Scippy

SCIP

Solving Constraint Integer Programs

Functions
mem.c File Reference

Detailed Description

block memory pools and memory buffers

Author
Tobias Achterberg
Gerald Gamrath

Definition in file mem.c.

#include <assert.h>
#include "scip/def.h"
#include "scip/mem.h"
#include "scip/pub_message.h"

Go to the source code of this file.

Functions

SCIP_RETCODE SCIPmemCreate (SCIP_MEM **mem)
 
SCIP_RETCODE SCIPmemFree (SCIP_MEM **mem)
 
SCIP_Longint SCIPmemGetUsed (SCIP_MEM *mem)
 
SCIP_Longint SCIPmemGetTotal (SCIP_MEM *mem)
 
SCIP_Longint SCIPmemGetUsedBlockmemoryMax (SCIP_MEM *mem)
 
SCIP_Longint SCIPmemGetUnusedBlockmemoryMax (SCIP_MEM *mem)
 
SCIP_Longint SCIPmemGetAllocatedBlockmemoryMax (SCIP_MEM *mem)
 

Function Documentation

◆ SCIPmemCreate()

SCIP_RETCODE SCIPmemCreate ( SCIP_MEM **  mem)

creates block and buffer memory structures

Parameters
mempointer to block and buffer memory structure

Definition at line 33 of file mem.c.

References BMSallocMemory, BMScreateBlockMemory, BMScreateBufferMemory, FALSE, NULL, SCIP_ALLOC, SCIP_DEFAULT_MEM_ARRAYGROWFAC, SCIP_DEFAULT_MEM_ARRAYGROWINIT, SCIP_OKAY, SCIPdebugMessage, and TRUE.

Referenced by SCIPcreate().

◆ SCIPmemFree()

SCIP_RETCODE SCIPmemFree ( SCIP_MEM **  mem)

frees block and buffer memory structures

Parameters
mempointer to block and buffer memory structure

Definition at line 59 of file mem.c.

References BMSblockMemoryCheckEmpty, BMSdestroyBlockMemory, BMSdestroyBufferMemory, BMSfreeMemory, NULL, and SCIP_OKAY.

Referenced by SCIPfree().

◆ SCIPmemGetUsed()

SCIP_Longint SCIPmemGetUsed ( SCIP_MEM *  mem)

returns the total number of bytes used in block and buffer memory

Parameters
mempointer to block and buffer memory structure

Definition at line 85 of file mem.c.

References BMSgetBlockMemoryUsed, BMSgetBufferMemoryUsed(), SCIP_Mem::buffer, SCIP_Mem::cleanbuffer, NULL, SCIP_Mem::probmem, and SCIP_Mem::setmem.

Referenced by SCIPgetMemUsed(), and SCIPstatUpdateMemsaveMode().

◆ SCIPmemGetTotal()

SCIP_Longint SCIPmemGetTotal ( SCIP_MEM *  mem)

returns the total number of bytes in block and buffer memory

Parameters
mempointer to block and buffer memory structure

Definition at line 96 of file mem.c.

References BMSgetBlockMemoryAllocated, BMSgetBufferMemoryUsed(), SCIP_Mem::buffer, SCIP_Mem::cleanbuffer, NULL, SCIP_Mem::probmem, and SCIP_Mem::setmem.

Referenced by SCIPgetMemTotal().

◆ SCIPmemGetUsedBlockmemoryMax()

SCIP_Longint SCIPmemGetUsedBlockmemoryMax ( SCIP_MEM *  mem)

returns the maximal number of used bytes in block memory

Parameters
mempointer to block and buffer memory structure

Definition at line 107 of file mem.c.

References BMSgetBlockMemoryUsedMax, NULL, SCIP_Mem::probmem, and SCIP_Mem::setmem.

◆ SCIPmemGetUnusedBlockmemoryMax()

SCIP_Longint SCIPmemGetUnusedBlockmemoryMax ( SCIP_MEM *  mem)

returns the maximal number of allocated but not used bytes in block memory

Parameters
mempointer to block and buffer memory structure

Definition at line 117 of file mem.c.

References BMSgetBlockMemoryUnusedMax, NULL, SCIP_Mem::probmem, and SCIP_Mem::setmem.

◆ SCIPmemGetAllocatedBlockmemoryMax()

SCIP_Longint SCIPmemGetAllocatedBlockmemoryMax ( SCIP_MEM *  mem)

returns the maximal number of allocated bytes in block memory

Parameters
mempointer to block and buffer memory structure

Definition at line 127 of file mem.c.

References BMSgetBlockMemoryAllocatedMax, NULL, SCIP_Mem::probmem, and SCIP_Mem::setmem.