Try installing fastcache and see if that helps (you'll have to compile it).
Aaron Meurer On Thu, Jul 23, 2015 at 12:29 PM, Richard Rondu <[email protected]> wrote: > Hi Ondrej, > > Let's say I can manage to hide this a bit in the background before the > user enter it's first operand and so on. It's more manageable than > 10seconds :-/ > > I don't know where the time is actually spent, I can try to take a look at > that though. > > Thanks for answering :-) > > Richard > > On Thursday, July 23, 2015 at 6:42:00 PM UTC+2, Ondřej Čertík wrote: >> >> Hi Richard, >> >> On Thu, Jul 23, 2015 at 3:23 AM, Richard Rondu <[email protected]> >> wrote: >> > Hi everyone. >> > >> > I'm upgrading my Qt RPN calculator app for sailfish >> > (https://github.com/lainwir3d/sailfish-rpn-calculator) to use sympy as >> an >> > engine. >> > >> > Everything was well and happy when I was using the sailfish emulator to >> test >> > the app, but then I decided to finally try it on my Jolla smartphone : >> the >> > import time of sympy increase to a bit above ten seconds. >> > >> > While I can manage to deal with ~5seconds, ~10seconds is a bit too >> much. I >> > was using sympy 0.7.6, I moved yesterday to the master branch hoping it >> > would be better but it's not. >> >> Even 5s is unnaceptable, at least for me. >> >> > >> > Do any of you have any tips to decrease the import time ? I'm only >> using for >> > the moment : >> > >> > - sympy.S / N >> > - sympy.cos / acos / sin / asin / tan / atan >> > - sympy.sqrt / root / log / factorials >> > >> > I'm defining some custom constants (inheriting NumberSymbol) and some >> > functions (inheriting Function) but I can import them later when >> needed. >> > What I need to be quickly loaded at startup is mainly sympy.S, the >> others I >> > can load in the background. >> > >> > I tried to play a bit with __init__.py, here is the import time of each >> > module on the master : >> > >> > core=2373 >> > logic=0 >> > assumptions=78 >> > polys=5542 >> > series=0 >> > functions=1 >> > ntheory=2 >> > concrete=1307 >> > simplify=1 >> > sets=0 >> > solvers=0 >> > matrices=0 >> > geometry=349 >> > utilities=0 >> > integrals=0 >> > tensor=0 >> > parsing=2 >> > calculus=21 >> > plotting=177 >> > printing=0 >> > printing2=1 >> > printing3=0 >> > interactive=34 >> > evalf=1 >> > deprecated=8 >> > >> > Polys module is the one taking most of the time. Here is the import >> time of >> > its submodules : >> > >> > polytools=2009 >> > polyfuncs=1736 >> > rationaltools=0 >> > polyerrors=1 >> > numberfields=1190 >> > monomials=0 >> > orderings=0 >> > rootoftools=0 >> > polyroots=0 >> > domains=0 >> > constructor=0 >> > specialpolys=1 >> > orthopolys=0 >> > partfrac=467 >> > polyoptions=1 >> > rings=0 >> > fields=33 >> > >> > The import time is the same either with "import sympy" or "from sympy >> import >> > S" >> > >> > So, if anyone had any idea / pointers I could look at I would really >> > appreciate it :-) Apart from that, sympy is quite awesome ! >> >> I am really sorry it is taking so long to import, we need to fix that. >> I hope it is possible to fix this in Python. >> >> Thanks for posting the timings. To get to the bottom of the issue ---- >> is the import time slow because we are doing some (slow) calculations >> at import time, or is the import time slow because Python needs to >> read and parse ~200,000 lines of code? >> >> Once we understand where the time is actually spent, then we need to >> figure out a solution. >> >> Ondrej >> > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/46c4b1dd-5071-400d-9d1c-155633823213%40googlegroups.com > <https://groups.google.com/d/msgid/sympy/46c4b1dd-5071-400d-9d1c-155633823213%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAKgW%3D6LkCrA8Cwy%3DzAvrqv%3DSXX8d%3D8GEMO22mq06AvfN6RsuoA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
