simgrid::kernel::lmm::Variable Class Reference

Detailed Description

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

#include <maxmin.hpp>

Public Member Functions
void	initialize (simgrid::surf::Action *id_value, double sharing_weight_value, double bound_value, int number_of_constraints, unsigned visited_value)
double	get_value () const
	Get the value of the variable after the last lmm solve. More...
double	get_bound () const
	Get the maximum value of the variable (-1.0 if no maximum value) More...
void	set_concurrency_share (short int value)
	Set the concurrent share of the variable. More...
lmm_constraint_t	get_constraint (unsigned num) const
	Get the numth constraint associated to the variable. More...
double	get_constraint_weight (unsigned num) const
	Get the weigth of the numth constraint associated to the variable. More...
int	get_number_of_constraint () const
	Get the number of constraint associated to a variable. More...
simgrid::surf::Action *	get_id () const
	Get the data associated to a variable. More...
double	get_weight () const
	Get the weight of a variable. More...
int	get_min_concurrency_slack () const
	Measure the minimum concurrency slack across all constraints where the given var is involved. More...
int	can_enable () const
	Check if a variable can be enabled Make sure to set staged_weight before, if your intent is only to check concurrency. More...

Public Attributes
boost::intrusive::list_member_hook	variable_set_hook
boost::intrusive::list_member_hook	saturated_variable_set_hook
std::vector< Element >	cnsts
double	sharing_weight
double	staged_weight
double	bound
double	value
short int	concurrency_share
simgrid::surf::Action *	id
int	id_int
unsigned	visited
double	mu
double	new_mu
double(*	func_f )(const Variable &var, double x)
double(*	func_fp )(const Variable &var, double x)
double(*	func_fpi )(const Variable &var, double x)

Member Function Documentation

initialize()

void simgrid::kernel::lmm::Variable::initialize	(	simgrid::surf::Action *	id_value,
		double	sharing_weight_value,
		double	bound_value,
		int	number_of_constraints,
		unsigned	visited_value
	)

get_value()

double simgrid::kernel::lmm::Variable::get_value ( ) const

inline

Get the value of the variable after the last lmm solve.

Returns

The value of the variable

get_bound()

double simgrid::kernel::lmm::Variable::get_bound ( ) const

inline

Get the maximum value of the variable (-1.0 if no maximum value)

Returns

The bound of the variable

set_concurrency_share()

void simgrid::kernel::lmm::Variable::set_concurrency_share ( short int  value )

inline

Set the concurrent share of the variable.

Parameters

value

The new concurrency share

get_constraint()

lmm_constraint_t simgrid::kernel::lmm::Variable::get_constraint ( unsigned  num ) const

inline

Get the numth constraint associated to the variable.

Parameters

num	The rank of constraint we want to get

Returns

The numth constraint

get_constraint_weight()

double simgrid::kernel::lmm::Variable::get_constraint_weight ( unsigned  num ) const

inline

Get the weigth of the numth constraint associated to the variable.

Parameters

num	The rank of constraint we want to get

Returns

The numth constraint

get_number_of_constraint()

int simgrid::kernel::lmm::Variable::get_number_of_constraint ( ) const

inline

Get the number of constraint associated to a variable.

Returns

The number of constraint associated to the variable

get_id()

simgrid::surf::Action* simgrid::kernel::lmm::Variable::get_id ( ) const

inline

Get the data associated to a variable.

Returns

The data associated to the variable

get_weight()

double simgrid::kernel::lmm::Variable::get_weight ( ) const

inline

Get the weight of a variable.

Returns

The weight of the variable

get_min_concurrency_slack()

int simgrid::kernel::lmm::Variable::get_min_concurrency_slack

(

)

const

Measure the minimum concurrency slack across all constraints where the given var is involved.

can_enable()

int simgrid::kernel::lmm::Variable::can_enable ( ) const

inline

Check if a variable can be enabled Make sure to set staged_weight before, if your intent is only to check concurrency.

Member Data Documentation

variable_set_hook

boost::intrusive::list_member_hook simgrid::kernel::lmm::Variable::variable_set_hook

saturated_variable_set_hook

boost::intrusive::list_member_hook simgrid::kernel::lmm::Variable::saturated_variable_set_hook

cnsts

std::vector<Element> simgrid::kernel::lmm::Variable::cnsts

sharing_weight

double simgrid::kernel::lmm::Variable::sharing_weight

staged_weight

double simgrid::kernel::lmm::Variable::staged_weight

bound

double simgrid::kernel::lmm::Variable::bound

value

double simgrid::kernel::lmm::Variable::value

concurrency_share

short int simgrid::kernel::lmm::Variable::concurrency_share

id

simgrid::surf::Action* simgrid::kernel::lmm::Variable::id

id_int

int simgrid::kernel::lmm::Variable::id_int

visited

unsigned simgrid::kernel::lmm::Variable::visited

mu

double simgrid::kernel::lmm::Variable::mu

new_mu

double simgrid::kernel::lmm::Variable::new_mu

func_f

double(* simgrid::kernel::lmm::Variable::func_f) (const Variable &var, double x)

func_fp

double(* simgrid::kernel::lmm::Variable::func_fp) (const Variable &var, double x)

func_fpi

double(* simgrid::kernel::lmm::Variable::func_fpi) (const Variable &var, double x)

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The documentation for this class was generated from the following files:

• src/kernel/lmm/maxmin.hpp
• src/kernel/lmm/maxmin.cpp