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- Duffs_device abstract "In the C programming language, Duff's device is a way of (manually) implementing loop unrolling by interleaving two syntactic constructs of C, the do-while loop construct, and a switch statement. Its discovery is credited to Tom Duff in November 1983, who at the time was working for Lucasfilm and used it to speed up a real-time animation program.Loop unrolling attempts to reduce the overhead of conditional branching needed to check whether a loop is done, by executing a batch of loops bodies per iteration. To handle cases where the number of iterations is not divisible by the unrolled-loop increments, a common technique among assembly programmers is to jump directly into the middle of the unrolled loop body to handle the remainder.Duff was looking to implement this technique in C, and succeeded in doing so by using C's case label fall-through feature to jump into the unrolled body.When used with modern optimizing compilers, Duff's device may no longer provide any performance improvements.".
- Duffs_device wikiPageExternalLink coroutines.html.
- Duffs_device wikiPageExternalLink threadring-with-protothreads.
- Duffs_device wikiPageExternalLink pigeons-device.html.
- Duffs_device wikiPageExternalLink duffs-device.html.
- Duffs_device wikiPageExternalLink pt.
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- Duffs_device wikiPageRevisionID "707532371".
- Duffs_device wikiPageWikiLink Assembly_language.
- Duffs_device wikiPageWikiLink Benchmark_(computing).
- Duffs_device wikiPageWikiLink Bjarne_Stroustrup.
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- Duffs_device wikiPageWikiLink C_(programming_language).
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- Duffs_device wikiPageWikiLink Category:C_(programming_language).
- Duffs_device wikiPageWikiLink Category:Computer_folklore.
- Duffs_device wikiPageWikiLink Coroutine.
- Duffs_device wikiPageWikiLink Duffs_device.
- Duffs_device wikiPageWikiLink Instruction_pipelining.
- Duffs_device wikiPageWikiLink Jargon_File.
- Duffs_device wikiPageWikiLink Loop_unrolling.
- Duffs_device wikiPageWikiLink Lucasfilm.
- Duffs_device wikiPageWikiLink O.
- Duffs_device wikiPageWikiLink Optimizing_compiler.
- Duffs_device wikiPageWikiLink Pointer_(computer_programming).
- Duffs_device wikiPageWikiLink Switch_statement.
- Duffs_device wikiPageWikiLink The_C++_Programming_Language.
- Duffs_device wikiPageWikiLink The_C_Programming_Language.
- Duffs_device wikiPageWikiLink Tom_Duff.
- Duffs_device wikiPageWikiLinkText "Duff's device".
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- Duffs_device subject Category:Articles_with_example_C_code.
- Duffs_device subject Category:C_(programming_language).
- Duffs_device subject Category:Computer_folklore.
- Duffs_device hypernym Way.
- Duffs_device type Redirect.
- Duffs_device comment "In the C programming language, Duff's device is a way of (manually) implementing loop unrolling by interleaving two syntactic constructs of C, the do-while loop construct, and a switch statement.".
- Duffs_device label "Duff's device".
- Duffs_device label "Duffs device".
- Duffs_device sameAs Q1264012.
- Duffs_device sameAs Duff’s_Device.
- Duffs_device sameAs Dispositivo_de_Duff.
- Duffs_device sameAs دستگاه_داف.
- Duffs_device sameAs Duffs_device.
- Duffs_device sameAs Mechanizm_Duffa.
- Duffs_device sameAs m.02brdg.
- Duffs_device sameAs Метод_Даффа.
- Duffs_device sameAs Duff_aygıtı.
- Duffs_device sameAs Q1264012.
- Duffs_device sameAs 达夫设备.
- Duffs_device wasDerivedFrom Duffs_device?oldid=342709348.
- Duffs_device wasDerivedFrom Duffs_device?oldid=707532371.
- Duffs_device isPrimaryTopicOf Duffs_device.