UltraSPARC T1
E350729
UltraSPARC T1 is a multi-core, multi-threaded SPARC microprocessor from Sun Microsystems designed to deliver high throughput and energy-efficient performance for server workloads.
All labels observed (1)
| Label | Occurrences |
|---|---|
| UltraSPARC T1 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3245283 — 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: UltraSPARC T1 Context triple: [UltraSPARC servers, processorFamily, UltraSPARC T1]
-
A.
UltraSPARC I
UltraSPARC I is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC family, used in early UltraSPARC-based servers and workstations in the mid-1990s.
-
B.
UltraSPARC IV
UltraSPARC IV is a 64-bit RISC microprocessor from Sun Microsystems designed to power high-end UltraSPARC server systems with improved performance and scalability.
-
C.
UltraSPARC III
UltraSPARC III is a 64-bit RISC microprocessor from Sun Microsystems designed to power high-performance UltraSPARC server systems.
-
D.
UltraSPARC II
UltraSPARC II is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC line, widely used in mid- to late-1990s Sun servers and workstations for enterprise and technical computing.
-
E.
UltraSPARC servers
UltraSPARC servers are high-performance, RISC-based server systems developed by Sun Microsystems, built around the UltraSPARC processor architecture for enterprise and technical computing workloads.
- 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: UltraSPARC T1 Target entity description: UltraSPARC T1 is a multi-core, multi-threaded SPARC microprocessor from Sun Microsystems designed to deliver high throughput and energy-efficient performance for server workloads.
-
A.
UltraSPARC I
UltraSPARC I is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC family, used in early UltraSPARC-based servers and workstations in the mid-1990s.
-
B.
UltraSPARC IV
UltraSPARC IV is a 64-bit RISC microprocessor from Sun Microsystems designed to power high-end UltraSPARC server systems with improved performance and scalability.
-
C.
UltraSPARC III
UltraSPARC III is a 64-bit RISC microprocessor from Sun Microsystems designed to power high-performance UltraSPARC server systems.
-
D.
UltraSPARC II
UltraSPARC II is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC line, widely used in mid- to late-1990s Sun servers and workstations for enterprise and technical computing.
-
E.
UltraSPARC servers
UltraSPARC servers are high-performance, RISC-based server systems developed by Sun Microsystems, built around the UltraSPARC processor architecture for enterprise and technical computing workloads.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
SPARC microprocessor
ⓘ
microprocessor ⓘ multi-core processor ⓘ multi-threaded processor ⓘ |
| alsoKnownAs | Niagara ⓘ |
| architecture |
SPARC microprocessor architecture
ⓘ
surface form:
SPARC V9
|
| clockFrequencyRange | 1.0 GHz to 1.2 GHz ⓘ |
| coherencyProtocol | directory-based cache coherence ⓘ |
| companyCountry |
United States of America
ⓘ
surface form:
United States
|
| coreCount |
4
ⓘ
6 ⓘ 8 ⓘ |
| designedFor | throughput-oriented workloads ⓘ |
| designer | Sun Microsystems ⓘ |
| designGoal |
energy-efficient performance
ⓘ
high throughput ⓘ |
| floatingPointUnits | 1 ⓘ |
| floatingPointUnitSharing | one shared FPU for all cores ⓘ |
| introductionYear | 2005 ⓘ |
| L1DataCachePerCore | 8 KB ⓘ |
| L1InstructionCachePerCore | 16 KB ⓘ |
| L2CacheAssociativity | 12-way set associative ⓘ |
| L2CacheShared | 3 MB ⓘ |
| maxCoreCount | 8 ⓘ |
| maxHardwareThreads | 32 ⓘ |
| notOptimizedFor | single-thread performance ⓘ |
| onChipComponents |
JBus interface
ⓘ
L2 cache ⓘ crossbar interconnect ⓘ memory controllers ⓘ |
| packageType | FC-BGA ⓘ |
| pipelineType | in-order ⓘ |
| powerEfficiencyFocus | yes ⓘ |
| primaryUseCase |
application servers
ⓘ
database servers ⓘ web servers ⓘ |
| processTechnology | 90 nm ⓘ |
| successor | UltraSPARC T2 ⓘ |
| supports |
Solaris operating system
ⓘ
chip multithreading ⓘ symmetric multiprocessing systems ⓘ |
| targetMarket | server workloads ⓘ |
| threadsPerCore | 4 ⓘ |
| transistorCount | 279 million ⓘ |
| usedIn |
Sun Fire servers
ⓘ
surface form:
Sun Fire T1000 servers
Sun Fire servers ⓘ
surface form:
Sun Fire T2000 servers
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: UltraSPARC T1 Description of subject: UltraSPARC T1 is a multi-core, multi-threaded SPARC microprocessor from Sun Microsystems designed to deliver high throughput and energy-efficient performance for server workloads.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.