dbm_mempool.c File Reference

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

Go to the source code of this file.

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

Macros
#define	DBM_MEMPOOL_OFFLOAD_ENABLED   0
#define	DBM_MEMPOOL_DEVICE_ENABLED    (DBM_MEMPOOL_DEVICE && DBM_MEMPOOL_OFFLOAD_ENABLED)
#define	DBM_MEMPOOL_HOST_ENABLED

Typedefs
typedef struct dbm_memchunk	dbm_memchunk_t
	Private struct for storing a chunk of memory.

Functions
static void *	actual_malloc (size_t size, bool on_device)
	Private routine for actually allocating system memory.
static void	actual_free (const void *memory, bool on_device)
	Private routine for actually freeing system memory.
void *	dbm_mempool_host_malloc (size_t size)
	Private routine for allocating host or device memory from the pool.
void *	dbm_mempool_device_malloc (size_t size)
	Internal routine for allocating device memory from the pool.
void	dbm_mempool_host_free (const void *memory)
	Private routine for releasing memory back to the pool.
void	dbm_mempool_device_free (const void *memory)
	Internal routine for releasing memory back to the pool.
void	dbm_mempool_clear (void)
	Private routine for freeing all memory in the pool.
void	dbm_mempool_statistics (dbm_memstats_t *memstats)
	Internal routine to query statistics.

Variables
static dbm_memstats_t	mempool_stats = {0}
	Private single-linked lists of memory chunks available and allocated.

Macro Definition Documentation

DBM_MEMPOOL_OFFLOAD_ENABLED

#define DBM_MEMPOOL_OFFLOAD_ENABLED   0

Definition at line 25 of file dbm_mempool.c.

DBM_MEMPOOL_DEVICE_ENABLED

#define DBM_MEMPOOL_DEVICE_ENABLED    (DBM_MEMPOOL_DEVICE && DBM_MEMPOOL_OFFLOAD_ENABLED)

Definition at line 27 of file dbm_mempool.c.

DBM_MEMPOOL_HOST_ENABLED

#define DBM_MEMPOOL_HOST_ENABLED

Value:

  ((DBM_MEMPOOL_HOST && DBM_ALLOC_OFFLOAD && DBM_MEMPOOL_OFFLOAD_ENABLED) ||   \
   (1 < DBM_MEMPOOL_HOST))

Definition at line 29 of file dbm_mempool.c.

Typedef Documentation

dbm_memchunk_t

typedef struct dbm_memchunk dbm_memchunk_t

Private struct for storing a chunk of memory.

Author

Ole Schuett

Function Documentation

actual_malloc()

static void * actual_malloc ( size_t  size, bool  on_device  )

static

Private routine for actually allocating system memory.

Author

Ole Schuett

Definition at line 71 of file dbm_mempool.c.

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actual_free()

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

static

Private routine for actually freeing system memory.

Author

Ole Schuett

Definition at line 109 of file dbm_mempool.c.

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dbm_mempool_host_malloc()

void * dbm_mempool_host_malloc

(

size_t

size

)

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

Internal routine for allocating host memory from the pool.

Author

Ole Schuett

Internal routine for allocating host memory from the pool.

Author

Ole Schuett

Definition at line 204 of file dbm_mempool.c.

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dbm_mempool_device_malloc()

void * dbm_mempool_device_malloc

(

size_t

size

)

Internal routine for allocating device memory from the pool.

Author

Ole Schuett

Definition at line 217 of file dbm_mempool.c.

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dbm_mempool_host_free()

void dbm_mempool_host_free

(

const void *

memory

)

Private routine for releasing memory back to the pool.

Internal routine for releasing memory back to the pool.

Author

Ole Schuett

Internal routine for releasing memory back to the pool.

Author

Ole Schuett

Definition at line 261 of file dbm_mempool.c.

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dbm_mempool_device_free()

void dbm_mempool_device_free

(

const void *

memory

)

Internal routine for releasing memory back to the pool.

Author

Ole Schuett

Definition at line 274 of file dbm_mempool.c.

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dbm_mempool_clear()

void dbm_mempool_clear

(

void

)

Private routine for freeing all memory in the pool.

Internal routine for freeing all memory in the pool.

Author

Ole Schuett

Internal routine for freeing all memory in the pool.

Author

Ole Schuett

Definition at line 314 of file dbm_mempool.c.

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dbm_mempool_statistics()

void dbm_mempool_statistics

(

dbm_memstats_t *

memstats

)

Internal routine to query statistics.

Author

Hans Pabst

Definition at line 332 of file dbm_mempool.c.

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Variable Documentation

mempool_stats

dbm_memstats_t mempool_stats = {0}

static

Private single-linked lists of memory chunks available and allocated.

Author

Ole Schuett

Private single-linked lists of memory chunks available and allocated.

Author

Ole Schuett

Private statistics.

Author

Hans Pabst

Definition at line 65 of file dbm_mempool.c.