[Maxima] "fastfib" in the gf package faster than "fib"
talon at lpthe.jussieu.fr
Wed Jul 9 02:50:59 CDT 2008
Raymond Toy (RT/EUS) wrote:
> Perhaps the differences can be accounted for by the fact that two
> different versions of maxima are being run? On my machine, gcl (2.6.8)
> Evaluation took 46.7300 seconds (75.8100 elapsed)
> Cmucl (Snapshot 2008-07) says
> Evaluation took 57.7300 seconds (69.2500 elapsed) using 35.077 MB.
> Perhaps the difference is also in the platform. (I ran this on a sparc).
Indeed one is maxima 5.14.0 and the other is maxima 5.15.0, but i doubt this
explains such a difference. The machine is a Pentium 4, 3 Ghz running
> BTW, is factor supposed to produce (x^230+x+1)*(x^231-x+3)? It doesn't
> for me. I get (x^2+x+1)*(x^228 <more stuff)*(x^231-x+3). Perhaps
> that's ok since it seems x^230+x+1 has x^2+x+1 as a factor.
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