> Despite this CWT implementation runs on GPU and this “advanced” FFT runs on JS, CWT is about 50-100x slower. Sounds like a really crappy implementation of C

> Despite this CWT implementation runs on GPU and this “advanced” FFT runs on JS, CWT is about 50-100x slower. Sounds like a really crappy implementation of CWT. Besides this, the mother wavelet used was not specified, so maybe the author doesn't really know much about CWT.