DEC Alpha
E805880
DEC Alpha is a 64-bit RISC microprocessor architecture developed by Digital Equipment Corporation in the early 1990s, known for its high performance and use in workstations and servers.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| DECchip 21064 | 0 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
64-bit architecture
ⓘ
RISC architecture ⓘ microprocessor ⓘ microprocessor architecture ⓘ |
| abbreviation | Alpha ⓘ |
| addressSpace | 64-bit virtual address space (with evolving implemented width) ⓘ |
| alsoKnownAs | Alpha AXP NERFINISHED ⓘ |
| architectureType | RISC ⓘ |
| bitness | 64 ⓘ |
| commercialStatus | discontinued ⓘ |
| designedFor | high-performance computing ⓘ |
| developer | Digital Equipment Corporation NERFINISHED ⓘ |
| discontinuationAnnouncedInYear | 2001 ⓘ |
| discontinuedBy | Hewlett-Packard NERFINISHED ⓘ |
| endianess | little-endian ⓘ |
| fabricationTechnology | CMOS ⓘ |
| firstImplementation | DECchip 21064 GENERATED ⓘ |
| followedBy |
EV5
ⓘ
EV6 NERFINISHED ⓘ EV7 NERFINISHED ⓘ |
| implementsArchitecture | DEC Alpha NERFINISHED ⓘ |
| influenced | later 64-bit RISC designs ⓘ |
| intendedSuccessorOf |
MIPS-based DEC systems
ⓘ
VAX NERFINISHED ⓘ |
| introducedInYear | 1992 ⓘ |
| laterOwnedBy |
Compaq
NERFINISHED
ⓘ
Hewlett-Packard NERFINISHED ⓘ |
| marketedBy | Digital Equipment Corporation NERFINISHED ⓘ |
| notableFeature |
designed for high clock frequency scalability
ⓘ
large register file ⓘ simple, clean instruction set ⓘ very long pipeline for high clock speeds ⓘ |
| primaryMarket |
enterprise servers
ⓘ
technical workstations ⓘ |
| registerFileType | load-store architecture ⓘ |
| supports |
out-of-order execution
ⓘ
pipelining ⓘ speculative execution ⓘ superscalar execution ⓘ virtual memory ⓘ |
| usedIn |
servers
ⓘ
supercomputers ⓘ workstations ⓘ |
| usedWithOperatingSystem |
Linux
NERFINISHED
ⓘ
OpenVMS NERFINISHED ⓘ Tru64 UNIX NERFINISHED ⓘ Windows NT NERFINISHED ⓘ various BSD variants ⓘ |
| wordSize | 64-bit ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.