AVX-512F also introduced an embedded rounding and exception control in the instruction itself, which was a great pain for everyone doing accurate maths (e.g. in

AVX-512F also introduced an embedded rounding and exception control in the instruction itself, which was a great pain for everyone doing accurate maths (e.g. interval arithmetic). It's a great shame that Intel made all good bits of AVX-512 a hostage to the less important 512-bit vector width.