In the last couple of years, I've been doing a lot of SIMD programming and most of the time I've been relying on compiler intrinsic functions (such as the ones for SSE programming) or on prog...

I couldn't find much use of SIMD instructions (like SSE/AVX) in kernel (except one place where they were used to speedup parity computation of RAID6). Q1) Any specific reason for this or just the...