gpu_malloc.h File Reference

Simple device memory allocator. More...

#include <stdlib.h>
#include "cuda_stubs.h"

Go to the source code of this file.

Data Structures
struct	segment
struct	gpu_malloc_s

Typedefs
typedef struct segment	segment_t
typedef struct gpu_malloc_s	gpu_malloc_t

Functions
gpu_malloc_t *	gpu_malloc_init (int max_segment, size_t unit_size)
	Creates a new device allocator. More...
int	gpu_malloc_fini (gpu_malloc_t *gdata)
	Destroys a device allocator. More...
void *	gpu_malloc (gpu_malloc_t *gdata, size_t size)
	Allocates device memory. More...
int	gpu_free (gpu_malloc_t *gdata, void *ptr)
	Frees device memory. More...

Detailed Description

Simple device memory allocator.

Author

Aurelien Bouteiller

Thomas Herault

George Bosilca

PULSAR Runtime http://icl.utk.edu/pulsar/ Copyright (C) 2012-2015 University of Tennessee.

Definition in file gpu_malloc.h.

Function Documentation

int gpu_free	(	gpu_malloc_t *	gdata,
		void *	add
	)

Frees device memory.

Parameters

gdata	– The allocator to use.
add	– The pointer to the memory to free.

Return values

0	on success.
-1	on error.

Definition at line 143 of file gpu_malloc.c.

void* gpu_malloc	(	gpu_malloc_t *	gdata,
		size_t	size
	)

Allocates device memory.

Parameters

gdata	– The allocator to use.
size	– The size in bytes to allocate.

Returns

A pointer to the allocated memory. NULL on error.

Definition at line 106 of file gpu_malloc.c.

int gpu_malloc_fini

(

gpu_malloc_t *

gdata)

Destroys a device allocator.

Parameters

gdata

– The allocator to destroy.

Return values

0	on success.
-1	on error.

Definition at line 73 of file gpu_malloc.c.

gpu_malloc_t* gpu_malloc_init	(	int	_max_segment,
		size_t	_unit_size
	)

Creates a new device allocator.

Parameters

_max_segment	– The maximum number of segments.
_unit_size	– The size of each segment.

Returns

A new allocator. NULL on error.

Definition at line 24 of file gpu_malloc.c.