Parsing integers quickly with AVX-512
17 cycles still seems pretty slow compared to the methods explored in this article, which got the result down to 0.75ns (~3 cycles?) (for integer strings of a known length):<p><a href="https://kholdstare.github.io/technical/2020/05/26/faster-integer-parsing.html" rel="nofollow noreferrer">https://kholdstare.github.io/technical/2020/05/26/faster-int...</a><p>Most of the overhead is found in dealing with variable length input, minus signs, and overflow checking.