#5513: Last session refactoring vastly down Django performance
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Reporter: msaelices | Owner: msaelices
Status: assigned | Component: Contrib apps
Version: SVN | Resolution:
Keywords: slowness performance | Stage: Unreviewed
Has_patch: 1 | Needs_docs: 0
Needs_tests: 0 | Needs_better_patch: 0
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Comment (by msaelices):
Replying to [comment:9 Fredrik Lundh <[EMAIL PROTECTED]>]:
> Very fast as in? (from what I can tell, all you're saving is a property
call. it shouldn't be *that* expensive).
>
> Some additional micro-tuning for [6033]:
>
> * move the __import__ from process_request to module scope (settings
won't change once we're up and running), or, if you want lazy loading,
make it a module global and only import if None.
First I thought this was the problem, and I change this to a module scope.
But it wasn't problem (it was slow afterall).
Once I fixed main problem I coulb test other questions, for improve again
(if is it possible):
* Move {{{__import__}}} statement
* Change a {{{try...except}}} for {{{hasattr}}}, in
{{{SessionBase._get_session}}}
>
> * there's tons of duplicate attribute accesses in the fast path; don't
forget that locals are cheap in Python!
--
Ticket URL: <http://code.djangoproject.com/ticket/5513#comment:11>
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