On Aug 18, 9:31 am, Maciej Fijalkowski <fij...@gmail.com> wrote: > On Tue, Aug 18, 2009 at 1:12 AM, Fredrik > Johansson<fredrik.johans...@gmail.com> wrote: > > > On Tue, Aug 18, 2009 at 8:50 AM, Maciej Fijalkowski<fij...@gmail.com> wrote: > > >> Hi. > > >>> I think SymPy is an excellent benchmark target. The nature of SymPy > >>> (or any computer algebra system) is such that any high-level operation > >>> will exercise most parts of the system. For example > >>> "integrate(x**3*exp(x)*sin(x), x)" performs ~4 million function calls > >>> to some 200 functions all over SymPy, and it's a calculation that > >>> you'd use SymPy for in practice, so it would be a good real-world test > >>> case. > > >>> Also, mpmath might be a good target (mpmath is a subpackage of SymPy). > >>> There are some microbenchmarks at [1] although I could come up with > >>> some slightly more complex "real world" calculation if you are > >>> interested. Mpmath heavily depends on long integer performance in > >>> particular, but if you use low precision, it will exercise general > >>> Python performance. For myself, I would be interested in whether > >>> PyPy's new JIT can beat psyco, which all around makes mpmath ~2x > >>> faster on top of CPython. > > >> Long integer performance is not *exactly* on top of my list of stuff to > >> look to. > >> About PyPy JIT beating psyco, yes, but not exactly right now :-) > > >> I was also wondering what *does not* exercise most of the system and yet > >> still makes some sort of sense. > > > By wondering, do you mean that you are looking for this (i.e. you are > > looking for a benchmark that invokes a relatively small amount of > > code), or are you implicating me as not making sense? :-) > > Heh :-) I suppose I'm looking for a benchmark that invokes relatively > small amount > of code, but still a bit more than a single loop. > > Cheers, > fijal
There are some other benchmarks that should also work for sympy from the sympycore project. [1, 2] Vinzent [1] http://code.google.com/p/sympycore/wiki/Performance [2] http://cens.ioc.ee/~pearu/sympycore_bench/ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sympy?hl=en -~----------~----~----~----~------~----~------~--~---
