Description

Handles a kernel which gathers data from halo region in all 8 neighboring directions.

Static Public Member Functions
template<int subGroupSize>
static auto	kernel (size_t myGridX, size_t myGridY, sycl::uint3 pmeSize, float __restrict__ gm_realGrid, const float __restrict__ gm_transferGridUp, const float __restrict__ gm_transferGridDown, const float __restrict__ gm_transferGridLeft, const float __restrict__ gm_transferGridRight, const float __restrict__ gm_transferGridUpLeft, const float __restrict__ gm_transferGridDownLeft, const float __restrict__ gm_transferGridUpRight, const float *__restrict__ gm_transferGridDownRight, size_t overlapSizeUp, size_t overlapSizeDown, size_t overlapSizeLeft, size_t overlapSizeRight)
	Returns the unpack kernel. More...

Member Function Documentation

template<int subGroupSize>

static auto UnpackHaloExternal::kernel	(	size_t	myGridX,
		size_t	myGridY,
		sycl::uint3	pmeSize,
		float *__restrict__	gm_realGrid,
		const float *__restrict__	gm_transferGridUp,
		const float *__restrict__	gm_transferGridDown,
		const float *__restrict__	gm_transferGridLeft,
		const float *__restrict__	gm_transferGridRight,
		const float *__restrict__	gm_transferGridUpLeft,
		const float *__restrict__	gm_transferGridDownLeft,
		const float *__restrict__	gm_transferGridUpRight,
		const float *__restrict__	gm_transferGridDownRight,
		size_t	overlapSizeUp,
		size_t	overlapSizeDown,
		size_t	overlapSizeLeft,
		size_t	overlapSizeRight
	)

inlinestatic

Returns the unpack kernel.

Parameters

[in]	myGridX,myGridY	Local domain size in X and Y dimension
[in]	pmeSize	Local PME grid size
[in]	gm_realGrid	PME device grid
[out]	gm_transferGridUp	Device array used to pack data to go up
[out]	gm_transferGridDown	Device array used to pack data to go down
[out]	gm_transferGridLeft	Device array used to pack data to go left
[out]	gm_transferGridRight	Device array used to pack data to go right
[out]	gm_transferGridUpLeft	Device array used to pack data to go up+left
[out]	gm_transferGridDownLeft	Device array used to pack data to go down+left
[out]	gm_transferGridUpRight	Device array used to pack data to go up+right
[out]	gm_transferGridDownRight	Device array used to pack data to go down+right
[in]	overlapSizeUp,overlapSizeDown,overlapSizeLeft,overlapSizeRight	Halo size in 4 directions

Template Parameters

subGroupSize Size of the sub-group.

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