?iga Lenar?i? wrote:
>
>
> Maxima's $fft is now only 2x slower than bordeaux-fft in SBCL. I'm
> still all for using bordeaux-fft since it's free GPLd code (and has
> been even maintained, whatever that means),
This, unfortunately, won't happen. My version of gcl (2.6.8pre whatever
that means) doesn't have equalp hash-tables, which bordeaux-fft uses.
Too bad.
> but if complex lisp numbers are slow on other lisps, then it's not a
> good idea. I only have Clozure CL and SBCL on my computer. Timings
> from ECL and GCL would matter - perhaps I'll even install ECL and
> compare...
I did try ecl (0.8.x). Maxima's fft is about 1.5x slower than bordeaux
fft, FWIW, and about 10 times slower than cmucl on the same machine.
Ray