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этимология

Что (кто) такое context switching - определение

SWITCH BETWEEN PROCESSES OR TASKS ON A COMPUTER

Context switching; Thread switching latency; Process switching latency; Context Switch; Address space switch; Thread switch; Process switch; Address-space switch; Mode switch

Найдено результатов: 392

Context switch

In computing, a context switch is the process of storing the state of a process or thread, so that it can be restored and resume execution at a later point, and then restoring a different, previously saved, state.

https://en.wikipedia.org/wiki/Context_switch

context switch

<operating system> When a multitasking operating system stops running one process and starts running another. Many operating systems implement concurrency by maintaining separate environments or "contexts" for each process. The amount of separation between processes, and the amount of information in a context, depends on the operating system but generally the OS should prevent processes interfering with each other, e.g. by modifying each other's memory. A context switch can be as simple as changing the value of the program counter and stack pointer or it might involve resetting the MMU to make a different set of memory pages available. In order to present the user with an impression of parallism, and to allow processes to respond quickly to external events, many systems will context switch tens or hundreds of times per second. (1996-12-18)

Switching barriers

ECONOMIC & PSYCHOLOGICAL COSTS OF SWITCHING FROM ONE ALTERNATIVE TO ANOTHER

Switching costs; Switching cost

Switching costs or switching barriers are terms used in microeconomics, strategic management, and marketing. They may be defined as the disadvantages or expenses consumers feel they experience, along with the economic and psychological costs of switching from one alternative to another.

https://en.wikipedia.org/wiki/Switching_barriers

Immunoglobulin class switching

SWITCHING OF ACTIVATED B CELLS FROM IGM BIOSYNTHESIS TO BIOSYNTHESIS OF OTHER ISOTYPES OF IMMUNOGLOBULIN

Class switching; Antibody class switching; Isotype switching; Class switch recombination; Class switch; Ig class switching; Immunoglobulin switch region

Immunoglobulin class switching, also known as isotype switching, isotypic commutation or class-switch recombination (CSR), is a biological mechanism that changes a B cell's production of immunoglobulin from one type to another, such as from the isotype IgM to the isotype IgG. During this process, the constant-region portion of the antibody heavy chain is changed, but the variable region of the heavy chain stays the same (the terms variable and constant refer to changes or lack thereof between antibodies that target different epitopes).

https://en.wikipedia.org/wiki/Immunoglobulin_class_switching

Probabilistic context-free grammar

Probabilized context-free grammar; Weighted context-free grammar; Probabilistic context free grammar; PCFG; Probabilistic parsing; Stochastic context-free grammar; Applications of probabilistic context-free grammar

Grammar theory to model symbol strings originated from work in computational linguistics aiming to understand the structure of natural languages. Probabilistic context free grammars (PCFGs) have been applied in probabilistic modeling of RNA structures almost 40 years after they were introduced in computational linguistics.

https://en.wikipedia.org/wiki/Probabilistic_context-free_grammar

label switched path

NETWORK ROUTING SCHEME BASED ON LABELS IDENTIFYING PATHS

MPLS; Multi-protocol label switching; Multi-protocol Label Switching; Multi-Protocol Label Switching; Multi Protocol Label Switching; Multi protocol label switching; Multiprotocol label switching; Label switched path; Label-switched path; Label edge router; Label switch router; Label Switching Router; Tag switching; Transit router; IP/MPLS; Label Edge Router; Label Switch Router; Label switching router; Mofrr; Label Switched Path

<networking> (LSP) The specific path through a network that a datagram follows, based on its MPLS labels. (1999-06-14)

Context (language use)

CONDITIONS ASSOCIATED WITH A COMMUNICATIVE EVENT THAT PROVIDE RESOURCES FOR ITS APPROPRIATE INTERPRETATION

Context (literary); Co-text; Context of utterance; Context of situation; Verbal context; Linguistic context; Grammatical context; Syntactic context; Contextual variables; Pragmatic context; Lexical context; Context (semiotics)

In semiotics, linguistics, sociology and anthropology, context refers to those objects or entities which surround a focal event, in these disciplines typically a communicative event, of some kind. Context is "a frame that surrounds the event and provides resources for its appropriate interpretation".

https://en.wikipedia.org/wiki/Context_(language_use)

label edge router

NETWORK ROUTING SCHEME BASED ON LABELS IDENTIFYING PATHS

MPLS; Multi-protocol label switching; Multi-protocol Label Switching; Multi-Protocol Label Switching; Multi Protocol Label Switching; Multi protocol label switching; Multiprotocol label switching; Label switched path; Label-switched path; Label edge router; Label switch router; Label Switching Router; Tag switching; Transit router; IP/MPLS; Label Edge Router; Label Switch Router; Label switching router; Mofrr; Label Switched Path

<networking> (LER) A device that sits at the edge of an {MPLS domain}, that uses routing information to assign labels to datagrams and then forwards them into the MPLS domain. (1999-06-14)

Context-free grammar

$C programming language]] (left), and a derivation of a piece of C code (right) from the nonterminal symbol <math>\langle\text{Stmt}\rangle</math>. Nonterminal symbols are blue and terminal symbols are red.$

TYPE OF FORMAL GRAMMAR

Context free grammars; Context free grammar; Context-free grammars; Useless rules; Useless Rules; Proper grammar; Context-free Grammar; Content free grammar; Context free gramar; Rightmost derivation; Leftmost derivation; Left-sentential; Left sentential; Right-sentential; Right sentential; Context Free Grammar; Unreachable symbol; Unproductive symbol; Nonterminal nullability; Ε-production

In formal language theory, a context-free grammar (CFG) is a formal grammar whose production rules are of the form

https://en.wikipedia.org/wiki/Context-free_grammar

Multiprotocol Label Switching

NETWORK ROUTING SCHEME BASED ON LABELS IDENTIFYING PATHS

MPLS; Multi-protocol label switching; Multi-protocol Label Switching; Multi-Protocol Label Switching; Multi Protocol Label Switching; Multi protocol label switching; Multiprotocol label switching; Label switched path; Label-switched path; Label edge router; Label switch router; Label Switching Router; Tag switching; Transit router; IP/MPLS; Label Edge Router; Label Switch Router; Label switching router; Mofrr; Label Switched Path

Multiprotocol Label Switching (MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on labels rather than network addresses. Whereas network addresses identify endpoints the labels identify established paths between endpoints.

https://en.wikipedia.org/wiki/Multiprotocol_Label_Switching

Википедия

Context switch

In computing, a context switch is the process of storing the state of a process or thread, so that it can be restored and resume execution at a later point, and then restoring a different, previously saved, state. This allows multiple processes to share a single central processing unit (CPU), and is an essential feature of a multitasking operating system. In a traditional CPU, each process - a program in execution - utilizes the various CPU registers to store data and hold the current state of the running process. However, in a multitasking operating system, the operating system switches between processes or threads to allow the execution of multiple processes simultaneously. For every switch, the operating system must save the state of the currently running process, followed by loading the next process state, which will run on the CPU. This sequence of operations that stores the state of the running process and the loading of the following running process is called a context switch.

The precise meaning of the phrase "context switch" varies. In a multitasking context, it refers to the process of storing the system state for one task, so that task can be paused and another task resumed. A context switch can also occur as the result of an interrupt, such as when a task needs to access disk storage, freeing up CPU time for other tasks. Some operating systems also require a context switch to move between user mode and kernel mode tasks. The process of context switching can have a negative impact on system performance.^: 28

https://en.wikipedia.org/wiki/Context switch