scan_cta.cu File Reference

CUDPP CTA-level scan routines. More...

#include <cudpp_globals.h>
#include <cudpp_util.h>
#include <math.h>
#include <cudpp.h>

Classes
class	ScanTraits< T, oper, backward, exclusive, multiRow, sums, fullBlock >
	Template class containing compile-time parameters to the scan functions. More...
Scan Functions
#define	__SYNC
	Macro to insert necessary __syncthreads() in device emulation mode.
#define	DISALLOW_LOADSTORE_OVERLAP   1
template<class T, class traits>
__device__ void	loadSharedChunkFromMem4 (T *s_out, T threadScan0[4], T threadScan1[4], const T *d_in, int numElements, int iDataOffset, int &ai, int &bi, int &aiDev, int &biDev)
	Handles loading input s_data from global memory to shared memory (vec4 version).
template<class T, class traits>
__device__ void	storeSharedChunkToMem4 (T *d_out, T threadScan0[4], T threadScan1[4], T *s_in, int numElements, int oDataOffset, int ai, int bi, int aiDev, int biDev)
	Handles storing result s_data from shared memory to global memory (vec4 version).
template<class T, class traits, int maxlevel>
__device__ T	warpscan (T val, volatile T *s_data)
	Scan all warps of a CTA without synchronization.
template<class T, class traits>
__device__ void	scanWarps (T x, T y, T *s_data)
	Perform a full CTA scan using the warp-scan algorithm.
template<class T, class traits>
__device__ void	scanCTA (T *s_data, T *d_blockSums, unsigned int blockSumIndex)
	CTA-level scan routine; scans s_data in shared memory in each thread block.

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Detailed Description

CUDPP CTA-level scan routines.

scan_cta.cu