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- Allocator_(C++) abstract "In C++ computer programming, allocators are an important component of the C++ Standard Library. The standard library provides several data structures, such as list and set, commonly referred to as containers. A common trait among these containers is their ability to change size during the execution of the program. To achieve this, some form of dynamic memory allocation is usually required. Allocators handle all the requests for allocation and deallocation of memory for a given container. The C++ Standard Library provides general-purpose allocators that are used by default, however, custom allocators may also be supplied by the programmer.Allocators were invented by Alexander Stepanov as part of the Standard Template Library (STL). They were originally intended as a means to make the library more flexible and independent of the underlying memory model, allowing programmers to utilize custom pointer and reference types with the library. However, in the process of adopting STL into the C++ standard, the C++ standardization committee realized that a complete abstraction of the memory model would incur unacceptable performance penalties. To remedy this, the requirements of allocators were made more restrictive. As a result, the level of customization provided by allocators is more limited than was originally envisioned by Stepanov.Nevertheless, there are many scenarios where customized allocators are desirable. Some of the most common reasons for writing custom allocators include improving performance of allocations by using memory pools, and encapsulating access to different types of memory, like shared memory or garbage-collected memory. In particular, programs with many frequent allocations of small amounts of memory may benefit greatly from specialized allocators, both in terms of running time and memory footprint.".
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- Allocator_(C++) wikiPageRevisionID "678167550".
- Allocator_(C++) wikiPageWikiLink Abstraction_(computer_science).
- Allocator_(C++) wikiPageWikiLink Alexander_Stepanov.
- Allocator_(C++) wikiPageWikiLink Andrei_Alexandrescu.
- Allocator_(C++) wikiPageWikiLink Andrew_Koenig_(programmer).
- Allocator_(C++) wikiPageWikiLink Associative_containers.
- Allocator_(C++) wikiPageWikiLink Bjarne_Stroustrup.
- Allocator_(C++) wikiPageWikiLink Boost_(C++_libraries).
- Allocator_(C++) wikiPageWikiLink Boost_C++_Libraries.
- Allocator_(C++) wikiPageWikiLink Buffer_overflow.
- Allocator_(C++) wikiPageWikiLink Buffer_overrun.
- Allocator_(C++) wikiPageWikiLink C++.
- Allocator_(C++) wikiPageWikiLink C++11.
- Allocator_(C++) wikiPageWikiLink C++_Standard_Library.
- Allocator_(C++) wikiPageWikiLink C++_classes.
- Allocator_(C++) wikiPageWikiLink C++_standard.
- Allocator_(C++) wikiPageWikiLink C_(programming_language).
- Allocator_(C++) wikiPageWikiLink C_dynamic_memory_allocation.
- Allocator_(C++) wikiPageWikiLink C_memory_model.
- Allocator_(C++) wikiPageWikiLink Category:Articles_with_example_C++_code.
- Allocator_(C++) wikiPageWikiLink Category:C++_Standard_Library.
- Allocator_(C++) wikiPageWikiLink Category:Generic_programming.
- Allocator_(C++) wikiPageWikiLink Class_(computer_programming).
- Allocator_(C++) wikiPageWikiLink Class_(computer_science).
- Allocator_(C++) wikiPageWikiLink Compiler.
- Allocator_(C++) wikiPageWikiLink Computer_performance.
- Allocator_(C++) wikiPageWikiLink Computer_program.
- Allocator_(C++) wikiPageWikiLink Computer_programming.
- Allocator_(C++) wikiPageWikiLink Constructor_(object-oriented_programming).
- Allocator_(C++) wikiPageWikiLink Container_(abstract_data_type).
- Allocator_(C++) wikiPageWikiLink Container_(data_structure).
- Allocator_(C++) wikiPageWikiLink Copy_constructor.
- Allocator_(C++) wikiPageWikiLink Data_structure.
- Allocator_(C++) wikiPageWikiLink Data_structures.
- Allocator_(C++) wikiPageWikiLink Debugging.
- Allocator_(C++) wikiPageWikiLink Default_argument.
- Allocator_(C++) wikiPageWikiLink Deque.
- Allocator_(C++) wikiPageWikiLink Destructor_(computer_programming).
- Allocator_(C++) wikiPageWikiLink Destructor_(computer_science).
- Allocator_(C++) wikiPageWikiLink Double-ended_queue.
- Allocator_(C++) wikiPageWikiLink Dynamic_memory_allocation.
- Allocator_(C++) wikiPageWikiLink Fragmentation_(computer).
- Allocator_(C++) wikiPageWikiLink Fragmentation_(computing).
- Allocator_(C++) wikiPageWikiLink Garbage_collection_(computer_science).
- Allocator_(C++) wikiPageWikiLink I_Have_a_Dream.
- Allocator_(C++) wikiPageWikiLink Integer_(computer_science).
- Allocator_(C++) wikiPageWikiLink Intel_Memory_Model.
- Allocator_(C++) wikiPageWikiLink Library_(computing).
- Allocator_(C++) wikiPageWikiLink List_(abstract_data_type).
- Allocator_(C++) wikiPageWikiLink List_(computing).
- Allocator_(C++) wikiPageWikiLink Locality_of_reference.
- Allocator_(C++) wikiPageWikiLink Malloc.
- Allocator_(C++) wikiPageWikiLink Manual_memory_management.
- Allocator_(C++) wikiPageWikiLink Map_(C++).
- Allocator_(C++) wikiPageWikiLink Memory_footprint.
- Allocator_(C++) wikiPageWikiLink Memory_management.
- Allocator_(C++) wikiPageWikiLink Memory_pool.
- Allocator_(C++) wikiPageWikiLink Modern_C++_Design.
- Allocator_(C++) wikiPageWikiLink Object_(computer_science).
- Allocator_(C++) wikiPageWikiLink Object_lifetime.
- Allocator_(C++) wikiPageWikiLink Optimization_(computer_science).
- Allocator_(C++) wikiPageWikiLink Parameter_(computer_programming).
- Allocator_(C++) wikiPageWikiLink Parameter_(computer_science).
- Allocator_(C++) wikiPageWikiLink Persistence_(computer_science).
- Allocator_(C++) wikiPageWikiLink Placement_new.
- Allocator_(C++) wikiPageWikiLink Placement_syntax.
- Allocator_(C++) wikiPageWikiLink Pointer_(computer_programming).
- Allocator_(C++) wikiPageWikiLink Program_optimization.
- Allocator_(C++) wikiPageWikiLink Programmer.
- Allocator_(C++) wikiPageWikiLink Reference_(C++).
- Allocator_(C++) wikiPageWikiLink Reference_(computer_science).
- Allocator_(C++) wikiPageWikiLink Run_time_(program_lifecycle_phase).
- Allocator_(C++) wikiPageWikiLink Scott_Meyers.
- Allocator_(C++) wikiPageWikiLink Sequence_container_(C++).
- Allocator_(C++) wikiPageWikiLink Set_(abstract_data_type).
- Allocator_(C++) wikiPageWikiLink Set_(computer_science).
- Allocator_(C++) wikiPageWikiLink Shared_memory_(interprocess_communication).
- Allocator_(C++) wikiPageWikiLink Software_library.
- Allocator_(C++) wikiPageWikiLink Software_portability.
- Allocator_(C++) wikiPageWikiLink Standard_Template_Library.
- Allocator_(C++) wikiPageWikiLink Template_(C++).
- Allocator_(C++) wikiPageWikiLink Template_(programming).
- Allocator_(C++) wikiPageWikiLink The_C++_Programming_Language.
- Allocator_(C++) wikiPageWikiLink Typedef.
- Allocator_(C++) wikiPageWikiLink Vector_(C++).
- Allocator_(C++) wikiPageWikiLink Weasel_word.
- Allocator_(C++) wikiPageWikiLinkText "Allocator (C++)".
- Allocator_(C++) wikiPageWikiLinkText "Allocator".
- Allocator_(C++) wikiPageWikiLinkText "Allocators".
- Allocator_(C++) wikiPageWikiLinkText "C++ allocators".
- Allocator_(C++) wikiPageWikiLinkText "allocator".
- Allocator_(C++) wikiPageWikiLinkText "allocators".