Re: Python XML Profiling
Dan Gunter <[email protected]>
| Newsgroups | gmane.comp.python.xml |
|---|---|
| Message-ID | <[email protected]> |
Have you considered using the Python profiler? A co-worker of mine gave a presentation about it that might help you get started. http://dsd.lbl.gov/DSDlocal/DSDMeetings/PythonProfiler.ppt -Dan Dave wrote: >Hello All, > >I'm trying to profile a Python XML program, but >getting confused because of the results. It basically >traverses an XML file. The gprof profiling results are >as follows: > >% Time Self Seconds Calls Name >34.8 0.63 _moncount > 10.5 0.19 mcount > 10.5 0.19 20,427 _PyEval_EvalFrame > 3.9 0.07 275,249 _lookdict_string > ... > 0.0 0.00 11,753 __PyString_Eq > >As I understand, _moncount and mcount are related with >gprof and _PyEval_EvalFrame is the main interpreter >loop. It seems this simple program spends a lot of >time in the interpreter loop. I thought a program >which handles XML would spend a lot of time on string >processing, i.e. string matching. In this case, it >spends just a little time on _lookdict_string, which >does not even do string matching. However, the string >matching function (__PyString_Eq) takes negligible >time. How could this be possible? How does it achieve >XML processing without exact string matching? > >Thank you for your help! > >Dave > > > >__________________________________ >Yahoo! FareChase: Search multiple travel sites in one click. >http://farechase.yahoo.com >_______________________________________________ >XML-SIG maillist - [email protected] >http://mail.python.org/mailman/listinfo/xml-sig > > _______________________________________________ XML-SIG maillist - [email protected] http://mail.python.org/mailman/listinfo/xml-sig