RV128I

E193747

RV128I is a proposed 128-bit base integer instruction set architecture variant within the RISC-V family, designed to support very large address spaces and high-precision computation.

All labels observed (1)

Label Occurrences
RV128I canonical 1

How this entity was disambiguated

Statements (31)

Predicate Object
instanceOf RISC-V base integer instruction set architecture
computer architecture proposal
instruction set architecture
addressSpaceCapability larger than 64-bit address space
architectureFamily RISC-V
backwardCompatibilityGoal conceptual compatibility with existing RISC-V software model where feasible
baseISAType integer
bitWidth 128-bit
compatibleWith RISC-V
surface form: RISC-V modular extension scheme
designedFor future-proofing address space limitations beyond 64-bit
designGoal support high-precision computation
support very large address spaces
designParadigm reduced instruction set computing (RISC)
documentationStatus discussed in RISC-V community and roadmap documents
endiannessModel expected to follow RISC-V endianness conventions (typically little-endian)
extensionPotential can be combined with 128-bit-capable vector extensions when defined
generalPurposeRegisterCount intended to match other RISC-V base ISAs (32 GPRs) when fully specified
namingConvention RISC-V base ISA naming (RV + XLEN + I)
numericTypeFocus integer operations with 128-bit word size
primaryMotivation overcome limitations of 64-bit address and integer ranges
registerWidth 128-bit integer registers
relatedTo RISC-V
surface form: RV32I

RISC-V
surface form: RV64I
specificationBody RISC-V International
surface form: RISC-V International (for future standardization)
standardizationStatus not yet ratified in the RISC-V ISA standard
status proposed
supportsExtensionModel RISC-V standard extensions (e.g., M, A, F, D, V) when defined for 128-bit
targetUseCase high-end servers and supercomputers
high-precision numerical workloads
systems requiring extremely large virtual memory
xlen 128

How these facts were elicited

Referenced by (1)

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

RISC-V hasBaseISA RV128I