#include "xbt/mallocator.h"
#include "maxmin_private.h"
#include <stdlib.h>
-#include <stdio.h> /* sprintf */
+#include <stdio.h> /* sprintf */
#include <math.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_maxmin, surf,
- "Logging specific to SURF (maxmin)");
+ "Logging specific to SURF (maxmin)");
static void *lmm_variable_mallocator_new_f(void);
static void lmm_variable_mallocator_free_f(void *var);
l->modified = 0;
xbt_swag_init(&(l->variable_set),
- xbt_swag_offset(var, variable_set_hookup));
+ xbt_swag_offset(var, variable_set_hookup));
xbt_swag_init(&(l->constraint_set),
- xbt_swag_offset(cnst, constraint_set_hookup));
+ xbt_swag_offset(cnst, constraint_set_hookup));
xbt_swag_init(&(l->active_constraint_set),
- xbt_swag_offset(cnst, active_constraint_set_hookup));
+ xbt_swag_offset(cnst, active_constraint_set_hookup));
xbt_swag_init(&(l->saturated_variable_set),
- xbt_swag_offset(var, saturated_variable_set_hookup));
+ xbt_swag_offset(var, saturated_variable_set_hookup));
xbt_swag_init(&(l->saturated_constraint_set),
- xbt_swag_offset(cnst, saturated_constraint_set_hookup));
+ xbt_swag_offset(cnst, saturated_constraint_set_hookup));
l->variable_mallocator = xbt_mallocator_new(64,
- lmm_variable_mallocator_new_f,
- lmm_variable_mallocator_free_f,
- lmm_variable_mallocator_reset_f);
+ lmm_variable_mallocator_new_f,
+ lmm_variable_mallocator_free_f,
+ lmm_variable_mallocator_reset_f);
return l;
}
}
lmm_constraint_t lmm_constraint_new(lmm_system_t sys, void *id,
- double bound_value)
+ double bound_value)
{
lmm_constraint_t cnst = NULL;
s_lmm_element_t elem;
cnst = xbt_new0(s_lmm_constraint_t, 1);
cnst->id = id;
xbt_swag_init(&(cnst->element_set),
- xbt_swag_offset(elem, element_set_hookup));
+ xbt_swag_offset(elem, element_set_hookup));
xbt_swag_init(&(cnst->active_element_set),
- xbt_swag_offset(elem, active_element_set_hookup));
+ xbt_swag_offset(elem, active_element_set_hookup));
cnst->bound = bound_value;
cnst->usage = 0;
}
lmm_variable_t lmm_variable_new(lmm_system_t sys, void *id,
- double weight,
- double bound, int number_of_constraints)
+ double weight,
+ double bound, int number_of_constraints)
{
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);
+ sys, id, weight, bound, number_of_constraints);
var = xbt_mallocator_get(sys->variable_mallocator);
var->id = id;
var->cnsts[i].value = 0.0;
}
var->cnsts_size = number_of_constraints;
- var->cnsts_number = 0; /* Should be useless because of the
- calloc but it seems to help valgrind... */
+ var->cnsts_number = 0; /* Should be useless because of the
+ calloc but it seems to help valgrind... */
var->weight = weight;
var->bound = bound;
var->value = 0.0;
}
void lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
- lmm_variable_t var, double value)
+ lmm_variable_t var, double value)
{
lmm_element_t elem = NULL;
}
void lmm_expand_add(lmm_system_t sys, lmm_constraint_t cnst,
- lmm_variable_t var, double value)
+ lmm_variable_t var, double value)
{
int i;
sys->modified = 1;
break;
if (i < var->cnsts_number) {
- if(cnst->shared) var->cnsts[i].value += value;
- else var->cnsts[i].value = MAX(var->cnsts[i].value,value);
- } else
+ if (cnst->shared)
+ var->cnsts[i].value += value;
+ else
+ var->cnsts[i].value = MAX(var->cnsts[i].value, value);
+ } else
lmm_expand(sys, cnst, var, value);
}
void lmm_elem_set_value(lmm_system_t sys, lmm_constraint_t cnst,
- lmm_variable_t var, double value)
+ lmm_variable_t var, double value)
{
int i;
}
lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys,
- lmm_variable_t var, int num)
+ lmm_variable_t var, int num)
{
if (num < var->cnsts_number)
return (var->cnsts[num].constraint);
}
lmm_variable_t lmm_get_var_from_cnst(lmm_system_t sys,
- lmm_constraint_t cnst,
- lmm_element_t * elem)
+ lmm_constraint_t cnst,
+ lmm_element_t * elem)
{
if (!(*elem))
*elem = xbt_swag_getFirst(&(cnst->element_set));
else
*elem = xbt_swag_getNext(*elem, cnst->element_set.offset);
- if(*elem)
+ if (*elem)
return (*elem)->variable;
- else
+ else
return NULL;
}
}
static void saturated_constraint_set_update(lmm_system_t sys,
- lmm_constraint_t cnst,
- double *min_usage)
+ lmm_constraint_t cnst,
+ double *min_usage)
{
lmm_constraint_t useless_cnst = NULL;
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);
+ "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_getFirst(&(sys->saturated_constraint_set))))
xbt_swag_remove(useless_cnst, &(sys->saturated_constraint_set));
xbt_swag_insert(cnst, &(sys->saturated_constraint_set));
elem_list = &(cnst->active_element_set);
xbt_swag_foreach(elem, elem_list) {
if (elem->variable->weight <= 0)
- break;
+ break;
if ((elem->value > 0))
- xbt_swag_insert(elem->variable, &(sys->saturated_variable_set));
+ xbt_swag_insert(elem->variable, &(sys->saturated_variable_set));
}
xbt_swag_remove(cnst, cnst_list);
}
var_list = &(sys->variable_set);
sprintf(print_buf, "MAX-MIN ( ");
trace_buf =
- xbt_realloc(trace_buf, strlen(trace_buf) + strlen(print_buf) + 1);
+ 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);
+ 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);
+ xbt_realloc(trace_buf, strlen(trace_buf) + strlen(print_buf) + 1);
strcat(trace_buf, print_buf);
DEBUG1("%s", trace_buf);
trace_buf[0] = '\000';
elem_list = &(cnst->element_set);
sprintf(print_buf, "\t");
trace_buf =
- xbt_realloc(trace_buf, strlen(trace_buf) + strlen(print_buf) + 1);
+ 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->value);
+ elem->variable, elem->variable->value);
trace_buf =
- xbt_realloc(trace_buf,
- strlen(trace_buf) + strlen(print_buf) + 1);
+ 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);
+ xbt_realloc(trace_buf, strlen(trace_buf) + strlen(print_buf) + 1);
strcat(trace_buf, print_buf);
if (!cnst->shared) {
sprintf(print_buf, " [MAX-Constraint]");
trace_buf =
- xbt_realloc(trace_buf,
- strlen(trace_buf) + strlen(print_buf) + 1);
+ 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_assert3(!double_positive(sum - cnst->bound),
- "Incorrect value (%f is not smaller than %f): %g",
- sum, cnst->bound, sum - cnst->bound);
+ "Incorrect value (%f is not smaller than %f): %g",
+ sum, cnst->bound, sum - cnst->bound);
}
DEBUG0("Variables");
xbt_swag_foreach(var, var_list) {
if (var->bound > 0) {
DEBUG4("'%p'(%f) : %f (<=%f)", var, var->weight, var->value,
- var->bound);
+ var->bound);
xbt_assert2(!double_positive(var->value - var->bound),
- "Incorrect value (%f is not smaller than %f",
- var->value, var->bound);
+ "Incorrect value (%f is not smaller than %f",
+ var->value, var->bound);
} else
DEBUG3("'%p'(%f) : %f", var, var->weight, var->value);
}
var_list = &(sys->variable_set);
DEBUG1("Variable set : %d", xbt_swag_size(var_list));
xbt_swag_foreach(var, var_list) {
- int nb=0;
+ int nb = 0;
int i;
- if(var->weight<=0.0) break;
+ if (var->weight <= 0.0)
+ break;
var->value = 0.0;
for (i = 0; i < var->cnsts_number; i++) {
- if(var->cnsts[i].value==0.0) nb++;
+ if (var->cnsts[i].value == 0.0)
+ nb++;
}
- if((nb==var->cnsts_number) && (var->weight>0.0))
+ if ((nb == var->cnsts_number) && (var->weight > 0.0))
var->value = 1.0;
}
cnst->usage = 0.0;
xbt_swag_foreach(elem, elem_list) {
if (elem->variable->weight <= 0)
- break;
+ break;
if ((elem->value > 0)) {
- if (cnst->shared)
- cnst->usage += elem->value / elem->variable->weight;
- else if (cnst->usage < elem->value / elem->variable->weight)
- cnst->usage = elem->value / elem->variable->weight;
- DEBUG2("Constraint Usage %p : %f", cnst, cnst->usage);
- make_elem_active(elem);
+ if (cnst->shared)
+ cnst->usage += elem->value / elem->variable->weight;
+ else if (cnst->usage < elem->value / elem->variable->weight)
+ cnst->usage = elem->value / elem->variable->weight;
+ DEBUG2("Constraint Usage %p : %f", cnst, cnst->usage);
+ make_elem_active(elem);
}
}
/* Saturated constraints update */
var_list = &(sys->saturated_variable_set);
xbt_swag_foreach(var, var_list) {
- if(var->weight<=0.0) DIE_IMPOSSIBLE;
+ if (var->weight <= 0.0)
+ DIE_IMPOSSIBLE;
/* First check if some of these variables have reach their upper
bound and update min_usage accordingly. */
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);
+ ("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)) {
- if(min_bound<0)
- min_bound = var->bound;
- else
- min_bound = MIN(min_bound,var->bound);
- DEBUG1("Updated min_bound=%f", min_bound);
+ if (min_bound < 0)
+ min_bound = var->bound;
+ else
+ min_bound = MIN(min_bound, var->bound);
+ DEBUG1("Updated min_bound=%f", min_bound);
}
}
while ((var = xbt_swag_getFirst(var_list))) {
int i;
- if(min_bound<0) {
- var->value = min_usage / var->weight;
+ if (min_bound < 0) {
+ var->value = min_usage / var->weight;
} else {
- if(min_bound == var->bound)
- var->value = var->bound;
- else {
- xbt_swag_remove(var, var_list);
- continue;
- }
+ if (min_bound == var->bound)
+ var->value = var->bound;
+ else {
+ xbt_swag_remove(var, var_list);
+ continue;
+ }
}
DEBUG5("Min usage: %f, Var(%p)->weight: %f, Var(%p)->value: %f ",
- min_usage, var, var->weight, var, var->value);
+ min_usage, var, var->weight, var, var->value);
/* Update usage */
for (i = 0; i < var->cnsts_number; i++) {
- elem = &var->cnsts[i];
- cnst = elem->constraint;
- if (cnst->shared) {
- double_update(&(cnst->remaining), elem->value * var->value);
- double_update(&(cnst->usage), elem->value / var->weight);
- make_elem_inactive(elem);
- } else { /* FIXME one day: We recompute usage.... :( */
- cnst->usage = 0.0;
- make_elem_inactive(elem);
- xbt_swag_foreach(elem, elem_list) {
- if (elem->variable->weight <= 0)
- break;
- if (elem->variable->value > 0)
- break;
- if ((elem->value > 0)) {
- if (cnst->usage < elem->value / elem->variable->weight)
- cnst->usage = elem->value / elem->variable->weight;
- DEBUG2("Constraint Usage %p : %f", cnst, cnst->usage);
- make_elem_active(elem);
- }
- }
- }
+ elem = &var->cnsts[i];
+ cnst = elem->constraint;
+ if (cnst->shared) {
+ double_update(&(cnst->remaining), elem->value * var->value);
+ double_update(&(cnst->usage), elem->value / var->weight);
+ make_elem_inactive(elem);
+ } else { /* FIXME one day: We recompute usage.... :( */
+ cnst->usage = 0.0;
+ make_elem_inactive(elem);
+ xbt_swag_foreach(elem, elem_list) {
+ if (elem->variable->weight <= 0)
+ break;
+ if (elem->variable->value > 0)
+ break;
+ if ((elem->value > 0)) {
+ if (cnst->usage < elem->value / elem->variable->weight)
+ cnst->usage = elem->value / elem->variable->weight;
+ DEBUG2("Constraint Usage %p : %f", cnst, cnst->usage);
+ make_elem_active(elem);
+ }
+ }
+ }
}
xbt_swag_remove(var, var_list);
}
/* Not a O(1) function */
void lmm_update(lmm_system_t sys, lmm_constraint_t cnst,
- lmm_variable_t var, double value)
+ lmm_variable_t var, double value)
{
int i;
*
*/
void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var,
- double bound)
+ double bound)
{
sys->modified = 1;
var->bound = bound;
void lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var,
- double weight)
+ double weight)
{
int i;
lmm_element_t elem;
- if(weight==var->weight) return;
+ if (weight == var->weight)
+ return;
XBT_IN3("(sys=%p, var=%p, weight=%f)", sys, var, weight);
sys->modified = 1;
var->weight = weight;
else
xbt_swag_insert_at_tail(elem, &(elem->constraint->element_set));
}
- if(!weight)
+ if (!weight)
var->value = 0.0;
XBT_OUT;
}
void lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst,
- double bound)
+ double bound)
{
sys->modified = 1;
cnst->bound = bound;
}
lmm_constraint_t lmm_get_next_active_constraint(lmm_system_t sys,
- lmm_constraint_t cnst)
+ lmm_constraint_t cnst)
{
return xbt_swag_getNext(cnst, (sys->active_constraint_set).offset);
}
