Comment by im2w1l | Hacker News Reader

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Comment by im2w1l | Hacker News Reader

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Is there a library with "optimal" implementations of functions such as these?

OS X and iOS have Accelerate.framework: https://developer.apple.com/library/mac/documentation/Accele...

In particular, see vDSP_sve and vDSP_sveD which compute single-precision and double-precision vector sums respectively.

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