The IPv4 Parser AI Couldn't Have Written
SWAR Zig AI I was reading Daniel Lemire’s blog, which I highly recommend; specifically: Parsing IP addresses quickly (portably, without SIMD magic) . Reading the title and given his track record, I braced myself for some sort of insane SWAR (SIMD Within A Register) parsing technique, maybe combined with obscure bit twiddling that I’m too stupid to understand without reading it 12 times, or…