They almost certainly do not, mostly because of how slow doing so is. | Hacker News

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		aidenn0 on July 14, 2016 \| parent \| context \| favorite \| on: Lepton image compression: saving 22% losslessly fr... They almost certainly do not, mostly because of how slow doing so is.

sliverstorm on July 14, 2016 [–]

It probably wouldn't hit the most important cases either, dedup is typically most powerful & valuable on large media files, software packages, disk ISO's, and the like which do not frequently have arbitrary text inserted at the start of the file!

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