On Mon, Aug 17, 2009 at 6:27 AM, Mani chandra<mchan...@iitk.ac.in> wrote: > > William Stein wrote: >> On Mon, Aug 17, 2009 at 2:26 AM, Juan Jose >> Garcia-Ripoll<juanjose.garciarip...@googlemail.com> wrote: >> >>> On Mon, Aug 17, 2009 at 10:57 AM, William Stein<wst...@gmail.com> wrote: >>> >>>> Note that Sage's Maxima uses ECL. So the basic question is, how can >>>> we increase the memory that Maxima + ECL can use? >>>> >>> The limits ECL has are by default too small for big applications, but >>> it is intentionally done so. However, changing them is pretty easy: >>> add a call to ext:set-limit in any file of maxima that forms part of >>> the final executable. >>> >>> The different memory limits that can be independently controlled are listed >>> here >>> http://ecls.sourceforge.net/new-manual/re34.html >>> So for instance, in your case, which hits the dynamically allocated >>> memory limit, you might add the following >>> (ext:set-limit 'ext:heap-size (* 1024 1024 1024)) >>> to maxima/src/ecl-port.lisp in order get 1GB memory limit. >>> >>> Juanjo >>> >> >> Thanks!!! I've made this trac #6772: >> >> http://trac.sagemath.org/sage_trac/ticket/6772 >> >> -- William >> >> > >> >> > Hi, > > I'm glad that this issue has finally been taken up. But as an interm > measure, how does one pass this command through a sage code? I tried > maxima.eval_String, but it doesn't seem to work.
My understanding is that one has to modify the maxima source code itself and recompile maxima. > > In an unrelated note, I rewrote my code trying to use a standalone > installation of sympy and it takes forever to compute what maxima in > sage did in a few mins, so I guess sympy is nowhere close to "industrial > strength". > > Mani chandra > You should post your program to the sympy list and complain. I'm sure they would love to fix whatever is making it so slow. A lot of people are actively working on sympy this summer. William --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
