On 22 November 2013 15:52, William Stein <wst...@gmail.com> wrote: > On Fri, Nov 22, 2013 at 7:50 AM, John Cremona <john.crem...@gmail.com> wrote: >> @William: that looks like the correct diagnosis. The return value is >> a list of elliptic curve points, and was failing except on the exmpty >> list. I got around it by returning the bare coordinates as [P.xy() >> for P in E.gens()] >> >> @Jeroen: I was about to say "I didn't know about alarm()" untl I saw >> that I wrote almost exactly those words on that ticket 16 months ago. >> And the use case is exactly what I want here too. And I am using >> 5.13.beta3. So I'll try using alarm! However, the @fork did work >> after I got around the pickling issue. > > Is the pickling issue a bug in Sage? > >> It would be good if thepickling restriction was mentioned in the >> documentation for @fork, all the same. > > How else could it possibly work? :-)
I'm just a simple user following instructions (so perhaps I should have poseted to sage-support!). It had not occurred to me to ask how it worked, it's just magic, isn't it? I am now hppily using alarm(). John > > Yes, I agree that should be added to fork's docstring. > > Fork has one benefit over alarm in this case, in that it will prevent > memory leaks. > >> >> John >> >> On 22 November 2013 15:37, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote: >>> On 2013-11-22 16:22, John Cremona wrote: >>>> >>>> I am trying to use the @fork decorator as described here: >>>> http://www.sagemath.org/doc/reference/parallel/sage/parallel/decorate.html >>>> in order to force a function not to take more run time than some >>>> maximum. >>> >>> Given that #13311 is fixed (and merged in sage-5.13.beta3), I think you >>> should try to use alarm() for this. If it doesn't work, let me know. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "sage-devel" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to sage-devel+unsubscr...@googlegroups.com. >>> To post to this group, send email to sage-devel@googlegroups.com. >>> Visit this group at http://groups.google.com/group/sage-devel. >>> For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sage-devel" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sage-devel+unsubscr...@googlegroups.com. >> To post to this group, send email to sage-devel@googlegroups.com. >> Visit this group at http://groups.google.com/group/sage-devel. >> For more options, visit https://groups.google.com/groups/opt_out. > > > > -- > William Stein > Professor of Mathematics > University of Washington > http://wstein.org > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To post to this group, send email to sage-devel@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/groups/opt_out.
