Files
linguist/samples/OpenCL/fft.cl
2012-07-23 15:52:49 -05:00

14 lines
375 B
Common Lisp

double run_fftw(int n,const float * x,float * y)
{
fftwf_plan p1 = fftwf_plan_dft_1d(n,(fftwf_complex *)x,(fftwf_complex *)y,
FFTW_FORWARD,FFTW_ESTIMATE);
const int nops = 10;
double t = cl::realTime();
for (int op = 0;op < nops;op++) {
fftwf_execute(p1);
}
t = (cl::realTime() - t)/(double)nops;
fftwf_destroy_plan(p1);
return t;
}