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Computer memory that can be accessed by multiple processes
create shared memory, similar to POSIX functions. Distributed memory Distributed shared memory Shared graphics memory Heterogeneous System Architecture Global
Shared_memory
Computer memory architecture
distributed shared memory (DSM) is a form of memory architecture where physically separated memories can be addressed as a single shared address space
Distributed_shared_memory
Distributed computing architecture
with shared-nothing architecture, in which each node has distinct memory and storage, and with shared-disk architecture, in which the nodes share the same
Shared-memory_architecture
Type of distributed computing architecture
shared-nothing architecture (SN) is a distributed computing architecture in which each update request is satisfied by a single node (processor/memory/storage
Shared-nothing_architecture
Methods used to implement electronic computer data storage
Cache memory Memory hierarchy Memory model (addressing scheme) Memory protection Processor register Shared memory architecture (SMA) Uniform memory access
Memory_architecture
Parallel computing memory architecture
Uniform memory access (UMA) is a shared-memory architecture used in parallel computers. All processors in the UMA model share their physical memory uniformly
Uniform_memory_access
Distributed computing architecture
which they also share memory. Shared-disk has two advantages over Shared-memory. Firstly, each processor has its own memory, the memory bus is not a bottleneck;
Shared-disk_architecture
Computer memory design used in multiprocessing
processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). NUMA is beneficial
Non-uniform_memory_access
computer architecture, shared graphics memory refers to a design where the graphics chip does not have its own dedicated memory, and instead may share the
Shared_graphics_memory
Equal sharing of all resources by multiple identical processors
Symmetric multiprocessing or shared-memory multiprocessing (SMP) involves a multiprocessor computer hardware and software architecture where two or more identical
Symmetric_multiprocessing
Quantum instruction set architecture
Quil is a quantum instruction set architecture that first introduced a shared quantum/classical memory model. It was introduced by Robert Smith, Michael
Quil (instruction set architecture)
Quil_(instruction_set_architecture)
Database system utilizing parallelization
run and the computer slows down. Shared-disk architecture Where each node has its own main memory, but all nodes share mass storage, usually a storage
Parallel_database
Computer architecture where code and data share a common bus
to transfer data between the memory and the outside recording medium. The attribution of the invention of the architecture to von Neumann is incorrect
Von_Neumann_architecture
Topics referred to by the same term
the northern sky Uniform memory access, a shared memory architecture in parallel computers Upper memory area, in DOS memory management User-Managed Access
UMA
Design of high-performance computers
uniformly connected to the largest amount of shared memory that could be managed at the time. These early architectures introduced parallel processing at the
Supercomputer_architecture
Software library in memory that multiple executables can use at runtime
executables (shared library) and a shared library need not be loaded at consumer runtime (dynamic library). Library code may be shared in memory by multiple
Shared_library
Computer internal interconnect architecture
numbers of processors. Fireplane combines both, to give a scalable shared memory architecture. Each expander board implements snooping across the board, with
Fireplane
(DDM) is a historical virtual shared memory architecture where data is free to migrate through the machine. Shared memory machines are convenient for programming
Data_diffusion_machine
Computer synchronizing instruction
by the architecture's memory ordering model. Some architectures provide multiple barriers for enforcing different ordering constraints. Memory barriers
Memory_barrier
GPU microarchitecture designed by Nvidia
between shared memory and global memory. Under TMA, applications may transfer up to 5D tensors. When writing from shared memory to global memory, elementwise
Hopper_(microarchitecture)
Hardware that translates virtual addresses to physical addresses
maximum memory of the computer architecture, 32 or 64 bits. The MMU maps the addresses from each program into separate areas in physical memory, which
Memory_management_unit
Set of computers configured in a distributed computing system
supercomputers relied on shared memory. Clusters do not typically use physically shared memory, while many supercomputer architectures have also abandoned
Computer_cluster
Indian-American business executive (born 1953)
(VLSI) of integrated circuits and high-speed interconnects for shared memory architecture multiprocessors. Sindhu founded Juniper Networks along with Dennis
Pradeep_Sindhu
French computer scientist (born 1970)
replication for high availability and efficiency in large-scale shared memory architectures” and was supervised by Michel Banâtre. She then worked as a postdoctoral
Anne-Marie_Kermarrec
Computer memory organization
Cache only memory architecture (COMA) is a computer memory organization for use in multiprocessors in which the local memories (typically DRAM) at each
Cache-only memory architecture
Cache-only_memory_architecture
Computer architecture where code and data each have a separate bus
with the von Neumann architecture, where program instructions and data share the same memory and pathways. The Harvard architecture is often used in real-time
Harvard_architecture
Organized collection of data in computing
parallel DBMS architectures which are induced by the underlying hardware architecture are: Shared memory architecture, where multiple processors share the main
Database
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
Shared knowledge and values of a social group
Collective memory is the shared pool of memories, knowledge and information of a social group that is significantly associated with the group's identity
Collective_memory
Method of CPU communication
can slow memory access if the address and data buses are shared. This is because the peripheral device is usually much slower than main memory. In some
Memory-mapped I/O and port-mapped I/O
Memory-mapped_I/O_and_port-mapped_I/O
Computing system
central processing units and graphics processors on the same bus, with shared memory and tasks. The HSA is being developed by the HSA Foundation, which includes
Heterogeneous System Architecture
Heterogeneous_System_Architecture
Division of computer's primary memory into separately relocatable segments or sections
program modules, or for classes of memory usage such as code segments and data segments. Certain segments may be shared between programs. Segmentation was
Memory_segmentation
Computing center in Pennsylvania, US
providing a family of Big Data-optimized supercomputers with unique shared memory architectures, PSC features the National Institutes of Health-sponsored National
Pittsburgh Supercomputing Center
Pittsburgh_Supercomputing_Center
Type of dedicated computer memory
relies instead on system RAM, is said to have a unified memory architecture, or shared graphics memory. System RAM and VRAM have been segregated due to the
Video_random-access_memory
Type of concurrency control mechanism
database transactions for controlling access to shared memory in concurrent computing. Transactional memory systems provide high-level abstraction as an
Transactional_memory
GPU microarchitecture by AMD
performance-per-watt uplift of over 50% with RDNA 3 and that the upcoming architecture would be built using chiplet packaging on a 5 nm process. A sneak preview
RDNA_3
System-on-a-chip series designed by Apple Inc.
to memory, which Apple says accelerates on-device Apple Intelligence features and other AI workloads. All M5 chips use a unified memory architecture that
Apple_M5
System with more than one processor
This type of architecture allows parallel processing. The distributed memory is highly scalable. Multiprocessor system with a shared memory closely connected
Multiprocessor system architecture
Multiprocessor_system_architecture
GPU microarchitecture by Nvidia
memory that can be used either to cache data for individual threads (register spilling/L1 cache) and/or to share data among several threads (shared memory)
Fermi_(microarchitecture)
Reference to a specific memory location
heap; shared memory and memory mapped files. Some parts of address space may be not mapped at all. Some systems have a "split" memory architecture where
Memory_address
GPU microarchitecture by Nvidia
of 720 GB/s. Unified memory — a memory architecture where the CPU and GPU can access both main system memory and memory on the graphics card with the help
Pascal_(microarchitecture)
Structural design of shared information
Information architecture is the structural design of shared information environments, in particular the organisation of websites and software to support
Information_architecture
Computing technique employed to achieve parallelism
difficult, and the shared memory model is less flexible than the distributed memory model. There are many examples of shared memory (multiprocessors):
Multiple instruction, multiple data
Multiple_instruction,_multiple_data
Family of RISC-based computer architectures
Hitachi for a supply of faster 4 MHz parts. Machines of the era generally shared memory between the processor and the framebuffer, which allowed the processor
ARM_architecture_family
Equivalence of all cached copies of a memory location
In computer architecture, cache coherence is the uniformity of shared resource data that is stored in multiple local caches. In a cache coherent system
Cache_coherence
Type of memory used on processors that require high transfer rate memory
High Bandwidth Memory (HBM) is a computer memory interface for 3D-stacked synchronous dynamic random-access memory (SDRAM), initially developed by Samsung
High_Bandwidth_Memory
Abstraction of parallel computer architecture
interaction are shared memory and message passing, but interaction can also be implicit (invisible to the programmer). Shared memory is an efficient means
Parallel_programming_model
Form of computer data storage
Hybrid Memory Cube List of RAM chip manufacturers List of RAM module manufacturers Memory geometry Memory module Multi-channel memory architecture RAM parity
Random-access_memory
Computer memory management technique
having to manage a shared memory space, ability to share memory used by libraries between processes, increased security due to memory isolation, and being
Virtual_memory
Type of integrated circuit
distributed memory MIMD architecture distinguishes it from multicore and manycore architectures, which have fewer processors and an SMP or other shared memory architecture
Massively parallel processor array
Massively_parallel_processor_array
Programming paradigm in which many processes are executed simultaneously
make about the underlying memory architecture—shared memory, distributed memory, or shared distributed memory. Shared memory programming languages communicate
Parallel_computing
Parallel computing platform and programming model
warps with even IDs. shared memory only, no data cache shared memory separate, but L1 includes texture cache "H.6.1. Architecture". docs.nvidia.com. Retrieved
CUDA
Single instance of a software that serves multiple tenants
software architecture in which a single instance of software runs on a server and serves multiple tenants. Systems designed in such manner are "shared" (rather
Multitenancy
Computer memory management scheme
so memory is only allocated when needed. Shared memory is an efficient means of communication between programs. Programs can share pages in memory, and
Memory_paging
1984 home computer
designed with a shared memory architecture, in which screen data resided in main memory. This means that the video chip has to access the memory while it is
Plus/4
Transaction tracker in computer systems
transactions, and its goal is to maintain a cache coherency in distributed shared memory systems. This scheme was introduced by Ravishankar and Goodman in 1983
Bus_snooping
Multithreading computing anomaly
{\displaystyle P_{2}} writes value B to the shared memory location P 2 {\displaystyle P_{2}} writes value A to the shared memory location P 2 {\displaystyle P_{2}}
ABA_problem
Hardware cache of a central processing unit
of cores, and one L3 cache shared between all cores. A shared highest-level cache (usually L3, called before accessing memory), is usually referred to as
CPU_cache
Data transfer channel connecting parts of a computer
In computer architecture, a bus (historically also called a data highway or databus) is a communication system that transfers data between components inside
Bus_(computing)
Memory hierarchy concept applied to CPU caches with multiple levels
Cache hierarchy, or multi-level cache, is a memory architecture that uses a hierarchy of memory stores based on varying access speeds to cache data. Highly
Cache_hierarchy
Signal to a computer processor emitted by hardware or software
Message-signalled interrupt vectors can be shared, to the extent that the underlying communication medium can be shared. No additional effort is required. Because
Interrupt
High level structures of a software system
model the architecture just enough. Note that synchronous communication between architectural components, entangles them and they must share the same architectural
Software_architecture
American research center, 1985–1995
work by many of its participants, CSRD pioneered many of the shared memory architectural and software technologies upon which all 21st century computation
University of Illinois Center for Supercomputing Research and Development
University_of_Illinois_Center_for_Supercomputing_Research_and_Development
into the x86 architecture with the Pentium II Xeon and was initially advertised as part of the "Intel Extended Server Memory Architecture" (sometimes abbreviated
PSE-36
Classification of computer architectures
Corporation SX-3 that supported 4-10 vector processors with a shared memory (see NEC SX architecture). This scheme uses the SIMD (single instruction stream,
Duncan's_taxonomy
RISC instruction set architecture
SPARC (Scalable Processor ARChitecture) is a reduced instruction set computer (RISC) instruction set architecture originally developed by Sun Microsystems
SPARC
Cache coherence protocol for computer processors
shared. The block on P3 also changes its state to shared as it has received data from another cache. The data is also written back to the main memory
MESI_protocol
Model that describes the programmable interface of a computer processor
instruction pipeline only allow a single memory load or memory store per instruction, leading to a load–store architecture (RISC). For another example, some
Instruction_set_architecture
Computer memory architecture
In computer architecture, the memory hierarchy separates computer storage into a hierarchy based on response time. Since response time, complexity, and
Memory_hierarchy
Supercomputer family
The 3700 is based on the third generation NUMAflex distributed shared memory architecture and it uses the NUMAlink 4 interconnection fabric. The Altix 3000
SGI_Altix
Type of computer memory
synchronous DRAM – DDR SDRAM memory is now preferred over asynchronous DRAM. The pipeline architecture employed by synchronous memory allows higher throughput
Static_random-access_memory
Message-passing system for parallel computers
has advantages when running on NUMA architectures, since MPI encourages memory locality. Explicit shared-memory programming was introduced in MPI-3.
Message_Passing_Interface
64-bit extension of the ARM architecture
version of the ARM architecture family, a widely used set of computer processor designs. It was introduced in 2011 with the ARMv8 architecture and later became
AArch64
Family of 64-bit Intel microprocessors
Global Shared-Memory Architecture" (PDF). sgi.com. Archived from the original (PDF) on 2006-03-14. Vogelsang, Reiner. "SGI® Altix™ Hardware Architecture" (PDF)
Itanium
Order of accesses to computer memory by a CPU
of memory such as caches and memory banks, few compilers or CPU architectures ensure perfectly strong ordering. Among the commonly used architectures, x86-64
Memory_ordering
Component that stores information
located in computer memory. The terms memory, main memory, and primary storage are also used for computer memory. Computer memory is often referred to
Computer_memory
Virtual memory region with bytes mapped to a file or file-like resource
file that is physically present on disk, but can also be a device, shared memory object, or other resource that an operating system can reference through
Memory-mapped_file
Type of computer memory
random-access memory (dynamic RAM or DRAM) is a type of random-access semiconductor memory that stores each bit of data in a memory cell. A DRAM memory cell usually
Dynamic_random-access_memory
Computer architecture treating code and data similarly, though not usually identically
modified Harvard architecture is a variation of the Harvard computer architecture that, unlike the pure Harvard architecture, allows memory that contains
Modified_Harvard_architecture
Core of a computer operating system
its memory footprint. This is mitigated to some degree by perfecting a virtual memory system, but not all computer architectures have virtual memory support
Kernel_(operating_system)
Instruction set architecture
instruction stream to reduce the memory programs require; and MIPS MT, which adds multithreading capability. Computer architecture courses in universities and
MIPS_architecture
Type of computer memory used from 1955 to 1975
magnetic-core memory is a form of random-access memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called core memory, or, informally
Magnetic-core_memory
Computer programming for quantum computers
partners. Quil is an instruction set architecture for quantum computing that first introduced a shared quantum/classical memory model. It was introduced by Robert
Quantum_programming
Series of GPUs by Nvidia
memory associated with each cluster, which can be used either as a 48 KB cache plus 16 KB of shared memory, or as a 16 KB cache plus 48 KB of shared memory
GeForce_400_series
Part of computer memory
including core memory, twistor memory, and bubble memory. Today[as of?], the most common memory cell architecture is MOS memory, which consists of metal–oxide–semiconductor
Memory_cell_(computing)
GPU microarchitecture by Nvidia
product line. Maxwell also provides native shared memory atomic operations for 32-bit integers and native shared memory 32-bit and 64-bit compare-and-swap (CAS)
Maxwell_(microarchitecture)
in shared memory systems. memory address The address of a location in a memory or other address space. memory architecture A memory architecture in a
Glossary of computer hardware terms
Glossary_of_computer_hardware_terms
Measure of the amount of work needed to perform a computing task
Fine-grained parallelism is best exploited in architectures which support fast communication. Shared memory architecture which has a low communication overhead
Granularity (parallel computing)
Granularity_(parallel_computing)
Storage of digital data readable by computers
to as "memory", while slower persistent components are referred to as "storage". This distinction was extended in the Von Neumann architecture, where
Computer_data_storage
High-speed internal memory for storage
a large multiported shared scratchpad. Graphcore has designed an AI accelerator based on scratchpad memories Some architectures such as PowerPC attempt
Scratchpad_memory
Computer memory management methodology
though the memory allocated for specific processes is normally isolated, processes sometimes need to be able to share information. Shared memory is one of
Memory_management
Electronic non-volatile computer storage device
directly. Its architecture allows for individual byte access, facilitating faster read speeds compared to NAND flash. NAND flash memory operates with
Flash_memory
Base memory unit handled by a computer
working memory in a single operation is a word in many (not all) architectures. The largest possible address size, used to designate a location in memory, is
Word_(computer_architecture)
System with multiple networked computers
Whether these CPUs share resources or not determines a first distinction between three types of architecture: Shared memory Shared disk Shared nothing. Distributed
Distributed_computing
Computer chipset by ATI
Mobile applications Includes AMD Turion 64 support Support for Shared Memory Architecture ATI PowerPlay 5.0 support Later renamed as Radeon Xpress 1150
Xpress_200
Machine instruction code that executes properly regardless of where in memory it resides
machine code that executes properly regardless of its memory address. PIC is commonly used for shared libraries, so that the same library code can be loaded
Position-independent_code
Early form of read-only memory
Core rope memory is a form of read-only memory (ROM) for computers. It was used in the UNIVAC I (Universal Automatic Computer I) and the UNIVAC II, developed
Core_rope_memory
Open standard for parallelizing
supports multi-platform shared-memory multiprocessing programming in C, C++, and Fortran, on many platforms, instruction-set architectures and operating systems
OpenMP
Family of instruction set architectures
eight-bit 8008 and 8080 architectures. Byte-addressing is enabled and words are stored in memory with little-endian byte order. Memory access to unaligned
X86
Computer architecture for security
is a capability architecture. Early capability architectures, such as the CAP computer and Intel iAPX 432, demonstrated secure memory management, but
Capability Hardware Enhanced RISC Instructions
Capability_Hardware_Enhanced_RISC_Instructions
SHARED MEMORY-ARCHITECTURE
SHARED MEMORY-ARCHITECTURE
Girl/Female
Gujarati, Hindu, Indian
Memory
Male
English
Variant spelling of English Emery, EMORY means "work-power."
Girl/Female
Tamil
Memory
Girl/Female
Indian
Memory
Girl/Female
Assamese, Bengali, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Memory
Girl/Female
Arabic, Gujarati, Indian, Muslim, Parsi
Memory
Male
Polish
Polish form of Greek Methodios, METODY means "method."
Girl/Female
Indian
Memory
Surname or Lastname
English
English : variant spelling of Emery.
Surname or Lastname
English
English : variant of Embury or Emery.
Boy/Male
Australian, Farsi
Memory
Boy/Male
Assamese, Indian
Memory
Girl/Female
Indian, Sanskrit
Memory
Girl/Female
Afghan, Arabic, Muslim
Memory
Girl/Female
English American Greek
Melody.
Female
English
English name derived from the vocabulary word, MELODY means "melody."
Girl/Female
Muslim
Memory
Male
Japanese
(守) Japanese name MAMORU means "protector."
Girl/Female
Tamil
Memory
Girl/Female
English American Welsh
Merry; mirthful; joyous. Also an abbreviation of Meredith.
SHARED MEMORY-ARCHITECTURE
SHARED MEMORY-ARCHITECTURE
Boy/Male
Hindu
One who is empty, Hollow, Vain
Boy/Male
German
Rules his household.
Boy/Male
Indian
Girl/Female
African, Australian, Swahili
Goodness
Boy/Male
Tamil
Name of a season, Cold
Girl/Female
Indian
First rise of Sun
Surname or Lastname
English
English : nickname for a wise or learned person, or in some cases a nickname for someone suspected of being acquainted with the occult arts, from Middle English wise ‘wise’ (Old English wīs). This name has also absorbed Dutch Wijs, a nickname meaning ‘wise’, and possibly cognates in other languages.Americanized form of German and Jewish Weiss ‘white’.
Boy/Male
Tamil
Girl/Female
Australian, German, Teutonic
Holy Spirit of the Forest; The Holy Goddess
Boy/Male
British, English
From the Island of Linden Trees
SHARED MEMORY-ARCHITECTURE
SHARED MEMORY-ARCHITECTURE
SHARED MEMORY-ARCHITECTURE
SHARED MEMORY-ARCHITECTURE
SHARED MEMORY-ARCHITECTURE
n.
Something, or an aggregate of things, remembered; hence, character, conduct, etc., as preserved in remembrance, history, or tradition; posthumous fame; as, the war became only a memory.
superl.
Causing laughter, mirth, gladness, or delight; as, / merry jest.
pl.
of Memory
a.
Shaped like a globe.
a.
Shaped like a saddle.
n.
Alt. of Memoirs
n.
The reach and positiveness with which a person can remember; the strength and trustworthiness of one's power to reach and represent or to recall the past; as, his memory was never wrong.
imp. & p. p.
of Shred
a.
Shaped like a wheel.
n.
A memorial account; a history composed from personal experience and memory; an account of transactions or events (usually written in familiar style) as they are remembered by the writer. See History, 2.
a.
Shaped like a strap; ligulate; as, a strap-shaped corolla.
n.
Memory.
n.
Any one of several species of fishes belonging to Echeneis, Remora, and allied genera. Called also sucking fish.
n.
The actual and distinct retention and recognition of past ideas in the mind; remembrance; as, in memory of youth; memories of foreign lands.
n.
Memory; remembrance.
n.
The time within which past events can be or are remembered; as, within the memory of man.
imp. & p. p.
of Share
adv.
Beyond memory.
a.
Shaped like an awl.
n.
One who shares; a participator; a partaker; also, a divider; a distributer.