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Bit array

A bit array (also known as bit map, bit set, bit string, or bit vector) is an array data structure that compactly stores bits. It can be used to implement a simple set data structure.

Applications, Language support & Basic operations

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Overview

Definition

Basic operations

More complex operations

Compression

Advantages and disadvantages

Applications

Examples

  • IPv4
  • RAM Random-access memory
  • Go Go (programming language)

Language support

Advanced semantic analysis

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Map overview Semantic statistics

Bit array

Nodes85
Edges84
Triples54
Avg. degree1.98
Density0.023529
Components1

How this topic connects Entity context

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Bit array

Top relations

related to Language support · 10
Bit array → All, APL Next, APL2, Bit, Bits, Boolean, Dyalog APL, Gnu APL, NARS2000, The APL
related to Definition · 7
Bit array → As, Assuming, Boolean, In, The, This, Whether
related to Compression · 6
Bit array → Bitmap, But, For, However, Run-length, Thus
has application · 5
Bit array → Because, Bit, Boolean, Linux, Most
related to Population / Hamming weight · 5
Bit array → Counting, Hamming, If, See, We
related to Advantages and disadvantages · 3
Bit array → Because, Bit, They
related to Find first one · 3
Bit array → The, To, When
is a · 2
Bit array → mapping from some domain, most dense storage for

Important terminology Word statistics

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Important terminology

bit bits arrays array set operations data displaystyle number used word using also may one size space values words use

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Bit arrayis amapping from some domain0.90text
Bit arrayis amost dense storage for0.90text
summing the bits via a table lookup of bytes.The C programming language's bit fieldsinstance ofas well as through all of the usual primitive functions and operators where they are often operated on using a special case algorithm0.80text
pseudo-objects found in structs with size equal to some number of bitsinstance ofas well as through all of the usual primitive functions and operators where they are often operated on using a special case algorithm0.80text
are in fact small bit arraysinstance ofas well as through all of the usual primitive functions and operators where they are often operated on using a special case algorithm0.80text
VHDLinstance ofwhere n is a positive integer.Hardware description languages0.80text
Veriloginstance ofwhere n is a positive integer.Hardware description languages0.80text
and SystemVerilog natively support bit vectors as these are used to model storage elements like flip-flopsinstance ofwhere n is a positive integer.Hardware description languages0.80text
hardware bussesinstance ofwhere n is a positive integer.Hardware description languages0.80text
hardware signals in generalinstance ofwhere n is a positive integer.Hardware description languages0.80text
OpenVerainstance ofIn hardware verification languages0.80text
einstance ofIn hardware verification languages0.80text

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