int i;
lmm_element_t elem = NULL;
- XBT_IN2("%p,%p",sys,var);
+ XBT_IN2("(sys=%p, var=%p)",sys,var);
sys->modified = 1;
for (i = 0; i < var->cnsts_number; i++) {
{
lmm_variable_t var = NULL;
int i;
+
+ XBT_IN5("(sys=%p, id=%p, weight=%f, bound=%f, num_cons =%d)",
+ sys,id,weight,bound,number_of_constraints);
+
var = xbt_new0(s_lmm_variable_t, 1);
var->id = id;
var->cnsts = xbt_new0(s_lmm_element_t, number_of_constraints);
var->value = 0.0;
if(weight) xbt_swag_insert_at_head(var,&(sys->variable_set));
else xbt_swag_insert_at_tail(var,&(sys->variable_set));
-
+ XBT_OUT;
return var;
}
{
lmm_constraint_t useless_cnst = NULL;
- if (cnst->usage <= 0)
+ XBT_IN3("sys=%p, cnst=%p, min_usage=%f",sys,cnst,*min_usage);
+ if (cnst->usage <= 0) {
+ XBT_OUT;
return;
- if (cnst->remaining <= 0)
+ }
+ if (cnst->remaining <= 0) {
+ XBT_OUT;
return;
+ }
if ((*min_usage < 0) || (*min_usage > cnst->remaining / cnst->usage)) {
*min_usage = cnst->remaining / cnst->usage;
-
+ LOG3(xbt_log_priority_trace,
+ "min_usage=%f (cnst->remaining=%f, cnst->usage=%f)",*min_usage,
+ cnst->remaining, cnst->usage);
while ((useless_cnst =
xbt_swag_getFirst(&(sys->saturated_constraint_set))))
xbt_swag_remove(useless_cnst, &(sys->saturated_constraint_set));
} else if (*min_usage == cnst->remaining / cnst->usage) {
xbt_swag_insert(cnst, &(sys->saturated_constraint_set));
}
+ XBT_OUT;
}
static void saturated_variable_set_update(lmm_system_t sys)
}
}
-/* static void lmm_print(lmm_system_t sys) */
-/* { */
-/* lmm_constraint_t cnst = NULL; */
-/* lmm_element_t elem = NULL; */
-/* xbt_swag_t cnst_list = NULL; */
-/* xbt_swag_t elem_list = NULL; */
-
-/* cnst_list = &(sys->active_constraint_set); */
-/* xbt_swag_foreach(cnst, cnst_list) { */
-/* elem_list = &(cnst->element_set); */
-/* xbt_swag_foreach(elem, elem_list) { */
-/* printf("%g.%p(%g) + ",elem->value, elem->variable,elem->variable->weight); */
-/* } */
-/* printf("0 <= %g \n",cnst->bound); */
-/* } */
-/* fflush(NULL); */
-/* } */
+static void lmm_print(lmm_system_t sys)
+{
+ lmm_constraint_t cnst = NULL;
+ lmm_element_t elem = NULL;
+ lmm_variable_t var = NULL;
+ xbt_swag_t cnst_list = NULL;
+ xbt_swag_t var_list = NULL;
+ xbt_swag_t elem_list = NULL;
+ char print_buf[1024];
+ char *trace_buf=xbt_malloc0(sizeof(char));
+ double sum=0.0;
+
+ /* Printing Objective */
+ var_list = &(sys->variable_set);
+ sprintf(print_buf,"MAX-MIN ( ");
+ trace_buf = xbt_realloc(trace_buf,strlen(trace_buf)+strlen(print_buf)+1);
+ strcat(trace_buf, print_buf);
+ xbt_swag_foreach(var, var_list) {
+ sprintf(print_buf,"'%p'(%f) ",var,var->weight);
+ trace_buf = xbt_realloc(trace_buf,strlen(trace_buf)+strlen(print_buf)+1);
+ strcat(trace_buf, print_buf);
+ }
+ sprintf(print_buf,")");
+ trace_buf = xbt_realloc(trace_buf,strlen(trace_buf)+strlen(print_buf)+1);
+ strcat(trace_buf, print_buf);
+ DEBUG1("%s",trace_buf);
+ trace_buf[0]='\000';
+
+ /* Printing Constraints */
+ cnst_list = &(sys->active_constraint_set);
+ xbt_swag_foreach(cnst, cnst_list) {
+ sum=0.0;
+ elem_list = &(cnst->element_set);
+ sprintf(print_buf,"\t");
+ trace_buf = xbt_realloc(trace_buf,strlen(trace_buf)+strlen(print_buf)+1);
+ strcat(trace_buf, print_buf);
+ xbt_swag_foreach(elem, elem_list) {
+ sprintf(print_buf,"%f.'%p'(%f) + ",elem->value,
+ elem->variable,elem->variable->weight);
+ trace_buf = xbt_realloc(trace_buf,strlen(trace_buf)+strlen(print_buf)+1);
+ strcat(trace_buf, print_buf);
+ sum += elem->value * elem->variable->value;
+ }
+ sprintf(print_buf,"0 <= %f ('%p')",cnst->bound,cnst);
+ trace_buf = xbt_realloc(trace_buf,strlen(trace_buf)+strlen(print_buf)+1);
+ strcat(trace_buf, print_buf);
+ DEBUG1("%s",trace_buf);
+ trace_buf[0]='\000';
+ xbt_assert0((sum<=cnst->bound), "Incorrect value");
+ }
+
+ /* Printing Result */
+ xbt_swag_foreach(var, var_list) {
+ if(var->bound>0) {
+ DEBUG4("'%p'(%f) : %f (<=%f)",var,var->weight,var->value, var->bound);
+ xbt_assert0((var->value<=var->bound), "Incorrect value");
+ }
+ else
+ DEBUG3("'%p'(%f) : %f",var,var->weight,var->value);
+ }
+
+ free(trace_buf);
+}
void lmm_solve(lmm_system_t sys)
{
xbt_swag_foreach(var, var_list) {
/* First check if some of these variables have reach their upper
bound and update min_usage accordingly. */
- if ((var->bound > 0) && (var->bound / var->weight < min_usage)) {
- min_usage = var->bound / var->weight;
+ DEBUG5("var=%p, var->bound=%f, var->weight=%f, min_usage=%f, var->bound*var->weight=%f",
+ var, var->bound, var->weight, min_usage,var->bound * var->weight);
+ if ((var->bound > 0) && (var->bound * var->weight < min_usage)) {
+ min_usage = var->bound * var->weight;
+ DEBUG1("Updated min_usage=%f",min_usage);
}
}
} while (xbt_swag_size(&(sys->saturated_variable_set)));
sys->modified = 0;
-/* lmm_print(sys); */
+ if(XBT_LOG_ISENABLED(maxmin, xbt_log_priority_debug)) {
+ lmm_print(sys);
+ }
}
/* Not a O(1) function */
int i ;
lmm_element_t elem;
+ XBT_IN3("(sys=%p, var=%p, weight=%f)",sys,var,weight);
sys->modified = 1;
var->weight = weight;
xbt_swag_remove(var,&(sys->variable_set));
if(weight) xbt_swag_insert_at_head(elem, &(elem->constraint->element_set));
else xbt_swag_insert_at_tail(elem, &(elem->constraint->element_set));
}
+ XBT_OUT;
}
double lmm_get_variable_weight(lmm_variable_t var)
