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Duff's device

In the C programming language, Duff's device is a way of manually implementing loop unrolling by interleaving two syntactic constructs of C: the .mw-parser-output .monospaced{font-family:monospace,monospace}do-while loop and a switch statement. Its discovery is credited to Tom Duff in November 1983, when Duff was working for Lucasfilm and used it to…

Performance, Duff's technique & Mechanism

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Overview

Duff's technique

Mechanism

Simplified explanation

Performance

Advanced semantic analysis

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Map overview Semantic statistics

Duff's device

Nodes36
Edges35
Triples22
Avg. degree1.94
Density0.055556
Components1

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Duff's device

Top relations

related to Simplified explanation · 8
Duff's device → According, Duff's, For, However, If, Once, The, To
related to Mechanism · 7
Duff's device → At, Based, Duff's, In, Programming Language, Relaxed, The
see also · 6
Duff's device → C/C, Computed GOTOCoroutine, Computer, Duff's, Jensen's, Tatham
is a · 1
Duff's device → way of manually implementing loop unrolling by interleaving two syntactic constructs of C

Important terminology Word statistics

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Important terminology

device loop duff's remainder code number jump iterations case duff technique switch eight statement language unrolling unrolled assembly may used

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Duff's deviceis away of manually implementing loop unrolling by interleaving two syntactic constructs of C0.90text
Duff's devicerelated to MechanismBased0.60section
Duff's devicerelated to MechanismDuff's0.60section
Duff's devicerelated to MechanismThe0.60section
Duff's devicerelated to MechanismRelaxed0.60section
Duff's devicerelated to MechanismAt0.60section
Duff's devicerelated to MechanismProgramming Language0.60section
Duff's devicerelated to MechanismIn0.60section
Duff's devicerelated to Simplified explanationThe0.60section
Duff's devicerelated to Simplified explanationFor0.60section
Duff's devicerelated to Simplified explanationIf0.60section
Duff's devicerelated to Simplified explanationHowever0.60section

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