# Benchmarking Open MP performance
# Scale number of threads
./heat-omp -e 0.0001 -s 10000 -b h -t 1 -n 800
Terminated after 3470 steps.  Max. difference = 0.000100
1 threads.  4.31 seconds.  2220800000 grid point computations.  nanoseconds/comp. = 1.94
./heat-omp -e 0.0001 -s 10000 -b h -t 2 -n 800
Terminated after 3470 steps.  Max. difference = 0.000100
2 threads.  2.19 seconds.  2220800000 grid point computations.  nanoseconds/comp. = 0.99
./heat-omp -e 0.0001 -s 10000 -b h -t 4 -n 800
Terminated after 3470 steps.  Max. difference = 0.000100
4 threads.  1.13 seconds.  2220800000 grid point computations.  nanoseconds/comp. = 0.51
./heat-omp -e 0.0001 -s 10000 -b h -t 8 -n 800
Terminated after 3470 steps.  Max. difference = 0.000100
8 threads.  0.64 seconds.  2220800000 grid point computations.  nanoseconds/comp. = 0.29
# Scale problem size
./heat-omp -e 0.0001 -s 10000 -b h -t 8 -n 1600
Terminated after 3534 steps.  Max. difference = 0.000100
8 threads.  6.59 seconds.  9047040000 grid point computations.  nanoseconds/comp. = 0.73
./heat-omp -e 0.0001 -s 10000 -b h -t 8 -n 3200
Terminated after 3567 steps.  Max. difference = 0.000100
8 threads.  35.25 seconds.  36526080000 grid point computations.  nanoseconds/comp. = 0.97
./heat-omp -e 0.0001 -s 10000 -b h -t 8 -n 6400
Terminated after 3584 steps.  Max. difference = 0.000100
8 threads.  128.65 seconds.  146800640000 grid point computations.  nanoseconds/comp. = 0.88