Optimising Python

Python module Y305

Optimising Python

Exercises, examples and other material relating to training module Y305. This module is presented on Private Courses and Specially Run Courses only

Background

For those Python programs where you're compute bound or handling very large data flows, you may want to consider and learn some of the techiques covered in this module.

Articles and tips on this subject		updated
2462	Python - how it saves on compile time Python is interpreted every time you run the code ... or that's the simple first story you're told. But really it's not that simple ... and not that inefficient. When you run a Python program, it is not interpreted line by line as you run it - it is interpreted all at once before it's run at all, ...	2009-10-20
2369	Using a cache for efficiency. Python and PHP examples Ask yourself "how long is it (in seconds) from 5.36 a.m. and 20 seconds to 6.04 a.m. and 39 seconds". Have you worked that out? Now - how long is it (in seconds) from 5.36 a.m. and 20 seconds to 6.04 a.m. and 39 seconds. Got that? And how long is it (in seconds) from 5.36 a.m. and 20 seconds to 6.04 ...	2009-08-23 (longer)
2277	Python classes / courses - what version do we train on? Usually, the release number of a programming language that's used on a 'first level' course doesn't make a big difference as the changes tend to be quite minor - after all, languages cannot change much for who would develop e piece of code using a syntax that was likely to go out of date? But that's ...	2009-07-11

Examples from our training material

slowcoach	Analysing visit lengths to web site - no cache
visitors	Analysing visit lengths to web site - using cache

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

The timeit Module.
Optimizing Regular Expressions and Strings.
Optimizing Dictionary Lookups and List Operations.
Caching and saving recalculations within Python classes.
Building Tuned Pythons

Complete learning

If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 700 books on the subjects on which we teach. These books are available for reference at our training centre. Also available is the Opentalk Forum for discussion of technical questions.