#include "xbt/asserts.h"
#include "xbt/mallocator.h"
#include "xbt/misc.h"
-#include "xbt/swag.h"
+#include <boost/intrusive/list.hpp>
#include <cmath>
#include <limits>
#include <vector>
/** Default functions associated to the chosen protocol. When using the lagrangian approach. */
XBT_PUBLIC(void)
-lmm_set_default_protocol_function(double (*func_f)(lmm_variable_t var, double x),
- double (*func_fp)(lmm_variable_t var, double x),
- double (*func_fpi)(lmm_variable_t var, double x));
+lmm_set_default_protocol_function(double (*func_f)(const s_lmm_variable_t& var, double x),
+ double (*func_fp)(const s_lmm_variable_t& var, double x),
+ double (*func_fpi)(const s_lmm_variable_t& var, double x));
-XBT_PUBLIC(double) func_reno_f(lmm_variable_t var, double x);
-XBT_PUBLIC(double) func_reno_fp(lmm_variable_t var, double x);
-XBT_PUBLIC(double) func_reno_fpi(lmm_variable_t var, double x);
+XBT_PUBLIC(double) func_reno_f(const s_lmm_variable_t& var, double x);
+XBT_PUBLIC(double) func_reno_fp(const s_lmm_variable_t& var, double x);
+XBT_PUBLIC(double) func_reno_fpi(const s_lmm_variable_t& var, double x);
-XBT_PUBLIC(double) func_reno2_f(lmm_variable_t var, double x);
-XBT_PUBLIC(double) func_reno2_fp(lmm_variable_t var, double x);
-XBT_PUBLIC(double) func_reno2_fpi(lmm_variable_t var, double x);
+XBT_PUBLIC(double) func_reno2_f(const s_lmm_variable_t& var, double x);
+XBT_PUBLIC(double) func_reno2_fp(const s_lmm_variable_t& var, double x);
+XBT_PUBLIC(double) func_reno2_fpi(const s_lmm_variable_t& var, double x);
-XBT_PUBLIC(double) func_vegas_f(lmm_variable_t var, double x);
-XBT_PUBLIC(double) func_vegas_fp(lmm_variable_t var, double x);
-XBT_PUBLIC(double) func_vegas_fpi(lmm_variable_t var, double x);
+XBT_PUBLIC(double) func_vegas_f(const s_lmm_variable_t& var, double x);
+XBT_PUBLIC(double) func_vegas_fp(const s_lmm_variable_t& var, double x);
+XBT_PUBLIC(double) func_vegas_fpi(const s_lmm_variable_t& var, double x);
/**
* @brief LMM element
void make_inactive();
/* hookup to constraint */
- s_xbt_swag_hookup_t enabled_element_set_hookup;
- s_xbt_swag_hookup_t disabled_element_set_hookup;
- s_xbt_swag_hookup_t active_element_set_hookup;
+ boost::intrusive::list_member_hook<> enabled_element_set_hook;
+ boost::intrusive::list_member_hook<> disabled_element_set_hook;
+ boost::intrusive::list_member_hook<> active_element_set_hook;
lmm_constraint_t constraint;
lmm_variable_t variable;
* @param elem A element of constraint of the constraint or NULL
* @return A variable associated to a constraint
*/
- lmm_variable_t get_variable(lmm_element_t * elem) const;
+ lmm_variable_t get_variable(const_lmm_element_t* elem) const;
/**
* @brief Get a var associated to a constraint
* @param numelem parameter representing the number of elements to go
* @return A variable associated to a constraint
*/
- lmm_variable_t get_variable_safe(lmm_element_t * elem, lmm_element_t * nextelem, int* numelem) const;
+ lmm_variable_t get_variable_safe(const_lmm_element_t* elem, const_lmm_element_t* nextelem, int* numelem) const;
/**
* @brief Get the data associated to a constraint
void* get_id() const { return id; }
/* hookup to system */
- s_xbt_swag_hookup_t constraint_set_hookup = {nullptr, nullptr};
- s_xbt_swag_hookup_t active_constraint_set_hookup = {nullptr, nullptr};
- s_xbt_swag_hookup_t modified_constraint_set_hookup = {nullptr, nullptr};
- s_xbt_swag_hookup_t saturated_constraint_set_hookup = {nullptr, nullptr};
- s_xbt_swag_t enabled_element_set; /* a list of lmm_element_t */
- s_xbt_swag_t disabled_element_set; /* a list of lmm_element_t */
- s_xbt_swag_t active_element_set; /* a list of lmm_element_t */
+ boost::intrusive::list_member_hook<> constraint_set_hook;
+ boost::intrusive::list_member_hook<> active_constraint_set_hook;
+ boost::intrusive::list_member_hook<> modified_constraint_set_hook;
+ boost::intrusive::list_member_hook<> saturated_constraint_set_hook;
+ boost::intrusive::list<s_lmm_element_t,
+ boost::intrusive::member_hook<s_lmm_element_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_element_t::enabled_element_set_hook>>
+ enabled_element_set;
+ boost::intrusive::list<s_lmm_element_t,
+ boost::intrusive::member_hook<s_lmm_element_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_element_t::disabled_element_set_hook>>
+ disabled_element_set;
+ boost::intrusive::list<s_lmm_element_t,
+ boost::intrusive::member_hook<s_lmm_element_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_element_t::active_element_set_hook>>
+ active_element_set;
double remaining;
double usage;
double bound;
int can_enable() const { return staged_weight > 0 && get_min_concurrency_slack() >= concurrency_share; }
/* hookup to system */
- s_xbt_swag_hookup_t variable_set_hookup = {nullptr, nullptr};
- s_xbt_swag_hookup_t saturated_variable_set_hookup = {nullptr, nullptr};
+ boost::intrusive::list_member_hook<> variable_set_hook;
+ boost::intrusive::list_member_hook<> saturated_variable_set_hook;
std::vector<s_lmm_element_t> cnsts;
/* \begin{For Lagrange only} */
double mu;
double new_mu;
- 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} */
+ double (*func_f)(const s_lmm_variable_t& var, double x); /* (f) */
+ double (*func_fp)(const s_lmm_variable_t& var, double x); /* (f') */
+ double (*func_fpi)(const s_lmm_variable_t& var, double x); /* (f')^{-1} */
/* \end{For Lagrange only} */
private:
inline void s_lmm_element_t::make_active()
{
- xbt_swag_insert_at_head(this, &constraint->active_element_set);
+ constraint->active_element_set.push_front(*this);
}
inline void s_lmm_element_t::make_inactive()
{
- xbt_swag_remove(this, &constraint->active_element_set);
+ if (active_element_set_hook.is_linked()) {
+ auto& set = constraint->active_element_set;
+ set.erase(set.iterator_to(*this));
+ }
}
/**
* @param cnst A constraint
* @return [description]
*/
- int constraint_used(lmm_constraint_t cnst) { return xbt_swag_belongs(cnst, &active_constraint_set); }
+ int constraint_used(lmm_constraint_t cnst) { return cnst->active_constraint_set_hook.is_linked(); }
/** @brief Print the lmm system */
- void print();
+ void print() const;
/** @brief Solve the lmm system */
void solve();
void var_free(lmm_variable_t var);
void cnst_free(lmm_constraint_t cnst);
- lmm_variable_t extract_variable() { return static_cast<lmm_variable_t>(xbt_swag_extract(&variable_set)); }
- lmm_constraint_t extract_constraint() { return static_cast<lmm_constraint_t>(xbt_swag_extract(&constraint_set)); }
- void insert_constraint(lmm_constraint_t cnst) { xbt_swag_insert(cnst, &constraint_set); }
+ lmm_variable_t extract_variable()
+ {
+ if (variable_set.empty())
+ return nullptr;
+ lmm_variable_t res = &variable_set.front();
+ variable_set.pop_front();
+ return res;
+ }
+ lmm_constraint_t extract_constraint()
+ {
+ if (constraint_set.empty())
+ return nullptr;
+ lmm_constraint_t res = &constraint_set.front();
+ constraint_set.pop_front();
+ return res;
+ }
+ void insert_constraint(lmm_constraint_t cnst) { constraint_set.push_back(*cnst); }
void remove_variable(lmm_variable_t var)
{
- xbt_swag_remove(var, &variable_set);
- xbt_swag_remove(var, &saturated_variable_set);
+ if (var->variable_set_hook.is_linked())
+ variable_set.erase(variable_set.iterator_to(*var));
+ if (var->saturated_variable_set_hook.is_linked())
+ saturated_variable_set.erase(saturated_variable_set.iterator_to(*var));
+ }
+ void make_constraint_active(lmm_constraint_t cnst)
+ {
+ if (not cnst->active_constraint_set_hook.is_linked())
+ active_constraint_set.push_back(*cnst);
}
- void make_constraint_active(lmm_constraint_t cnst) { xbt_swag_insert(cnst, &active_constraint_set); }
void make_constraint_inactive(lmm_constraint_t cnst)
{
- xbt_swag_remove(cnst, &active_constraint_set);
- xbt_swag_remove(cnst, &modified_constraint_set);
+ if (cnst->active_constraint_set_hook.is_linked())
+ active_constraint_set.erase(active_constraint_set.iterator_to(*cnst));
+ if (cnst->modified_constraint_set_hook.is_linked())
+ modified_constraint_set.erase(modified_constraint_set.iterator_to(*cnst));
}
void enable_var(lmm_variable_t var);
/** @brief Remove all constraints of the modified_constraint_set. */
void remove_all_modified_set();
- void check_concurrency();
+ void check_concurrency() const;
+ template <class CnstList> void solve(CnstList& cnst_list);
public:
bool modified;
- s_xbt_swag_t variable_set; /* a list of lmm_variable_t */
- s_xbt_swag_t active_constraint_set; /* a list of lmm_constraint_t */
- s_xbt_swag_t saturated_variable_set; /* a list of lmm_variable_t */
- s_xbt_swag_t saturated_constraint_set; /* a list of lmm_constraint_t */
+ boost::intrusive::list<s_lmm_variable_t,
+ boost::intrusive::member_hook<s_lmm_variable_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_variable_t::variable_set_hook>>
+ variable_set;
+ boost::intrusive::list<s_lmm_constraint_t,
+ boost::intrusive::member_hook<s_lmm_constraint_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_constraint_t::active_constraint_set_hook>>
+ active_constraint_set;
+ boost::intrusive::list<s_lmm_variable_t,
+ boost::intrusive::member_hook<s_lmm_variable_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_variable_t::saturated_variable_set_hook>>
+ saturated_variable_set;
+ boost::intrusive::list<s_lmm_constraint_t,
+ boost::intrusive::member_hook<s_lmm_constraint_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_constraint_t::saturated_constraint_set_hook>>
+ saturated_constraint_set;
simgrid::surf::ActionLmmListPtr keep_track;
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) */
- s_xbt_swag_t constraint_set; /* a list of lmm_constraint_t */
- s_xbt_swag_t modified_constraint_set; /* a list of modified lmm_constraint_t */
+ boost::intrusive::list<s_lmm_constraint_t,
+ boost::intrusive::member_hook<s_lmm_constraint_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_constraint_t::constraint_set_hook>>
+ constraint_set;
+ boost::intrusive::list<s_lmm_constraint_t,
+ boost::intrusive::member_hook<s_lmm_constraint_t, boost::intrusive::list_member_hook<>,
+ &s_lmm_constraint_t::modified_constraint_set_hook>>
+ modified_constraint_set;
xbt_mallocator_t variable_mallocator;
};
-extern XBT_PRIVATE double (*func_f_def)(lmm_variable_t, double);
-extern XBT_PRIVATE double (*func_fp_def)(lmm_variable_t, double);
-extern XBT_PRIVATE double (*func_fpi_def)(lmm_variable_t, double);
+extern XBT_PRIVATE double (*func_f_def)(const s_lmm_variable_t&, double);
+extern XBT_PRIVATE double (*func_fp_def)(const s_lmm_variable_t&, double);
+extern XBT_PRIVATE double (*func_fpi_def)(const s_lmm_variable_t&, double);
/** @} */
}
