Considering the form of both halves is the same, are compilers smart enough to v... | Hacker News

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		jacobolus on March 29, 2022 \| parent \| context \| favorite \| on: Implementing Cosine in C from Scratch (2020) Considering the form of both halves is the same, are compilers smart enough to vectorize this code?

adgjlsfhk1 on March 29, 2022 [–]

I might be wrong but I would think for something like this vectorizing wouldn't save time (since you would have to move data around before and afterwards. The real benefit of this is it lets you run two fma operations in parallel.

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