cub::BlockRadixRankMatch< BLOCK_DIM_X, RADIX_BITS, IS_DESCENDING, INNER_SCAN_ALGORITHM, BLOCK_DIM_Y, BLOCK_DIM_Z, PTX_ARCH > Class Template Reference

Detailed Description

template<int BLOCK_DIM_X, int RADIX_BITS, bool IS_DESCENDING, BlockScanAlgorithm INNER_SCAN_ALGORITHM = BLOCK_SCAN_WARP_SCANS, int BLOCK_DIM_Y = 1, int BLOCK_DIM_Z = 1, int PTX_ARCH = CUB_PTX_ARCH>
class cub::BlockRadixRankMatch< BLOCK_DIM_X, RADIX_BITS, IS_DESCENDING, INNER_SCAN_ALGORITHM, BLOCK_DIM_Y, BLOCK_DIM_Z, PTX_ARCH >

Radix-rank using match.any

Definition at line 460 of file block_radix_rank.cuh.

Data Structures
struct	TempStorage
	\smemstorage{BlockScan} More...

Public Types
enum	{ BINS_TRACKED_PER_THREAD = CUB_MAX(1, (RADIX_DIGITS + BLOCK_THREADS - 1) / BLOCK_THREADS) }

Public Member Functions
Collective constructors
__device__ __forceinline__	BlockRadixRankMatch (TempStorage &temp_storage)
	Collective constructor using the specified memory allocation as temporary storage. More...
Raking
template<typename UnsignedBits , int KEYS_PER_THREAD>
__device__ __forceinline__ void	RankKeys (UnsignedBits(&keys)[KEYS_PER_THREAD], int(&ranks)[KEYS_PER_THREAD], int current_bit, int num_bits)
	Rank keys. More...
template<typename UnsignedBits , int KEYS_PER_THREAD>
__device__ __forceinline__ void	RankKeys (UnsignedBits(&keys)[KEYS_PER_THREAD], int(&ranks)[KEYS_PER_THREAD], int current_bit, int num_bits, int(&exclusive_digit_prefix)[BINS_TRACKED_PER_THREAD])
	Rank keys. For the lower RADIX_DIGITS threads, digit counts for each digit are provided for the corresponding thread. More...

Private Types
enum	{   BLOCK_THREADS = BLOCK_DIM_X * BLOCK_DIM_Y * BLOCK_DIM_Z, RADIX_DIGITS = 1 << RADIX_BITS, LOG_WARP_THREADS = CUB_LOG_WARP_THREADS(PTX_ARCH), WARP_THREADS = 1 << LOG_WARP_THREADS,   WARPS = (BLOCK_THREADS + WARP_THREADS - 1) / WARP_THREADS, PADDED_WARPS, COUNTERS = PADDED_WARPS * RADIX_DIGITS, RAKING_SEGMENT = (COUNTERS + BLOCK_THREADS - 1) / BLOCK_THREADS,   PADDED_RAKING_SEGMENT }
typedef int32_t	RankT
typedef int32_t	DigitCounterT
typedef BlockScan< DigitCounterT, BLOCK_THREADS, INNER_SCAN_ALGORITHM, BLOCK_DIM_Y, BLOCK_DIM_Z, PTX_ARCH >	BlockScanT
	BlockScan type.

Private Member Functions
struct	__align__ (16) _TempStorage
	Shared memory storage layout type for BlockRadixRank.

Private Attributes
_TempStorage &	temp_storage
	Shared storage reference.
unsigned int	linear_tid
	Linear thread-id.

Member Enumeration Documentation

anonymous enum

template<int BLOCK_DIM_X, int RADIX_BITS, bool IS_DESCENDING, BlockScanAlgorithm INNER_SCAN_ALGORITHM = BLOCK_SCAN_WARP_SCANS, int BLOCK_DIM_Y = 1, int BLOCK_DIM_Z = 1, int PTX_ARCH = CUB_PTX_ARCH>

anonymous enum

Enumerator
BINS_TRACKED_PER_THREAD	Number of bin-starting offsets tracked per thread.

Definition at line 495 of file block_radix_rank.cuh.

Constructor & Destructor Documentation

BlockRadixRankMatch()

template<int BLOCK_DIM_X, int RADIX_BITS, bool IS_DESCENDING, BlockScanAlgorithm INNER_SCAN_ALGORITHM = BLOCK_SCAN_WARP_SCANS, int BLOCK_DIM_Y = 1, int BLOCK_DIM_Z = 1, int PTX_ARCH = CUB_PTX_ARCH>

__device__ __forceinline__ cub::BlockRadixRankMatch< BLOCK_DIM_X, RADIX_BITS, IS_DESCENDING, INNER_SCAN_ALGORITHM, BLOCK_DIM_Y, BLOCK_DIM_Z, PTX_ARCH >::BlockRadixRankMatch ( TempStorage &  temp_storage )

inline

Collective constructor using the specified memory allocation as temporary storage.

Parameters

[in]

temp_storage

Reference to memory allocation having layout type TempStorage

Definition at line 555 of file block_radix_rank.cuh.

Member Function Documentation

RankKeys() [1/2]

template<int BLOCK_DIM_X, int RADIX_BITS, bool IS_DESCENDING, BlockScanAlgorithm INNER_SCAN_ALGORITHM = BLOCK_SCAN_WARP_SCANS, int BLOCK_DIM_Y = 1, int BLOCK_DIM_Z = 1, int PTX_ARCH = CUB_PTX_ARCH>

template<typename UnsignedBits , int KEYS_PER_THREAD>

__device__ __forceinline__ void cub::BlockRadixRankMatch< BLOCK_DIM_X, RADIX_BITS, IS_DESCENDING, INNER_SCAN_ALGORITHM, BLOCK_DIM_Y, BLOCK_DIM_Z, PTX_ARCH >::RankKeys ( UnsignedBits(&)  keys[KEYS_PER_THREAD], int(&)  ranks[KEYS_PER_THREAD], int  current_bit, int  num_bits  )

inline

Rank keys.

Parameters

[in]	keys	Keys for this tile
[out]	ranks	For each key, the local rank within the tile
[in]	current_bit	The least-significant bit position of the current digit to extract
[in]	num_bits	The number of bits in the current digit

Definition at line 575 of file block_radix_rank.cuh.

RankKeys() [2/2]

template<int BLOCK_DIM_X, int RADIX_BITS, bool IS_DESCENDING, BlockScanAlgorithm INNER_SCAN_ALGORITHM = BLOCK_SCAN_WARP_SCANS, int BLOCK_DIM_Y = 1, int BLOCK_DIM_Z = 1, int PTX_ARCH = CUB_PTX_ARCH>

template<typename UnsignedBits , int KEYS_PER_THREAD>

__device__ __forceinline__ void cub::BlockRadixRankMatch< BLOCK_DIM_X, RADIX_BITS, IS_DESCENDING, INNER_SCAN_ALGORITHM, BLOCK_DIM_Y, BLOCK_DIM_Z, PTX_ARCH >::RankKeys ( UnsignedBits(&)  keys[KEYS_PER_THREAD], int(&)  ranks[KEYS_PER_THREAD], int  current_bit, int  num_bits, int(&)  exclusive_digit_prefix[BINS_TRACKED_PER_THREAD]  )

inline

Rank keys. For the lower RADIX_DIGITS threads, digit counts for each digit are provided for the corresponding thread.

Parameters

[in]	keys	Keys for this tile
[out]	ranks	For each key, the local rank within the tile (out parameter)
[in]	current_bit	The least-significant bit position of the current digit to extract
[in]	num_bits	The number of bits in the current digit
[out]	exclusive_digit_prefix	The exclusive prefix sum for the digits [(threadIdx.x * BINS_TRACKED_PER_THREAD) ... (threadIdx.x * BINS_TRACKED_PER_THREAD) + BINS_TRACKED_PER_THREAD - 1]

Definition at line 666 of file block_radix_rank.cuh.

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

• openfpm_data/src/util/cuda/cub_old/block/block_radix_rank.cuh