cold `./pants list ::`:
  tuple        9951708  +9942001
  set          7851229  +7845648
  StepRequest  3989446  +3989446
  Entry        2572224  +2572224
  dict         2305023  +2290572
  TaskNode     2287304  +2287304
  Return       1326623  +1326623
  Noop         1245601  +1245601
  list          902401   +890141
  Path          829217   +829216

warm `./pants list ::`:
  list            1344015   +441614
  dict            2698929   +393906
  PrimitiveField   456573   +228268
  set             7980165   +128934
  cell             109108    +54120
  Payload          104993    +52485
  tuple          10001832    +50124
  SourcesField     123210    +47967
  Scope             95369    +47680
  OrderedSet        94833    +47415

warm `./pants list ::`:
  list            1786018   +441936
  dict            3093212   +394283
  PrimitiveField   684841   +228268
  set             8109099   +128934
  cell             163228    +54120
  Payload          157478    +52485
  tuple          10051956    +50124
  SourcesField     171177    +47967
  Scope            143049    +47680
  OrderedSet       142248    +47415