cellListGPU Kernels

CUDA kernels and callers for the cellListGPU class. More...

Functions
bool	gpu_compute_cell_list (Dscalar2 *d_pt, unsigned int *d_cell_sizes, int *d_idx, int Np, int &Nmax, int xsize, int ysize, Dscalar boxsize, gpubox &Box, Index2D &ci, Index2D &cli, int *d_assist)
	Find the set indices of points in every cell bucket in the grid.
bool	gpu_zero_array (int *arr, int N)
	convenience function to zero out an array on the GPU
bool	gpu_zero_array (unsigned int *arr, int N)
	convenience function to zero out an array on the GPU
__global__ void	gpu_compute_cell_list_kernel (Dscalar2 *d_pt, unsigned int *d_cell_sizes, int *d_idx, int Np, unsigned int Nmax, int xsize, int ysize, Dscalar boxsize, gpubox Box, Index2D ci, Index2D cli, int *d_assist)
__global__ void	gpu_zero_array_kernel (unsigned int *arr, int N)
__global__ void	gpu_zero_array_kernel (int *arr, int N)

Detailed Description

CUDA kernels and callers for the cellListGPU class.

Function Documentation

gpu_compute_cell_list_kernel()

__global__ void gpu_compute_cell_list_kernel	(	Dscalar2 *	d_pt,
		unsigned int *	d_cell_sizes,
		int *	d_idx,
		int	Np,
		unsigned int	Nmax,
		int	xsize,
		int	ysize,
		Dscalar	boxsize,
		gpubox	Box,
		Index2D	ci,
		Index2D	cli,
		int *	d_assist
	)

Assign particles to bins, keep track of the number of particles per bin, etc.

gpu_zero_array_kernel() [1/2]

__global__ void gpu_zero_array_kernel	(	unsigned int *	arr,
		int	N
	)

A function of convenience...zero out an array on the device

gpu_zero_array_kernel() [2/2]

__global__ void gpu_zero_array_kernel	(	int *	arr,
		int	N
	)

A function of convenience...zero out an array on the device