dbm_mempool.c File Reference

#include <assert.h>
#include <omp.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include "../offload/offload_library.h"
#include "../offload/offload_runtime.h"
#include "dbm_mempool.h"

Go to the source code of this file.

Data Structures
struct	dbm_memchunk
	Private struct for storing a chunk of memory. More...

Typedefs
typedef struct dbm_memchunk	dbm_memchunk_t

Functions
static void *	actual_malloc (const size_t size, const bool on_device)
	Private routine for actually allocating system memory.
static void	actual_free (void *memory, const bool on_device)
	Private routine for actually freeing system memory.
static void *	internal_mempool_malloc (const size_t size, const bool on_device)
	Private routine for allocating host or device memory from the pool.
void *	dbm_mempool_host_malloc (const size_t size)
	Internal routine for allocating host memory from the pool.
void *	dbm_mempool_device_malloc (const size_t size)
	Internal routine for allocating device memory from the pool.
void	dbm_mempool_free (void *mem)
	Internal routine for releasing memory back to the pool.
void	dbm_mempool_clear (void)
	Internal routine for freeing all memory in the pool.

Variables
static dbm_memchunk_t *	mempool_available_head = NULL
	Private linked list of memory chunks that are available.
static dbm_memchunk_t *	mempool_allocated_head = NULL
	Private linked list of memory chunks that are in use.

Typedef Documentation

dbm_memchunk_t

typedef struct dbm_memchunk dbm_memchunk_t

Definition at line 74 of file dbm_mempool.c.

Function Documentation

actual_malloc()

static void * actual_malloc ( const size_t  size, const bool  on_device  )

static

Private routine for actually allocating system memory.

Author

Ole Schuett

Definition at line 22 of file dbm_mempool.c.

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actual_free()

static void actual_free ( void *  memory, const bool  on_device  )

static

Private routine for actually freeing system memory.

Author

Ole Schuett

Definition at line 46 of file dbm_mempool.c.

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internal_mempool_malloc()

static void * internal_mempool_malloc ( const size_t  size, const bool  on_device  )

static

Private routine for allocating host or device memory from the pool.

Author

Ole Schuett

Definition at line 92 of file dbm_mempool.c.

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dbm_mempool_host_malloc()

void * dbm_mempool_host_malloc

(

const size_t

size

)

Internal routine for allocating host memory from the pool.

Author

Ole Schuett

Definition at line 141 of file dbm_mempool.c.

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dbm_mempool_device_malloc()

void * dbm_mempool_device_malloc

(

const size_t

size

)

Internal routine for allocating device memory from the pool.

Author

Ole Schuett

Definition at line 149 of file dbm_mempool.c.

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dbm_mempool_free()

void dbm_mempool_free

(

void *

mem

)

Internal routine for releasing memory back to the pool.

Author

Ole Schuett

Definition at line 157 of file dbm_mempool.c.

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dbm_mempool_clear()

void dbm_mempool_clear

(

void

)

Internal routine for freeing all memory in the pool.

Author

Ole Schuett

Definition at line 185 of file dbm_mempool.c.

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Variable Documentation

mempool_available_head

dbm_memchunk_t* mempool_available_head = NULL

static

Private linked list of memory chunks that are available.

Author

Ole Schuett

Definition at line 80 of file dbm_mempool.c.

mempool_allocated_head

dbm_memchunk_t* mempool_allocated_head = NULL

static

Private linked list of memory chunks that are in use.

Author

Ole Schuett

Definition at line 86 of file dbm_mempool.c.