+ lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(),
+ sg_bandwidth_factor * (m_bandwidth.peak * m_bandwidth.scale));
+ TRACE_surf_link_set_bandwidth(surf_get_clock(), getName(), sg_bandwidth_factor * m_bandwidth.peak * m_bandwidth.scale);
+
+ if (sg_weight_S_parameter > 0) {
+ double delta = sg_weight_S_parameter / value - sg_weight_S_parameter / (m_bandwidth.peak * m_bandwidth.scale);
+
+ lmm_variable_t var;
+ lmm_element_t elem = NULL, nextelem = NULL;
+ int numelem = 0;
+ while ((var = lmm_get_var_from_cnst_safe(getModel()->getMaxminSystem(), getConstraint(), &elem, &nextelem, &numelem))) {
+ NetworkCm02Action *action = (NetworkCm02Action*) lmm_variable_id(var);
+ action->m_weight += delta;
+ if (!action->isSuspended())
+ lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->m_weight);
+ }
+ }
+}
+
+void NetworkCm02Link::updateLatency(double value){
+ double delta = value - m_latency.peak;
+ lmm_variable_t var = NULL;
+ lmm_element_t elem = NULL;
+ lmm_element_t nextelem = NULL;
+ int numelem = 0;
+
+ m_latency.peak = value;
+
+ while ((var = lmm_get_var_from_cnst_safe(getModel()->getMaxminSystem(), getConstraint(), &elem, &nextelem, &numelem))) {
+ NetworkCm02Action *action = (NetworkCm02Action*) lmm_variable_id(var);
+ action->m_latCurrent += delta;
+ action->m_weight += delta;
+ if (action->m_rate < 0)
+ lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(), sg_tcp_gamma / (2.0 * action->m_latCurrent));
+ else {
+ lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(),
+ std::min(action->m_rate, sg_tcp_gamma / (2.0 * action->m_latCurrent)));
+
+ if (action->m_rate < sg_tcp_gamma / (2.0 * action->m_latCurrent)) {
+ XBT_INFO("Flow is limited BYBANDWIDTH");
+ } else {
+ XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f", action->m_latCurrent);
+ }
+ }
+ if (!action->isSuspended())
+ lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->m_weight);
+ }
}
/**********
delta = now - m_lastUpdate;
if (m_remains > 0) {
- XBT_DEBUG("Updating action(%p): remains was %lf, last_update was: %lf", this, m_remains, m_lastUpdate);
- double_update(&(m_remains), m_lastValue * delta);
+ XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate);
+ double_update(&(m_remains), m_lastValue * delta, sg_maxmin_precision*sg_surf_precision);
- XBT_DEBUG("Updating action(%p): remains is now %lf", this, m_remains);
+ XBT_DEBUG("Updating action(%p): remains is now %f", this, m_remains);
}
if (m_maxDuration != NO_MAX_DURATION)
- double_update(&m_maxDuration, delta);
+ double_update(&m_maxDuration, delta, sg_surf_precision);
if (m_remains <= 0 &&
(lmm_get_variable_weight(getVariable()) > 0)) {
m_lastUpdate = now;
m_lastValue = lmm_variable_getvalue(getVariable());
}
-void NetworkCm02Action::recycle()
-{
- return;
-}
+}
+}