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
AltiVec technology	1
PowerPC 7400	1
PowerPC 7450	1

How this entity was disambiguated

This entity first appeared as the object of triple T321856 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: AltiVec
Context triple: [PowerPC, supports, AltiVec]

A. PowerPC
PowerPC is a RISC-based microprocessor architecture developed in the early 1990s by the AIM alliance (Apple, IBM, and Motorola) and used in a wide range of computers, embedded systems, and game consoles.
B. Motorola 68000 family
The Motorola 68000 family is a line of 16/32-bit CISC microprocessors widely used in early personal computers, workstations, and game consoles during the 1980s and early 1990s.
C. ARM
ARM is a family of energy-efficient RISC processor architectures widely used in mobile devices, embedded systems, and increasingly in laptops and servers.
D. MIPS
MIPS is a RISC (Reduced Instruction Set Computer) processor architecture widely used in embedded systems, networking equipment, and academic settings.
E. AIX
AIX is IBM’s proprietary Unix operating system designed for enterprise servers and high-reliability, scalable computing environments.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

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

A. PowerPC
PowerPC is a RISC-based microprocessor architecture developed in the early 1990s by the AIM alliance (Apple, IBM, and Motorola) and used in a wide range of computers, embedded systems, and game consoles.
B. Motorola 68000 family
The Motorola 68000 family is a line of 16/32-bit CISC microprocessors widely used in early personal computers, workstations, and game consoles during the 1980s and early 1990s.
C. ARM
ARM is a family of energy-efficient RISC processor architectures widely used in mobile devices, embedded systems, and increasingly in laptops and servers.
D. MIPS
MIPS is a RISC (Reduced Instruction Set Computer) processor architecture widely used in embedded systems, networking equipment, and academic settings.
E. AIX
AIX is IBM’s proprietary Unix operating system designed for enterprise servers and high-reliability, scalable computing environments.
F. None of above. chosen

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

How these facts were elicited

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 ⓘ

All labels observed (6)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (17)

How this entity was disambiguated

How these facts were elicited