BIE::TileRequestHandlerThread Class Reference

A helper class that handles work requests generated by integrators and replies to those requests from worker processes. More...

#include <TileRequestHandlerThread.h>

Collaboration diagram for BIE::TileRequestHandlerThread:

[legend]

List of all members.

Public Member Functions
	TileRequestHandlerThread (int numWorkersInTileGroup, vector< int > *p_GroupIdToSystemId, vector< int > *p_SystemIdToGroupId, vector< MPI_Comm > *p_comms, Semaphore *numberSlavesReady)
	construct thread with the number of workers to manage and mappings from id-in-group to id-in-system and vice-versa.
void	reInitialize (int tileGroupSize, vector< int > *groupIdToSystemId, vector< int > *systemIdToGroupId, vector< MPI_Comm > *comms, Semaphore *numberSlavesReady)
void	setTileMasterWorkerThread (TileMasterWorkerThread *tileMasterWorkerThread)
	used to register a handle to the tileMasterWorkerThread
void	masterWorkerRegister ()
	called by masterworker thread when it (re)registers itself with the this class.
void	masterWorkerAvailable ()
	called by master worker thread when it wants to be considered for processing requests
void	resetPause ()
	pause thread and put it into known state
void	unPause ()
	restart thread paused with resetPause;
void	stopPausedThread ()
	permanently stop a paused thread
virtual void	run ()
	run the thread Override of thread framework method
virtual void	enqueueRequest (EvaluationRequest *request)
	given a request for work from an integrator, enqueue it for later processing.
virtual void	readAndProcessMessage (MPI_Status *status)
	Given a status from a sucessful MPI_Probe, read and process a message.
bool	allWorking ()
	Helper method for TileMPIThread. True iff all slaves are working.
bool	noneWorking ()
	Helper method for TileMPIThread. True iff no slaves are working.
bool	noMPISlaves ()
	Helper method for TileMPIThread. True iff all there are no slaves(groupsize ==1).
bool	workAvailable ()
	Helper method for TileMPIThread. True if there is workavailable.
virtual void	final ()
	Override thread framework function that gets called when Run exits. Used for cleanup.
Public Attributes
Event	MPIThreadLoopEvent
vector< double >	startTime
vector< double >	endTime
vector< vector< int > >	histo
ElapsedTime	workerWaitTime
ElapsedTime	workWaitTime
ElapsedTime	mutexWaitTime
ElapsedTime	probeTime
ElapsedTime	IprobeTime
ElapsedTime	loopEventWaitTime
ElapsedTime	thrqMutexHoldTime
ElapsedTime	recvTime

---

Detailed Description

A helper class that handles work requests generated by integrators and replies to those requests from worker processes.

A single instance of this class (a thread), runs on the tile group master and communicates with all worker processors.

---

Member Function Documentation

virtual void BIE::TileRequestHandlerThread::enqueueRequest

(

EvaluationRequest *

request

)

[virtual]

given a request for work from an integrator, enqueue it for later processing.

Locks queue during update.

virtual void BIE::TileRequestHandlerThread::readAndProcessMessage

(

MPI_Status *

status

)

[virtual]

Given a status from a sucessful MPI_Probe, read and process a message.

This is a handler function called from the MPIThread

---

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

• /home/weinberg/src/BIE/include/TileRequestHandlerThread.h