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Push Ifs Up And Fors Down (matklad.github.io)
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[-] pipe01@lemmy.pipe01.net 1 points 11 months ago

You still need to read the variable in each iteration, but the cost of that is probably negligible

[-] declination@programming.dev 4 points 11 months ago* (last edited 11 months ago)

Modern optimizing compilers are magical. I would need to check assembly but I would actually expect the if to be hoisted out of the loop entirely to relieve pressure on the branch predictor.

this post was submitted on 17 Nov 2023
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