Re: [Sqlalchemy-tickets] [sqlalchemy] #2720: new C extensions for attribute accessing

[sqlalchemy <mi...@zz...>]

#2720: new C extensions for attribute accessing
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      Reporter:  zzzeek            |      Owner:  zzzeek
          Type:  enhancement       |     Status:  new
      Priority:  medium            |  Milestone:  blue sky
     Component:  cextensions       |   Severity:  very major - up to 2 days
    Resolution:                    |   Keywords:
Progress State:  not decided upon  |
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Comment (by ged):

 Replying to [comment:20 claudiofreire]:
 > So, I finally got back to this. Pyrex has no Py3 support, so Cython's
 the only choice.
 >
 > cprocessors.int_to_bool becomes a tad slower, going from 0.84s (py2) to
 0.94s (py3) for 10M iterations. Is that in line with your previous
 results?
 >
 > The same code with cython and py2 stays at 0.84s, so I'm wondering if
 the slowness is a py3 thing instead of a cython thing.

 IIRC, the offender(s) (ie too slow) was not in the type processors, but
 rather in the rowproxy special methods (__getitem__ and possibly getattr).

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Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2720#comment:27>
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