March guide

architectures.txt

Generic
x86-64    : Processors lacking SSE4.2 and newer features
x86-64-v2 : Processors with features up to and including SSE4.2
x86-64-v3 : Processors with features up to and including AVX AND AVX2
x86-64-v4 : Processors with features up to and including AVX512

AMD
Generation                   Archit.  Generic Build / Recommended build
Ryzen 1000                   AVX2     x86-64-v3 / znver1
Ryzen 2000                   AVX2     x86-64-v3 / znver1
Ryzen 3000                   AVX2     x86-64-v3 / znver2
Ryzen 4000                   AVX2     x86-64-v3 / znver2
Ryzen 5000                   AVX2     x86-64-v3 / znver3
Ryzen 7000                   AVX-512  x86-64-v4 / znver4

INTEL
Generation                  Archit.  Generic Build / Recommended build
Sandybridge (2000-series)   AVX      x86-64-v2 / sandybridge
Ivybridge   (3000-series)   AVX      x86-64-v2 / ivybridge
Haswell     (4000-series)   AVX2     x86-64-v3 / haswell
Broadwell   (5000-series)   AVX2     x86-64-v3 / broadwell
Skylake     (6000-series)   AVX2     x86-64-v3 / skylake
Kaby Lake   (7000-series)   AVX2     x86-64-v3 / skylake
Coffee Lake (8/9000-series) AVX2     x86-64-v3 / skylake
Comet Lake  (10000-series)  AVX2     x86-64-v3 / skylake
Rocket Lake (11000-series)  AVX-512  x86-64-v4 / rocketlake
Alder Lake  (12000-series)  AVX2     x86-64-v3 / alderlake
Raptor Lake (13000-series)  AVX2     x86-64-v3 / raptorlake