cpu_khz      delay      ideal        old   proposed
    667525        500        750        749        749
    667525       5000       7491       7490       7491
    667525      50000      74904      74903      74914
   2700995        500        186        185        185
   2700995       5000       1852       1851       1851
   2700995      50000      18512      18511      18518
   3125125        500        160        159        160
   3125125       5000       1600       1599       1600
   3125125      50000      16000      15999      16003