double sg_weight_S_parameter = 0.0;/* default value; can be set by model or from command line */
double sg_tcp_gamma = 0.0;
+int sg_network_fullduplex = 0;
/******************************************************************************/
return;
}
+static int net_get_link_latency(surf_action_t action)
+{
+ return action->latency_limited;
+}
+
static double net_action_get_remains(surf_action_t action)
{
return action->remains;
#define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) )))
xbt_swag_foreach(action, running_actions) {
+ if( lmm_is_variable_limited_by_latency(action->variable) ){
+ (action->generic_action).latency_limited = 1;
+ }else{
+ (action->generic_action).latency_limited = 0;
+ }
if (action->latency > 0) {
if (min < 0)
min = action->latency;
if (action->rate < 0)
lmm_update_variable_bound(network_maxmin_system, action->variable,
sg_tcp_gamma / (2.0 * action->lat_current));
- else
+ 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) ){
+ INFO0("Flow is limited BYBANDWIDTH");
+ }else{
+ INFO1("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);
return;
}
+
static surf_action_t net_communicate(const char *src_name, const char *dst_name,
int src, int dst, double size, double rate)
{
Add a link_CM02_t *link and a int link_nb to network_card_CM02_t. It will represent local links for this node
Use the cluster_id for ->id */
xbt_dynar_t route = used_routing->get_route(src, dst);
+ xbt_dynar_t back_route = NULL;
+ int constraints_per_variable = 0;
+
+ if( sg_network_fullduplex == 1){
+ back_route = used_routing->get_route(dst, src);
+ }
+
/* LARGE PLATFORMS HACK:
total_route_size = route_size + src->link_nb + dst->nb */
action =
surf_action_new(sizeof(s_surf_action_network_CM02_t), size,
surf_network_model, failed);
+ (action->generic_action).latency_limited = 0;
xbt_swag_insert(action, action->generic_action.state_set);
action->rate = rate;
/* 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,
- xbt_dynar_length(route));
+ 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,
- xbt_dynar_length(route));
+ lmm_variable_new(network_maxmin_system, action, 1.0, -1.0,constraints_per_variable);
if (action->rate < 0) {
if (action->lat_current > 0)
lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
action->variable, 1.0);
}
- /* LARGE PLATFORMS HACK:
+
+ if( sg_network_fullduplex == 1){
+ DEBUG1("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 */
/* saving the src and dst of this communication */
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);
action->max_duration = duration;
}
+
+/**
+ * FIXME : this should be done in the binding code !!
+ */
+void network_create_resource(char *name,
+ double initial_bandwidth,double initial_latency)
+{
+
+ char* name_link;
+ double bw_initial;
+ tmgr_trace_t bw_trace;
+ double lat_initial;
+ tmgr_trace_t lat_trace;
+ 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_link = xbt_strdup(name);
+ bw_initial = initial_bandwidth;
+ bw_trace = tmgr_trace_new("");
+ lat_initial = initial_latency;
+ lat_trace = tmgr_trace_new("");
+ // FIXME Hard Coded Values
+ //state_initial_link = SURF_RESOURCE_ON;
+ //policy_initial_link = SURF_LINK_SHARED;
+ state_trace = tmgr_trace_new("");
+
+ net_link_new(name_link, bw_initial, bw_trace,
+ lat_initial, lat_trace, state_initial_link, state_trace,
+ policy_initial_link, xbt_dict_new());
+}
+
static void net_finalize(void)
{
surf_model_exit(surf_network_model);
surf_network_model->action_cancel = net_action_cancel;
surf_network_model->action_recycle = net_action_recycle;
surf_network_model->get_remains = net_action_get_remains;
+ surf_network_model->get_latency_limited = net_get_link_latency;
surf_network_model->model_private->resource_used = net_resource_used;
surf_network_model->model_private->share_resources = net_share_resources;
surf_network_model->extension.network.communicate = net_communicate;
surf_network_model->extension.network.get_link_bandwidth =
net_get_link_bandwidth;
- surf_network_model->extension.network.get_link_latency = net_get_link_latency;
surf_network_model->extension.network.link_shared = net_link_shared;
+ surf_network_model->extension.network.create_resource = network_create_resource;
+ surf_network_model->extension.network.add_traces = net_add_traces;
if (!network_maxmin_system)
network_maxmin_system = lmm_system_new();
NULL));
}
+
+
/************************************************************************/
/* New model based on LV08 and experimental results of MPI ping-pongs */
/************************************************************************/
update_model_description(surf_network_model_description,
"Vegas", surf_network_model);
}
+
+
