dark_cuda.hpp File Reference

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Macros
#define	BLOCK   512
#define	BLOCK_TRANSPOSE32   256
#define	CHECK_CUBLAS(X)   cublas_check_error_extended(X, __FILE__, __func__, __LINE__ );
#define	CHECK_CUDA(X)   check_cuda_error_extended(X, __FILE__, __func__, __LINE__ );
#define	CHECK_CUDNN(X)   cudnn_check_error_extended(X, __FILE__, __func__, __LINE__);
#define	FULL_MASK   0xffffffff
#define	WARP_SIZE   32

Enumerations
enum	{   cudnn_fastest ,   cudnn_smallest ,   cudnn_specify }

Functions
cublasHandle_t	blas_handle ()
void	check_cuda_error (cudaError_t status, const char *const filename, const char *const funcname, const int line)
void	check_cuda_error_extended (cudaError_t status, const char *const filename, const char *const funcname, const int line)
void	cublas_check_error_extended (cublasStatus_t status, const char *const filename, const char *const funcname, const int line)
float	cuda_compare (float *x_gpu, float *x, size_t n, char *s)
void	cuda_free (float *x_gpu)
void	cuda_free_host (float *x_cpu)
int	cuda_get_device ()
dim3	cuda_gridsize (size_t n)
float *	cuda_make_array (float *x, size_t n)
	Allocate memory on the GPU.
float *	cuda_make_array_pinned (float *x, size_t n)
float *	cuda_make_array_pinned_preallocated (float *x, size_t n)
void **	cuda_make_array_pointers (void **x, size_t n)
int *	cuda_make_int_array (size_t n)
int *	cuda_make_int_array_new_api (int *x, size_t n)
void	cuda_push_array (float *x_gpu, float *x, size_t n)
void	cuda_random (float *x_gpu, size_t n)
void	cudnn_check_error_extended (cudnnStatus_t status, const char *const filename, const char *const function, const int line)
cudnnHandle_t	cudnn_handle ()
void	free_pinned_memory ()
cudaStream_t	get_cuda_stream ()
int	get_gpu_compute_capability (int i, char *device_name)
int	get_number_of_blocks (int array_size, int block_size)
void	pre_allocate_pinned_memory (size_t size)
void	reset_wait_stream_events ()
void	show_cuda_cudnn_info ()
cudaStream_t	switch_stream (int i)
void	wait_stream (int i)

Variables
int	cuda_debug_sync

Macro Definition Documentation

BLOCK

#define BLOCK   512

Todo:

What is this? See where it is used in all the .cu files.

BLOCK_TRANSPOSE32

#define BLOCK_TRANSPOSE32   256

CHECK_CUBLAS

#define CHECK_CUBLAS

(

X

)

cublas_check_error_extended(X, __FILE__, __func__, __LINE__ );

CHECK_CUDA

#define CHECK_CUDA

(

X

)

check_cuda_error_extended(X, __FILE__, __func__, __LINE__ );

CHECK_CUDNN

#define CHECK_CUDNN

(

X

)

cudnn_check_error_extended(X, __FILE__, __func__, __LINE__);

FULL_MASK

#define FULL_MASK   0xffffffff

WARP_SIZE

#define WARP_SIZE   32

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
cudnn_fastest
cudnn_smallest
cudnn_specify

Function Documentation

blas_handle()

cublasHandle_t blas_handle

(

)

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check_cuda_error()

void check_cuda_error	(	cudaError_t	status,
		const char *const	filename,
		const char *const	funcname,
		const int	line
	)

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check_cuda_error_extended()

void check_cuda_error_extended	(	cudaError_t	status,
		const char *const	filename,
		const char *const	funcname,
		const int	line
	)

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cublas_check_error_extended()

void cublas_check_error_extended	(	cublasStatus_t	status,
		const char *const	filename,
		const char *const	funcname,
		const int	line
	)

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cuda_compare()

float cuda_compare	(	float *	x_gpu,
		float *	x,
		size_t	n,
		char *	s
	)

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cuda_free()

void cuda_free

(

float *

x_gpu

)

cuda_free_host()

void cuda_free_host

(

float *

x_cpu

)

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cuda_get_device()

int cuda_get_device

(

)

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cuda_gridsize()

dim3 cuda_gridsize

(

size_t

n

)

cuda_make_array()

float * cuda_make_array	(	float *	x,
		size_t	n
	)

Allocate memory on the GPU.

If x is not null, then copy the given floats from the host pointer.

Returns

a pointer to the CUDA memory allocation.

Warning

The copy is asynchronous and may not have finished when this function returns!

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cuda_make_array_pinned()

float * cuda_make_array_pinned	(	float *	x,
		size_t	n
	)

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cuda_make_array_pinned_preallocated()

float * cuda_make_array_pinned_preallocated	(	float *	x,
		size_t	n
	)

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cuda_make_array_pointers()

void ** cuda_make_array_pointers	(	void **	x,
		size_t	n
	)

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cuda_make_int_array()

int * cuda_make_int_array

(

size_t

n

)

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cuda_make_int_array_new_api()

int * cuda_make_int_array_new_api	(	int *	x,
		size_t	n
	)

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cuda_push_array()

void cuda_push_array	(	float *	x_gpu,
		float *	x,
		size_t	n
	)

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cuda_random()

void cuda_random	(	float *	x_gpu,
		size_t	n
	)

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cudnn_check_error_extended()

void cudnn_check_error_extended	(	cudnnStatus_t	status,
		const char *const	filename,
		const char *const	function,
		const int	line
	)

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cudnn_handle()

cudnnHandle_t cudnn_handle

(

)

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free_pinned_memory()

void free_pinned_memory

(

)

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get_cuda_stream()

cudaStream_t get_cuda_stream

(

)

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get_gpu_compute_capability()

int get_gpu_compute_capability	(	int	i,
		char *	device_name
	)

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get_number_of_blocks()

int get_number_of_blocks	(	int	array_size,
		int	block_size
	)

pre_allocate_pinned_memory()

void pre_allocate_pinned_memory

(

size_t

size

)

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reset_wait_stream_events()

void reset_wait_stream_events

(

)

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show_cuda_cudnn_info()

void show_cuda_cudnn_info

(

)

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switch_stream()

cudaStream_t switch_stream

(

int

i

)

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wait_stream()

void wait_stream

(

int

i

)

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Variable Documentation

cuda_debug_sync

int cuda_debug_sync

extern

Todo:

V3 is this still needed?

Todo:

V3 is cuda_debug_sync still necessary?