On Saturday 26 May 2012, you wrote: > On Sat, May 26, 2012 at 1:27 AM, Egan Ford <egan@sense.net> wrote: > > I've googled quite a bit and found some code. Mostly mult. But I > > thought I'd also ask here just in case someone has something in their > > back pocket. I also have my own ideas, but wanted to avoid > > reinventing the wheel so to speak. Table methods are preferred if > > they provide measurable speed up. However tables should be limited to > > about 1K or 2K of memory. > > You probably already found this, but here goes: > > http://codebase64.org/doku.php?id=base:seriously_fast_multiplication > > It doesn't really get faster than this. yes, thats pretty much the defacto standard fast mul =) the nice thing about it is that you can mungle an additional operation into the lookup table (so you can eg do mul, then shift for fixedpoint arithmetics) ---------------------------------------------------------------------- To unsubscribe from the list send mail to majordomo@musoftware.de with the string "unsubscribe cc65" in the body(!) of the mail.Received on Sat May 26 17:03:18 2012
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