P.S. further testing suggests that M. will eventually cache for larger values of y. But not initially. Which is interesting... I wish I understood the mechanism better.
-- Raul On Tue, Mar 1, 2022 at 3:39 PM Raul Miller <[email protected]> wrote: > > Ah, thanks! > > And, I'll note also that there's a roundreal that needs a definition > -- probably you had in mind something smarter than my quickie > roundimag@j. > > But, I should also point out that I used an explicit cache rather than > M. because my tests seemed to show that M. wasn't caching for larger > values of y (which is where the big-O issues really start to > dominate). > > Anyways, I'll play with this. > > Thanks again, > > -- > Raul > > On Tue, Mar 1, 2022 at 2:17 PM 'Michael Day' via Programming > <[email protected]> wrote: > > > > Oops - ct was my memoised version of cyclotomic, while still using pDiv. > > I expect the results will be much the same, but I'll have a look later > > as I've > > got to go out now. I'll have to replace ct by ctfft - perhaps you'd > > like to try > > while I'm pub-quizzing! > > > > Cheers, > > > > Mike > > > > > > On 01/03/2022 19:02, Raul Miller wrote: > > > Ah, I had forgotten about that bit of code. Thanks. > > > > > > Next question: > > > > > > What is 'ct' here? > > > > > > Thanks again, > > > > > > > > > -- > > This email has been checked for viruses by Avast antivirus software. > > https://www.avast.com/antivirus > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
