collect   monitor  % diff
  1            0.7807727429012542            0.7860572312549295           -0.3449302269974777            0.0024718072964481            0.0025052699758651
  4            0.7699820416976035            0.7550288978442753           -0.3463958863763416            0.0022201090677904            0.0022381048519091
  0            1.7924846558832395
  3            1.1925030422167675