-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2018. 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. */
* Local prototypes to implement the Lagrangian optimization with optimal step, also called dichotomy.
*/
// solves the proportional fairness using a Lagrangian optimization with dichotomy step
-void lagrange_solve(lmm_system_t sys);
+void lagrange_solve(kernel::lmm::System* sys);
// computes the value of the dichotomy using a initial values, init, with a specific variable or constraint
static double dichotomy(double init, double diff(double, const Constraint&), const Constraint& cnst, double min_error);
// computes the value of the differential of constraint cnst applied to lambda
{
for (Constraint const& cnst : cnst_list) {
double tmp = 0;
- for (s_lmm_element_t const& elem : cnst.enabled_element_set) {
- lmm_variable_t var = elem.variable;
+ for (Element const& elem : cnst.enabled_element_set) {
+ Variable* var = elem.variable;
xbt_assert(var->sharing_weight > 0);
tmp += var->value;
}
{
double tmp = 0;
- for (s_lmm_element_t const& elem : var.cnsts) {
+ for (Element const& elem : var.cnsts) {
tmp += elem.constraint->lambda;
}
if (var.bound > 0)
double mu_i = 0.0;
double sigma_i = 0.0;
- for (s_lmm_element_t const& elem : var.cnsts) {
+ for (Element const& elem : var.cnsts) {
sigma_i += elem.constraint->lambda;
}
mu_i = var.func_fp(var, var.bound) - sigma_i;
if (not var.sharing_weight)
break;
- for (s_lmm_element_t const& elem : var.cnsts)
+ for (Element const& elem : var.cnsts)
sigma_i += elem.constraint->lambda;
if (var.bound > 0)
return obj;
}
-void lagrange_solve(lmm_system_t sys)
+void lagrange_solve(kernel::lmm::System* sys)
{
/* Lagrange Variables. */
int max_iterations = 100;
XBT_DEBUG("#### var(%p) ->mu : %e", &var, var.mu);
XBT_DEBUG("#### var(%p) ->weight: %e", &var, var.sharing_weight);
XBT_DEBUG("#### var(%p) ->bound: %e", &var, var.bound);
- auto weighted = std::find_if(begin(var.cnsts), end(var.cnsts),
- [](s_lmm_element_t const& x) { return x.consumption_weight != 0.0; });
+ auto weighted =
+ std::find_if(begin(var.cnsts), end(var.cnsts), [](Element const& x) { return x.consumption_weight != 0.0; });
if (weighted == end(var.cnsts))
var.value = 1.0;
}
XBT_CDEBUG(surf_lagrange_dichotomy, "Computing diff of cnst (%p)", &cnst);
- for (s_lmm_element_t const& elem : cnst.enabled_element_set) {
+ for (Element const& elem : cnst.enabled_element_set) {
Variable& var = *elem.variable;
xbt_assert(var.sharing_weight > 0);
XBT_CDEBUG(surf_lagrange_dichotomy, "Computing sigma_i for var (%p)", &var);
double sigma_i = 0.0;
// Compute sigma_i
- for (s_lmm_element_t const& elem2 : var.cnsts)
+ for (Element const& elem2 : var.cnsts)
sigma_i += elem2.constraint->lambda;
// add mu_i if this flow has a RTT constraint associated
* programming.
*
*/
-void lmm_set_default_protocol_function(double (*func_f)(const Variable& var, double x),
- double (*func_fp)(const Variable& var, double x),
- double (*func_fpi)(const Variable& var, double x))
+void set_default_protocol_function(double (*func_f)(const Variable& var, double x),
+ double (*func_fp)(const Variable& var, double x),
+ double (*func_fpi)(const Variable& var, double x))
{
func_f_def = func_f;
func_fp_def = func_fp;