Defines GPU aware MPI gather-scatter communication.

Data Types
interface	device_mpi_free_reqs

interface	device_mpi_init_reqs

interface	device_mpi_irecv

interface	device_mpi_isend

interface	device_mpi_test

interface	device_mpi_waitall

interface	device_mpi_waitany

type	gs_device_mpi_buf_t
	Buffers for non-blocking communication and packing/unpacking. More...

type	gs_device_mpi_t
	Gather-scatter communication using device MPI. The arrays are indexed per PE like send_pe and @ recv_pe. More...

interface	hip_gs_pack

interface	hip_gs_unpack

Functions/Subroutines
subroutine	gs_device_mpi_buf_init (this, pe_order, dof_stack, mark_dupes)

subroutine	gs_device_mpi_buf_free (this)

subroutine	gs_device_mpi_init (this, send_pe, recv_pe)
	Initialise MPI based communication method.

subroutine	gs_device_mpi_free (this)
	Deallocate MPI based communication method.

subroutine	gs_device_mpi_nbsend (this, u, n, deps, strm)
	Post non-blocking send operations.

subroutine	gs_device_mpi_nbrecv (this)
	Post non-blocking receive operations.

subroutine	gs_device_mpi_nbwait (this, u, n, op, strm)
	Wait for non-blocking operations.

Function/Subroutine Documentation

◆ gs_device_mpi_buf_free()

subroutine gs_device_mpi::gs_device_mpi_buf_free ( class(gs_device_mpi_buf_t), intent(inout) this )

private

Definition at line 261 of file gs_device_mpi.F90.

Here is the call graph for this function:

subroutine gs_device_mpi::gs_device_mpi_buf_init	(	class(gs_device_mpi_buf_t), intent(inout)	this,
		integer, dimension(:), intent(inout), allocatable	pe_order,
		type(stack_i4_t), dimension(:), intent(inout), allocatable	dof_stack,
		logical, intent(in)	mark_dupes
	)

private

Definition at line 191 of file gs_device_mpi.F90.

Here is the call graph for this function:

subroutine gs_device_mpi::gs_device_mpi_free ( class(gs_device_mpi_t), intent(inout) this )

private

Definition at line 304 of file gs_device_mpi.F90.

Here is the call graph for this function:

subroutine gs_device_mpi::gs_device_mpi_init	(	class(gs_device_mpi_t), intent(inout)	this,
		type(stack_i4_t), intent(inout)	send_pe,
		type(stack_i4_t), intent(inout)	recv_pe
	)

private

Definition at line 274 of file gs_device_mpi.F90.

Here is the call graph for this function:

subroutine gs_device_mpi::gs_device_mpi_nbrecv ( class(gs_device_mpi_t), intent(inout) this )

private

Definition at line 400 of file gs_device_mpi.F90.

subroutine gs_device_mpi::gs_device_mpi_nbsend	(	class(gs_device_mpi_t), intent(inout)	this,
		real(kind=rp), dimension(n), intent(inout)	u,
		integer, intent(in)	n,
		type(c_ptr), intent(inout)	deps,
		type(c_ptr), intent(inout)	strm
	)

private

Definition at line 326 of file gs_device_mpi.F90.

Here is the call graph for this function:

subroutine gs_device_mpi::gs_device_mpi_nbwait	(	class(gs_device_mpi_t), intent(inout)	this,
		real(kind=rp), dimension(n), intent(inout)	u,
		integer, intent(in)	n,
		integer	op,
		type(c_ptr), intent(inout)	strm
	)

private

Definition at line 413 of file gs_device_mpi.F90.

Here is the call graph for this function: