> architecture-specific features such as SSE/AVX which is not portable. I don’t have hands-on experience, but somewhere on HN I saw this: https://github.com/si

> architecture-specific features such as SSE/AVX which is not portable. I don’t have hands-on experience, but somewhere on HN I saw this: https://github.com/simd-everywhere/simde https://github.com/simd-everywhere/simde If starting a new cross-platform project today, I would try that library first, before doing the usual intrinsics.