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- Fetch-and-add abstract "In computer science, the fetch-and-add CPU instruction is a special instruction that atomically modifies the contents of a memory location. It is used to implement mutual exclusion and concurrent algorithms in multiprocessor systems, a generalization of semaphores.In uniprocessor systems with no kernel preemption supported, it is sufficient to disable interrupts before accessing a critical section.However, in multiprocessor systems (even with interrupts disabled) two or more processors could be attempting to access the same memory at the same time. The fetch-and-add instruction allows any processor to atomically increment a value in memory, preventing such multiple processor collisions.Maurice Herlihy (1991) proved that fetch-and-add has a finite consensus number, in contrast to the compare-and-swap operation. The fetch-and-add operation can solve the wait-free consensus problem for no more than two concurrent processes.".
- Fetch-and-add wikiPageID "2050276".
- Fetch-and-add wikiPageLength "5162".
- Fetch-and-add wikiPageOutDegree "29".
- Fetch-and-add wikiPageRevisionID "674647653".
- Fetch-and-add wikiPageWikiLink 80486.
- Fetch-and-add wikiPageWikiLink 8086.
- Fetch-and-add wikiPageWikiLink Application_binary_interface.
- Fetch-and-add wikiPageWikiLink Atomic_(computer_science).
- Fetch-and-add wikiPageWikiLink C++11.
- Fetch-and-add wikiPageWikiLink C_(programming_language).
- Fetch-and-add wikiPageWikiLink Category:Computer_arithmetic.
- Fetch-and-add wikiPageWikiLink Category:Concurrency_control.
- Fetch-and-add wikiPageWikiLink Central_processing_unit.
- Fetch-and-add wikiPageWikiLink Compare-and-swap.
- Fetch-and-add wikiPageWikiLink Computer_science.
- Fetch-and-add wikiPageWikiLink Consensus_(computer_science).
- Fetch-and-add wikiPageWikiLink Critical_section.
- Fetch-and-add wikiPageWikiLink GNU_Compiler_Collection.
- Fetch-and-add wikiPageWikiLink Intel_80486.
- Fetch-and-add wikiPageWikiLink Intel_8086.
- Fetch-and-add wikiPageWikiLink Interrupt.
- Fetch-and-add wikiPageWikiLink Itanium.
- Fetch-and-add wikiPageWikiLink Kernel_preemption.
- Fetch-and-add wikiPageWikiLink Linearizability.
- Fetch-and-add wikiPageWikiLink Store-Conditional.
- Fetch-and-add wikiPageWikiLink store-conditional.
- Fetch-and-add wikiPageWikiLink Maurice_Herlihy.
- Fetch-and-add wikiPageWikiLink Mutual_exclusion.
- Fetch-and-add wikiPageWikiLink Semaphore_(programming).
- Fetch-and-add wikiPageWikiLink Test-and-set.
- Fetch-and-add wikiPageWikiLink Test_and_Test-and-set.
- Fetch-and-add wikiPageWikiLink Ticket_lock.
- Fetch-and-add wikiPageWikiLink Uniprocessor.
- Fetch-and-add wikiPageWikiLink Uniprocessor_system.
- Fetch-and-add wikiPageWikiLinkText "Fetch-and-add".
- Fetch-and-add wikiPageWikiLinkText "atomically incrementing or decrementing an integer".
- Fetch-and-add wikiPageWikiLinkText "fetch-and-add".
- Fetch-and-add hasPhotoCollection Fetch-and-add.
- Fetch-and-add wikiPageUsesTemplate Template:Mono.
- Fetch-and-add wikiPageUsesTemplate Template:Operating-system-stub.
- Fetch-and-add subject Category:Computer_arithmetic.
- Fetch-and-add subject Category:Concurrency_control.
- Fetch-and-add hypernym Instruction.
- Fetch-and-add type ProgrammingLanguage.
- Fetch-and-add comment "In computer science, the fetch-and-add CPU instruction is a special instruction that atomically modifies the contents of a memory location.".
- Fetch-and-add label "Fetch-and-add".
- Fetch-and-add sameAs Fetch-and-add.
- Fetch-and-add sameAs フェッチ・アンド・アッド.
- Fetch-and-add sameAs Fetch-and-add.
- Fetch-and-add sameAs m.06hlhl.
- Fetch-and-add sameAs Q127412.
- Fetch-and-add sameAs Q127412.
- Fetch-and-add wasDerivedFrom Fetch-and-add?oldid=674647653.
- Fetch-and-add isPrimaryTopicOf Fetch-and-add.