Hermite4GPU_kernels.cu File Reference

#include "Hermite4GPU.cuh"

Include dependency graph for Hermite4GPU_kernels.cu:

Functions
__global__ void	k_init_acc_jrk (Predictor *p, Forces *f, int n, double e2, int dev, int dev_size)
	Initialization kernel, which consider an interaction of the particles. More...
__device__ void	k_force_calculation (Predictor i_p, Predictor j_p, Forces &f, double e2)
	Force interaction kernel, in charge of performing gravitational interaction computation between two particles. More...
__global__ void	k_prediction (Forces *f, double4 *r, double4 *v, double *t, Predictor *p, int dev_size, double ITIME)
	Predictor kernel, in charge of performing the prediction step of all the particles on each integration step. More...
__global__ void	k_update (Predictor *i_p, Predictor *j_p, Forces *fout, int n, int total, double e2)
	Force kernel, in charge of performing distribution of how the particles will be distributed among the GPUs. More...
__global__ void	k_reduce (Forces *in, Forces *out, int shift_id, int shift)
	Force reduction kernel, in charge of summing up all the preliminary results of the forces for the particles. More...
__global__ void	k_energy (double4 *r, double4 *v, double *ekin, double *epot, int n, int dev_size, int dev)
	Energy kernel, in charge of the calculation of the kinetic and potential energy on the GPUs. More...

Function Documentation

k_energy()

__global__ void k_energy	(	double4 *	r,
		double4 *	v,
		double *	ekin,
		double *	epot,
		int	n,
		int	dev_size,
		int	dev
	)

Energy kernel, in charge of the calculation of the kinetic and potential energy on the GPUs.

k_force_calculation()

__device__ void k_force_calculation	(	Predictor	i_p,
		Predictor	j_p,
		Forces &	f,
		double	e2
	)

Force interaction kernel, in charge of performing gravitational interaction computation between two particles.

k_init_acc_jrk()

__global__ void k_init_acc_jrk	(	Predictor *	p,
		Forces *	f,
		int	n,
		double	e2,
		int	dev,
		int	dev_size
	)

Initialization kernel, which consider an interaction of the particles.

k_prediction()

__global__ void k_prediction	(	Forces *	f,
		double4 *	r,
		double4 *	v,
		double *	t,
		Predictor *	p,
		int	dev_size,
		double	ITIME
	)

Predictor kernel, in charge of performing the prediction step of all the particles on each integration step.

k_reduce()

__global__ void k_reduce	(	Forces *	in,
		Forces *	out,
		int	shift_id,
		int	shift
	)

Force reduction kernel, in charge of summing up all the preliminary results of the forces for the particles.

k_update()

__global__ void k_update	(	Predictor *	i_p,
		Predictor *	j_p,
		Forces *	fout,
		int	n,
		int	total,
		double	e2
	)

Force kernel, in charge of performing distribution of how the particles will be distributed among the GPUs.

This kernel calls the k_prediction kernel.