Communicator, group, window and epoch management. More...

Data Structures
struct	EpkGroup
struct	EpkGroupWorld
struct	EpkComm
Defines
#define	EPK_MPI_MINHANDLES 8
	Minimum required number of MPI handles/epochs to track simultaneously.
Functions
void	epk_group_init ()
	Initialize MPI group tracking data structures.
void	epk_group_finalize ()
	Finalize MPI group tracking.
void	epk_group_create (MPI_Group group)
	Starts tracking of the given MPI group handle group.
void	epk_group_free (MPI_Group group)
	Stops tracking of the given MPI group handle group.
void	epk_comm_init ()
	Initialize MPI communicator tracking data structures.
void	epk_comm_finalize ()
	Finalize MPI communicator tracking.
void	epk_comm_create (MPI_Comm comm)
	Starts tracking of the given MPI communicator handle comm.
void	epk_comm_free (MPI_Comm comm)
	Stops tracking of the given MPI communicator handle comm.
elg_ui4	epk_comm_id (MPI_Comm comm)
	Returns the internal EPIK identifier for the given MPI communicator handle comm.
Variables
int	epk_comm_determination = 0
	Flag indicating whether communicator and rank identifiers should be determined.

Detailed Description

Function Documentation

void epk_comm_create ( MPI_Comm comm )

Create an internal handle for an MPI communicator.

void epk_comm_finalize ( )

Cleanup communicator management.

void epk_comm_free ( MPI_Comm comm )

Clear internal handle for an MPI communicator.

elg_ui4 epk_comm_id ( MPI_Comm comm )

Return internal handle of given MPI communicator.

void epk_comm_init ( )

Initialize communicator management.

void epk_group_create ( MPI_Group group )

Create an internal handle for an MPI group.

void epk_group_finalize ( )

Cleanup group management.

Check for groups that have been used in RMA communication but have not yet been freed by the user.

void epk_group_free ( MPI_Group group )

Clear internal handle for an MPI group.

void epk_group_init ( )

Initialize group management.

This (currently) only applies when tracing is configured.