Lattice_reduction_gpu.h File Reference

Go to the source code of this file.

Functions
	NAMESPACE_BEGIN (Grid)
template<class Iterator>
unsigned int	nextPow2 (Iterator x)
template<class Iterator>
int	getNumBlocksAndThreads (const Iterator n, const size_t sizeofsobj, Iterator &threads, Iterator &blocks)
template<class sobj, class Iterator>
__device__ void	reduceBlock (volatile sobj *sdata, sobj mySum, const Iterator tid)
template<class vobj, class sobj, class Iterator>
__device__ void	reduceBlocks (const vobj *g_idata, sobj *g_odata, Iterator n)
template<class vobj, class sobj, class Iterator>
__global__ void	reduceKernel (const vobj *lat, sobj *buffer, Iterator n)
template<class vobj>
vobj::scalar_objectD	sumD_gpu_small (const vobj *lat, Integer osites)
template<class vobj>
vobj::scalar_objectD	sumD_gpu_large (const vobj *lat, Integer osites)
template<class vobj>
vobj::scalar_objectD	sumD_gpu (const vobj *lat, Integer osites)
template<class vobj>
vobj::scalar_object	sum_gpu (const vobj *lat, Integer osites)
template<class vobj>
vobj::scalar_object	sum_gpu_large (const vobj *lat, Integer osites)
	NAMESPACE_END (Grid)

Variables
__device__ unsigned int	retirementCount

Function Documentation

NAMESPACE_BEGIN()

NAMESPACE_BEGIN

(

Grid

)

nextPow2()

template<class Iterator>

unsigned int nextPow2

(

Iterator

x

)

Definition at line 15 of file Lattice_reduction_gpu.h.

Referenced by getNumBlocksAndThreads().

getNumBlocksAndThreads()

template<class Iterator>

int getNumBlocksAndThreads	(	const Iterator	n,
		const size_t	sizeofsobj,
		Iterator &	threads,
		Iterator &	blocks )

Definition at line 26 of file Lattice_reduction_gpu.h.

References GridLogError, and nextPow2().

Referenced by sumD_gpu(), and sumD_gpu_small().

reduceBlock()

template<class sobj, class Iterator>

__device__ void reduceBlock	(	volatile sobj *	sdata,
		sobj	mySum,
		const Iterator	tid )

Definition at line 65 of file Lattice_reduction_gpu.h.

References acceleratorSynchronise(), and acceleratorSynchroniseAll().

Referenced by reduceBlocks(), and reduceKernel().

reduceBlocks()

template<class vobj, class sobj, class Iterator>

__device__ void reduceBlocks	(	const vobj *	g_idata,
		sobj *	g_odata,
		Iterator	n )

Definition at line 102 of file Lattice_reduction_gpu.h.

References COALESCE_GRANULARITY, extractLane(), and reduceBlock().

Referenced by reduceKernel().

reduceKernel()

template<class vobj, class sobj, class Iterator>

__global__ void reduceKernel	(	const vobj *	lat,
		sobj *	buffer,
		Iterator	n )

Definition at line 146 of file Lattice_reduction_gpu.h.

References acceleratorFence(), acceleratorSynchroniseAll(), COALESCE_GRANULARITY, reduceBlock(), reduceBlocks(), and retirementCount.

Referenced by sumD_gpu_small().

sumD_gpu_small()

template<class vobj>

vobj::scalar_objectD sumD_gpu_small ( const vobj * lat, Integer osites )

inline

Definition at line 201 of file Lattice_reduction_gpu.h.

References accelerator_barrier, acceleratorCopyFromDevice(), getNumBlocksAndThreads(), and reduceKernel().

Referenced by sumD_gpu(), and sumD_gpu_large().

sumD_gpu_large()

template<class vobj>

vobj::scalar_objectD sumD_gpu_large ( const vobj * lat, Integer osites )

inline

Definition at line 227 of file Lattice_reduction_gpu.h.

References accelerator_for, and sumD_gpu_small().

Referenced by sum_gpu_large(), sumD_gpu(), and sumD_large().

sumD_gpu()

template<class vobj>

vobj::scalar_objectD sumD_gpu ( const vobj * lat, Integer osites )

inline

Definition at line 253 of file Lattice_reduction_gpu.h.

References getNumBlocksAndThreads(), sumD_gpu_large(), and sumD_gpu_small().

Referenced by sum_gpu(), and sumD().

sum_gpu()

template<class vobj>

vobj::scalar_object sum_gpu ( const vobj * lat, Integer osites )

inline

Definition at line 275 of file Lattice_reduction_gpu.h.

References sumD_gpu().

Referenced by rankSum(), and sum().

sum_gpu_large()

template<class vobj>

vobj::scalar_object sum_gpu_large ( const vobj * lat, Integer osites )

inline

Definition at line 284 of file Lattice_reduction_gpu.h.

References sumD_gpu_large().

Referenced by rankSumLarge().

NAMESPACE_END()

NAMESPACE_END

(

Grid

)

Variable Documentation

retirementCount

__device__ unsigned int retirementCount

Definition at line 12 of file Lattice_reduction_gpu.h.

Referenced by reduceKernel().