#include "xbt/mallocator.h"
#include "xbt/swag.h"
+#include <vector>
+
/** @ingroup SURF_lmm
* @brief LMM element
* Elements can be seen as glue between constraint objects and variable objects.
* Basically, each variable will have a set of elements, one for each constraint where it is involved.
* Then, it is used to list all variables involved in constraint through constraint's xxx_element_set lists, or vice-versa list all constraints for a given variable.
*/
-typedef struct lmm_element {
+struct s_lmm_element_t {
/* hookup to constraint */
s_xbt_swag_hookup_t enabled_element_set_hookup;
s_xbt_swag_hookup_t disabled_element_set_hookup;
// - if CPU, then probably 1.
// - If network, then 1 in forward direction and 0.05 backward for the ACKs
double consumption_weight;
-} s_lmm_element_t;
-#define make_elem_active(elem) xbt_swag_insert_at_head(elem,&(elem->constraint->active_element_set))
-#define make_elem_inactive(elem) xbt_swag_remove(elem,&(elem->constraint->active_element_set))
+};
+#define make_elem_active(elem) xbt_swag_insert_at_head((elem), &((elem)->constraint->active_element_set))
+#define make_elem_inactive(elem) xbt_swag_remove((elem), &((elem)->constraint->active_element_set))
-typedef struct lmm_constraint_light {
+struct s_lmm_constraint_light_t {
double remaining_over_usage;
lmm_constraint_t cnst;
-} s_lmm_constraint_light_t;
+};
/** @ingroup SURF_lmm
* @brief LMM constraint
* \li Active elements which variable's weight is non-zero (i.e. it is enabled) AND its element value is non-zero. LMM_solve iterates over active elements during resolution, dynamically making them active or unactive.
*
*/
-typedef struct lmm_constraint {
+struct s_lmm_constraint_t {
/* hookup to system */
s_xbt_swag_hookup_t constraint_set_hookup;
s_xbt_swag_hookup_t active_constraint_set_hookup;
double lambda;
double new_lambda;
lmm_constraint_light_t cnst_light;
-} s_lmm_constraint_t;
+};
/** @ingroup SURF_lmm
* @brief LMM variable
*
* When something prevents us from enabling a variable, we "stage" the weight that we would have like to set, so that as soon as possible we enable the variable with desired weight
*/
-typedef struct lmm_variable {
+struct s_lmm_variable_t {
/* hookup to system */
s_xbt_swag_hookup_t variable_set_hookup;
s_xbt_swag_hookup_t saturated_variable_set_hookup;
- s_lmm_element_t *cnsts;
- int cnsts_size;
- int cnsts_number;
+ std::vector<s_lmm_element_t> cnsts;
// sharing_weight: variable's impact on the resource during the sharing
// if == 0, the variable is not considered by LMM
/* \begin{For Lagrange only} */
double mu;
double new_mu;
- double (*func_f) (struct lmm_variable * var, double x); /* (f) */
- double (*func_fp) (struct lmm_variable * var, double x); /* (f') */
- double (*func_fpi) (struct lmm_variable * var, double x); /* (f')^{-1} */
+ double (*func_f)(s_lmm_variable_t* var, double x); /* (f) */
+ double (*func_fp)(s_lmm_variable_t* var, double x); /* (f') */
+ double (*func_fpi)(s_lmm_variable_t* var, double x); /* (f')^{-1} */
/* \end{For Lagrange only} */
-} s_lmm_variable_t;
+};
/** @ingroup SURF_lmm
* @brief LMM system
*/
-typedef struct lmm_system {
+struct s_lmm_system_t {
int modified;
bool selective_update_active; /* flag to update partially the system only selecting changed portions */
unsigned visited_counter; /* used by lmm_update_modified_set and lmm_remove_modified_set to cleverly (un-)flag the constraints (more details in these functions)*/
xbt_mallocator_t variable_mallocator;
void (*solve_fun)(lmm_system_t self);
-} s_lmm_system_t;
-
-#define extract_variable(sys) xbt_swag_extract(&(sys->variable_set))
-#define extract_constraint(sys) xbt_swag_extract(&(sys->constraint_set))
-#define insert_constraint(sys,cnst) xbt_swag_insert(cnst,&(sys->constraint_set))
-#define remove_variable(sys,var) do {xbt_swag_remove(var,&(sys->variable_set));\
- xbt_swag_remove(var,&(sys->saturated_variable_set));} while(0)
-#define remove_constraint(sys,cnst) do {xbt_swag_remove(cnst,&(sys->constraint_set));\
- xbt_swag_remove(cnst,&(sys->saturated_constraint_set));} while(0)
-#define make_constraint_active(sys,cnst) xbt_swag_insert(cnst,&(sys->active_constraint_set))
-#define make_constraint_inactive(sys,cnst) \
- do { xbt_swag_remove(cnst, &sys->active_constraint_set); \
- xbt_swag_remove(cnst, &sys->modified_constraint_set); } while (0)
+};
+
+#define extract_variable(sys) xbt_swag_extract(&((sys)->variable_set))
+#define extract_constraint(sys) xbt_swag_extract(&((sys)->constraint_set))
+#define insert_constraint(sys, cnst) xbt_swag_insert((cnst), &((sys)->constraint_set))
+#define remove_variable(sys, var) \
+ do { \
+ xbt_swag_remove(var, &((sys)->variable_set)); \
+ xbt_swag_remove(var, &((sys)->saturated_variable_set)); \
+ } while (0)
+#define remove_constraint(sys, cnst) \
+ do { \
+ xbt_swag_remove((cnst), &((sys)->constraint_set)); \
+ xbt_swag_remove((cnst), &((sys)->saturated_constraint_set)); \
+ } while (0)
+#define make_constraint_active(sys, cnst) xbt_swag_insert((cnst), &((sys)->active_constraint_set))
+#define make_constraint_inactive(sys, cnst) \
+ do { \
+ xbt_swag_remove((cnst), &(sys)->active_constraint_set); \
+ xbt_swag_remove((cnst), &(sys)->modified_constraint_set); \
+ } while (0)
/** @ingroup SURF_lmm
* @brief Print information about a lmm system