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VEX prefix

The VEX prefix (from "vector extensions") and VEX coding scheme are an extension to the x86-64 instruction set architecture for microprocessors from Intel, AMD and others. It was introduced with the AVX instruction set.

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Overview

Features

SSE Semantic difference

Instruction encoding

Technical description

History

Advanced semantic analysis

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Map overview Semantic statistics

VEX prefix

Nodes44
Edges43
Triples44
Avg. degree1.95
Density0.045455
Components1

How this topic connects Entity context

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VEX prefix

Top relations

related to history · 25
VEX prefix → Advanced Performance Extensions, AMD, AMD Bulldozer, AMD Piledriver, APX, AVX, Bulldozer, DREX, EVEX, FMA4, However, In August, In July, In March, In May, Intel, Intel Haswell, Intel's Sandy Bridge, REX2, SSE5
related to SSE Semantic difference · 8
VEX prefix → AVX, For, SIMD, SSE, There, VEX, When, While
related to Technical description · 7
VEX prefix → At, Instructions, IS4, SIMD XMM, The, The AVX, VEX
related to Instruction encoding · 3
VEX prefix → The VEX, Two, VEX
see also · 1
VEX prefix → REX

Important terminology Word statistics

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Important terminology

vex prefix instructions instruction registers register bits avx set opcode operand scheme used byte coding amd mode use three bit

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
VEX prefixrelated to historyIn August0.60section
VEX prefixrelated to historyAMD0.60section
VEX prefixrelated to historySSE50.60section
VEX prefixrelated to historyDREX0.60section
VEX prefixrelated to historyBulldozer0.60section
VEX prefixrelated to historyHowever0.60section
VEX prefixrelated to historyIn March0.60section
VEX prefixrelated to historyIntel0.60section
VEX prefixrelated to historyAVX0.60section
VEX prefixrelated to historyVEX0.60section
VEX prefixrelated to historyIn May0.60section
VEX prefixrelated to historyThe0.60section

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    Min side: 3
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