4 ms·

Your compiler very likely assumes strict aliasing at whatever optimization level you're already using, so restrict usually won't do much. GCC does at O2, keil (

Your compiler very likely assumes strict aliasing at whatever optimization level you're already using, so restrict usually won't do much. GCC does at O2, keil (and clang?) at O1.

legobmw99 2y ago
“strict aliasing” refers to disallowing pointers of different types to alias. In the context of a function that accepts two arrays of floats, for example, it doesn’t apply
nitwit005 2y ago
That looks correct from playing around in godbolt.