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Process logic used to control access to shared memory locations
In computing and parallel processing, memory semantics refers to the process logic used to control access to shared memory locations, or at a higher level
Memory_semantics_(computing)
Executing several computations during overlapping time periods
Concurrent computing is a form of computing in which several computations are executed concurrently—during overlapping time periods, instead of sequentially—with
Concurrent_computing
Language for controlling a computer
not require code execution. Semantics refers to the meaning of content that conforms to a language's syntax. Static semantics defines restrictions on the
Programming_language
Additional storage that enables faster access to main storage
In computing, a cache (/kæʃ/ KASH) is a hardware or software component that stores data so that future requests for that data can be served faster; the
Cache_(computing)
Interaction of threads in Java software
single-threaded execution of code, the memory model provides the semantics of the Java programming language. The original Java memory model developed in 1995 was
Java_memory_model
Order of accesses to computer memory by a CPU
of specialization in memory order semantics are the programmers who author software frameworks in support of concurrent computing models. Note that local
Memory_ordering
Study of meaning in language
Semantics is the study of linguistic meaning. It examines what meaning is, how words get their meaning, and how the meaning of a complex expression depends
Semantics
System with multiple networked computers
common goal for their work. The terms "concurrent computing", "parallel computing", and "distributed computing" have much overlap, and no clear distinction
Distributed_computing
State for a computing process
associated with blocking. Concurrent computing Data dependency Non-blocking algorithm Race condition Scheduling (computing) Stallings, William (2004). Operating
Blocking_(computing)
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 alternative
Transactional_memory
Type of memory referring to general world knowledge
categorically-organized fashion." Memory semantics Sparse distributed memory Semantic similarity McRae, Ken; Jones, Michael (2013). "Semantic Memory". In Reisberg, Daniel
Semantic_memory
situations, particularly where auxiliary memory is limited. semantics In programming language theory, semantics is the field concerned with the rigorous
Glossary_of_computer_science
Study of how the mind stores meaning
Semantics within psychology is the study of how meaning is stored in the mind. Semantic memory is a type of long-term declarative memory that refers to
Semantics_(psychology)
English computer scientist and mathematician (1916–1975)
design and the mathematical foundations of computing, he was one of the founders of denotational semantics, developed in collaboration with Dana Scott
Christopher_Strachey
Shared boundary between elements of a computing system
and introduction of computing hardware, such as I/O devices, from the design and introduction of other components of a computing system, thereby allowing
Interface_(computing)
Performing the actions encoded in a computer program
the program instructions, effects are produced in accordance with the semantics of those instructions. The term run is generally synonymous with execute
Execution_(computing)
Programming paradigm in which many processes are executed simultaneously
parallel computing: bit-level, instruction-level, data, and task parallelism. Parallelism has long been employed in high-performance computing, but has
Parallel_computing
Analysis of software performed when running a program
Special sections: Cyber-enabled Distributed Computing for Ubiquitous Cloud and Network Services & Cloud Computing and Scientific Applications — Big Data,
Dynamic_program_analysis
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
Study of computation
and databases. In the early days of computing, a number of terms for the practitioners of the field of computing were suggested (albeit facetiously) in
Computer_science
Interactions of threads through memory
In computing, a memory model describes the interactions of threads through memory and their shared use of the data. A memory model allows a compiler to
Memory_model_(programming)
Computation model defining an abstract machine
Turing tarpit, any computing system or language that, despite being Turing complete, is generally considered useless for practical computing Unorganised machine
Turing_machine
types, what state there is (such as the main memory and registers) and their semantics (such as the memory consistency and addressing modes), the instruction
Comparison of instruction set architectures
Comparison_of_instruction_set_architectures
Activity involving calculations or computing machinery
Computing is any goal-oriented activity that requires, benefits from, or creates computing machinery. It includes the study and experimentation of algorithmic
Computing
Extent to which a programming language discourages type errors
Association for Computing Machinery. pp. 207–212. doi:10.1145/582153.582176. ISBN 0897910656. S2CID 11319320. Tofte, Mads (1988). Operational Semantics and Polymorphic
Type_safety
Declarative logic programming language
sugar); they have no impact on the semantics of the program. There are three widely-used approaches to the semantics of Datalog programs: model-theoretic
Datalog
Security by granting only essential access
authority (PoLA) requires that, in a particular abstraction layer of a computing environment, every module (such as a process, a user, or a program, depending
Principle_of_least_privilege
Parallel computing platform and programming model
CUDA (Compute Unified Device Architecture) is a proprietary parallel computing platform and application programming interface (API) developed by Nvidia
CUDA
Software library providing an embedded transactional key-value database
computer's memory as a single address space, shared across multiple processes or threads using shared memory with copy-on-write semantics (known historically
Lightning Memory-Mapped Database
Lightning_Memory-Mapped_Database
Proving or disproving the correctness of certain intended algorithms
process algebra, formal semantics of programming languages such as operational semantics, denotational semantics, axiomatic semantics and Hoare logic. Model
Formal_verification
Academic journal
important venues in formal semantics, alongside Natural Language Semantics, Linguistics and Philosophy, and the Journal of Semantics. It was established by
Semantics_and_Pragmatics
Open standard processor interconnection for data centers
Compute Express Link (CXL) is an open standard interconnect for high-speed, high capacity CPU-to-device and CPU-to-memory connections, designed for high
Compute_Express_Link
Type of programming language
in creating specialized parallel computing applications based on Linda, the largest of which was Scientific Computing Associates, a New Haven-based company
Linda_(coordination_language)
This is a list of computing and IT acronyms, initialisms and abbreviations. 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z See also References
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
Parallel programming model paradigm in computer science
programming style for distributed memory systems (as employed by MPI) with the data referencing semantics of shared memory systems. In contrast to message
Partitioned global address space
Partitioned_global_address_space
Experimental Soviet ternary computer
primitives. The machine is regularly cited in surveys of Soviet computing and of non-binary computing as one of the few documented attempts to design a ternary
Setun-70
Semantic instance with state, behavior, and identity
programming Pointer (computer programming) Reference (computer science) Semantics (logic) Value object Grady Booch; Robert Maksimchuk; Michael Engle; Bobbi
Object_(computer_science)
Processing of natural language by a computer
operationalization of generative grammar), morphology (e.g., two-level morphology), semantics (e.g., Lesk algorithm), reference (e.g., within Centering Theory) and
Natural_language_processing
Computer memory management instruction
committing their contents to main memory. Care is needed since incorrect results are possible. Unlike other cache hints, the semantics of the program are significantly
Cache_control_instruction
programmers to write code that is guaranteed, by the language's syntax and semantics, to be executable both forwards and backwards deterministically. The fundamental
Reversible programming language
Reversible_programming_language
Collection of resources used to develop a computer program
In computing, a library is a collection of resources that can be used during software development to implement a computer program. Commonly, a library
Library_(computing)
Message-passing system for parallel computers
standard designed to function on parallel computing architectures. The MPI standard defines the syntax and semantics of library routines that are useful to
Message_Passing_Interface
Approach to static program analysis
not know. In the case of computing, concrete, precise information is in general not computable within finite time and memory (see Rice's theorem and the
Abstract_interpretation
Organized collection of data in computing
In computing, a database is an organized collection of data or a type of data store based on the use of a database management system (DBMS), the software
Database
Entity to which a name refers
in a relation, the other being called the relatum. In fields such as semantics, semiotics, and the theory of reference, a distinction is made between
Referent
Rules that guarantee predictable computer memory operation
contract by translating memory operations into low-level operations in a way that preserves memory semantics, reordering some memory instructions, and encapsulating
Consistency_model
Mathematical model for data types
(ADT) is a mathematical model for data types, defined by its behavior (semantics) from the point of view of a user of the data, specifically in terms of
Abstract_data_type
Programming language evaluation rules
(1999-03-10). "An Operational Semantics for Parallel Call-by-Need" (ps). Research Report. 99 (1). Faculty of Mathematics & Computing, The Open University. Ennals
Evaluation_strategy
Subfield of computer science and mathematics
Formal Aspects of Computing Journal of the ACM SIAM Journal on Computing (SICOMP) SIGACT News Theoretical Computer Science Theory of Computing Systems TheoretiCS
Theoretical_computer_science
Procedural computer language also known as TAL
program's memory allocation and call stack. The language itself has the appearance of ALGOL or Pascal, with BEGIN and END statements. However, its semantics are
Transaction Application Language
Transaction_Application_Language
Open standard for programming heterogenous computing systems, such as CPUs or GPUs
platform and execute programs on the compute devices. OpenCL provides a standard interface for parallel computing using task- and data-based parallelism
OpenCL
64-bit extension of the ARM architecture
Prefetch. Guarded Control Stack (GCS) (ARMv9 only). Confidential computing. Memory encryption contexts. Device assignment. In October 2023, ARMv9.5-A
AArch64
Stack-based programming language
executes the compilation semantics associated with the word, instead of the interpretation semantics. The default compilation semantics of a word are to append
Forth_(programming_language)
1982 Japanese initiative to develop advanced computers
and Industry (MITI) to develop computers based on massively parallel computing and logic programming. The project aimed to create an "epoch-making computer"
Fifth Generation Computer Systems
Fifth_Generation_Computer_Systems
Component of a computer process
of one instruction at a time. In the formal analysis of the variables' semantics and process state, the term single threading can be used differently to
Thread_(computing)
Formally verified capability-based microkernel
avoid kernel message buffering and instead provide synchronous rendezvous semantics, reducing kernel complexity and hidden resource usage compared with Mach's
SeL4
Computer clusters with graphics processing units
100 8800GTs, all with the same amount of memory. Classifying a GPU cluster according to the above semantics largely directs software development on the
GPU_cluster
Sequence of program instructions invokable by other software
Evaluation strategy – Programming language evaluation rules Event (computing) – Computing state associated with a point in time Function (mathematics) – Association
Function (computer programming)
Function_(computer_programming)
capability computing. That is, a single application could be run across the entire system. This is in contrast to cluster-style capacity computing, in which
Red_Storm_(computing)
guarantees of deterministic execution time and memory consumption, Atom places several restrictions on computing. First, Atom designs are always finite state:
Atom_(programming_language)
Overview of and topical guide to computer science
system for computer science is the ACM Computing Classification System devised by the Association for Computing Machinery. Computer science can be described
Outline_of_computer_science
Model of concurrent computation
parallel computing machines consisting of dozens, hundreds, or even thousands of independent microprocessors, each with its own local memory and communications
Actor_model
Behavior in concurrent computing
descriptions of such systems (denotational semantics) and later contributed to research on advanced computing theories (hypercomputation). Unbounded nondeterminism
Unbounded_nondeterminism
Programming language for JSON
files. jaq is a Rust implementation of jq developed using denotational semantics to formalize its behavior in cases where the original jq documentation
Jq_(programming_language)
Technique to speed up C/C++ project builds
translation unit. The linker stage memory use will also decrease. Unity builds have also potentially dangerous effects on the semantics of programs. Some valid C++
Unity_build
In computing, an operation whereby a process creates a copy of itself
the memory segments of the parent process. In modern UNIX variants that follow the virtual memory model from SunOS-4.0, copy-on-write semantics are implemented
Fork_(system_call)
In computing, an active message is a messaging object capable of performing processing on its own. This contrasts with traditional computer-based messaging
Active_message
Model of computation
have proven convenient for modeling embedded systems, high-performance computing systems, signal processing systems, stream processing systems, dataflow
Kahn_process_networks
Specialized computer hardware
customization of hardware designs allows emerging architectures such as in-memory computing, transport triggered architectures (TTA) and networks-on-chip (NoC)
Hardware_acceleration
Computer programming paradigm
general-purpose GPU computing (GPGPU). This evolution spawned dedicated data-center product lines for High-Performance Computing (HPC), including the
Stream_processing
Computer scientist and professor
Engineers (IEEE) in 2012 for her contributions to shared memory semantics and parallel computing. She was the PhD supervisor of Parthasarathy Ranganathan
Sarita_Adve
Capacity for a sign to have multiple related meanings
Lexical Semantics and Knowledge Representation, Springer-Verlag. Kumar, Raman; Paiva, Sara (2020-06-12). Applications in Ubiquitous Computing. Springer
Polysemy
Standardized way to automatically access information about a memory module
In computing, serial presence detect (SPD) is a standardized way to automatically access information about a memory module. Earlier 72-pin SIMMs included
Serial_presence_detect
Programming language for programming reactive systems
clocked and at each tick of its clock, it computes instantaneously its output values and the new values of its memory cells (latches) from its input values
Synchronous programming language
Synchronous_programming_language
Knowledge base that represents semantic relations between concepts in a network
Semantic Memory. Unpublished doctoral dissertation, Carnegie Institute of Technology, 1966. Helbig, H. (2006). Knowledge Representation and the Semantics of
Semantic_network
Specialist Group of the BCS
Provably Correct Systems". Formal Aspects of Computing. ACM. doi:10.1145/3803555. "Peter Landin Annual Semantics Seminar". BCS-FACS. London, UK: BCS. 6 December
BCS-FACS
transparent dataflow semantics for the applications. No directives for parallel execution are needed. Current parallel shared memory SMPs are complex machines
Binary Modular Dataflow Machine
Binary_Modular_Dataflow_Machine
Programming paradigm based on asynchronous data streams
In computing, reactive programming is a declarative programming paradigm concerned with data streams and the propagation of change. With this paradigm
Reactive_programming
Programming language
Although the design of most languages concentrates on innovations in syntax, semantics, or typing, Go is focused on the software development process itself.
Go_(programming_language)
Family of instruction set architectures
address much more memory. Intel and the whole x86 ecosystem needed 64-bit memory addressing if x86 was to survive the 64-bit computing era, as workstation
X86
Thought experiment on artificial intelligence
three: Programs don't have semantics. Programs have only syntax, and syntax is insufficient for semantics. Every mind has semantics. Therefore no programs
Chinese_room
Software optimization technique
Languages". ACM Computing Surveys. 21 (3): 383–385. doi:10.1145/72551.72554. S2CID 207637854. Launchbury, John (1993). "A natural semantics for lazy evaluation"
Lazy_evaluation
Audio programming language
runtime system. It has a very deterministic behavior and a constant memory size. The semantics of FAUST is driven to be simple and well-defined. It allows the
FAUST_(programming_language)
Type of Turing machine
Turing machine capable of computing any computable sequence, as described by Alan Turing in his seminal paper "On Computable Numbers, with an Application
Universal_Turing_machine
Property of some operation(s) in concurrent programming
not match the sequential definition of the object (it doesn't match the semantics of the program): A should have successfully obtained the lock, and B should
Linearizability
Resilience of systems to component failures or errors
; Treleaven, P. C. (June 1978). "Reliability Issues in Computing System Design". ACM Computing Surveys. 10 (2): 123–165. doi:10.1145/356725.356729. ISSN 0360-0300
Fault_tolerance
Computer architecture to aid parallelism
for an application in a system-on-a-chip. No instruction set computing – Type of computing architecture One-instruction set computer – Abstract machine
Very_long_instruction_word
Functionality in computer operating systems
replace the PATH variable for command lookup in the shell. Plan 9 union semantics are greatly simplified compared to the implementations for POSIX-style
Union_mount
Software that translates code from one programming language to another
code. Theoretical computing concepts developed by scientists, mathematicians, and engineers formed the basis of digital modern computing development during
Compiler
Computer system that provides behavior needed by running code
implementing semantics of the particular program (in which text is directly translated into code that computes results). This separation between the semantics of
Runtime_system
Safe semantics is a computer hardware consistency model. It describes one type of guarantee that a data register provides when it is shared by several
Safe_semantics
Type of assignment operator
But if there is a special op code, it might be MDM x,1 meaning "Modify Memory" by adding 1 to x, and an optimizing compiler would generate the same code
Augmented_assignment
Programming language for industrial controllers
programmers may still have problems fully grasping the resulting complex semantics. Analog quantities and arithmetical operations are clumsy to express in
Ladder_logic
Principle of interchangeability of data and code
characters or an abstract syntax tree (AST), and it has an execution semantics only in the context of a given compiler or interpreter. The notion is
Code_as_data
Atomic computer processor instruction
Non-Volatile Memory (Brief Announcement)". The 31st ACM Symposium on Parallelism in Algorithms and Architectures. Association for Computing Machinery. pp
Compare-and-swap
Object which stores memory addresses in a computer program
reference semantics without pointer arithmetic. Nevertheless, pointer classes are provided. They offer pointer arithmetic, typecasting, explicit memory management
Pointer (computer programming)
Pointer_(computer_programming)
Programming language close to hardware
optimized for a particular architecture. Assembly language has little semantics or formal specification, being only a mapping of human-readable symbols
Low-level programming language
Low-level_programming_language
Mathematical function that can be computed by a program
computational complexity theory on the set of computable functions. In computational complexity theory, the problem of computing the value of a function is known as
Computable_function
Instructions a computer can execute
multiprogramming—having multiple processes in memory at once. When one process was waiting for input/output, another could compute. IBM planned for each model to be
Computer_program
Program translating executable to source code
sequences of code whose combined semantics are not immediately apparent from the instructions' individual semantics. Either as part of the disassembly
Decompiler
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