dolfin::MPI::Comm Class Reference

Public Member Functions
	Comm (MPI_Comm comm)
	Duplicate communicator and wrap duplicate.
	~Comm ()
	Destructor (frees wrapped communicator)
void	free ()
	Free (destroy) communicator. Calls function 'MPI_Comm_free'.
void	reset (MPI_Comm comm)
unsigned int	rank () const
	Return process rank for the communicator.
unsigned int	size () const
void	barrier () const
	Set a barrier (synchronization point)
MPI_Comm	comm () const
	Return the underlying MPI_Comm object.

Member Function Documentation

reset()

void dolfin::MPI::Comm::reset

(

MPI_Comm

comm

)

Duplicate communivator, and free any previously created communicator

size()

unsigned int dolfin::MPI::Comm::size

(

)

const

Return size of the group (number of processes) associated with the communicator. This function will also intialise MPI if it hasn't already been intialised.

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

• /home/fenics/shared/dolfin/dolfin/common/MPI.h
• /home/fenics/shared/dolfin/dolfin/common/MPI.cpp