gs.cu File Reference

#include <climits>
#include <cstdio>
#include <device/device_config.h>
#include <device/cuda/check.h>
#include "gs_kernels.h"

Go to the source code of this file.

Macros
#define	GS_OP_ADD   1
#define	GS_OP_MUL   2
#define	GS_OP_MIN   3
#define	GS_OP_MAX   4

Functions
void	cuda_gather_kernel (void *v, int *m, int *o, void *dg, void *u, int *n, void *gd, int *nb, void *b, void *bo, int *op, cudaStream_t stream)
void	cuda_scatter_kernel (void *v, int *m, void *dg, void *u, int *n, void *gd, int *nb, void *b, void *bo, cudaStream_t stream)
void	cuda_gs_pack (void *u_d, void *buf_d, void *dof_d, int offset, int n, cudaStream_t stream)
void	cuda_gs_unpack (real *u_d, int op, real *buf_d, int *dof_d, int offset, int n, cudaStream_t stream)

Macro Definition Documentation

GS_OP_ADD

#define GS_OP_ADD   1

Definition at line 41 of file gs.cu.

GS_OP_MAX

#define GS_OP_MAX   4

Definition at line 44 of file gs.cu.

GS_OP_MIN

#define GS_OP_MIN   3

Definition at line 43 of file gs.cu.

GS_OP_MUL

#define GS_OP_MUL   2

Definition at line 42 of file gs.cu.

Function Documentation

cuda_gather_kernel()

void cuda_gather_kernel	(	void *	v,
		int *	m,
		int *	o,
		void *	dg,
		void *	u,
		int *	n,
		void *	gd,
		int *	nb,
		void *	b,
		void *	bo,
		int *	op,
		cudaStream_t	stream
	)

Fortran wrapper for device gather kernels

Definition at line 51 of file gs.cu.

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cuda_gs_pack()

void cuda_gs_pack	(	void *	u_d,
		void *	buf_d,
		void *	dof_d,
		int	offset,
		int	n,
		cudaStream_t	stream
	)

Pack send buffer on device

Definition at line 116 of file gs.cu.

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cuda_gs_unpack()

void cuda_gs_unpack	(	real *	u_d,
		int	op,
		real *	buf_d,
		int *	dof_d,
		int	offset,
		int	n,
		cudaStream_t	stream
	)

Unpack receive buffer on device

Definition at line 139 of file gs.cu.

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cuda_scatter_kernel()

void cuda_scatter_kernel	(	void *	v,
		int *	m,
		void *	dg,
		void *	u,
		int *	n,
		void *	gd,
		int *	nb,
		void *	b,
		void *	bo,
		cudaStream_t	stream
	)

Fortran wrapper for device scatter kernel

Definition at line 96 of file gs.cu.

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