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 --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
