Koomey's law

E232505

Koomey's law is an empirical observation that the energy efficiency of computing—measured as computations per unit of energy—has historically doubled roughly every 1.5 years.

All labels observed (2)

Label Occurrences
Koomey’s law 4
Koomey's law canonical 1

How this entity was disambiguated

Statements (40)

Predicate Object
instanceOf empirical observation ⓘ
law of computing ⓘ
trend in computing ⓘ
appliesTo digital computing ⓘ
general-purpose computing hardware ⓘ
microprocessors ⓘ
assumes continuation of historical technological progress in computing ⓘ
basedOn historical measurements of computations per kilowatt-hour ⓘ
category computing performance trends ⓘ
energy laws in information technology ⓘ
laws named after people ⓘ
concerns energy consumption of computation ⓘ
describes computations per unit of energy ⓘ
energy efficiency of computing ⓘ
historical improvement in computing energy efficiency ⓘ
field computer science ⓘ
energy efficiency ⓘ
information technology ⓘ
growthType exponential ⓘ
hasUncertainty rate of improvement may slow over time ⓘ
influences expectations about future computing energy use ⓘ
isAbout improvement in energy efficiency of information processing ⓘ
mainClaim computations per unit of energy double roughly every 1.5 years ⓘ
energy efficiency of computing doubles at a regular exponential rate ⓘ
metric computations per joule ⓘ
computations per kilowatt-hour ⓘ
namedAfter Jonathan Koomey ⓘ
proposedBy Jonathan Koomey ⓘ
publicationYear 2011 ⓘ
relatedTo Dennard scaling ⓘ
Landauer's principle ⓘ
Moore's law ⓘ
scope historical trend from mid-20th century onward ⓘ
status empirical regularity ⓘ
subjectOf research on data center energy use ⓘ
studies of computing sustainability ⓘ
timeConstant 1.5 years ⓘ
usedIn energy policy analysis for ICT ⓘ
projections of data center energy demand ⓘ
technology forecasting ⓘ

How these facts were elicited

Referenced by (5)

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

Moore's law → relatedConcept → Koomey's law ⓘ
Jonathan Koomey → knownFor → Koomey’s law ⓘ
linked to: Koomey's law
Jonathan Koomey → notableConcept → Koomey’s law ⓘ
linked to: Koomey's law
Jonathan Koomey → formulated → Koomey’s law ⓘ
linked to: Koomey's law
Jonathan Koomey → hasConceptNamedAfter → Koomey’s law ⓘ
linked to: Koomey's law