RISC I

E339011

RISC I is an early experimental reduced instruction set computer (RISC) processor design developed at UC Berkeley that helped pioneer and popularize the RISC architecture approach.

All labels observed (2)

Label Occurrences
RISC I canonical 3
RISC I microprocessor 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf RISC processor design ⓘ
experimental processor ⓘ
microprocessor architecture ⓘ
academicAdvisor David A. Patterson ⓘ
academicInstitution University of California, Berkeley ⓘ
architectureFamily RISC ⓘ
linked to: RISC architecture
basedOn reduced instruction set computing principles ⓘ
category Berkeley RISC project processors ⓘ
RISC microprocessors ⓘ
experimental microprocessors ⓘ
clockFrequency about 1 MHz ⓘ
countryOfOrigin United States ⓘ
demonstrated that simpler instruction sets can yield higher performance ⓘ
designedFor performance evaluation of RISC concepts ⓘ
research ⓘ
developer UC Berkeley Computer Science Division ⓘ
University of California, Berkeley ⓘ
dieSize approximately 77 mm^2 ⓘ
fabricationTechnology NMOS ⓘ
field computer architecture ⓘ
microprocessor design ⓘ
impact popularized RISC design in academia and industry ⓘ
inception 1981 ⓘ
early 1980s ⓘ
influenced MIPS architecture ⓘ
linked to: MIPS

RISC II ⓘ
SPARC architecture ⓘ
later commercial RISC processors ⓘ
influencedBy IBM 801 ⓘ
earlier CPU performance studies ⓘ
instructionEncoding fixed-length ⓘ
instructionSetType load-store ⓘ
notableFor helping pioneer RISC architecture approach ⓘ
large register file ⓘ
load-store architecture ⓘ
pipeline-friendly design ⓘ
simple fixed-length instruction set ⓘ
numberOfRegisters 32 ⓘ
pipeline simple instruction pipeline ⓘ
platform VLSI implementation ⓘ
projectLeader David A. Patterson ⓘ
publication “The Case for the Reduced Instruction Set Computer” ⓘ
linked to: RISC architecture
publicationYear 1980 ⓘ
registerWidth 32-bit ⓘ
researchGroup Berkeley RISC project ⓘ
successor RISC II ⓘ
transistorCount approximately 44,000 transistors ⓘ

How these facts were elicited

Referenced by (4)

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

SPARC → influencedBy → RISC I ⓘ
Berkeley RISC projects → notableWork → RISC I microprocessor ⓘ
linked to: RISC I
RISC II → basedOn → RISC I ⓘ