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<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/**59**86996<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 sympy+un...@**googlegroups.com. >>> To post to this group, send email to [email protected]. >>> >>> Visit this group at >>> http://groups.google.com/**group/sympy<http://groups.google.com/group/sympy> >>> . >>> For more options, visit >>> https://groups.google.com/**groups/opt_out<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.
