memory.c File Reference

Detailed Description

memory allocation routines

Author

Tobias Achterberg

Gerald Gamrath

Marc Pfetsch

Definition in file memory.c.

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <stdint.h>
#include "blockmemshell/memory.h"

Go to the source code of this file.

Macros
#define	debugMessage   while( FALSE ) printf
#define	errorMessage   printf
#define	printErrorHeader(f, l)   printf("[%s:%d] ERROR: ", f, l)
#define	printError   printf
#define	warningMessage   printf
#define	printInfo   printf
#define	FALSE   0
#define	TRUE   1
#define	MAX(x, y)   ((x) >= (y) ? (x) : (y))
#define	MIN(x, y)   ((x) <= (y) ? (x) : (y))
#define	LONGINT_FORMAT   "lld"
#define	MAXMEMSIZE   SIZE_MAX / 2
#define	INLINE   inline
#define	CHUNKLENGTH_MIN   1024
#define	CHUNKLENGTH_MAX   1048576
#define	STORESIZE_MAX   8192
#define	GARBAGE_SIZE   256
#define	ALIGNMENT   (sizeof(FREELIST))
#define	checkChunk(chunk)
#define	checkChkmem(chkmem)
#define	CHKHASH_SIZE   1013
#define	checkBlkmem(blkmem)

Typedefs
typedef struct Freelist	FREELIST
typedef struct Chunk	CHUNK

Functions
size_t	BMSgetPointerSize_call (const void *ptr)
void	BMSdisplayMemory_call (void)
void	BMScheckEmptyMemory_call (void)
long long	BMSgetMemoryUsed_call (void)
void *	BMSallocClearMemory_call (size_t num, size_t typesize, const char *filename, int line)
void *	BMSallocMemory_call (size_t size, const char *filename, int line)
void *	BMSallocMemoryArray_call (size_t num, size_t typesize, const char *filename, int line)
void *	BMSreallocMemory_call (void *ptr, size_t size, const char *filename, int line)
void *	BMSreallocMemoryArray_call (void *ptr, size_t num, size_t typesize, const char *filename, int line)
void	BMSclearMemory_call (void *ptr, size_t size)
void	BMScopyMemory_call (void *ptr, const void *source, size_t size)
void	BMSmoveMemory_call (void *ptr, const void *source, size_t size)
void *	BMSduplicateMemory_call (const void *source, size_t size, const char *filename, int line)
void *	BMSduplicateMemoryArray_call (const void *source, size_t num, size_t typesize, const char *filename, int line)
void	BMSfreeMemory_call (void **ptr, const char *filename, int line)
void	BMSfreeMemoryNull_call (void **ptr, const char *filename, int line)
static void	alignSize (size_t *size)
void	BMSalignMemsize (size_t *size)
int	BMSisAligned (size_t size)
static int	isPtrInChunk (const CHUNK *chunk, const void *ptr)
static CHUNK *	findChunk (const BMS_CHKMEM *chkmem, const void *ptr)
static int	isPtrInChkmem (const BMS_CHKMEM *chkmem, const void *ptr)
static int	linkChunk (BMS_CHKMEM *chkmem, CHUNK *chunk)
static void	unlinkChunk (CHUNK *chunk)
static void	linkEagerChunk (BMS_CHKMEM *chkmem, CHUNK *chunk)
static void	unlinkEagerChunk (CHUNK *chunk)
static int	createChunk (BMS_CHKMEM *chkmem)
static void	destroyChunk (CHUNK *chunk)
static void	freeChunk (CHUNK *chunk)
static void *	allocChunkElement (CHUNK *chunk)
static void	freeChunkElement (CHUNK *chunk, void *ptr)
static BMS_CHKMEM *	createChkmem (int size, int initchunksize, int garbagefactor)
static void	clearChkmem (BMS_CHKMEM *chkmem)
static void	destroyChkmem (BMS_CHKMEM **chkmem)
static void *	allocChkmemElement (BMS_CHKMEM *chkmem)
static void	garbagecollectChkmem (BMS_CHKMEM *chkmem)
static void	freeChkmemElement (BMS_CHKMEM *chkmem, void *ptr, const char *filename, int line)
BMS_CHKMEM *	BMScreateChunkMemory_call (size_t size, int initchunksize, int garbagefactor, const char *filename, int line)
void	BMSclearChunkMemory_call (BMS_CHKMEM *chkmem, const char *filename, int line)
void	BMSdestroyChunkMemory_call (BMS_CHKMEM **chkmem, const char *filename, int line)
void *	BMSallocChunkMemory_call (BMS_CHKMEM *chkmem, size_t size, const char *filename, int line)
void *	BMSduplicateChunkMemory_call (BMS_CHKMEM *chkmem, const void *source, size_t size, const char *filename, int line)
void	BMSfreeChunkMemory_call (BMS_CHKMEM *chkmem, void **ptr, size_t size, const char *filename, int line)
void	BMSfreeChunkMemoryNull_call (BMS_CHKMEM *chkmem, void **ptr, size_t size, const char *filename, int line)
void	BMSgarbagecollectChunkMemory_call (BMS_CHKMEM *chkmem)
long long	BMSgetChunkMemoryUsed_call (const BMS_CHKMEM *chkmem)
static BMS_CHKMEM *	findChkmem (const BMS_BLKMEM *blkmem, const void *ptr)
static int	getHashNumber (int size)
BMS_BLKMEM *	BMScreateBlockMemory_call (int initchunksize, int garbagefactor, const char *filename, int line)
void	BMSclearBlockMemory_call (BMS_BLKMEM *blkmem, const char *filename, int line)
void	BMSdestroyBlockMemory_call (BMS_BLKMEM **blkmem, const char *filename, int line)
static INLINE void *	BMSallocBlockMemory_work (BMS_BLKMEM *blkmem, size_t size, const char *filename, int line)
void *	BMSallocBlockMemory_call (BMS_BLKMEM *blkmem, size_t size, const char *filename, int line)
void *	BMSallocBlockMemoryArray_call (BMS_BLKMEM *blkmem, size_t num, size_t typesize, const char *filename, int line)
void *	BMSallocClearBlockMemoryArray_call (BMS_BLKMEM *blkmem, size_t num, size_t typesize, const char *filename, int line)
void *	BMSreallocBlockMemory_call (BMS_BLKMEM *blkmem, void *ptr, size_t oldsize, size_t newsize, const char *filename, int line)
void *	BMSreallocBlockMemoryArray_call (BMS_BLKMEM *blkmem, void *ptr, size_t oldnum, size_t newnum, size_t typesize, const char *filename, int line)
void *	BMSduplicateBlockMemory_call (BMS_BLKMEM *blkmem, const void *source, size_t size, const char *filename, int line)
void *	BMSduplicateBlockMemoryArray_call (BMS_BLKMEM *blkmem, const void *source, size_t num, size_t typesize, const char *filename, int line)
static INLINE void	BMSfreeBlockMemory_work (BMS_BLKMEM *blkmem, void **ptr, size_t size, const char *filename, int line)
void	BMSfreeBlockMemory_call (BMS_BLKMEM *blkmem, void **ptr, size_t size, const char *filename, int line)
void	BMSfreeBlockMemoryNull_call (BMS_BLKMEM *blkmem, void **ptr, size_t size, const char *filename, int line)
void	BMSgarbagecollectBlockMemory_call (BMS_BLKMEM *blkmem)
long long	BMSgetBlockMemoryUsed_call (const BMS_BLKMEM *blkmem)
size_t	BMSgetBlockPointerSize_call (const BMS_BLKMEM *blkmem, const void *ptr)
void	BMSdisplayBlockMemory_call (const BMS_BLKMEM *blkmem)
void	BMScheckEmptyBlockMemory_call (const BMS_BLKMEM *blkmem)
BMS_BUFMEM *	BMScreateBufferMemory_call (double arraygrowfac, int arraygrowinit, unsigned int clean, const char *filename, int line)
void	BMSdestroyBufferMemory_call (BMS_BUFMEM **buffer, const char *filename, int line)
void	BMSsetBufferMemoryArraygrowfac (BMS_BUFMEM *buffer, double arraygrowfac)
void	BMSsetBufferMemoryArraygrowinit (BMS_BUFMEM *buffer, int arraygrowinit)
static size_t	calcMemoryGrowSize (size_t initsize, SCIP_Real growfac, size_t num)
static INLINE void *	BMSallocBufferMemory_work (BMS_BUFMEM *buffer, size_t size, const char *filename, int line)
void *	BMSallocBufferMemory_call (BMS_BUFMEM *buffer, size_t size, const char *filename, int line)
void *	BMSallocBufferMemoryArray_call (BMS_BUFMEM *buffer, size_t num, size_t typesize, const char *filename, int line)
void *	BMSallocClearBufferMemoryArray_call (BMS_BUFMEM *buffer, size_t num, size_t typesize, const char *filename, int line)
static INLINE void *	BMSreallocBufferMemory_work (BMS_BUFMEM *buffer, void *ptr, size_t size, const char *filename, int line)
void *	BMSreallocBufferMemory_call (BMS_BUFMEM *buffer, void *ptr, size_t size, const char *filename, int line)
void *	BMSreallocBufferMemoryArray_call (BMS_BUFMEM *buffer, void *ptr, size_t num, size_t typesize, const char *filename, int line)
void *	BMSduplicateBufferMemory_call (BMS_BUFMEM *buffer, const void *source, size_t size, const char *filename, int line)
void *	BMSduplicateBufferMemoryArray_call (BMS_BUFMEM *buffer, const void *source, size_t num, size_t typesize, const char *filename, int line)
static INLINE void	BMSfreeBufferMemory_work (BMS_BUFMEM *buffer, void **ptr, const char *filename, int line)
void	BMSfreeBufferMemory_call (BMS_BUFMEM *buffer, void **ptr, const char *filename, int line)
void	BMSfreeBufferMemoryNull_call (BMS_BUFMEM *buffer, void **ptr, const char *filename, int line)
size_t	BMSgetNUsedBufferMemory (BMS_BUFMEM *buffer)
long long	BMSgetBufferMemoryUsed (const BMS_BUFMEM *buffer)
void	BMSprintBufferMemory (BMS_BUFMEM *buffer)

Macro Definition Documentation

#define debugMessage   while( FALSE ) printf

Definition at line 47 of file memory.c.

Referenced by allocChunkElement(), BMSallocBlockMemory_work(), BMSallocBufferMemory_work(), BMSallocChunkMemory_call(), BMSallocClearMemory_call(), BMSallocMemory_call(), BMSallocMemoryArray_call(), BMSclearChunkMemory_call(), BMScreateChunkMemory_call(), BMSdestroyChunkMemory_call(), BMSfreeBlockMemory_work(), BMSfreeBufferMemory_work(), BMSfreeChunkMemory_call(), BMSfreeChunkMemoryNull_call(), BMSgarbagecollectChunkMemory_call(), BMSreallocBufferMemory_work(), createChunk(), destroyChunk(), freeChunk(), freeChunkElement(), garbagecollectChkmem(), linkChunk(), and unlinkChunk().

#define errorMessage   printf

Definition at line 48 of file memory.c.

Referenced by garbagecollectChkmem().

#define printErrorHeader	(		f,
			l
	)		printf("[%s:%d] ERROR: ", f, l)

Definition at line 49 of file memory.c.

Referenced by BMSallocBlockMemory_call(), BMSallocBlockMemory_work(), BMSallocBlockMemoryArray_call(), BMSallocBufferMemory_call(), BMSallocBufferMemory_work(), BMSallocBufferMemoryArray_call(), BMSallocChunkMemory_call(), BMSallocClearMemory_call(), BMSallocMemory_call(), BMSallocMemoryArray_call(), BMSclearBlockMemory_call(), BMSclearChunkMemory_call(), BMScreateBlockMemory_call(), BMScreateBufferMemory_call(), BMScreateChunkMemory_call(), BMSdestroyBlockMemory_call(), BMSdestroyBufferMemory_call(), BMSdestroyChunkMemory_call(), BMSfreeBlockMemory_call(), BMSfreeBlockMemory_work(), BMSfreeBufferMemory_call(), BMSfreeBufferMemory_work(), BMSfreeChunkMemory_call(), BMSfreeMemory_call(), BMSreallocBlockMemory_call(), BMSreallocBlockMemoryArray_call(), BMSreallocBufferMemory_call(), BMSreallocBufferMemory_work(), BMSreallocBufferMemoryArray_call(), BMSreallocMemory_call(), BMSreallocMemoryArray_call(), and freeChkmemElement().

#define printError   printf

Definition at line 50 of file memory.c.

Referenced by BMSallocBlockMemory_call(), BMSallocBlockMemory_work(), BMSallocBlockMemoryArray_call(), BMSallocBufferMemory_call(), BMSallocBufferMemory_work(), BMSallocBufferMemoryArray_call(), BMSallocChunkMemory_call(), BMSallocClearMemory_call(), BMSallocMemory_call(), BMSallocMemoryArray_call(), BMSclearBlockMemory_call(), BMSclearChunkMemory_call(), BMScreateBlockMemory_call(), BMScreateBufferMemory_call(), BMScreateChunkMemory_call(), BMSdestroyBlockMemory_call(), BMSdestroyBufferMemory_call(), BMSdestroyChunkMemory_call(), BMSfreeBlockMemory_call(), BMSfreeBlockMemory_work(), BMSfreeBufferMemory_call(), BMSfreeBufferMemory_work(), BMSfreeChunkMemory_call(), BMSfreeMemory_call(), BMSreallocBlockMemory_call(), BMSreallocBlockMemoryArray_call(), BMSreallocBufferMemory_call(), BMSreallocBufferMemory_work(), BMSreallocBufferMemoryArray_call(), BMSreallocMemory_call(), BMSreallocMemoryArray_call(), and freeChkmemElement().

#define warningMessage   printf

Definition at line 53 of file memory.c.

#define printInfo   printf

Definition at line 54 of file memory.c.

Referenced by BMScheckEmptyBlockMemory_call(), BMScheckEmptyMemory_call(), BMSdisplayBlockMemory_call(), and BMSdisplayMemory_call().

#define FALSE   0

Definition at line 58 of file memory.c.

Referenced by BMSallocBufferMemory_work(), BMSfreeBufferMemory_work(), createChunk(), and linkChunk().

#define TRUE   1

Definition at line 59 of file memory.c.

Referenced by BMSallocBufferMemory_work(), and linkChunk().

#define MAX	(		x,
			y
	)		((x) >= (y) ? (x) : (y))

Definition at line 62 of file memory.c.

Referenced by BMSallocClearMemory_call(), BMSallocMemory_call(), BMSallocMemoryArray_call(), BMSreallocMemory_call(), BMSreallocMemoryArray_call(), calcMemoryGrowSize(), and createChunk().

#define MIN	(		x,
			y
	)		((x) <= (y) ? (x) : (y))

Definition at line 63 of file memory.c.

Referenced by addConcaveEstimatorBivariate(), addConcaveEstimatorMultivariate(), addConcaveEstimatorUnivariate(), addConflictBinvar(), addIntervalGradientEstimator(), addLinearization(), addLinearizationCuts(), addUserEstimator(), aggregation(), analyzeEnergyRequirement(), applyFixings(), applyVbounds(), BMSreallocBlockMemory_call(), BMSreallocBlockMemoryArray_call(), calcPscostQuot(), calcScore(), calcShiftVal(), calcTwoRowBnds(), calculateBounds(), checkArraySizesGLS(), checkArraySizesHeur(), checkCurvature(), checkFactorable(), checkFixedVariables(), checkRedundancySide(), chooseDoubleVar(), collectBinaryCliqueData(), collectBinaryVars(), collectBranchingCands(), collectDataTTEF(), collectIntVars(), collectMaxactVar(), collectNonBinaryImplicationData(), collectNonBinaryVBoundData(), collectThetaSubtree(), computeCoreWithInterval(), computeFieldWidth(), computeFixingOrder(), computeReferencePointGauge(), computeViolation(), conflictAnalyze(), conflictCreateReconvergenceConss(), conflictInsertConflictset(), conflictMarkBoundCheckPresence(), conflictsetAddBound(), conflictsetAddBounds(), conflictsetCalcInsertDepth(), consCapacityConstraintsFinder(), consCheckRedundancy(), consdataUpdateLinearActivity(), copyAndSolveComponent(), coretimesUpdateLb(), createChunk(), createCoreProfile(), createCoverCuts(), createCoverCutsTimepoint(), createCoveringProblem(), createDisjuctiveCons(), createNlRow(), createSubproblem(), cutGenerationHeuristic(), cutpoolDelCut(), determineBound(), dualWeightsTightening(), enforceConflictgraph(), ensureMemorySize(), evalLhs(), evalMin(), execRelpscost(), exprgraphUpdateVarNodeBounds(), exprUnconvertPolynomial(), findDominancePairs(), fixAndPropagate(), fixDiscreteVars(), fixInterdiction(), generateCloseCutPoint(), generateConvexConcaveUnderestimator(), generateCut(), generateCutLTIcomputeCoefs(), generateCutSol(), generateDisjCutSOS1(), generateOrthogonal_lx_ly_Underestimator(), generateOrthogonal_lx_uy_Underestimator(), generateSparseCut(), generateUnderestimatorParallelYFacets(), getBounddist(), getBranchingDecisionStrongbranchSOS1(), getFlowCover(), getImpliedBounds(), getVectorOfWeights(), getZiValue(), GUBsetCalcCliquePartition(), handleCycle(), hashtableResize(), hessLagAddExprtree(), hessLagSparsitySetNzFlagForExprtree(), initSepaData(), insertSortedRootNeighbors(), insertZerolist(), isLbBetter(), isUbBetter(), lpGetResolveItlim(), nlrowRemoveFixedLinearCoefs(), nlrowRemoveFixedQuadVars(), nodeGetUctScore(), nodepairqueueCreate(), normalizeCumulativeCondition(), optimize(), paramsetSetSeparatingAggressive(), performFixing(), performStrongbranchWithPropagation(), perturb(), phi(), preprocessCliques(), preprocessConstraintPairs(), presolveConsEst(), presolveConsLct(), presolveDual(), presolveFindDuplicates(), presolveTryAddLinearReform(), prettifyConss(), priceAndCutLoop(), primalAddOrigSol(), primalAddSol(), primalSetCutoffbound(), primalSetUpperbound(), propagateBounds(), propagateBoundsBilinearTerm(), propagateBoundsCons(), propagateBoundsGetQuadActivity(), propagateCons(), propagateLbTTEF(), propagateTimetable(), propagateUbTTEF(), proposeBranchingPoint(), proposeFeasibleSolution(), readNonlinearExprs(), registerBranchingCandidatesCentrality(), registerBranchingCandidatesGap(), resolvePropagation(), resolvePropagationCoretimes(), respropCumulativeCondition(), rowAddNorms(), rowCalcIdxsAndVals(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_CONSENFOLP(), SCIP_DECL_CONSINITLP(), SCIP_DECL_CONSINITSOL(), SCIP_DECL_EXPREVAL(), SCIP_DECL_EXPRGRAPHVARADDED(), SCIP_DECL_HEUREXEC(), SCIP_DECL_NLPISETINTPAR(), SCIP_DECL_NODESELSELECT(), SCIP_DECL_PRESOLEXEC(), SCIP_DECL_QUADCONSUPGD(), SCIP_DECL_SEPAEXECLP(), SCIPaddBilinMcCormick(), SCIPaddToNlpiProblemQuadratic(), SCIPanalyzeDeductionsProbing(), SCIPapplyHeurDualval(), SCIPapplyHeurSubNlp(), SCIPapplyProximity(), SCIPapplyRens(), SCIPapplyUndercover(), SCIPapplyZeroobj(), SCIPboolarrayExtend(), SCIPboolarraySetVal(), SCIPbranchGetBranchingPoint(), SCIPcalcCliquePartition(), SCIPcalcIntegralScalar(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPcolSetStrongbranchData(), SCIPconflictAddRelaxedBound(), SCIPconshdlrPropagate(), SCIPconshdlrSeparateLP(), SCIPdivesetUpdateStats(), SCIPevalExprtreeLocalBounds(), SCIPexprgraphGetSeparableTrees(), SCIPgetFeasibilityQuadratic(), SCIPgetGap(), SCIPgetTransGap(), SCIPinferVarLbCons(), SCIPinferVarLbProp(), SCIPintarrayExtend(), SCIPintarraySetVal(), SCIPintervalIntersect(), SCIPintervalIsSubsetEQ(), SCIPintervalMin(), SCIPintervalMulInf(), SCIPintervalPowerScalarInverse(), SCIPintervalQuadBivar(), SCIPintervalSolveBivariateQuadExpressionAllScalar(), SCIPintervalUnify(), SCIPlpGetRootObjval(), SCIPlpGetSol(), SCIPlpGetUnboundedSol(), SCIPlpiGetSolverName(), SCIPlpiSetIntpar(), SCIPlpShrinkCols(), SCIPlpShrinkRows(), SCIPlpSolveAndEval(), SCIPnlpiOracleGetJacobianSparsity(), SCIPnlrowCreate(), SCIPnlrowGetNLPFeasibility(), SCIPnlrowGetPseudoFeasibility(), SCIPnlrowGetSolActivity(), SCIPnlrowGetSolFeasibility(), SCIPnodeAddBoundinfer(), SCIPnodeCutoff(), SCIPnodeFocus(), SCIPnodePropagateAgain(), SCIPparamSetReal(), SCIPperformGenericDivingAlgorithm(), SCIPprimalUpdateObjlimit(), SCIPprimalUpdateObjoffset(), SCIPprobUpdateDualbound(), SCIPpropagateProbing(), SCIPptrarrayExtend(), SCIPptrarraySetVal(), SCIPrealarrayExtend(), SCIPrealarraySetVal(), SCIPrealToRational(), SCIPresolveSolHeurSubNlp(), SCIProwCalcIntegralScalar(), SCIProwCalcProbability(), SCIProwGetLPActivity(), SCIProwGetLPFeasibility(), SCIProwGetNLPFeasibility(), SCIProwGetObjParallelism(), SCIProwGetPseudoActivity(), SCIProwGetPseudoFeasibility(), SCIProwGetRelaxFeasibility(), SCIProwGetSolActivity(), SCIProwGetSolFeasibility(), SCIPselectVarPseudoStrongBranching(), SCIPselectVarStrongBranching(), SCIPsetGetHugeValue(), SCIPsetLpfeastol(), SCIPsolve(), SCIPsolveCIP(), SCIPstoreSolutionGap(), SCIPtightenVarLb(), SCIPtightenVarLbGlobal(), SCIPtreeBranchVar(), SCIPtreeBranchVarNary(), SCIPtreeCalcChildEstimate(), SCIPtreeGetLowerbound(), SCIPvarChgLbGlobal(), SCIPvarChgLbLocal(), SCIPvarGetAvgSol(), SCIPvarGetMultaggrUbGlobal(), SCIPvarGetMultaggrUbLocal(), SCIPvarIsBinary(), SCIPvarIsPscostRelerrorReliable(), SCIPvarRemoveCliquesImplicsVbs(), SCIPvboundsAdd(), searchEcAggrWithCliques(), selectShifting(), selectVarMultAggrBranching(), separateCons(), separateCuts(), separateGLS(), separateHeur(), separatePoint(), separateSequLiftedMinimalCoverInequality(), sepastoreIsBdchgApplicable(), sequentialUpAndDownLifting(), sequentialUpAndDownLiftingGUB(), solveDerivativeEquation(), solveNode(), solveSubMIP(), solveSubNLP(), solveSubproblem(), solveSubscip(), sortVariables(), tarjan(), tightenCoefs(), tightenLbTTEF(), tightenUbTTEF(), tightenVarsBoundsSOS1(), transformValue(), turnoffNodeSelector(), updateEstimate(), varAddTransitiveBinaryClosureImplic(), varAddTransitiveImplic(), varProcessChgLbLocal(), and varUpdateAggregationBounds().

#define LONGINT_FORMAT   "lld"

Definition at line 70 of file memory.c.

Referenced by BMScheckEmptyBlockMemory_call(), and BMSdisplayBlockMemory_call().

#define MAXMEMSIZE   SIZE_MAX / 2

Definition at line 78 of file memory.c.

Referenced by BMSallocBlockMemory_call(), BMSallocBlockMemoryArray_call(), BMSallocBufferMemory_call(), BMSallocBufferMemoryArray_call(), BMSallocClearMemory_call(), BMSallocMemory_call(), BMSallocMemoryArray_call(), BMSreallocBlockMemory_call(), BMSreallocBlockMemoryArray_call(), BMSreallocBufferMemory_call(), BMSreallocBufferMemoryArray_call(), BMSreallocMemory_call(), BMSreallocMemoryArray_call(), and createChunk().

#define INLINE   inline

Definition at line 88 of file memory.c.

#define CHUNKLENGTH_MIN   1024

minimal size of a chunk (in bytes)

Definition at line 642 of file memory.c.

Referenced by createChunk().

#define CHUNKLENGTH_MAX   1048576

maximal size of a chunk (in bytes)

Definition at line 643 of file memory.c.

Referenced by createChunk().

#define STORESIZE_MAX   8192

maximal number of elements in one chunk

Definition at line 644 of file memory.c.

Referenced by createChunk().

#define GARBAGE_SIZE   256

size of lazy free list to start garbage collection

Definition at line 645 of file memory.c.

Referenced by freeChkmemElement().

#define ALIGNMENT   (sizeof(FREELIST))

minimal alignment of chunks

Definition at line 646 of file memory.c.

Referenced by alignSize(), BMSalignMemsize(), and BMSisAligned().

#define checkChunk

(

chunk

)

Definition at line 891 of file memory.c.

Referenced by allocChunkElement(), and freeChunkElement().

#define checkChkmem

(

chkmem

)

Definition at line 892 of file memory.c.

Referenced by allocChkmemElement(), BMSallocChunkMemory_call(), BMSfreeChunkMemory_call(), BMSfreeChunkMemoryNull_call(), createChunk(), freeChkmemElement(), and garbagecollectChkmem().

#define CHKHASH_SIZE   1013

size of chunk block hash table; should be prime

Definition at line 1657 of file memory.c.

Referenced by BMScheckEmptyBlockMemory_call(), BMSclearBlockMemory_call(), BMScreateBlockMemory_call(), BMSdisplayBlockMemory_call(), BMSgarbagecollectBlockMemory_call(), and findChkmem().

#define checkBlkmem

(

blkmem

)

Definition at line 1698 of file memory.c.

Referenced by BMSallocBlockMemory_work(), BMSfreeBlockMemory_call(), and BMSfreeBlockMemoryNull_call().

Typedef Documentation

typedef struct Freelist FREELIST

linked list of free memory elements

Definition at line 648 of file memory.c.

typedef struct Chunk CHUNK

chunk of memory elements

Definition at line 649 of file memory.c.

Function Documentation

size_t BMSgetPointerSize_call

(

const void *

ptr

)

returns the size of an allocated memory element

Parameters

ptr	pointer to allocated memory

Definition at line 269 of file memory.c.

void BMSdisplayMemory_call

(

void

)

outputs information about currently allocated memory to the screen

Definition at line 277 of file memory.c.

References printInfo.

void BMScheckEmptyMemory_call

(

void

)

displays a warning message on the screen, if allocated memory exists

Definition at line 287 of file memory.c.

References printInfo.

long long BMSgetMemoryUsed_call

(

void

)

returns total number of allocated bytes

Definition at line 297 of file memory.c.

void* BMSallocClearMemory_call	(	size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates array and initializes it with 0; returns NULL if memory allocation failed

Parameters

num	number of memory element to allocate
typesize	size of one memory element to allocate
filename	source file where the allocation is performed
line	line number in source file where the allocation is performed

Definition at line 307 of file memory.c.

References debugMessage, MAX, MAXMEMSIZE, NULL, printError, and printErrorHeader.

void* BMSallocMemory_call	(	size_t	size,
		const char *	filename,
		int	line
	)

allocates memory; returns NULL if memory allocation failed

Parameters

size	size of memory element to allocate
filename	source file where the allocation is performed
line	line number in source file where the allocation is performed

Definition at line 346 of file memory.c.

References debugMessage, MAX, MAXMEMSIZE, NULL, printError, and printErrorHeader.

Referenced by BMSduplicateMemory_call().

void* BMSallocMemoryArray_call	(	size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates array; returns NULL if memory allocation failed

Parameters

num	number of components of array to allocate
typesize	size of each component
filename	source file where the allocation is performed
line	line number in source file where the allocation is performed

Definition at line 382 of file memory.c.

References debugMessage, MAX, MAXMEMSIZE, NULL, printError, and printErrorHeader.

Referenced by BMSduplicateMemoryArray_call().

void* BMSreallocMemory_call	(	void *	ptr,
		size_t	size,
		const char *	filename,
		int	line
	)

allocates memory; returns NULL if memory allocation failed

Parameters

ptr	pointer to memory to reallocate
size	new size of memory element
filename	source file where the reallocation is performed
line	line number in source file where the reallocation is performed

Definition at line 422 of file memory.c.

References MAX, MAXMEMSIZE, NULL, printError, and printErrorHeader.

void* BMSreallocMemoryArray_call	(	void *	ptr,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

reallocates array; returns NULL if memory allocation failed

Parameters

ptr	pointer to memory to reallocate
num	number of components of array to allocate
typesize	size of each component
filename	source file where the reallocation is performed
line	line number in source file where the reallocation is performed

Definition at line 462 of file memory.c.

References MAX, MAXMEMSIZE, NULL, printError, and printErrorHeader.

void BMSclearMemory_call	(	void *	ptr,
		size_t	size
	)

clears a memory element (i.e. fills it with zeros)

Parameters

ptr	pointer to memory element
size	size of memory element

Definition at line 505 of file memory.c.

References NULL.

void BMScopyMemory_call	(	void *	ptr,
		const void *	source,
		size_t	size
	)

copies the contents of one memory element into another memory element

Parameters

ptr	pointer to target memory element
source	pointer to source memory element
size	size of memory element to copy

Definition at line 518 of file memory.c.

References NULL.

Referenced by BMSduplicateMemory_call(), and BMSduplicateMemoryArray_call().

void BMSmoveMemory_call	(	void *	ptr,
		const void *	source,
		size_t	size
	)

moves the contents of one memory element into another memory element, should be used if both elements overlap, otherwise BMScopyMemory is faster

Parameters

ptr	pointer to target memory element
source	pointer to source memory element
size	size of memory element to copy

Definition at line 535 of file memory.c.

References NULL.

void* BMSduplicateMemory_call	(	const void *	source,
		size_t	size,
		const char *	filename,
		int	line
	)

allocates memory and copies the contents of the given memory element into the new memory element

Parameters

source	pointer to source memory element
size	size of memory element to copy
filename	source file where the duplication is performed
line	line number in source file where the duplication is performed

Definition at line 550 of file memory.c.

References BMSallocMemory_call(), BMScopyMemory_call(), and NULL.

void* BMSduplicateMemoryArray_call	(	const void *	source,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates array and copies the contents of the given source array into the new array

Parameters

source	pointer to source memory element
num	number of components of array to allocate
typesize	size of each component
filename	source file where the duplication is performed
line	line number in source file where the duplication is performed

Definition at line 569 of file memory.c.

References BMSallocMemoryArray_call(), BMScopyMemory_call(), and NULL.

void BMSfreeMemory_call	(	void **	ptr,
		const char *	filename,
		int	line
	)

frees an allocated memory element and sets pointer to NULL

Parameters

ptr	pointer to pointer to memory element
filename	source file where the deallocation is performed
line	line number in source file where the deallocation is performed

Definition at line 589 of file memory.c.

References NULL, printError, and printErrorHeader.

void BMSfreeMemoryNull_call	(	void **	ptr,
		const char *	filename,
		int	line
	)

frees an allocated memory element if pointer is not NULL and sets pointer to NULL

Parameters

ptr	pointer to pointer to memory element
filename	source file where the deallocation is performed
line	line number in source file where the deallocation is performed

Definition at line 612 of file memory.c.

References NULL.

static void alignSize ( size_t *  size )

static

aligns the given byte size corresponding to the minimal alignment

Parameters

size	pointer to the size to align

Definition at line 700 of file memory.c.

References ALIGNMENT.

Referenced by BMSalignMemsize(), BMSallocBlockMemory_work(), BMScreateChunkMemory_call(), BMSfreeBlockMemory_work(), and BMSreallocBlockMemory_call().

void BMSalignMemsize

(

size_t *

size

)

aligns the given byte size corresponding to the minimal alignment for chunk and block memory

Parameters

size	pointer to the size to align

Definition at line 711 of file memory.c.

References ALIGNMENT, and alignSize().

int BMSisAligned

(

size_t

size

)

checks whether the given size meets the alignment conditions for chunk and block memory

Parameters

size	size to check for alignment

Definition at line 720 of file memory.c.

References ALIGNMENT.

Referenced by createChkmem(), createChunk(), and getHashNumber().

static int isPtrInChunk ( const CHUNK *  chunk, const void *  ptr  )

static

checks, if the given pointer belongs to the given chunk

Parameters

chunk	memory chunk
ptr	pointer

Definition at line 731 of file memory.c.

References NULL.

Referenced by freeChunkElement().

static CHUNK* findChunk ( const BMS_CHKMEM *  chkmem, const void *  ptr  )

static

given a pointer, finds the chunk this pointer points to in the chunk array of the given chunk block; binary search is used; returns NULL if the pointer does not belong to the chunk block

Parameters

chkmem	chunk block
ptr	pointer

Definition at line 748 of file memory.c.

References NULL.

Referenced by garbagecollectChkmem(), and isPtrInChkmem().

static int isPtrInChkmem ( const BMS_CHKMEM *  chkmem, const void *  ptr  )

static

checks, if a pointer belongs to a chunk of the given chunk block

Parameters

chkmem	chunk block
ptr	pointer

Definition at line 784 of file memory.c.

References findChunk(), and NULL.

Referenced by findChkmem(), and freeChkmemElement().

static int linkChunk ( BMS_CHKMEM *  chkmem, CHUNK *  chunk  )

static

links chunk to the block's chunk array, sort it by store pointer; returns TRUE if successful, FALSE otherwise

Parameters

chkmem	chunk block
chunk	memory chunk

Definition at line 900 of file memory.c.

References BMSreallocMemoryArray, debugMessage, FALSE, NULL, and TRUE.

Referenced by createChunk().

static void unlinkChunk ( CHUNK *  chunk )

static

unlinks chunk from the chunk block's chunk list

Parameters

chunk

memory chunk

Definition at line 972 of file memory.c.

References debugMessage, and NULL.

Referenced by freeChunk().

static void linkEagerChunk ( BMS_CHKMEM *  chkmem, CHUNK *  chunk  )

static

links chunk to the chunk block's eager chunk list

Parameters

chkmem	chunk block
chunk	memory chunk

Definition at line 1005 of file memory.c.

References NULL.

Referenced by freeChunkElement().

static void unlinkEagerChunk ( CHUNK *  chunk )

static

unlinks chunk from the chunk block's eager chunk list

Parameters

chunk

memory chunk

Definition at line 1026 of file memory.c.

References NULL.

Referenced by allocChunkElement(), and freeChunk().

static int createChunk ( BMS_CHKMEM *  chkmem )

static

creates a new memory chunk in the given chunk block and adds memory elements to the lazy free list; returns TRUE if successful, FALSE otherwise

Parameters

chkmem

chunk block

Definition at line 1051 of file memory.c.

References BMSallocMemorySize, BMSisAligned(), checkChkmem, CHUNKLENGTH_MAX, CHUNKLENGTH_MIN, debugMessage, FALSE, linkChunk(), MAX, MAXMEMSIZE, MIN, NULL, and STORESIZE_MAX.

Referenced by allocChkmemElement().

static void destroyChunk ( CHUNK *  chunk )

static

destroys a chunk without updating the chunk lists

Parameters

chunk

memory chunk

Definition at line 1121 of file memory.c.

References BMSfreeMemory, debugMessage, and NULL.

Referenced by clearChkmem(), and freeChunk().

static void freeChunk ( CHUNK *  chunk )

static

removes a completely unused chunk, i.e. a chunk with all elements in the eager free list

Parameters

chunk

memory chunk

Definition at line 1135 of file memory.c.

References debugMessage, destroyChunk(), NULL, unlinkChunk(), and unlinkEagerChunk().

Referenced by garbagecollectChkmem().

static void* allocChunkElement ( CHUNK *  chunk )

static

returns an element of the eager free list and removes it from the list

Parameters

chunk

memory chunk

Definition at line 1165 of file memory.c.

References checkChunk, debugMessage, NULL, and unlinkEagerChunk().

Referenced by allocChkmemElement().

static void freeChunkElement ( CHUNK *  chunk, void *  ptr  )

static

puts given pointer into the eager free list and adds the chunk to the eager list of its chunk block, if necessary

Parameters

chunk	memory chunk
ptr	pointer

Definition at line 1202 of file memory.c.

References checkChunk, debugMessage, isPtrInChunk(), linkEagerChunk(), and NULL.

Referenced by garbagecollectChkmem().

static BMS_CHKMEM* createChkmem ( int  size, int  initchunksize, int  garbagefactor  )

static

creates a new chunk block data structure

Parameters

size	element size of the chunk block
initchunksize	number of elements in the first chunk of the chunk block
garbagefactor	garbage collector is called, if at least garbagefactor * avg. chunksize elements are free (-1: disable garbage collection)

Definition at line 1231 of file memory.c.

References BMSallocMemory, BMSisAligned(), and NULL.

Referenced by BMSallocBlockMemory_work(), and BMScreateChunkMemory_call().

static void clearChkmem ( BMS_CHKMEM *  chkmem )

static

destroys all chunks of the chunk block, but keeps the chunk block header structure

Parameters

chkmem

chunk block

Definition at line 1272 of file memory.c.

References destroyChunk(), and NULL.

Referenced by BMSclearChunkMemory_call(), destroyChkmem(), and garbagecollectChkmem().

static void destroyChkmem ( BMS_CHKMEM **  chkmem )

static

deletes chunk block and frees all associated memory chunks

Parameters

chkmem

pointer to chunk block

Definition at line 1295 of file memory.c.

References BMSfreeMemory, BMSfreeMemoryArrayNull, clearChkmem(), and NULL.

Referenced by BMSclearBlockMemory_call(), BMSdestroyChunkMemory_call(), and BMSgarbagecollectBlockMemory_call().

static void* allocChkmemElement ( BMS_CHKMEM *  chkmem )

static

allocates a new memory element from the chunk block

Parameters

chkmem

chunk block

Definition at line 1314 of file memory.c.

References allocChunkElement(), checkChkmem, createChunk(), and NULL.

Referenced by BMSallocBlockMemory_work(), and BMSallocChunkMemory_call().

static void garbagecollectChkmem ( BMS_CHKMEM *  chkmem )

static

sorts the lazy free list of the chunk block into the eager free lists of the chunks, and removes completely unused chunks

Parameters

chkmem

chunk block

Definition at line 1353 of file memory.c.

References checkChkmem, clearChkmem(), debugMessage, errorMessage, findChunk(), freeChunk(), freeChunkElement(), and NULL.

Referenced by BMSgarbagecollectBlockMemory_call(), BMSgarbagecollectChunkMemory_call(), and freeChkmemElement().

static void freeChkmemElement ( BMS_CHKMEM *  chkmem, void *  ptr, const char *  filename, int  line  )

static

frees a memory element and returns it to the lazy freelist of the chunk block

Parameters

chkmem	chunk block
ptr	memory element
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1420 of file memory.c.

References checkChkmem, GARBAGE_SIZE, garbagecollectChkmem(), isPtrInChkmem(), NULL, printError, and printErrorHeader.

Referenced by BMSfreeBlockMemory_work(), BMSfreeChunkMemory_call(), and BMSfreeChunkMemoryNull_call().

BMS_CHKMEM* BMScreateChunkMemory_call	(	size_t	size,
		int	initchunksize,
		int	garbagefactor,
		const char *	filename,
		int	line
	)

creates a new chunk block data structure

Parameters

size	element size of the chunk block
initchunksize	number of elements in the first chunk of the chunk block
garbagefactor	garbage collector is called, if at least garbagefactor * avg. chunksize elements are free (-1: disable garbage collection)
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1458 of file memory.c.

References alignSize(), createChkmem(), debugMessage, NULL, printError, and printErrorHeader.

void BMSclearChunkMemory_call	(	BMS_CHKMEM *	chkmem,
		const char *	filename,
		int	line
	)

clears a chunk block data structure

Parameters

chkmem	chunk block
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1482 of file memory.c.

References clearChkmem(), debugMessage, NULL, printError, and printErrorHeader.

void BMSdestroyChunkMemory_call	(	BMS_CHKMEM **	chkmem,
		const char *	filename,
		int	line
	)

destroys and frees a chunk block data structure

Parameters

chkmem	pointer to chunk block
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1500 of file memory.c.

References debugMessage, destroyChkmem(), NULL, printError, and printErrorHeader.

void* BMSallocChunkMemory_call	(	BMS_CHKMEM *	chkmem,
		size_t	size,
		const char *	filename,
		int	line
	)

allocates a memory element of the given chunk block

Parameters

chkmem	chunk block
size	size of memory element to allocate (only needed for sanity check)
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1520 of file memory.c.

References allocChkmemElement(), checkChkmem, debugMessage, NULL, printError, and printErrorHeader.

Referenced by BMSduplicateChunkMemory_call().

void* BMSduplicateChunkMemory_call	(	BMS_CHKMEM *	chkmem,
		const void *	source,
		size_t	size,
		const char *	filename,
		int	line
	)

duplicates a given memory element by allocating a new element of the same chunk block and copying the data

Parameters

chkmem	chunk block
source	source memory element
size	size of memory element to allocate (only needed for sanity check)
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1547 of file memory.c.

References BMSallocChunkMemory_call(), BMScopyMemorySize, and NULL.

void BMSfreeChunkMemory_call	(	BMS_CHKMEM *	chkmem,
		void **	ptr,
		size_t	size,
		const char *	filename,
		int	line
	)

frees a memory element of the given chunk block and sets pointer to NULL

Parameters

chkmem	chunk block
ptr	pointer to pointer to memory element to free
size	size of memory element to allocate (only needed for sanity check)
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1569 of file memory.c.

References checkChkmem, debugMessage, freeChkmemElement(), NULL, printError, and printErrorHeader.

void BMSfreeChunkMemoryNull_call	(	BMS_CHKMEM *	chkmem,
		void **	ptr,
		size_t	size,
		const char *	filename,
		int	line
	)

frees a memory element of the given chunk block if pointer is not NULL and sets pointer to NULL

Parameters

chkmem	chunk block
ptr	pointer to pointer to memory element to free
size	size of memory element to allocate (only needed for sanity check)
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1598 of file memory.c.

References checkChkmem, debugMessage, freeChkmemElement(), and NULL.

void BMSgarbagecollectChunkMemory_call

(

BMS_CHKMEM *

chkmem

)

calls garbage collection of chunk block and frees chunks without allocated memory elements

Parameters

chkmem

chunk block

Definition at line 1622 of file memory.c.

References debugMessage, and garbagecollectChkmem().

long long BMSgetChunkMemoryUsed_call

(

const BMS_CHKMEM *

chkmem

)

returns the number of allocated bytes in the chunk block

Parameters

chkmem

chunk block

Definition at line 1632 of file memory.c.

References NULL.

static BMS_CHKMEM* findChkmem ( const BMS_BLKMEM *  blkmem, const void *  ptr  )

static

finds the chunk block, to whick the given pointer belongs to

This could be done by selecting the chunk block of the corresponding element size, but in a case of an error (free gives an incorrect element size), we want to identify and output the correct element size.

Parameters

blkmem	block memory
ptr	memory element to search

Definition at line 1708 of file memory.c.

References CHKHASH_SIZE, isPtrInChkmem(), and NULL.

Referenced by BMSgetBlockPointerSize_call().

static int getHashNumber ( int  size )

static

calculates hash number of memory size

Parameters

size	element size

Definition at line 1731 of file memory.c.

References BMSisAligned().

Referenced by BMSallocBlockMemory_work(), and BMSfreeBlockMemory_work().

BMS_BLKMEM* BMScreateBlockMemory_call	(	int	initchunksize,
		int	garbagefactor,
		const char *	filename,
		int	line
	)

creates a block memory allocation data structure

Parameters

initchunksize	number of elements in the first chunk of each chunk block
garbagefactor	garbage collector is called, if at least garbagefactor * avg. chunksize elements are free (-1: disable garbage collection)
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1742 of file memory.c.

References BMSallocMemory, CHKHASH_SIZE, NULL, printError, and printErrorHeader.

void BMSclearBlockMemory_call	(	BMS_BLKMEM *	blkmem,
		const char *	filename,
		int	line
	)

frees all chunk blocks in the block memory

Parameters

blkmem	block memory
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1772 of file memory.c.

References CHKHASH_SIZE, destroyChkmem(), NULL, printError, and printErrorHeader.

Referenced by BMSdestroyBlockMemory_call().

void BMSdestroyBlockMemory_call	(	BMS_BLKMEM **	blkmem,
		const char *	filename,
		int	line
	)

clears and deletes block memory

Parameters

blkmem	pointer to block memory
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1805 of file memory.c.

References BMSclearBlockMemory_call(), BMSfreeMemory, NULL, printError, and printErrorHeader.

static INLINE void* BMSallocBlockMemory_work ( BMS_BLKMEM *  blkmem, size_t  size, const char *  filename, int  line  )

static

work for allocating memory in the block memory pool

Parameters

blkmem	block memory
size	size of memory element to allocate
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1828 of file memory.c.

References alignSize(), allocChkmemElement(), BMSduplicateMemoryArray, checkBlkmem, createChkmem(), debugMessage, getHashNumber(), NULL, printError, and printErrorHeader.

Referenced by BMSallocBlockMemory_call(), and BMSallocBlockMemoryArray_call().

void* BMSallocBlockMemory_call	(	BMS_BLKMEM *	blkmem,
		size_t	size,
		const char *	filename,
		int	line
	)

allocates memory in the block memory pool

Parameters

blkmem	block memory
size	size of memory element to allocate
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1883 of file memory.c.

References BMSallocBlockMemory_work(), MAXMEMSIZE, NULL, printError, and printErrorHeader.

Referenced by BMSduplicateBlockMemory_call(), and BMSreallocBlockMemory_call().

void* BMSallocBlockMemoryArray_call	(	BMS_BLKMEM *	blkmem,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates array in the block memory pool

Parameters

blkmem	block memory
num	size of array to be allocated
typesize	size of each component
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1903 of file memory.c.

References BMSallocBlockMemory_work(), MAXMEMSIZE, NULL, printError, and printErrorHeader.

Referenced by BMSallocClearBlockMemoryArray_call(), BMSduplicateBlockMemoryArray_call(), and BMSreallocBlockMemoryArray_call().

void* BMSallocClearBlockMemoryArray_call	(	BMS_BLKMEM *	blkmem,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates array in the block memory pool and clears it

Parameters

blkmem	block memory
num	size of array to be allocated
typesize	size of each component
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1924 of file memory.c.

References BMSallocBlockMemoryArray_call(), BMSclearMemorySize, and NULL.

void* BMSreallocBlockMemory_call	(	BMS_BLKMEM *	blkmem,
		void *	ptr,
		size_t	oldsize,
		size_t	newsize,
		const char *	filename,
		int	line
	)

resizes memory element in the block memory pool and copies the data

Parameters

blkmem	block memory
ptr	memory element to reallocated
oldsize	old size of memory element
newsize	new size of memory element
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1942 of file memory.c.

References alignSize(), BMSallocBlockMemory_call(), BMScopyMemorySize, BMSfreeBlockMemory_call(), MAXMEMSIZE, MIN, NULL, printError, and printErrorHeader.

void* BMSreallocBlockMemoryArray_call	(	BMS_BLKMEM *	blkmem,
		void *	ptr,
		size_t	oldnum,
		size_t	newnum,
		size_t	typesize,
		const char *	filename,
		int	line
	)

resizes array in the block memory pool and copies the data

Parameters

blkmem	block memory
ptr	memory element to reallocated
oldnum	old size of array
newnum	new size of array
typesize	size of each component
filename	source file of the function call
line	line number in source file of the function call

Definition at line 1982 of file memory.c.

References BMSallocBlockMemoryArray_call(), BMScopyMemorySize, BMSfreeBlockMemory_call(), MAXMEMSIZE, MIN, NULL, printError, and printErrorHeader.

void* BMSduplicateBlockMemory_call	(	BMS_BLKMEM *	blkmem,
		const void *	source,
		size_t	size,
		const char *	filename,
		int	line
	)

duplicates memory element in the block memory pool and copies the data

Parameters

blkmem	block memory
source	memory element to duplicate
size	size of memory elements
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2021 of file memory.c.

References BMSallocBlockMemory_call(), BMScopyMemorySize, and NULL.

void* BMSduplicateBlockMemoryArray_call	(	BMS_BLKMEM *	blkmem,
		const void *	source,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

duplicates array in the block memory pool and copies the data

Parameters

blkmem	block memory
source	memory element to duplicate
num	size of array to be duplicated
typesize	size of each component
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2041 of file memory.c.

References BMSallocBlockMemoryArray_call(), BMScopyMemorySize, and NULL.

static INLINE void BMSfreeBlockMemory_work ( BMS_BLKMEM *  blkmem, void **  ptr, size_t  size, const char *  filename, int  line  )

static

common work for freeing block memory

Parameters

blkmem	block memory
ptr	pointer to pointer to memory element to free
size	size of memory element
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2063 of file memory.c.

References alignSize(), debugMessage, freeChkmemElement(), getHashNumber(), NULL, printError, and printErrorHeader.

Referenced by BMSfreeBlockMemory_call(), and BMSfreeBlockMemoryNull_call().

void BMSfreeBlockMemory_call	(	BMS_BLKMEM *	blkmem,
		void **	ptr,
		size_t	size,
		const char *	filename,
		int	line
	)

frees memory element in the block memory pool and sets pointer to NULL

Parameters

blkmem	block memory
ptr	pointer to pointer to memory element to free
size	size of memory element
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2106 of file memory.c.

References BMSfreeBlockMemory_work(), checkBlkmem, NULL, printError, and printErrorHeader.

Referenced by BMSreallocBlockMemory_call(), and BMSreallocBlockMemoryArray_call().

void BMSfreeBlockMemoryNull_call	(	BMS_BLKMEM *	blkmem,
		void **	ptr,
		size_t	size,
		const char *	filename,
		int	line
	)

frees memory element in the block memory pool if pointer is not NULL and sets pointer to NULL

Parameters

blkmem	block memory
ptr	pointer to pointer to memory element to free
size	size of memory element
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2128 of file memory.c.

References BMSfreeBlockMemory_work(), checkBlkmem, and NULL.

void BMSgarbagecollectBlockMemory_call

(

BMS_BLKMEM *

blkmem

)

calls garbage collection of block memory, frees chunks without allocated memory elements, and frees chunk blocks without any chunks

Parameters

blkmem

block memory

Definition at line 2149 of file memory.c.

References CHKHASH_SIZE, destroyChkmem(), garbagecollectChkmem(), and NULL.

long long BMSgetBlockMemoryUsed_call

(

const BMS_BLKMEM *

blkmem

)

returns the number of allocated bytes in the block memory

Parameters

blkmem

block memory

Definition at line 2180 of file memory.c.

References NULL.

size_t BMSgetBlockPointerSize_call	(	const BMS_BLKMEM *	blkmem,
		const void *	ptr
	)

returns the size of the given memory element; returns 0, if the element is not member of the block memory

Parameters

blkmem	block memory
ptr	memory element

Definition at line 2190 of file memory.c.

References findChkmem(), and NULL.

void BMSdisplayBlockMemory_call

(

const BMS_BLKMEM *

blkmem

)

outputs allocation diagnostics of block memory

Parameters

blkmem

block memory

Definition at line 2210 of file memory.c.

References CHKHASH_SIZE, LONGINT_FORMAT, NULL, and printInfo.

void BMScheckEmptyBlockMemory_call

(

const BMS_BLKMEM *

blkmem

)

outputs warning messages, if there are allocated elements in the block memory

Parameters

blkmem

block memory

Definition at line 2333 of file memory.c.

References CHKHASH_SIZE, LONGINT_FORMAT, NULL, and printInfo.

BMS_BUFMEM* BMScreateBufferMemory_call	(	double	arraygrowfac,
		int	arraygrowinit,
		unsigned int	clean,
		const char *	filename,
		int	line
	)

creates memory buffer storage

Parameters

arraygrowfac	memory growing factor for dynamically allocated arrays
arraygrowinit	initial size of dynamically allocated arrays
clean	should the memory blocks in the buffer be initialized to zero?
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2426 of file memory.c.

References BMS_BufMem::arraygrowfac, BMS_BufMem::arraygrowinit, BMSallocMemory, BMS_BufMem::clean, BMS_BufMem::data, BMS_BufMem::firstfree, BMS_BufMem::ndata, NULL, printError, printErrorHeader, BMS_BufMem::size, BMS_BufMem::totalmem, and BMS_BufMem::used.

void BMSdestroyBufferMemory_call	(	BMS_BUFMEM **	buffer,
		const char *	filename,
		int	line
	)

destroys buffer memory

Parameters

buffer	pointer to memory buffer storage
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2462 of file memory.c.

References BMSfreeMemory, BMSfreeMemoryArrayNull, NULL, printError, and printErrorHeader.

void BMSsetBufferMemoryArraygrowfac	(	BMS_BUFMEM *	buffer,
		double	arraygrowfac
	)

set arraygrowfac

Parameters

buffer	pointer to memory buffer storage
arraygrowfac	memory growing factor for dynamically allocated arrays

Definition at line 2490 of file memory.c.

References BMS_BufMem::arraygrowfac, and NULL.

void BMSsetBufferMemoryArraygrowinit	(	BMS_BUFMEM *	buffer,
		int	arraygrowinit
	)

set arraygrowinit

Parameters

buffer	pointer to memory buffer storage
arraygrowinit	initial size of dynamically allocated arrays

Definition at line 2502 of file memory.c.

References BMS_BufMem::arraygrowinit, and NULL.

static size_t calcMemoryGrowSize ( size_t  initsize, SCIP_Real  growfac, size_t  num  )

static

calculate memory size for dynamically allocated arrays

This function is a copy of the function in set.c in order to be able to use memory.? separately.

Parameters

initsize	initial size of array
growfac	growing factor of array
num	minimum number of entries to store

Definition at line 2519 of file memory.c.

References MAX.

Referenced by BMSallocBufferMemory_work(), and BMSreallocBufferMemory_work().

static INLINE void* BMSallocBufferMemory_work ( BMS_BUFMEM *  buffer, size_t  size, const char *  filename, int  line  )

static

work for allocating the next unused buffer

Parameters

buffer	memory buffer storage
size	minimal required size of the buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2561 of file memory.c.

References BMS_BufMem::arraygrowfac, BMS_BufMem::arraygrowinit, BMSallocClearMemorySize, BMSallocMemorySize, BMSclearMemorySize, BMSreallocMemoryArray, BMSreallocMemorySize, calcMemoryGrowSize(), BMS_BufMem::clean, BMS_BufMem::data, debugMessage, FALSE, BMS_BufMem::firstfree, BMS_BufMem::ndata, NULL, printError, printErrorHeader, BMS_BufMem::size, BMS_BufMem::totalmem, TRUE, and BMS_BufMem::used.

Referenced by BMSallocBufferMemory_call(), and BMSallocBufferMemoryArray_call().

void* BMSallocBufferMemory_call	(	BMS_BUFMEM *	buffer,
		size_t	size,
		const char *	filename,
		int	line
	)

allocates the next unused buffer

Parameters

buffer	memory buffer storage
size	minimal required size of the buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2691 of file memory.c.

References BMSallocBufferMemory_work(), MAXMEMSIZE, NULL, printError, and printErrorHeader.

Referenced by BMSduplicateBufferMemory_call(), and BMSreallocBufferMemory_work().

void* BMSallocBufferMemoryArray_call	(	BMS_BUFMEM *	buffer,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates the next unused buffer array

Parameters

buffer	memory buffer storage
num	size of array to be allocated
typesize	size of components
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2711 of file memory.c.

References BMSallocBufferMemory_work(), MAXMEMSIZE, NULL, printError, and printErrorHeader.

Referenced by BMSallocClearBufferMemoryArray_call(), and BMSduplicateBufferMemoryArray_call().

void* BMSallocClearBufferMemoryArray_call	(	BMS_BUFMEM *	buffer,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates the next unused buffer and clears it

Parameters

buffer	memory buffer storage
num	size of array to be allocated
typesize	size of components
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2732 of file memory.c.

References BMSallocBufferMemoryArray_call(), BMSclearMemorySize, and NULL.

static INLINE void* BMSreallocBufferMemory_work ( BMS_BUFMEM *  buffer, void *  ptr, size_t  size, const char *  filename, int  line  )

static

work for reallocating the buffer to at least the given size

Parameters

buffer	memory buffer storage
ptr	pointer to the allocated memory buffer
size	minimal required size of the buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2751 of file memory.c.

References BMS_BufMem::arraygrowfac, BMS_BufMem::arraygrowinit, BMSallocBufferMemory_call(), BMSreallocMemorySize, calcMemoryGrowSize(), BMS_BufMem::clean, BMS_BufMem::data, debugMessage, BMS_BufMem::firstfree, BMS_BufMem::ndata, NULL, printError, printErrorHeader, BMS_BufMem::size, BMS_BufMem::totalmem, and BMS_BufMem::used.

Referenced by BMSreallocBufferMemory_call(), and BMSreallocBufferMemoryArray_call().

void* BMSreallocBufferMemory_call	(	BMS_BUFMEM *	buffer,
		void *	ptr,
		size_t	size,
		const char *	filename,
		int	line
	)

reallocates the buffer to at least the given size

Parameters

buffer	memory buffer storage
ptr	pointer to the allocated memory buffer
size	minimal required size of the buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2823 of file memory.c.

References BMSreallocBufferMemory_work(), MAXMEMSIZE, NULL, printError, and printErrorHeader.

void* BMSreallocBufferMemoryArray_call	(	BMS_BUFMEM *	buffer,
		void *	ptr,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

reallocates an array in the buffer to at least the given size

Parameters

buffer	memory buffer storage
ptr	pointer to the allocated memory buffer
num	size of array to be allocated
typesize	size of components
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2844 of file memory.c.

References BMSreallocBufferMemory_work(), MAXMEMSIZE, NULL, printError, and printErrorHeader.

void* BMSduplicateBufferMemory_call	(	BMS_BUFMEM *	buffer,
		const void *	source,
		size_t	size,
		const char *	filename,
		int	line
	)

allocates the next unused buffer and copies the given memory into the buffer

Parameters

buffer	memory buffer storage
source	memory block to copy into the buffer
size	minimal required size of the buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2866 of file memory.c.

References BMSallocBufferMemory_call(), BMScopyMemorySize, and NULL.

void* BMSduplicateBufferMemoryArray_call	(	BMS_BUFMEM *	buffer,
		const void *	source,
		size_t	num,
		size_t	typesize,
		const char *	filename,
		int	line
	)

allocates an array in the next unused buffer and copies the given memory into the buffer

Parameters

buffer	memory buffer storage
source	memory block to copy into the buffer
num	size of array to be allocated
typesize	size of components
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2889 of file memory.c.

References BMSallocBufferMemoryArray_call(), BMScopyMemorySize, and NULL.

static INLINE void BMSfreeBufferMemory_work ( BMS_BUFMEM *  buffer, void **  ptr, const char *  filename, int  line  )

static

work for freeing a buffer

Parameters

buffer	memory buffer storage
ptr	pointer to pointer to the allocated memory buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2914 of file memory.c.

References BMS_BufMem::clean, BMS_BufMem::data, debugMessage, FALSE, BMS_BufMem::firstfree, BMS_BufMem::ndata, NULL, printError, printErrorHeader, BMS_BufMem::size, and BMS_BufMem::used.

Referenced by BMSfreeBufferMemory_call(), and BMSfreeBufferMemoryNull_call().

void BMSfreeBufferMemory_call	(	BMS_BUFMEM *	buffer,
		void **	ptr,
		const char *	filename,
		int	line
	)

frees a buffer and sets pointer to NULL

Parameters

buffer	memory buffer storage
ptr	pointer to pointer to the allocated memory buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 2979 of file memory.c.

References BMSfreeBufferMemory_work(), BMSfreeMemory, NULL, printError, and printErrorHeader.

void BMSfreeBufferMemoryNull_call	(	BMS_BUFMEM *	buffer,
		void **	ptr,
		const char *	filename,
		int	line
	)

frees a buffer if pointer is not NULL and sets pointer to NULL

Parameters

buffer	memory buffer storage
ptr	pointer to pointer to the allocated memory buffer
filename	source file of the function call
line	line number in source file of the function call

Definition at line 3002 of file memory.c.

References BMSfreeBufferMemory_work(), BMSfreeMemory, and NULL.

size_t BMSgetNUsedBufferMemory

(

BMS_BUFMEM *

buffer

)

gets number of used buffers

Parameters

buffer

memory buffer storage

Definition at line 3022 of file memory.c.

References BMS_BufMem::firstfree, and NULL.

Referenced by exitPresolve(), initPresolve(), presolve(), presolveRound(), priceAndCutLoop(), propAndSolve(), SCIPsolveCIP(), and solveNode().

long long BMSgetBufferMemoryUsed

(

const BMS_BUFMEM *

buffer

)

returns the number of allocated bytes in the buffer memory

Parameters

buffer

buffer memory

Definition at line 3032 of file memory.c.

References BMS_BufMem::ndata, NULL, BMS_BufMem::size, and BMS_BufMem::totalmem.

Referenced by SCIPmemGetUsed().

void BMSprintBufferMemory

(

BMS_BUFMEM *

buffer

)

outputs statistics about currently allocated buffers to the screen

Parameters

buffer

memory buffer storage

Definition at line 3050 of file memory.c.

References BMS_BufMem::data, BMS_BufMem::ndata, NULL, BMS_BufMem::size, and BMS_BufMem::used.

Referenced by SCIPprintMemoryDiagnostic().