Scale number of threads
Scale problem size
Terminated after 3470 steps.  Max. difference = 0.000100
800 rows.  48 processes.  2.32 seconds.  2220800000 grid point computations.  nanoseconds/comp. = 1.04
Terminated after 3513 steps.  Max. difference = 0.000100
1200 rows.  48 processes.  3.72 seconds.  5058720000 grid point computations.  nanoseconds/comp. = 0.73
Terminated after 3534 steps.  Max. difference = 0.000100
1600 rows.  48 processes.  9.82 seconds.  9047040000 grid point computations.  nanoseconds/comp. = 1.09
Terminated after 3547 steps.  Max. difference = 0.000100
2000 rows.  48 processes.  19.16 seconds.  14188000000 grid point computations.  nanoseconds/comp. = 1.35
Terminated after 3556 steps.  Max. difference = 0.000100
2400 rows.  48 processes.  36.38 seconds.  20482560000 grid point computations.  nanoseconds/comp. = 1.78
Terminated after 3563 steps.  Max. difference = 0.000100
2800 rows.  48 processes.  57.66 seconds.  27933920000 grid point computations.  nanoseconds/comp. = 2.06
Terminated after 3567 steps.  Max. difference = 0.000100
3200 rows.  48 processes.  79.43 seconds.  36526080000 grid point computations.  nanoseconds/comp. = 2.17
Terminated after 3571 steps.  Max. difference = 0.000100
3600 rows.  48 processes.  95.49 seconds.  46280160000 grid point computations.  nanoseconds/comp. = 2.06
Terminated after 3574 steps.  Max. difference = 0.000100
4000 rows.  48 processes.  114.38 seconds.  57184000000 grid point computations.  nanoseconds/comp. = 2.00
Terminated after 3576 steps.  Max. difference = 0.000100
4400 rows.  48 processes.  120.15 seconds.  69231360000 grid point computations.  nanoseconds/comp. = 1.74
Terminated after 3578 steps.  Max. difference = 0.000100
4800 rows.  48 processes.  137.32 seconds.  82437120000 grid point computations.  nanoseconds/comp. = 1.67
Terminated after 3580 steps.  Max. difference = 0.000100
5200 rows.  48 processes.  152.19 seconds.  96803200000 grid point computations.  nanoseconds/comp. = 1.57
Terminated after 3582 steps.  Max. difference = 0.000100
5600 rows.  48 processes.  193.02 seconds.  112331520000 grid point computations.  nanoseconds/comp. = 1.72
Terminated after 3583 steps.  Max. difference = 0.000100
6000 rows.  48 processes.  218.25 seconds.  128988000000 grid point computations.  nanoseconds/comp. = 1.69
Terminated after 3584 steps.  Max. difference = 0.000100
6400 rows.  48 processes.  221.38 seconds.  146800640000 grid point computations.  nanoseconds/comp. = 1.51
Terminated after 3585 steps.  Max. difference = 0.000100
6800 rows.  48 processes.  245.95 seconds.  165770400000 grid point computations.  nanoseconds/comp. = 1.48
Terminated after 3586 steps.  Max. difference = 0.000100
7200 rows.  48 processes.  279.93 seconds.  185898240000 grid point computations.  nanoseconds/comp. = 1.51
Terminated after 3587 steps.  Max. difference = 0.000100
7600 rows.  48 processes.  279.09 seconds.  207185120000 grid point computations.  nanoseconds/comp. = 1.35
Terminated after 3587 steps.  Max. difference = 0.000100
8000 rows.  48 processes.  330.92 seconds.  229568000000 grid point computations.  nanoseconds/comp. = 1.44