Scale problem size
Terminated after 3470 steps.  Max. difference = 0.000100
800 rows.  12 processes.  0.84 seconds.  2220800000 grid point computations.  nanoseconds/comp. = 0.38
Terminated after 3513 steps.  Max. difference = 0.000100
1200 rows.  12 processes.  2.04 seconds.  5058720000 grid point computations.  nanoseconds/comp. = 0.40
Terminated after 3534 steps.  Max. difference = 0.000100
1600 rows.  12 processes.  5.35 seconds.  9047040000 grid point computations.  nanoseconds/comp. = 0.59
Terminated after 3547 steps.  Max. difference = 0.000100
2000 rows.  12 processes.  10.79 seconds.  14188000000 grid point computations.  nanoseconds/comp. = 0.76
Terminated after 3556 steps.  Max. difference = 0.000100
2400 rows.  12 processes.  18.25 seconds.  20482560000 grid point computations.  nanoseconds/comp. = 0.89
Terminated after 3563 steps.  Max. difference = 0.000100
2800 rows.  12 processes.  28.93 seconds.  27933920000 grid point computations.  nanoseconds/comp. = 1.04
Terminated after 3567 steps.  Max. difference = 0.000100
3200 rows.  12 processes.  38.32 seconds.  36526080000 grid point computations.  nanoseconds/comp. = 1.05
Terminated after 3571 steps.  Max. difference = 0.000100
3600 rows.  12 processes.  45.08 seconds.  46280160000 grid point computations.  nanoseconds/comp. = 0.97
Terminated after 3574 steps.  Max. difference = 0.000100
4000 rows.  12 processes.  54.42 seconds.  57184000000 grid point computations.  nanoseconds/comp. = 0.95
Terminated after 3576 steps.  Max. difference = 0.000100
4400 rows.  12 processes.  63.48 seconds.  69231360000 grid point computations.  nanoseconds/comp. = 0.92
Terminated after 3578 steps.  Max. difference = 0.000100
4800 rows.  12 processes.  73.12 seconds.  82437120000 grid point computations.  nanoseconds/comp. = 0.89
Terminated after 3580 steps.  Max. difference = 0.000100
5200 rows.  12 processes.  83.80 seconds.  96803200000 grid point computations.  nanoseconds/comp. = 0.87
Terminated after 3582 steps.  Max. difference = 0.000100
5600 rows.  12 processes.  94.32 seconds.  112331520000 grid point computations.  nanoseconds/comp. = 0.84
Terminated after 3583 steps.  Max. difference = 0.000100
6000 rows.  12 processes.  106.70 seconds.  128988000000 grid point computations.  nanoseconds/comp. = 0.83
Terminated after 3584 steps.  Max. difference = 0.000100
6400 rows.  12 processes.  119.28 seconds.  146800640000 grid point computations.  nanoseconds/comp. = 0.81
Terminated after 3585 steps.  Max. difference = 0.000100
6800 rows.  12 processes.  131.18 seconds.  165770400000 grid point computations.  nanoseconds/comp. = 0.79
Terminated after 3586 steps.  Max. difference = 0.000100
7200 rows.  12 processes.  146.19 seconds.  185898240000 grid point computations.  nanoseconds/comp. = 0.79
Terminated after 3587 steps.  Max. difference = 0.000100
7600 rows.  12 processes.  159.67 seconds.  207185120000 grid point computations.  nanoseconds/comp. = 0.77
Terminated after 3587 steps.  Max. difference = 0.000100
8000 rows.  12 processes.  173.33 seconds.  229568000000 grid point computations.  nanoseconds/comp. = 0.76