No explanation whatsoever. Why the branch predictor is not "invoked" in the firs... | Hacker News

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		zerr on Aug 24, 2023 \| parent \| context \| favorite \| on: Print(“lol”) doubled the speed of my Go function No explanation whatsoever. Why the branch predictor is not "invoked" in the first version of the function?

MauranKilom on Aug 24, 2023 [–]

Because it's most likely using a conditional move.

distcs on Aug 24, 2023 | [–]

But I don't see the post going into investigating this at all. Yes, most likely that is what is going on but I don't understand the point of the OP post is if the real reason of the difference in the branch predictor behavior is not explained.

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