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I'm glad to see that you use PyQt for the GUI. Have you examined PySide as well? It's mostly drop-in compatible with PyQt and has a much better license in my opinion.

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I have! I don’t use PyQt professionally so never had to worry about the license too much. Also for the most part, PySide should work just fine with the projects in the book :)

I remember trying both last year, and found that for a trivial GUI, PySide had a 100ms slower startup time than PyQt. PySide was 300+ms, PyQt was 200+ms.

Thank you for that insight. Other than the startup time, were there any other performance problems with PySide? Honestly, I think that a 100ms slower startup time is a good tradeoff!

That's all I found. GUI isn't very easy to benchmark, to be honest.

100ms isn't much, indeed. A more complicated GUI program will likely render that trivial.

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