-/* $Id$ */
-
-/* Copyright (c) 2007 Arnaud Legrand. All rights reserved. */
+/* Copyright (c) 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. */
/* Init */
xbt_swag_init(&(cnst_to_update),
- xbt_swag_offset(s_cnst, saturated_constraint_set_hookup));
+ xbt_swag_offset(s_cnst, saturated_constraint_set_hookup));
var_list = &(sys->variable_set);
DEBUG1("Variable set : %d", xbt_swag_size(var_list));
xbt_swag_foreach(var, var_list) {
int nb = 0;
var->value = 0.0;
- DEBUG1("Handling variable %p",var);
+ DEBUG1("Handling variable %p", var);
xbt_swag_insert(var, &(sys->saturated_variable_set));
for (i = 0; i < var->cnsts_number; i++) {
if (var->cnsts[i].value == 0.0)
- nb++;
+ nb++;
}
if ((nb == var->cnsts_number) && (var->weight > 0.0)) {
- DEBUG1("Err, finally, there is no need to take care of variable %p",var);
+ DEBUG1("Err, finally, there is no need to take care of variable %p",
+ var);
xbt_swag_remove(var, &(sys->saturated_variable_set));
var->value = 1.0;
}
if (var->weight <= 0.0) {
- DEBUG1("Err, finally, there is no need to take care of variable %p",var);
+ DEBUG1("Err, finally, there is no need to take care of variable %p",
+ var);
xbt_swag_remove(var, &(sys->saturated_variable_set));
}
}
lmm_print(sys);
}
DEBUG1("******* Constraints to process: %d *******",
- xbt_swag_size(cnst_list));
+ xbt_swag_size(cnst_list));
min_usage = -1;
xbt_swag_foreach_safe(cnst, cnst_next, cnst_list) {
int nb = 0;
elem_list = &(cnst->element_set);
cnst->usage = 0.0;
xbt_swag_foreach(elem, elem_list) {
- if (elem->variable->weight <= 0)
- break;
- if ((elem->value > 0) &&
- xbt_swag_belongs(elem->variable, var_list))
- nb++;
+ if (elem->variable->weight <= 0)
+ break;
+ if ((elem->value > 0) && xbt_swag_belongs(elem->variable, var_list))
+ nb++;
}
DEBUG1("\tThere are %d variables", nb);
if (nb > 0 && !cnst->shared)
- nb = 1;
+ nb = 1;
if (!nb) {
- cnst->remaining = 0.0;
- cnst->usage = cnst->remaining;
- xbt_swag_remove(cnst, cnst_list);
- continue;
+ cnst->remaining = 0.0;
+ cnst->usage = cnst->remaining;
+ xbt_swag_remove(cnst, cnst_list);
+ continue;
}
cnst->usage = cnst->remaining / nb;
DEBUG3("\tConstraint Usage %p : %f with %d variables", cnst,
- cnst->usage, nb);
+ cnst->usage, nb);
}
xbt_swag_foreach_safe(var, var_next, var_list) {
- double min_inc = var->cnsts[0].constraint->usage /
- var->cnsts[0].value;
+ double min_inc = var->cnsts[0].constraint->usage / var->cnsts[0].value;
for (i = 1; i < var->cnsts_number; i++) {
- lmm_element_t elm = &var->cnsts[i];
- min_inc = MIN(min_inc, elm->constraint->usage / elm->value);
+ lmm_element_t elm = &var->cnsts[i];
+ min_inc = MIN(min_inc, elm->constraint->usage / elm->value);
}
if (var->bound > 0)
- min_inc = MIN(min_inc, var->bound - var->value);
+ min_inc = MIN(min_inc, var->bound - var->value);
var->mu = min_inc;
DEBUG2("Updating variable %p maximum increment: %g", var, var->mu);
var->value += var->mu;
if (var->value == var->bound) {
- xbt_swag_remove(var, var_list);
+ xbt_swag_remove(var, var_list);
}
}
DEBUG1("Updating cnst %p ", cnst);
elem_list = &(cnst->element_set);
xbt_swag_foreach(elem, elem_list) {
- if (elem->variable->weight <= 0)
- break;
- if (cnst->shared) {
- DEBUG4("\tUpdate constraint %p (%g) with variable %p by %g",
- cnst, cnst->remaining, elem->variable,
- elem->variable->mu);
- double_update(&(cnst->remaining),
- elem->value * elem->variable->mu);
- } else {
- DEBUG4
- ("\tNon-Shared variable. Update constraint usage of %p (%g) with variable %p by %g",
- cnst, cnst->usage, elem->variable, elem->variable->mu);
- cnst->usage = MIN(cnst->usage, elem->value * elem->variable->mu);
- }
+ if (elem->variable->weight <= 0)
+ break;
+ if (cnst->shared) {
+ DEBUG4("\tUpdate constraint %p (%g) with variable %p by %g",
+ cnst, cnst->remaining, elem->variable, elem->variable->mu);
+ double_update(&(cnst->remaining), elem->value * elem->variable->mu);
+ } else {
+ DEBUG4
+ ("\tNon-Shared variable. Update constraint usage of %p (%g) with variable %p by %g",
+ cnst, cnst->usage, elem->variable, elem->variable->mu);
+ cnst->usage = MIN(cnst->usage, elem->value * elem->variable->mu);
+ }
}
if (!cnst->shared) {
- DEBUG3("\tUpdate constraint %p (%g) by %g",
- cnst, cnst->remaining, cnst->usage);
+ DEBUG3("\tUpdate constraint %p (%g) by %g",
+ cnst, cnst->remaining, cnst->usage);
- double_update(&(cnst->remaining), cnst->usage);
+ double_update(&(cnst->remaining), cnst->usage);
}
DEBUG2("\tRemaining for %p : %g", cnst, cnst->remaining);
if (cnst->remaining == 0.0) {
- DEBUG1("\tGet rid of constraint %p", cnst);
-
- xbt_swag_remove(cnst, cnst_list);
- xbt_swag_foreach(elem, elem_list) {
- if (elem->variable->weight <= 0)
- break;
- if (elem->value > 0) {
- DEBUG1("\t\tGet rid of variable %p", elem->variable);
- xbt_swag_remove(elem->variable, var_list);
- }
- }
+ DEBUG1("\tGet rid of constraint %p", cnst);
+
+ xbt_swag_remove(cnst, cnst_list);
+ xbt_swag_foreach(elem, elem_list) {
+ if (elem->variable->weight <= 0)
+ break;
+ if (elem->value > 0) {
+ DEBUG1("\t\tGet rid of variable %p", elem->variable);
+ xbt_swag_remove(elem->variable, var_list);
+ }
+ }
}
}
} while (xbt_swag_size(var_list));
