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Re:A 5x reduction in RAM usage with Zoekt memory optimizations by MichaelBurge on Thursday August 19, 2021 @07:44PM (#28240713)

    log(5x)  =  log(5) + log(x)
    log(x/5) = -log(5) + log(x)
So the difference is just a sign change on a log scale. And it's natural to use a log scale when working with percentage changes.
Re:A 5x reduction in RAM usage with Zoekt memory optimizations by rusk on Friday August 20, 2021 @04:19AM (#28243853)
Natural for who?

Perhaps better expressed as “5 fold”.