-/* Copyright (c) 2004-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2017. 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 "xbt/mallocator.h"
#include "xbt/sysdep.h"
#include <cxxabi.h>
+#include <limits>
#include <math.h>
#include <stdio.h> /* sprintf */
#include <stdlib.h>
+
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_maxmin, surf, "Logging specific to SURF (maxmin)");
typedef struct s_dyn_light {
static inline void lmm_variable_remove(lmm_system_t sys, lmm_variable_t var)
{
int i;
- int nelements;
lmm_element_t elem = nullptr;
xbt_swag_remove(elem, &(elem->constraint->enabled_element_set));
xbt_swag_remove(elem, &(elem->constraint->disabled_element_set));
xbt_swag_remove(elem, &(elem->constraint->active_element_set));
- nelements=xbt_swag_size(&(elem->constraint->enabled_element_set)) +
- xbt_swag_size(&(elem->constraint->disabled_element_set));
- if (not nelements)
+ int nelements = xbt_swag_size(&(elem->constraint->enabled_element_set)) +
+ xbt_swag_size(&(elem->constraint->disabled_element_set));
+ if (nelements == 0)
make_constraint_inactive(sys, elem->constraint);
else
lmm_on_disabled_var(sys,elem->constraint);
void lmm_expand(lmm_system_t sys, lmm_constraint_t cnst, lmm_variable_t var, double value)
{
lmm_element_t elem = nullptr;
- double weight;
int i,current_share;
sys->modified = 1;
//Check if we need to disable the variable
if(var->weight>0 && var->concurrency_share-current_share>lmm_concurrency_slack(cnst)) {
- weight=var->weight;
+ double weight = var->weight;
lmm_disable_var(sys,var);
for (i = 0; i < var->cnsts_number; i++)
lmm_on_disabled_var(sys,var->cnsts[i].constraint);
void lmm_expand_add(lmm_system_t sys, lmm_constraint_t cnst, lmm_variable_t var, double value)
{
- int i,j;
+ int i;
double weight;
sys->modified = 1;
if(lmm_concurrency_slack(cnst)<lmm_element_concurrency(&var->cnsts[i])){
weight=var->weight;
lmm_disable_var(sys,var);
- for (j = 0; j < var->cnsts_number; j++)
+ for (int j = 0; j < var->cnsts_number; j++)
lmm_on_disabled_var(sys,var->cnsts[j].constraint);
var->staged_weight=weight;
xbt_assert(not var->weight);
xbt_swag_t var_list = nullptr;
xbt_swag_t elem_list = nullptr;
std::string buf = std::string("MAX-MIN ( ");
- double sum = 0.0;
/* Printing Objective */
var_list = &(sys->variable_set);
/* Printing Constraints */
cnst_list = &(sys->active_constraint_set);
xbt_swag_foreach(_cnst, cnst_list) {
- cnst = (lmm_constraint_t)_cnst;
- sum = 0.0;
+ cnst = (lmm_constraint_t)_cnst;
+ double sum = 0.0;
//Show the enabled variables
elem_list = &(cnst->enabled_element_set);
buf += "\t";
/** \brief Measure the minimum concurrency slack across all constraints where the given var is involved */
int lmm_cnstrs_min_concurrency_slack(lmm_variable_t var){
- int i;
- //FIXME MARTIN: Replace by infinite value std::numeric_limits<int>::(max)(), or something better within Simgrid?
- int slack,minslack=666;
- for (i = 0; i < var->cnsts_number; i++) {
- slack=lmm_concurrency_slack(var->cnsts[i].constraint);
+ int minslack = std::numeric_limits<int>::max();
+ for (int i = 0; i < var->cnsts_number; i++) {
+ int slack = lmm_concurrency_slack(var->cnsts[i].constraint);
//This is only an optimization, to avoid looking at more constraints when slack is already zero
//Disable it when debugging to let lmm_concurrency_slack catch nasty things
}
void lmm_check_concurrency(lmm_system_t sys){
- void* _cnst;
- void* _elem;
- void* _var;
- lmm_element_t elem;
- lmm_constraint_t cnst;
- lmm_variable_t var;
- int concurrency;
- int i,belong_to_enabled,belong_to_disabled,belong_to_active;
-
//These checks are very expensive, so do them only if we want to debug SURF LMM
if (XBT_LOG_ISENABLED(surf_maxmin, xbt_log_priority_debug)) {
- xbt_swag_foreach(_cnst, &(sys->constraint_set)) {
- cnst = (lmm_constraint_t) _cnst;
- concurrency=0;
- xbt_swag_foreach(_elem, &(cnst->enabled_element_set)) {
- elem = (lmm_element_t)_elem;
+ void* cnstIt;
+ xbt_swag_foreach(cnstIt, &(sys->constraint_set))
+ {
+ lmm_constraint_t cnst = (lmm_constraint_t)cnstIt;
+ int concurrency = 0;
+ void* elemIt;
+ xbt_swag_foreach(elemIt, &(cnst->enabled_element_set))
+ {
+ lmm_element_t elem = (lmm_element_t)elemIt;
xbt_assert(elem->variable->weight > 0);
concurrency+=lmm_element_concurrency(elem);
}
- xbt_swag_foreach(_elem, &(cnst->disabled_element_set)) {
- elem = (lmm_element_t)_elem;
+ xbt_swag_foreach(elemIt, &(cnst->disabled_element_set))
+ {
+ lmm_element_t elem = (lmm_element_t)elemIt;
//We should have staged variables only if concurrency is reached in some constraint
xbt_assert(cnst->concurrency_limit<0 || elem->variable->staged_weight==0 ||
lmm_cnstrs_min_concurrency_slack(elem->variable) < elem->variable->concurrency_share,
}
//Check that for each variable, all corresponding elements are in the same state (i.e. same element sets)
- xbt_swag_foreach(_var, &(sys->variable_set)) {
- var= (lmm_variable_t) _var;
+ void* varIt;
+ xbt_swag_foreach(varIt, &(sys->variable_set))
+ {
+ lmm_variable_t var = (lmm_variable_t)varIt;
if (not var->cnsts_number)
continue;
- elem = &var->cnsts[0];
- belong_to_enabled=xbt_swag_belongs(elem,&(elem->constraint->enabled_element_set));
- belong_to_disabled=xbt_swag_belongs(elem,&(elem->constraint->disabled_element_set));
- belong_to_active=xbt_swag_belongs(elem,&(elem->constraint->active_element_set));
+ lmm_element_t elem = &var->cnsts[0];
+ int belong_to_enabled = xbt_swag_belongs(elem, &(elem->constraint->enabled_element_set));
+ int belong_to_disabled = xbt_swag_belongs(elem, &(elem->constraint->disabled_element_set));
+ int belong_to_active = xbt_swag_belongs(elem, &(elem->constraint->active_element_set));
- for (i = 1; i < var->cnsts_number; i++) {
+ for (int i = 1; i < var->cnsts_number; i++) {
elem = &var->cnsts[i];
xbt_assert(belong_to_enabled==xbt_swag_belongs(elem,&(elem->constraint->enabled_element_set)),
"Variable inconsistency (1): enabled_element_set");
