#include <stdio.h>
#include <math.h>
#include <cstdlib>
static void fn()
{
}
int main(int argc, char ** argv)
{
try {
int device = argc > 1 ? atoi(argv[1]) : 0;
printf("Benchmark N-by-N 2D fft\n");
for (int M = 7; M <= 12; M++) {
int N = (1 << M);
printf("%4d x %4d: ", N, N);
double gflops = 10.0 * N * N * M / (time * 1e9);
printf(" %4.0f Gflops\n", gflops);
fflush(stdout);
}
fprintf(stderr,
"%s\n", e.
what());
}
return 0;
}