[Cython] compiler performance issue for extended utility code

mark florisson markflorisson88 at gmail.com
Sun Oct 16 20:51:26 CEST 2011

Tempita uses re.sub to do the parsing. Most utilities are loaded at
module-level, so perhaps we should use lazy loading like Vitja
suggested. Are the cythonscope utilities loaded?

On 16 October 2011 19:46, Stefan Behnel <stefan_ml at behnel.de> wrote:
> mark florisson, 08.10.2011 15:18:
>> On 8 October 2011 13:10, Vitja Makarov wrote:
>>> I've also noticed that some utilities are loaded unconditionally
>>> perhaps it's better to introduce lazy loading.
>> Well, they shouldn't be. If they are it's generally a bug. I noticed
>> that it happens in the test runner though, although it should create a
>> fresh context with freshly initialized entries.
> I recently ran only the couple of with-statement related tests through
> cProfile and it told me that it had spent something like 20 seconds in
> "builtin method sub()", i.e. doing completely useless string processing,
> followed by some 3 seconds or so for the rest of the compilation and test
> execution. That doesn't sound right.
> Stefan
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