process0 comm_size 3
process0 bcast 5e8
process1 bcast 5e8
process2 bcast 5e8

process0 compute 5e8
process1 compute 2e8
process2 compute 5e8

process0 bcast 5e8
process1 bcast 5e8
process2 bcast 5e8


process0 bcast 5e8
process1 bcast 5e8
process2 bcast 5e8