IBM Roadrunner supercomputer

E773457

petascale computer supercomputer

The IBM Roadrunner supercomputer was a pioneering petascale system that combined Cell Broadband Engine and x86 processors to become the first computer to sustain over one petaflop of performance.

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All labels observed (4)

Label	Occurrences
Roadrunner supercomputer	3
IBM Roadrunner supercomputer canonical	1
IBM Roadrunner supercomputer nodes (Cell-based components)	1
IBM supercomputer	1

How this entity was disambiguated

This entity first appeared as the object of triple T9027577 — 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: IBM Roadrunner supercomputer
Context triple: [Cell Broadband Engine, usedIn, IBM Roadrunner supercomputer]

A. Delta supercomputer
The Delta supercomputer is a high-performance computing system at the National Center for Supercomputing Applications designed to support advanced scientific research and data-intensive workloads.
B. Pleiades supercomputer
The Pleiades supercomputer is a high-performance computing system used by NASA for large-scale simulations and scientific research in fields such as aeronautics, space exploration, and climate modeling.
C. Frontera supercomputer
The Frontera supercomputer is a leadership-class high-performance computing system in the United States, designed to support cutting-edge academic and scientific research across a wide range of disciplines.
D. Frontier supercomputer
The Frontier supercomputer is a cutting-edge exascale computing system recognized as one of the world’s fastest and most powerful scientific research machines.
E. Cray XK7
Cray XK7 is a high-performance supercomputer architecture developed by Cray Inc., notable for combining traditional CPUs with GPU accelerators to achieve petascale computing power.
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: IBM Roadrunner supercomputer
Target entity description: The IBM Roadrunner supercomputer was a pioneering petascale system that combined Cell Broadband Engine and x86 processors to become the first computer to sustain over one petaflop of performance.

A. Delta supercomputer
The Delta supercomputer is a high-performance computing system at the National Center for Supercomputing Applications designed to support advanced scientific research and data-intensive workloads.
B. Pleiades supercomputer
The Pleiades supercomputer is a high-performance computing system used by NASA for large-scale simulations and scientific research in fields such as aeronautics, space exploration, and climate modeling.
C. Frontera supercomputer
The Frontera supercomputer is a leadership-class high-performance computing system in the United States, designed to support cutting-edge academic and scientific research across a wide range of disciplines.
D. Frontier supercomputer
The Frontier supercomputer is a cutting-edge exascale computing system recognized as one of the world’s fastest and most powerful scientific research machines.
E. Cray XK7
Cray XK7 is a high-performance supercomputer architecture developed by Cray Inc., notable for combining traditional CPUs with GPU accelerators to achieve petascale computing power.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	petascale computer ⓘ supercomputer ⓘ
achievedMilestone	first computer to sustain over one petaflop ⓘ
alsoKnownAs	Roadrunner supercomputer ⓘ linked to: IBM Roadrunner supercomputer
architecture	hybrid Cell and x86 architecture ⓘ
becameOperational	2008 ⓘ
benchmark	LINPACK ⓘ
city	Los Alamos ⓘ linked to: Los Alamos, New Mexico
commissionedBy	U.S. Department of Energy ⓘ
constructionStartDate	2006 ⓘ
cost	approximately 100 million US dollars ⓘ
country	United States ⓘ linked to: United States of America
countryOfOrigin	United States ⓘ linked to: United States of America
dateReachedTop500Rank1	June 2008 ⓘ
decommissioned	2013 ⓘ
energyEfficiency	about 444 megaflops per watt ⓘ
field	high-performance computing ⓘ
firstPetaflopDate	May 2008 ⓘ
firstPetascaleSystem	true ⓘ
hostInstitution	Los Alamos National Laboratory ⓘ linked to: Los Alamos Laboratory
interconnect	InfiniBand ⓘ
locatedIn	Los Alamos National Laboratory ⓘ linked to: Los Alamos Laboratory New Mexico ⓘ United States ⓘ linked to: United States of America
manufacturer	IBM ⓘ
memory	about 103 terabytes ⓘ
notableFor	first sustained petaflop performance on LINPACK benchmark ⓘ
numberOfNodes	approximately 3,000 compute nodes ⓘ
operatingSystem	Linux ⓘ
peakPerformance	1.7 petaflops ⓘ
powerConsumption	about 2.35 megawatts ⓘ
primaryUser	Los Alamos National Laboratory ⓘ linked to: Los Alamos Laboratory
processorType	Cell Broadband Engine ⓘ x86-64 ⓘ
projectPartner	IBM ⓘ Los Alamos National Laboratory ⓘ linked to: Los Alamos Laboratory
state	New Mexico ⓘ
storageCapacity	about 1.7 petabytes ⓘ
successorInTop500Rank1	Cray Jaguar ⓘ linked to: Cray XT5
sustainedPerformance	1.026 petaflops ⓘ
top500List	June 2008 TOP500 list ⓘ
top500Rank	1 ⓘ
usedFor	national security applications ⓘ nuclear weapons simulations ⓘ scientific computing ⓘ
usedProcessorModel	AMD Opteron ⓘ IBM PowerXCell 8i ⓘ

How these facts were elicited