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Great stuff!

A minor nitpick on the copy (and even then, it might just be me): I find "97% speedup" and "50% speedup" really hard to parse — a "30x speedup" or "97% reduction of time taken" immediately tell me what is being achieved!

Great results once I get my head around them, though!

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Fwiw I'm pretty sure 97% speedup is 197% of the speed of the baseline, so roughly double.

That's why it's confusing: "2x speedup" would clearly indicate 200% of the current speed, so 97% speedup is unclear if it's a multiple (not because that would be a slow down), a reduction in time (which was my assumption) or an increase in speed (something per unit of time).

I guess you are right and it's probably the latter, but obviously better language would have avoided any doubt.

I understand it as " the speed increases by 97%"

yeah indeed choice of language might not be ideal, it seems like 2x language is clearest to folks? I can make some quick edits to the article

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