petaflop

noun

peta·​flop ˈpe-tə-ˌfläp How to pronounce petaflop (audio)
plural petaflops
: a unit of measure for the calculating speed of a computer equal to one quadrillion floating-point operations per second
The high-performance computing goal, known as a petaflop—one thousand trillion calculations per second—has long been viewed as a crucial milestone by military, technical and scientific organizations in the United States, as well as a growing group including Japan, China and the European Union.John Markoff

Examples of petaflop in a Sentence

Recent Examples on the Web
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Our research shows that starting at around 10 16 floating-point operations per second (tens of petaflops) the superconducting computer handily becomes more power efficient than its classical cousin. IEEE Spectrum, 15 May 2024

Word History

Etymology

peta- + flop entry 4

First Known Use

1990, in the meaning defined above

Time Traveler
The first known use of petaflop was in 1990

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Cite this Entry

“Petaflop.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petaflop. Accessed 9 Sep. 2025.

Last Updated: - Updated example sentences
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