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by hi_herbert 1367 days ago
I mean faster runtime performance, I have no clue about compilation time. Well I'm basing this on the countless benchmarks I've seen, e.g. on phoronix over the decade. Also you have to understand that Clang -O2 is (was) "unfair" as GCC did not enable autovectorization until -O3. This has (is being?) changed.