Don't trust your compiler. Your code is only fast if you're lucky.
https://tiki.li/blog/lucky_code.html
I agree you can't trust your compiler, but you can control its behavior more reliably with __builtin_expect_with_probability
https://github.com/protocolbuffers/protobuf/commit/9f29f02a3...
alt Hacker News
I agree you can't trust your compiler, but you can control its behavior more reliably with __builtin_expect_with_probability
https://github.com/protocolbuffers/protobuf/commit/9f29f02a3...