Generated on Thu Mar 7 2013 10:22:13 for Gecode by doxygen 1.8.3.1
Gecode::Search::Parallel::DFS::Worker Class Reference

Parallel depth-first search worker More...

#include <dfs.hh>

Public Member Functions

 Worker (Space *s, size_t sz, DFS &e)
 Initialize for space s (of size sz) 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...
 
Spacereset (Space *s)
 Reset engine to restart at space s and return new root space. More...
 
- Public Member Functions inherited from Gecode::Search::Parallel::Engine::Worker
 Worker (Space *s, size_t sz, Engine &e)
 Initialize for space s (of size sz) 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...
 
virtual ~Worker (void)
 Destructor. More...
 
- Public Member Functions inherited from Gecode::Search::Worker
 Worker (size_t sz)
 Initialize with space size sz. More...
 
void start (void)
 Reset stop information. More...
 
bool stop (const Options &o, size_t sz)
 Check whether engine must be stopped (with additional stackspace sz) More...
 
bool stopped (void) const
 Check whether engine has been stopped. More...
 
void push (const Space *s, const Choice *c)
 New space s and choice c get pushed on stack. More...
 
void constrained (const Space *s1, const Space *s2)
 Space s1 is replaced by space s2 due to constraining. More...
 
void adapt (const Space *s)
 New space s is added for adaptive recomputation. More...
 
void pop (const Space *s, const Choice *c)
 Space s and choice c get popped from stack. More...
 
void lao (const Space *s)
 Space s gets used for LAO (removed from stack) More...
 
void current (const Space *s)
 Space s becomes current space (s = NULL: current space deleted) More...
 
void reset (const Space *s, unsigned long int d=0)
 Reset statistics for space s with root depth d. More...
 
void reset (void)
 Reset statistics for failed space. 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...
 
size_t memory
 Peak memory allocated. 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 worker is currently idle. 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,
size_t  sz,
DFS e 
)
inline

Initialize for space s (of size sz) with engine e.

Definition at line 105 of file dfs.hh.

Member Function Documentation

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

Provide access to engine.

Definition at line 92 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 174 of file dfs.hh.

Space * Gecode::Search::Parallel::DFS::Worker::reset ( Space s)
inline

Reset engine to restart at space s and return new root space.

Definition at line 129 of file dfs.hh.


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