Ubuntu has probably extended the life of my Macbook Air by ~a year: effectively 30% faster than OS X (quantifiable!), and rock solid.
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Replying to @cemerick
@cemerick 30% faster at what?

Oct 22, 2013 · 2:23 PM UTC

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Replying to @stilkov
@stilkov That's an aggregate measure that includes a lot of fudge for feel and qualitative stuff. However, my two quantitative measures are:
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@cemerick Interesting, seems rather counter-intuitive. Any verdict on battery life?
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Replying to @stilkov
@stilkov …a 100% boost in the perf of the "quick" regression test for PDFTextStream (2m15s => ~55s) (good mix of disk + CPU), and…
Replying to @stilkov
@stilkov …the general load represented by Firefox, which dropped from a constant 45% (with beachballs) to <10% (and responsive) w/ ubuntu.