cudaUtil.h File Reference

Various cuda related parameters and utilities. More...

#include <cuda_runtime.h>
#include "cudaError.h"

Go to the source code of this file.

Macros
#define	NRANK   2
#define	NTHREADS   512
#define	NTHREADS2D   16
#define	WARPSIZE   32
#define	MAXTHREADS   1024
#define	MAXBLOCKS   4294967295
#define	MAXBLOCKS2   65535
#define	IDX2R(i, j, NJ)
#define	IDX2C(i, j, NI)
#define	IDIVUP(i, j)
#define	IMUL(a, b)
#define	MAX(a, b)
#define	MIN(a, b)

Functions
int	ftoi (float value)
int	nextpower2 (int value)
int	gpuDeviceInit (int devID)
void	gpuDeviceList ()

Detailed Description

Various cuda related parameters and utilities.

Some routines are adapted from Nvidia CUDA samples/common/inc/help_cuda.h Copyright 1993-2013 NVIDIA Corporation. All rights reserved.

Macro Definition Documentation

IDIVUP

#define IDIVUP	(		i,
			j )

Value:

((i+j-1)/j)

IDX2C

#define IDX2C	(		i,
			j,
			NI )

Value:

(((j)*(NI))+(i))

IDX2R

#define IDX2R	(		i,
			j,
			NJ )

Value:

(((i)*(NJ))+(j))

IMUL

#define IMUL	(		a,
			b )

Value:

__mul24(a, b)

MAX

#define MAX	(		a,
			b )

Value:

(a > b ? a : b)

MIN

#define MIN	(		a,
			b )

Value:

(a > b ? b: a)