Generated on Sat Feb 7 2015 02:01:50 for Gecode by doxygen 1.8.9.1
Gecode::Search::Parallel::DFS::Worker Class Reference

Parallel depth-first search worker More...

#include <dfs.hh>

Public Member Functions

 Worker (Space *s, DFS &e)
 Initialize for space s with engine e. More...
 
DFSengine (void) const
 Provide access to engine. More...
 
virtual void run (void)
 Start execution of worker. More...
 
void find (void)
 Try to find some work. More...
 
void reset (Space *s, int ngdl)
 Reset worker to restart at space s. More...
 
- Public Member Functions inherited from Gecode::Search::Parallel::Engine::Worker
 Worker (Space *s, Engine &e)
 Initialize for space s with engine e. More...
 
Spacesteal (unsigned long int &d)
 Hand over some work (NULL if no work available) More...
 
Statistics statistics (void)
 Return statistics. More...
 
Engineengine (void) const
 Provide access to engine. More...
 
NoGoodsnogoods (void)
 Return no-goods. More...
 
virtual ~Worker (void)
 Destructor. More...
 
- Public Member Functions inherited from Gecode::Search::Worker
 Worker (void)
 Initialize. More...
 
void start (void)
 Reset stop information. More...
 
bool stop (const Options &o)
 Check whether engine must be stopped. More...
 
bool stopped (void) const
 Check whether engine has been stopped. More...
 
void reset (unsigned long int d=0)
 Reset statistics with root depth d. More...
 
void stack_depth (unsigned long int d)
 Record stack depth d. More...
 
unsigned long int steal_depth (unsigned long int d) const
 Return steal depth. More...
 
- Public Member Functions inherited from Gecode::Search::Statistics
 Statistics (void)
 Initialize. More...
 
void reset (void)
 Reset. More...
 
Statistics operator+ (const Statistics &s)
 Return sum with s. More...
 
Statisticsoperator+= (const Statistics &s)
 Increment by statistics s. More...
 
- Public Member Functions inherited from Gecode::StatusStatistics
 StatusStatistics (void)
 Initialize. More...
 
void reset (void)
 Reset information. More...
 
StatusStatistics operator+ (const StatusStatistics &s)
 Return sum with s. More...
 
StatusStatisticsoperator+= (const StatusStatistics &s)
 Increment by statistics s. More...
 
- Public Member Functions inherited from Gecode::Support::Runnable
virtual ~Runnable (void)
 Destructor. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from Gecode::Support::Runnable
static void * operator new (size_t s)
 Allocate memory from heap. More...
 
static void operator delete (void *p)
 Free memory allocated from heap. More...
 
- Public Attributes inherited from Gecode::Search::Statistics
unsigned long int fail
 Number of failed nodes in search tree. More...
 
unsigned long int node
 Number of nodes expanded. More...
 
unsigned long int depth
 Maximum depth of search stack. More...
 
unsigned long int restart
 Number of restarts. More...
 
unsigned long int nogood
 Number of no-goods posted. More...
 
- Public Attributes inherited from Gecode::StatusStatistics
unsigned long int propagate
 Number of propagator executions. More...
 
bool wmp
 Whether a weakly monotonic propagator might have been executed. More...
 
- Protected Attributes inherited from Gecode::Search::Parallel::Engine::Worker
Engine_engine
 Reference to engine. More...
 
Support::Mutex m
 Mutex for access to worker. More...
 
Path path
 Current path ins search tree. More...
 
Spacecur
 Current space being explored. More...
 
unsigned int d
 Distance until next clone. More...
 
bool idle
 Whether the worker is idle. More...
 
- Protected Attributes inherited from Gecode::Search::Worker
bool _stopped
 Whether engine has been stopped. More...
 
unsigned long int root_depth
 Depth of root node (for work stealing) More...
 

Detailed Description

Parallel depth-first search worker

Definition at line 49 of file dfs.hh.

Constructor & Destructor Documentation

Gecode::Search::Parallel::DFS::Worker::Worker ( Space s,
DFS e 
)
inline

Initialize for space s with engine e.

Definition at line 107 of file dfs.hh.

Member Function Documentation

DFS & Gecode::Search::Parallel::DFS::Worker::engine ( void  ) const
inline

Provide access to engine.

Definition at line 94 of file dfs.hh.

void Gecode::Search::Parallel::DFS::Worker::run ( void  )
virtual

Start execution of worker.

Implements Gecode::Support::Runnable.

Definition at line 62 of file dfs.cpp.

void Gecode::Search::Parallel::DFS::Worker::find ( void  )
inline

Try to find some work.

Definition at line 165 of file dfs.hh.

void Gecode::Search::Parallel::DFS::Worker::reset ( Space s,
int  ngdl 
)
inline

Reset worker to restart at space s.

Definition at line 131 of file dfs.hh.


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