examples/msg/actions/actions_bcast.txt

   1 process0 comm_size 3
   2 process0 bcast 5e8
   3 process1 bcast 5e8
   4 process2 bcast 5e8
   5
   6 process0 compute 5e8
   7 process1 compute 2e8
   8 process2 compute 5e8
   9
  10 process0 bcast 5e8
  11 process1 bcast 5e8
  12 process2 bcast 5e8
  13
  14 process0 compute 5e8
  15 process1 compute 2e8
  16 process2 compute 5e8
  17
  18 process0 reduce 5e8 5e8
  19 process1 reduce 5e8 5e8
  20 process2 reduce 5e8 5e8
  21
  22