A Simple & Effective Way To Improve Python Class Performance
💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide.
There's a very simple way to improve Python performance of your code. And you know what's so nice about this performance improvement? It also nudges you to use good Python software design practices - it's a win-win!
The code I worked on in this episode is available here: https://github.com/ArjanCodes/2022-slots.
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⌨️ Keyboard I’m using: https://amzn.to/49YM97v.
🔖 Chapters:
0:00 Intro
0:50 How classes work in Python
2:00 Descriptors
2:46 Basic class example with the dict dunder method
3:53 Using slots
5:02 Slots performance test
6:07 Using slots with dataclasses
7:19 Slots performance test #2 (with dataclasses)
8:00 Why are slots not used by default?
8:39 Slots limitation: mixins and multiple inheritance
10:23 Slots limitation: dynamic attributes
11:25 Final thoughts
#arjancodes #softwaredesign #python
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