int main(int argc, char *argv[])
{
unsigned int dim_x = 80, dim_y = 40, time_steps = 80, num_threads = 3;
if (argc > 1)
time_steps = strtoul(argv[1], NULL, 0);
if (argc > 2)
dim_x = strtoul(argv[2], NULL, 0);
if (argc > 3)
dim_y = strtoul(argv[3], NULL, 0);
if (argc > 4)
num_threads = strtoul(argv[4], NULL, 0);
if(dim_x < 9 || dim_y < 9)
{
printf("Invalid dim_x / dim_y!\n");
exit(EXIT_FAILURE);
}
size_t size = sizeof(unsigned char) * dim_x * dim_y;
unsigned char *grid = malloc(size);
if(grid == NULL)
exit(EXIT_FAILURE);
memset(grid, 0, size);
r_pentomino(grid, dim_x, dim_y, dim_x/2, dim_y/2);
printf("\nGame of Life: time_steps = %u; dim_x = %u; dim_y = %u; threads = %u \n\n", time_steps, dim_x, dim_y, num_threads);
print_gol(grid, dim_x, dim_y);
printf("\n\n");
struct timespec begin, end;
clock_gettime(CLOCK_REALTIME, &begin);
unsigned int living_cells = gol(grid, dim_x, dim_y, time_steps, num_threads);
clock_gettime(CLOCK_REALTIME, &end);
print_gol(grid, dim_x, dim_y);
printf("Living Cells after %u time steps: %u\n", time_steps, living_cells);
printf("\nProcessing Time: %.3lf seconds\n", ts_to_double(ts_diff(begin, end)));
free(grid);
return 0;
}
int main(int argc, char** argv) {
int N = 100;
int num_threads = 4;
int input;
while ((input = getopt(argc, argv, "t:n:")) != -1)
{
switch (input)
{
case 't':
if (sscanf(optarg, "%d", &num_threads) != 1)
goto error;
break;
case 'n':
if (sscanf(optarg, "%d", &N) != 1)
goto error;
break;
case '?':
error: printf(
"Usage:\n"
"-t \t number of threads used in computation\n"
"-n \t number of iterations\n"
"\n"
"Example:\n"
"%s -t 4 -n 2500\n", argv[0]);
exit(EXIT_FAILURE);
break;
}
}
unsigned long **a = get_int64_twodim_array(N + 1);
unsigned long **b = get_int64_twodim_array(N + 1);
unsigned long **c = get_int64_twodim_array(N + 1);
unsigned long **d = get_int64_twodim_array(N + 1);
struct timespec begin, end;
clock_gettime(CLOCK_REALTIME, &begin);
compute(a, b, c, d, N, num_threads);
clock_gettime(CLOCK_REALTIME, &end);
printf("\nTime: %.3lf seconds\n", ts_to_double(ts_diff(begin, end)));
free(a);
free(b);
free(c);
free(d);
return 0;
}
