############ Natural-region vs post-EOS divergence locus ############
[eager B64 on(bf16) vs off] arms=64 diverged=21 natural_region=1 post_EOS_forced=20
  arm  first_diff  first_EOS_in_OFF  locus
    1          53             None  NATURAL
    7          13                3  post-EOS
    8          13                3  post-EOS
    9          13                3  post-EOS
   18          13                3  post-EOS
   22           6                3  post-EOS
   26           6                3  post-EOS
   27          83                3  post-EOS
   28           6                3  post-EOS
   29          54                3  post-EOS
   30          56                3  post-EOS
   36           7                3  post-EOS
   37          55                3  post-EOS
   47          13                3  post-EOS
   53          15                4  post-EOS
   56          15                4  post-EOS
   57          15                4  post-EOS
   58          15                4  post-EOS
   59          15                4  post-EOS
   62           8                4  post-EOS
   63          62                4  post-EOS
  natural-prefix exact match: 63/64

[eager B64 on_fp32 vs off] arms=64 diverged=14 natural_region=1 post_EOS_forced=13
  arm  first_diff  first_EOS_in_OFF  locus
    1          53             None  NATURAL
    8          13                3  post-EOS
    9          13                3  post-EOS
   13          47                3  post-EOS
   21          54                3  post-EOS
   22           6                3  post-EOS
   27          12                3  post-EOS
   29          54                3  post-EOS
   30          56                3  post-EOS
   37          55                3  post-EOS
   38          55                3  post-EOS
   40          62                3  post-EOS
   56          15                4  post-EOS
   63          15                4  post-EOS
  natural-prefix exact match: 63/64

[SHIM graph B64 on vs off] arms=64 diverged=22 natural_region=1 post_EOS_forced=21
  arm  first_diff  first_EOS_in_OFF  locus
    1          53             None  NATURAL
    7          13                3  post-EOS
    8          13                3  post-EOS
    9          13                3  post-EOS
   18          13                3  post-EOS
   22           6                3  post-EOS
   26           6                3  post-EOS
   27          83                3  post-EOS
   28           6                3  post-EOS
   29          54                3  post-EOS
   30          56                3  post-EOS
   36           7                3  post-EOS
   38          55                3  post-EOS
   42          55                3  post-EOS
   47          13                3  post-EOS
   53          15                4  post-EOS
   56          15                4  post-EOS
   57          15                4  post-EOS
   58          15                4  post-EOS
   59          15                4  post-EOS
   62           8                4  post-EOS
   63          62                4  post-EOS
  natural-prefix exact match: 63/64

[eager B32 on vs off] arms=32 diverged=7 natural_region=1 post_EOS_forced=6
  arm  first_diff  first_EOS_in_OFF  locus
    1         103             None  NATURAL
   21          54                3  post-EOS
   22          62                3  post-EOS
   26          72                3  post-EOS
   27          12                3  post-EOS
   29          54                3  post-EOS
   30          56                3  post-EOS
  natural-prefix exact match: 31/32
