Open CASCADE Technology  6.9.0
Public Member Functions | Protected Attributes

NCollection_AlignedAllocator Class Reference

NCollection allocator with managed memory alignment capabilities. More...

#include <NCollection_AlignedAllocator.hxx>

Inheritance diagram for NCollection_AlignedAllocator:
Inheritance graph
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Public Member Functions

 NCollection_AlignedAllocator (const size_t theAlignment)
 Constructor. The alignment should be specified explicitly: 16 bytes for SSE instructions 32 bytes for AVX instructions. More...
 
virtual void * Allocate (const size_t theSize)
 Allocate memory with given size. Returns NULL on failure. More...
 
virtual void Free (void *thePtr)
 Free a previously allocated memory. More...
 
- Public Member Functions inherited from MMgt_TShared
virtual void Delete () const
 Memory deallocator for transient classes. More...
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
 
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
 
virtual const
Handle_Standard_Type & 
DynamicType () const
 Returns a type information object about this object. More...
 
Standard_Boolean IsInstance (const Handle_Standard_Type &theType) const
 Returns a true value if this is an instance of Type. More...
 
Standard_Boolean IsInstance (const Standard_CString theTypeName) const
 Returns a true value if this is an instance of TypeName. More...
 
Standard_Boolean IsKind (const Handle_Standard_Type &theType) const
 Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
Standard_Boolean IsKind (const Standard_CString theTypeName) const
 Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
virtual Handle_Standard_Transient This () const
 Returns a Handle which references this object. Must never be called to objects created in stack. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 

Protected Attributes

size_t myAlignment
 alignment in bytes More...
 

Additional Inherited Members

- Static Public Member Functions inherited from NCollection_BaseAllocator
static const Handle
< NCollection_BaseAllocator > & 
CommonBaseAllocator (void)
 CommonBaseAllocator This method is designed to have the only one BaseAllocator (to avoid useless copying of collections). However one can use operator new to create more BaseAllocators, but it is injurious. More...
 
static void StandardCallBack (const Standard_Boolean theIsAlloc, const Standard_Address theStorage, const Standard_Size theRoundSize, const Standard_Size theSize)
 Callback function to register alloc/free calls. More...
 
static void PrintMemUsageStatistics ()
 Prints memory usage statistics cumulated by StandardCallBack. More...
 
- Protected Member Functions inherited from NCollection_BaseAllocator
 NCollection_BaseAllocator (void)
 Constructor - prohibited. More...
 

Detailed Description

NCollection allocator with managed memory alignment capabilities.

Constructor & Destructor Documentation

NCollection_AlignedAllocator::NCollection_AlignedAllocator ( const size_t  theAlignment)

Constructor. The alignment should be specified explicitly: 16 bytes for SSE instructions 32 bytes for AVX instructions.

Member Function Documentation

virtual void* NCollection_AlignedAllocator::Allocate ( const size_t  theSize)
virtual

Allocate memory with given size. Returns NULL on failure.

Reimplemented from NCollection_BaseAllocator.

virtual void NCollection_AlignedAllocator::Free ( void *  thePtr)
virtual

Free a previously allocated memory.

Reimplemented from NCollection_BaseAllocator.

Field Documentation

size_t NCollection_AlignedAllocator::myAlignment
protected

alignment in bytes


The documentation for this class was generated from the following file: