book1bwt enwik8bwt
fsmbase_v0   213659 21023203
fsmbase_v1   213525 21007893

f0mw  1,1!000010010001010 v0  o0 noise weight (static mix with 0.5)
      1,1!000101000000010 v1
f0wr0 1,1!110001101001001     o0 decay rate for other freq
      1,1!101111010110110 
f0wr1 1,1!110111001011101     o0 decay rate for current bit's freq
      1,1!111000101000010 
f1mw  1,1!000000000001011     o1
      1,1!000000000000111 
f1wr0 1,1!111110001100001   
      1,1!111110011101010 
f1wr1 1,1!111110101000000   
      1,1!111110101110010 
f0C   1,0!001000010011000     o0 extrapolation coef
      1,0!011000000000001 
f1C   1,0!001000010001000     o1 extrapolation coef
      1,0!010001101011000 
W_C   1,0!100011111111000     mix(o0,o1) extrapolation coef
      1,0!010000000000000     =1.0, no change
M_C   1,0!010000000000000     mixer weight extrapolation coef
      1,0!010101001000101 
X0W0  1,1!001100000111101     initial mixer weight
      1,1!001100000111101 
X0wr  1,0!0011101100000011    mixer weight update rate
      1,0!0001100100010001