AltiVec

E41460
SIMD instruction set extension vector processing extension

AltiVec is a vector processing extension for the PowerPC architecture that accelerates multimedia, signal processing, and other parallelizable computations.

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All labels observed (6)

Label Occurrences
AltiVec canonical 11
AltiVec vector processing unit 2
AltiVec Technology Programming Interface Manual 1

Statements (49)

Predicate Object
instanceOf SIMD instruction set extension ⓘ
vector processing extension ⓘ
alternativeName VMX ⓘ
Velocity Engine ⓘ
applicationDomain 3D graphics ⓘ
audio processing ⓘ
digital signal processing ⓘ
image processing ⓘ
scientific computing ⓘ
video processing ⓘ
coDevelopedBy Apple Inc. ⓘ
IBM ⓘ
dataTypes 16 8-bit integers per vector ⓘ
4 32-bit floating-point values per vector ⓘ
4 32-bit integers per vector ⓘ
8 16-bit integers per vector ⓘ
designGoal improve performance of vectorizable code ⓘ
reduce number of scalar instructions ⓘ
feature rich set of permute and shuffle instructions ⓘ
separate vector register file from scalar registers ⓘ
support for byte-wise operations ⓘ
support for fixed-point arithmetic ⓘ
support for unaligned vector loads and stores ⓘ
introducedBy Motorola ⓘ
marketedAs Velocity Engine ⓘ
marketedBy Apple Inc. ⓘ
purpose accelerate multimedia workloads ⓘ
accelerate parallelizable computations ⓘ
accelerate signal processing workloads ⓘ
registerCount 32 vector registers ⓘ
registerWidth 128 bits ⓘ
similarTo NEON SIMD ⓘ
surface form: ARM NEON

Intel AVX ⓘ
Intel SSE ⓘ
standardizedAs VMX in Power ISA ⓘ
supports 128-bit vector registers ⓘ
floating-point vector operations ⓘ
integer vector operations ⓘ
permutation operations ⓘ
saturation arithmetic ⓘ
single-instruction multiple-data operations ⓘ
targetArchitecture PowerPC ⓘ
usedBy Mac OS applications on PowerPC ⓘ
embedded systems using PowerPC cores ⓘ
game consoles based on PowerPC ⓘ
usedIn Cell Broadband Engine PPE ⓘ
IBM POWER processors with VMX ⓘ
PowerPC G4 ⓘ
Power Mac G5 ⓘ
surface form: PowerPC G5

Referenced by (17)

Full triples — surface form annotated when it differs from this entity's canonical label.

PowerPC → supports → AltiVec ⓘ
PowerPC → hasExtension → AltiVec ⓘ
PowerPC → hasVariant → AltiVec ⓘ
this entity surface form: PowerPC 7400
PowerPC → hasVariant → AltiVec ⓘ
this entity surface form: PowerPC 7450
VMX → alsoKnownAs → AltiVec ⓘ
VMX → hasSpecification → AltiVec ⓘ
this entity surface form: AltiVec Technology Programming Interface Manual
PowerPC G4 → feature → AltiVec ⓘ
PowerPC G4 → hasExtension → AltiVec ⓘ
this entity surface form: AltiVec vector processing unit
Velocity Engine → alsoKnownAs → AltiVec ⓘ
Velocity Engine → basedOn → AltiVec ⓘ
this entity surface form: AltiVec technology
Velocity Engine → vendorNeutralName → AltiVec ⓘ
Vector Multimedia Extension → alsoKnownAs → AltiVec ⓘ
PowerPC G5 → supports → AltiVec ⓘ
Power Macintosh G4 (AGP Graphics) → supportsInstructionSet → AltiVec ⓘ
Power Mac G4 → notableFeature → AltiVec ⓘ
this entity surface form: AltiVec vector processing unit
G4 → supports → AltiVec ⓘ
PowerPC 74xx → supports → AltiVec ⓘ