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A comment on Not Just Any Old Geek. Parent comment

Re:Not Just Any Old Geek by jimbokun on Wednesday September 28, 2016 @11:16AM (#12598303)
"nobody these days rolls their own SQRT function to squeeze out a few extra CPU cycles"

Um, nobody did this 20 years ago, either.

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Re:Not Just Any Old Geek by atoko on Wednesday September 28, 2016 @11:33AM (#12598481)
https://en.wikipedia.org/wiki/Fast_inverse_square_root

Not exactly SQRT, but.

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Re:Not Just Any Old Geek by emodendroket on Wednesday September 28, 2016 @12:34PM (#12599060)
Also an incredibly specialized case and in those kinds of extremely performance-intensive scenarios it might still make sense.
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