sgpp::datadriven::MPIRequestPool Class Reference

#include <MPIRequestPool.hpp>

Public Member Functions
size_t	createMPIRequestHandle ()
	Allocate storage for one MPI_Request and return the handle to it. More...
void	deleteMPIRequestHandle (size_t handleIndex)
	Deallocate one MPI_Request based on its handle. More...
MPI_Request *	getMPIRequestHandle (size_t handleIndex)
	Gets the actual MPI_Request from its handle. More...
MPI_Request *	getMPIRequests ()
	Fetches the start of the MPI_Requests held sequentially in memory for use in MPI operations. More...
size_t	size ()
	Gets the number of stored MPI_Requests currently held in the pool. More...

Protected Member Functions
void	printPoolStatistics () const
	Prints grid pool usage statistics for performance analysis. More...

Protected Attributes
std::set< size_t >	freedRequests
	Holds indices to requests that were freed but could not yet be deallocated for later use or deallocation. More...
std::vector< MPI_Request >	mpiRequestStorage
	Holds the actual MPI_Requests sequentially in memory. More...

Member Function Documentation

createMPIRequestHandle()

size_t sgpp::datadriven::MPIRequestPool::createMPIRequestHandle

(

)

Allocate storage for one MPI_Request and return the handle to it.

Returns

The handle to the newly allocated MPI_Request.

References freedRequests, mpiRequestStorage, and printPoolStatistics().

Referenced by sgpp::datadriven::PendingMPIRequest::PendingMPIRequest().

deleteMPIRequestHandle()

void sgpp::datadriven::MPIRequestPool::deleteMPIRequestHandle

(

size_t

handleIndex

)

Deallocate one MPI_Request based on its handle.

Parameters

handleIndex

The handle for which to delete.

References freedRequests, mpiRequestStorage, and printPoolStatistics().

Referenced by sgpp::datadriven::PendingMPIRequest::~PendingMPIRequest().

getMPIRequestHandle()

MPI_Request * sgpp::datadriven::MPIRequestPool::getMPIRequestHandle

(

size_t

handleIndex

)

Gets the actual MPI_Request from its handle.

Parameters

handleIndex

The handle to the MPI_Request.

Returns

The MPI_Request itself.

References mpiRequestStorage.

Referenced by sgpp::datadriven::PendingMPIRequest::getMPIRequestFromHandle(), and getMPIRequests().

getMPIRequests()

MPI_Request * sgpp::datadriven::MPIRequestPool::getMPIRequests

(

)

Fetches the start of the MPI_Requests held sequentially in memory for use in MPI operations.

Returns

The start in memory of the MPI_Requests storage.

References getMPIRequestHandle().

Referenced by sgpp::datadriven::MPIMethods::executeMPIWaitAny().

printPoolStatistics()

void sgpp::datadriven::MPIRequestPool::printPoolStatistics ( ) const

inlineprotected

Prints grid pool usage statistics for performance analysis.

References D, freedRequests, and mpiRequestStorage.

Referenced by createMPIRequestHandle(), and deleteMPIRequestHandle().

size()

size_t sgpp::datadriven::MPIRequestPool::size

(

)

Gets the number of stored MPI_Requests currently held in the pool.

Returns

The number of MPI_Requests

References mpiRequestStorage.

Referenced by sgpp::datadriven::MPIMethods::executeMPIWaitAny().

Member Data Documentation

freedRequests

std::set<size_t> sgpp::datadriven::MPIRequestPool::freedRequests

protected

Holds indices to requests that were freed but could not yet be deallocated for later use or deallocation.

Referenced by createMPIRequestHandle(), deleteMPIRequestHandle(), and printPoolStatistics().

mpiRequestStorage

std::vector<MPI_Request> sgpp::datadriven::MPIRequestPool::mpiRequestStorage

protected

Holds the actual MPI_Requests sequentially in memory.

Referenced by createMPIRequestHandle(), deleteMPIRequestHandle(), getMPIRequestHandle(), printPoolStatistics(), and size().

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

• datadriven/src/sgpp/datadriven/application/learnersgdeonoffparallel/MPIRequestPool.hpp
• datadriven/src/sgpp/datadriven/application/learnersgdeonoffparallel/MPIRequestPool.cpp