Mercurial > hg > peckfft
diff peck_fft.c @ 11:abdcde012978
backup
| author | Peter Meerwald <p.meerwald@bct-electronic.com> |
|---|---|
| date | Thu, 22 Sep 2011 15:19:18 +0200 |
| parents | 05f6ab0a17c0 |
| children | 655dc5c14169 |
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--- a/peck_fft.c Wed Sep 21 15:20:58 2011 +0200 +++ b/peck_fft.c Thu Sep 22 15:19:18 2011 +0200 @@ -294,7 +294,18 @@ kf_bfly2(Fout, fstride, st, m); break; case 3: kf_bfly3(Fout, fstride, st, m); break; - case 4: kf_bfly4(Fout, fstride, st, m); break; + case 4: + { +static unsigned counter = 0; + armv7_cycles_start(); + unsigned int t1 = armv7_cycles_read(); + kf_bfly4(Fout, fstride, st, m); + unsigned int t2 = armv7_cycles_read(); + armv7_cycles_stop(); + counter++; + if (counter > 150 && counter < 160) printf("XX %d\n", t2-t1); +} + break; case 5: kf_bfly5(Fout, fstride, st, m); break; default: kf_bfly_generic(Fout, fstride, st, m, p); break; }