planet.ini Aaron Meurer
On Mon, Sep 9, 2013 at 10:30 PM, Matthew Rocklin <[email protected]> wrote: > I think we need to add you to something in the planet.sympy repo. Aaron, > Ondrej, what file is appropriate here? > > > On Mon, Sep 9, 2013 at 5:02 AM, Cristóvão Sousa <[email protected]> wrote: >> >> Done: >> https://csousahome.wordpress.com/2013/09/09/faster-common-subexpression-elimination-cse-in-sympy/. >> >> How can I push it to the planet? >> >> >> On Sunday, September 8, 2013 2:18:57 AM UTC+1, Matthew wrote: >>> >>> That's awesome. Can I suggest that you blog about this and push it to >>> planet.sympy.org? >>> >>> >>> On Sat, Sep 7, 2013 at 6:06 PM, Cristóvão Sousa <[email protected]> wrote: >>>> >>>> On Sunday, September 8, 2013 1:55:12 AM UTC+1, Cristóvão Sousa wrote: >>>>> >>>>> Hi all, >>>>> >>>>> I just want to announce that a new implementation of Common >>>>> Subexpression Elimination (CSE) routine has been merged into master (PR: >>>>> https://github.com/sympy/sympy/pull/2355). >>>>> >>>>> This new implementation is really faster, especially when no external >>>>> optimizations are performed (the default now). >>>>> And there is a new option for even faster results: order='none'. >>>>> >>>>> Here is a comparison example: http://nbviewer.ipython.org/5986996 >>>>> As it can be seen, for the no optimizations case, there is a reduction >>>>> from _1 minute and half_ to _580 ms_, >>>>> from the previous to the new implementation. >>>> >>>> >>>> 150x faster. >>>> >>>>> >>>>> With the order='none' option, the new implementation drops to _91 ms_! >>>> >>>> >>>> 1000x faster. >>>> >>>>> >>>>> >>>>> For all of you who wasn't using CSE because of it being a bottleneck, >>>>> CSE must be reconsidered again. >>>>> >>>>> Thanks, >>>>> Happy code, >>>>> Cristóvão D. Sousa >>>>> >>>> -- >>>> 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. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >> -- >> 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. >> For more options, visit https://groups.google.com/groups/opt_out. > > > -- > 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. > For more options, visit https://groups.google.com/groups/opt_out. -- 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. For more options, visit https://groups.google.com/groups/opt_out.
