Scale number of threads
Scale problem size
Terminated after 3470 steps.  Max. difference = 0.000100
800 rows.  24 processes.  1.49 seconds.  2220800000 grid point computations.  nanoseconds/comp. = 0.67
Terminated after 3513 steps.  Max. difference = 0.000100
1200 rows.  24 processes.  6.90 seconds.  5058720000 grid point computations.  nanoseconds/comp. = 1.36
Terminated after 3534 steps.  Max. difference = 0.000100
1600 rows.  24 processes.  12.60 seconds.  9047040000 grid point computations.  nanoseconds/comp. = 1.39
Terminated after 3547 steps.  Max. difference = 0.000100
2000 rows.  24 processes.  20.01 seconds.  14188000000 grid point computations.  nanoseconds/comp. = 1.41
Terminated after 3556 steps.  Max. difference = 0.000100
2400 rows.  24 processes.  26.71 seconds.  20482560000 grid point computations.  nanoseconds/comp. = 1.30
Terminated after 3563 steps.  Max. difference = 0.000100
2800 rows.  24 processes.  41.55 seconds.  27933920000 grid point computations.  nanoseconds/comp. = 1.49
Terminated after 3567 steps.  Max. difference = 0.000100
3200 rows.  24 processes.  55.05 seconds.  36526080000 grid point computations.  nanoseconds/comp. = 1.51
Terminated after 3556 steps.  Max. difference = 0.000100
2400 rows.  24 processes.  21.45 seconds.  20482560000 grid point computations.  nanoseconds/comp. = 1.05
Terminated after 3574 steps.  Max. difference = 0.000100
4000 rows.  24 processes.  83.61 seconds.  57184000000 grid point computations.  nanoseconds/comp. = 1.46
Terminated after 3576 steps.  Max. difference = 0.000100
4400 rows.  24 processes.  97.46 seconds.  69231360000 grid point computations.  nanoseconds/comp. = 1.41
Terminated after 3578 steps.  Max. difference = 0.000100
4800 rows.  24 processes.  114.22 seconds.  82437120000 grid point computations.  nanoseconds/comp. = 1.39
Terminated after 3580 steps.  Max. difference = 0.000100
5200 rows.  24 processes.  110.77 seconds.  96803200000 grid point computations.  nanoseconds/comp. = 1.14
Terminated after 3582 steps.  Max. difference = 0.000100
5600 rows.  24 processes.  143.98 seconds.  112331520000 grid point computations.  nanoseconds/comp. = 1.28
Terminated after 3583 steps.  Max. difference = 0.000100
6000 rows.  24 processes.  158.34 seconds.  128988000000 grid point computations.  nanoseconds/comp. = 1.23
Terminated after 3584 steps.  Max. difference = 0.000100
6400 rows.  24 processes.  181.72 seconds.  146800640000 grid point computations.  nanoseconds/comp. = 1.24
Terminated after 3585 steps.  Max. difference = 0.000100
6800 rows.  24 processes.  159.11 seconds.  165770400000 grid point computations.  nanoseconds/comp. = 0.96
Terminated after 3586 steps.  Max. difference = 0.000100
7200 rows.  24 processes.  184.44 seconds.  185898240000 grid point computations.  nanoseconds/comp. = 0.99
Terminated after 3587 steps.  Max. difference = 0.000100
7600 rows.  24 processes.  199.81 seconds.  207185120000 grid point computations.  nanoseconds/comp. = 0.96
Terminated after 3587 steps.  Max. difference = 0.000100
8000 rows.  24 processes.  257.94 seconds.  229568000000 grid point computations.  nanoseconds/comp. = 1.12