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Computer memory management methodology
Memory management (also dynamic memory management, dynamic storage allocation, or dynamic memory allocation) is a form of resource management applied
Memory_management
Hardware that translates virtual addresses to physical addresses
A memory management unit (MMU), sometimes called paged memory management unit (PMMU), is a computer hardware unit that examines all references to memory
Memory_management_unit
Function of computer operating systems
operating systems, memory management is the function responsible for managing the computer's primary memory. The memory management function keeps track
Memory management (operating systems)
Memory_management_(operating_systems)
Configuration in computer memory
memory management unit (IOMMU) is a memory management unit (MMU) connecting a direct-memory-access–capable (DMA-capable) I/O bus to the main memory.
Input–output memory management unit
Input–output_memory_management_unit
General-purpose programming language
years were marked by substantial changes to the Rust type system. Memory management through the ownership system was gradually consolidated and expanded;
Rust_(programming_language)
Memory allocation scheme
In computer science, region-based memory management is a type of memory management in which each allocated object is assigned to a region. A region, also
Region-based memory management
Region-based_memory_management
General-purpose programming language
buffer overflow, serialization, dynamic memory tracking, and automatic garbage collection. Memory management checking tools like Purify or Valgrind and
C_(programming_language)
Computer memory management methodology
In computer science, manual memory management refers to the usage of manual instructions by the programmer to identify and deallocate unused objects,
Manual_memory_management
Computer memory management technique
In computing, virtual memory, or virtual storage, is enabled by a memory management technique that provides an "idealized abstraction of the storage resources
Virtual_memory
Component that stores information
the computer memory can be transferred to storage; a common way of doing this is through a memory management technique called virtual memory. Modern computer
Computer_memory
Core of a computer operating system
capabilities is to delegate to the memory management unit (MMU) the responsibility of checking access-rights for every memory access, a mechanism called capability-based
Kernel_(operating_system)
General-purpose programming language
as fast. V supports four memory management options: A garbage collector. This is the default. Manual memory management via disabling the garbage collector
V_(programming_language)
Computer memory management scheme
In computer operating systems, memory paging is a memory management scheme that introduces a level of indirection between physical and logical addresses
Memory_paging
State of being protected from memory access bugs
(as in Rust) to prevent such errors. Memory errors were first considered in the context of resource management and time-sharing systems, in an effort
Memory_safety
Open-source software for large language model inference
Berkeley's Sky Computing Lab, the project is centered on PagedAttention, a memory-management method for transformer key–value caches, and supports features such
VLLM
Software that manages computer hardware resources
to memory. Cooperative memory management, used by many early operating systems, assumes that all programs make voluntary use of the kernel's memory manager
Operating_system
Kernel-level anti-cheat developed by Riot Games
enabled the input–output memory management unit (IOMMU), a memory management unit which protects memory from malicious Direct Memory Access (DMA) cards, for
Riot_Vanguard
Attention algorithm for efficient large language model serving
introduced in 2023 by Woosuk Kwon and colleagues in the paper Efficient Memory Management for Large Language Model Serving with PagedAttention, alongside the
PagedAttention
Form of automatic memory management
automatic memory management. The garbage collector attempts to reclaim memory that was allocated by the program, but is no longer referenced; such memory is
Garbage collection (computer science)
Garbage_collection_(computer_science)
Object-oriented programming language
automatic memory management model is that programmers can be spared the burden of having to perform manual memory management. In some languages, memory for
Java_(programming_language)
Software platform developed by Microsoft
application virtual machine that provides services such as security, memory management, and exception handling. As such, computer code written using .NET
.NET_Framework
System of bank switching in DOS memory management
In DOS memory management, expanded memory is a system of bank switching that provided additional memory to DOS programs beyond the limit of conventional
Expanded_memory
Computing system
exchange data by sharing pointers. This is to be supported by custom memory management units. To render interoperability possible and also to ease various
Heterogeneous System Architecture
Heterogeneous_System_Architecture
List of programming languages types and the languages that meet its description
Programming Language. Retrieved 2022-03-18. "Nim's Memory Management". Retrieved 2022-03-18. "About Memory Management". Apple Developer. Retrieved 2025-03-12. Adobe
List of programming languages by type
List_of_programming_languages_by_type
Computer hardware component for security
of memory management unit (MMU) providing only memory protection support. It is usually implemented in low power processors that require only memory protection
Memory_protection_unit
Techniques employed to give access to more than 640 kibibytes
In IBM PC compatible computing, DOS memory management refers to software and techniques employed to give applications access to more than 640 kibibytes
DOS_memory_management
Historically, the classic Mac OS used a form of memory management that has fallen out of favor in modern systems. Criticism of this approach was one of
Classic Mac OS memory management
Classic_Mac_OS_memory_management
Techniques used by computers to manage components with limited availability
access memory, disk storage, cache memory, internal buses, or external network devices. Memory can be treated as a resource, but memory management is usually
Resource management (computing)
Resource_management_(computing)
First 640 KB of RAM under DOS
In DOS memory management, conventional memory, also called base memory, is the first 640 kilobytes of the memory on IBM PC or compatible systems. It is
Conventional_memory
Video game console technology
Multi-memory controllers or memory management controllers (MMC) are different kinds of special chips designed by various video game developers for use
Memory_management_controller
Section of computer memory in PC compatibles
In DOS memory management, extended memory refers to memory above the first megabyte (220 bytes) of address space in an IBM PC or compatible with an 80286
Extended_memory
RAM area of an IBM AT or compatible computer
In DOS memory management, the high memory area (HMA) is the RAM area consisting of the first 65520 bytes above the one megabyte in an IBM AT or compatible
High_memory_area
Storage of digital data readable by computers
memory management unit (MMU) is a small device between CPU and RAM recalculating the actual memory address. Memory management units allow for memory management;
Computer_data_storage
Fixed-length contiguous block of virtual memory
table. It is the smallest unit of data for memory management in an operating system that uses virtual memory. Similarly, a page frame is the smallest fixed-length
Page_(computer_memory)
Memory occupied by a program and its data
portion of main memory occupied by a process Demand paging – Method of virtual memory management Virtual memory – Computer memory management technique Working
Resident_set_size
Central processing unit by Sony Computer Entertainment and Toshiba
quantization for 2D graphics data. The memory management unit, RDRAM controller and DMA controller handle memory access within the system. Communications
Emotion_Engine
When a computer program fails to release unnecessary memory
Computers without sophisticated memory management, such as embedded systems, may also completely fail from a persistent memory leak. Much more serious leaks
Memory_leak
Family of operating systems for IBM PC compatibles
(an application program interface), like character I/O, file management, memory management, program loading and termination. DOS provides the ability for
DOS
Computer memory addressing model
available memory locations without having to resort to any sort of bank switching, memory segmentation or paging schemes. Memory management and address
Flat_memory_model
Multi-paradigm system programming language
typed and supports both automatic (garbage collected) and manual memory management. D programs are structured as modules that can be compiled separately
D_(programming_language)
Central computer component that executes instructions
server computers) have a memory management unit (MMU), translating logical addresses into physical RAM addresses, providing memory protection and paging
Central_processing_unit
General-purpose programming language
information about those types using reflection. Zig requires manual memory management. Features for low-level programming include packed structs, arbitrary-width
Zig_(programming_language)
Type of software bug
programming languages like C and C++ have powerful features of explicit memory management and pointer arithmetic. These features are designed for developing
Memory_corruption
Formally verified capability-based microkernel
SIGOPS Hall of Fame. The kernel is extremely minimal, handling only memory management, process isolation, and scheduling. Its Inter-Process Communication
SeL4
Dynamic memory management in the C programming language
C dynamic memory allocation refers to performing manual memory management for dynamic memory allocation in the C programming language via a group of functions
C_dynamic_memory_allocation
MIPS microprocessor
112-cycle latency. Division and square-root uses the SRT algorithm. The memory management unit (MMU) uses a 48-entry translation lookaside buffer to translate
R4000
Device controlling access and addressing of memory
A memory controller, also known as memory chip controller (MCC) or a memory controller unit (MCU), is a digital circuit that manages the flow of data
Memory_controller
Abstract data type
by Wilhelm Kämmerer [de] with his automatisches Gedächtnis ("automatic memory") in 1958. Stacks are often described using the analogy of a spring-loaded
Stack_(abstract_data_type)
Lifetime of a computer software object
special syntax like new typename(). In C++, that provides manual memory management, an object is destroyed via the delete keyword. In C# and Java, with
Object_lifetime
Additional storage that enables faster access to main storage
L2, split L1 I-cache and D-cache). A memory management unit (MMU) that fetches page table entries from main memory has a specialized cache, used for recording
Cache_(computing)
Operating system microkernel
non-microkernel version of Mach as a major component. The Mach virtual memory management system was also adopted in 4.4BSD by the BSD developers at CSRG, and
Mach_(kernel)
allocate memory dynamically from structures known as heaps. Calls are made to heap-management routines to allocate and free memory. Heap management involves
Chunking_(computing)
Processor extension for the x86-64 line of processors
page table walk occurs when either the processor's memory management unit or the memory management code in the operating system navigates the tree of
Intel_5-level_paging
Dynamic memory allocation method
Memory pools, also called fixed-size blocks allocation, is the use of pools for memory management that allows dynamic memory allocation. Dynamic memory
Memory_pool
Extent to which a programming language discourages type errors
invalid, because the division operator is not defined for a string divisor. Memory safety Type systems can prevent wild pointers that could otherwise arise
Type_safety
OS that runs entirely in kernel-mode
implement all operating system services such as process management, concurrency, and memory management. Device drivers can be added to the kernel as loadable
Monolithic_kernel
Physical memory region on IBM PC compatibles
In DOS memory management, the upper memory area (UMA) is the memory between the addresses of 640 KB and 1024 KB (0xA0000–0xFFFFF) in an IBM PC or compatible
Upper_memory_area
Standard library for the C programming language
manipulation, mathematical computation, input/output processing, memory management, and input/output. The application programming interface (API) of
C_standard_library
Basic memory management system calls used in Unix
brk and sbrk are basic memory management system calls used in Unix and Unix-like operating systems to control the amount of memory allocated to the heap
Sbrk
Programming language
such as anonymous functions, signals, properties, generics, assisted memory management, exception handling, type inference, and foreach statements. Its developers
Vala_(programming_language)
RISC instruction set architecture by AIM alliance
multiply–add A paged memory management architecture that is used extensively in server and PC systems. Addition of a new memory management architecture called
PowerPC
Computer algorithm
The buddy memory allocation technique is a memory allocation algorithm that divides memory into partitions to try to satisfy a memory request as suitably
Buddy_memory_allocation
Computer memory that can be accessed by multiple processes
as CPUs and GPUs, with shared memory), the memory management unit (MMU) of the CPU and the input–output memory management unit (IOMMU) of the GPU have
Shared_memory
1988 Microsoft operating system version
extended memory. Changes to the user interface did not occur in this version, and rather, its performance was increased and enhanced memory management was
Windows_2.1
32-bit microprocessor
oh-three-oh or oh-thirty). The 68030 is essentially a 68020 with a memory management unit (MMU) and instruction and data caches of 256 bytes each. It added
Motorola_68030
Data type simulating a pointer with additional features
simulates a pointer while providing added features, such as automatic memory management or bounds checking. Such features are intended to reduce bugs caused
Smart_pointer
Computer feature
Descriptors are integral to the automatic memory management system and virtual memory. Descriptors contain metadata about memory blocks including address, length
Burroughs large systems descriptors
Burroughs_large_systems_descriptors
Processor design concept
taken to access a user memory location. It can be called an address-translation cache. It is a part of the chip's memory-management unit (MMU). A TLB may
Translation_lookaside_buffer
Subsystem of the Linux kernel
queue in their own memory to dispatch commands to the GPU and also require management of buffers and free space within that memory. Initially, user-space
Direct_Rendering_Manager
Processor architecture
Nios II's basic functionality by, for example, adding a predefined memory management unit (MMU), or defining custom instructions and custom peripherals
Nios_II
Topics referred to by the same term
linkage editing in computing Garbage collection (computing), automatic memory management method Set (mathematics) Class (set theory) Family of sets Indexed
Collection
System routines for Classic Mac OS
permanently kept in memory and accessible by a two-byte machine instruction; however it excludes core "kernel" functionality such as memory management and the file
Macintosh_Toolbox
Open source microprocessor
a power management unit, debug unit, tick timer, programmable interrupt controller (PIC), central processing unit (CPU), and memory management hardware
OpenRISC_1200
Division of computer's primary memory into separately relocatable segments or sections
Memory segmentation is an operating system memory management technique of dividing a computer's primary memory into segments or sections. In a computer
Memory_segmentation
Maximum amount of RAM accessible by a computer
The maximum random access memory (RAM) installed in any computer system is limited by hardware, software and economic factors. The hardware may have a
RAM_limit
Microsoft's implementation of the shared library concept in Windows and OS/2
dynamic library for Windows's base functions such as file creation and memory management, is linked via kernel32.lib. The usual way to tell an import library
Dynamic-link_library
Programming language
Caml is statically typed, strictly evaluated, and uses automatic memory management. OCaml, the main descendant of Caml, adds many features to the language
Caml
Database management system that primarily relies on main memory for computer data storage
An in-memory database (IMDb, or main memory database system (MMDB) or memory resident database) is a database management system that primarily relies on
In-memory_database
Computer architecture for security
metadata with the value used to access memory, rather than with the memory being accessed (in contrast to a memory management unit) means that the hardware can
Capability Hardware Enhanced RISC Instructions
Capability_Hardware_Enhanced_RISC_Instructions
Topics referred to by the same term
Virtual meeting, or web conferencing Virtual memory, a memory management technique that abstracts the memory address space in a computer Virtual particle
Virtual
Memory segmentation on Intel x86
x86 memory segmentation is a term for the kind of memory segmentation characteristic of the Intel x86 computer instruction set architecture. The x86 architecture
X86_memory_segmentation
Topics referred to by the same term
sporting organization Heavy meromyosin, a protein fragment Heterogeneous memory management, in the Linux kernel Hidden Markov model, a statistical model Central
HMM
Free and open-source Unix-like operating system
copies, and makes more memory available for caching regular file data. In 2003, UVM was modified to use a top-down memory management, thus merging the space
NetBSD
Programming technique for efficiently duplicating data
computer security vulnerability of the Linux kernel Flyweight pattern Memory management Persistent data structure Wear leveling PagedAttention – attention
Copy-on-write
Multi-application smart card operating system
The virtual machine provides: Application run-time environment. Memory management. Application loading and deleting. The run-time environment operates
MULTOS
Computing technique
In computing, memory ballooning is a technique that is used to eliminate the need to overcommit host memory used by virtual machines (VMs) by letting
Memory_ballooning
Method for computer memory management
programming, thread-local storage (TLS) is a memory management method that uses static or global memory local to a thread. The concept allows storage
Thread-local_storage
The MC68451 is a Motorola (now Freescale) Memory Management Unit (MMU), which was primarily used in conjunction with the Motorola MC68010 microprocessor
Motorola_68451
1990 Microsoft operating system version
improved multitasking, customizability, and especially the utilitarian memory management that troubled the users of Windows 3.0's predecessors. The software
Windows_3.0
Windows NT kernel image
handling, and memory management. In addition to the kernel and executive layers, it contains the cache manager, security reference monitor, memory manager,
Ntoskrnl.exe
Snapshot of computer memory data
pointer, memory management information, and other processor and operating system flags and information. A snapshot dump (or snap dump) is a memory dump requested
Core_dump
Algorithm for caching data
may seem like an intuitive approach to memory management it is not without faults. Consider an item in memory which is referenced repeatedly for a short
Least_frequently_used
Set of memory models of the x86 CPU
the 80386, with its paged memory management unit it is possible to protect individual memory pages against writing. Memory models are not limited to 16-bit
X86_memory_models
Register in a computer's CPU
A memory buffer register (MBR) or memory data register (MDR) is the register in a computer's CPU that stores the data being transferred to and from the
Memory_buffer_register
Way to control memory access rights on a computer
Memory protection is a way to control memory access rights on a computer, and is a part of most modern instruction set architectures and operating systems
Memory_protection
Programming language
Operator overloading is also supported. Nim includes multiple tunable memory management strategies, including tracing garbage collection, reference counting
Nim_(programming_language)
Personal computer by Apple Inc.
including its use of an ad hoc protected memory implementation rather than using a hardware memory management unit. In 1981, after Jobs was forced out
Apple_Lisa
Instruction set architecture developed by Digital Equipment Corporation
address space (addresses 1600008 through 1777778 in the absence of memory management) are not populated because input/output registers on the bus respond
PDP-11_architecture
Ninth and last major release of the classic Mac OS (1999)
versions newer than 9.0.4, however, as it does not have support for a memory management unit. The PearPC PowerPC emulator does not support Mac OS 9. QEMU
Mac_OS_9
Memory management mechanism
Slab allocation is a memory management mechanism intended for the efficient memory allocation of objects. In comparison with earlier mechanisms, it reduces
Slab_allocation
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