Changes between Version 74 and Version 75 of DeveloperGuidelines/Optimisation
- Timestamp:
- 11/18/11 12:28:37 (13 years ago)
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DeveloperGuidelines/Optimisation
v74 v75 15 15 * http://www.skymind.com/~ocrow/python_string/ 16 16 * http://diveintopython.org/performance_tuning/index.html 17 * If Python is eating too much memory, it could be because you are instantiating lots of a particular class, consider using __slots__ http://stackoverflow.com/questions/472000/python-slots 18 * You can check the actual memory usage per class using MyClass.__basicsize__, remembering that subclasses of classes without __slots__ or top-level classes without __slots__ have a __dict__ which also takes up memory. 17 19 * If a specific inner-loop routine cannot be optimised in Python, then consider writing a C routine for this use case. 18 * If Python is eating too much memory, it could be because you are instantiating lots of a particular class, consider using !__slots!__ http://stackoverflow.com/questions/472000/python-slots19 * You can check the actual memory usage per class using !MyClass.!__basicsize!__, remembering that subclasses of classes without !__slots!__ or top-level classes without !__slots!__ have a !__dict!__ which also takes up memory.20 20 21 21 ''You can't beat C with Python, unless it's about readability.'' … … 290 290 ---- 291 291 DeveloperGuidelines 292