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XOR swap algorithm

In computer programming, the exclusive or swap (sometimes shortened to XOR swap) is an algorithm that uses the exclusive or bitwise operation to swap the values of two variables without using the temporary variable which is normally required.

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Overview

The algorithm

Proof of correctness

Code example

Reasons for avoidance in practice

Variations

Application to register allocation

Advanced semantic analysis

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Map overview Semantic statistics

XOR swap algorithm

Nodes48
Edges47
Triples29
Avg. degree1.96
Density0.041667
Components1

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XOR swap algorithm

Top relations

related to Variations · 9
XOR swap algorithm → For, L1, L4, Replacing XOR, The, Therefore, Unlike, XOR, Ycannot
related to Application to register allocation · 6
XOR swap algorithm → GPU, On, The, The XOR, This, XOR
related to The algorithm · 6
XOR swap algorithm → Conventional, Note, Since XOR, The, Using, XOR
related to Code example · 3
XOR swap algorithm → The, Without, XOR
see also · 3
XOR swap algorithm → Feistel, Symmetric, XOR
is a · 1
XOR swap algorithm → degenerate form of a Feistel cipher

Important terminology Word statistics

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Important terminology

xor algorithm swap operation displaystyle register registers values two using temporary storage first location swapping exclusive use instruction result oplus

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
XOR swap algorithmis adegenerate form of a Feistel cipher0.90text
modular arithmetic or bignums to guarantee that the computation ofXinstance ofthis variation requires that the underlying processor or programming language uses a method0.80text
XOR swap algorithmrelated to Application to register allocationOn0.60section
XOR swap algorithmrelated to Application to register allocationXOR0.60section
XOR swap algorithmrelated to Application to register allocationThis0.60section
XOR swap algorithmrelated to Application to register allocationThe XOR0.60section
XOR swap algorithmrelated to Application to register allocationThe0.60section
XOR swap algorithmrelated to Application to register allocationGPU0.60section
XOR swap algorithmrelated to Code exampleXOR0.60section
XOR swap algorithmrelated to Code exampleThe0.60section
XOR swap algorithmrelated to Code exampleWithout0.60section
XOR swap algorithmrelated to The algorithmConventional0.60section

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