text: #from https://docs.google.com/spreadsheets/d/1I-lv-JMGyMzM04IdTxaxpPQy2GJk3a_s-_gu4xe2DIE/edit#gid=2107537003
  #
  #Size(B) rSync  wSync  rAsync  wAsync           Linerate
  1	 1.879	2.214  8.077   8.212		9.4
  2	 3.728	4.460  8.878   9.130		9.4
  4	 7.368	8.640  8.889   9.130		9.4
  8	 8.880	9.132  8.889   9.130		9.4
  12	 8.880	9.132  8.889   9.130		9.4
  16	 8.880	9.132  8.889   9.130		9.4
  