chpt< StateType > Class Template Reference

Templated checkpointing class derived from rep. More...

#include <chpt.h>

Inheritance diagram for chpt< StateType >:

Collaboration diagram for chpt< StateType >:


Public Member Functions
	chpt ()
	Basic Constructor.
virtual	~chpt ()
	Destructor.
void	registerTimestamp (int idx, eventMsg *m, POSE_TimeType offset)
	Timestamps event message, sets priority, and records in spawned list.
void	checkpoint (StateType *data)
	Checkpoint the state.
void	restore (StateType *data)
	Restore the state from a checkpoint.
virtual void	pup (PUP::er &p)
	Pack/unpack/sizing operator.
virtual void	dump ()
	Dump all data fields.
Data Fields
int	sinceLast

Detailed Description

template<class StateType>
class chpt< StateType >

Templated checkpointing class derived from rep.

This class makes it possible for optimistic synchronization strategies to automatically checkpoint objects of classes derived from this type.

Definition at line 9 of file chpt.h.

Constructor & Destructor Documentation

template<class StateType>

chpt< StateType >::chpt ( ) [inline]

Basic Constructor.

Definition at line 13 of file chpt.h.

template<class StateType>

virtual chpt< StateType >::~chpt ( ) [inline, virtual]

Destructor.

Definition at line 15 of file chpt.h.

Member Function Documentation

template<class StateType>

void chpt< StateType >::registerTimestamp	(	int	idx,
		eventMsg *	m,
		POSE_TimeType	offset
	)			`[inline, virtual]`

Timestamps event message, sets priority, and records in spawned list.

Reimplemented from rep.

Definition at line 33 of file chpt.h.

References eventMsg::evID, rep::myStrat, rep::ovt, rep::parent, POSE_TimeMax, sim::registerSent(), eventMsg::setPriority(), eventMsg::timestamp, and eventMsg::Timestamp().

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template<class StateType>

void chpt< StateType >::checkpoint ( StateType * data ) [inline]

Checkpoint the state.

Definition at line 43 of file chpt.h.

References CkLocalBranch(), CmiAbort(), Event::cpData, strat::currentEvent, sim::eq, eventQueue::front(), rep::localTimePool, sim::myStrat, rep::myStrat, rep::parent, Event::prev, Event::serialCPdata, Event::serialCPdataSz, chpt< StateType >::sinceLast, PUP::mem::size(), PUP::sizer::size(), POSE_Config::stats, localStat::SwitchTimer(), theLocalStats, Event::timestamp, TimePool::tmp_alloc(), and rep::usesAntimethods().

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template<class StateType>

void chpt< StateType >::restore ( StateType * data ) [inline]

Restore the state from a checkpoint.

Used during a rollback by the Undo method: if the event being undone is not the final destination, we simply remove the checkpointed data; if the event is the final target for the rollback, then we restore the data, and remove the checkpointed data for it (it will be regenerated when the target event gets re-executed).

Definition at line 95 of file chpt.h.

References CmiAbort(), Event::cpData, strat::currentEvent, rep::localTimePool, rep::myStrat, Event::serialCPdata, Event::serialCPdataSz, PUP::mem::size(), strat::targetEvent, Event::timestamp, TimePool::tmp_free(), and rep::usesAntimethods().