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19 sty 2018 · How to speed up Python application startup time. # python. I hear pipenv 9.0.2 is released with major startup time improvement. I tried it soon and I didn't feel it's fast. So I investigated it with Python 3.7's new feature. In this article, I introduce the feature and how to use it. Startup time ≒ import time.
If your application is slow at coming up, that will be true without PyInstaller as well. In that case, your only solution is either a splash screen (import just PyQt, create QApplication, create a display the splashscreen, then import the rest of your program and run it), or rework your code.
How to install and run your code with PyPy. How PyPy compares with CPython in terms of speed. What PyPy’s features are and how they make your Python code run faster. What PyPy’s limitations are. The examples in this tutorial use Python 3.6 since that’s the latest version of Python that PyPy is compatible with. Python and PyPy.
If creating and/or destroying the new interpreter is what takes the time, then one possible way to speed it up is to freeze the object graph of a newly created interpreter. That would work roughly as follows: Modify CPython to walk the object graph, immediately after interpreter creation, dumping it to a text file.
I've spent a while trying to improve IPython startup time (it's still pretty bad, but it's been worse), so I'm excited to see that Python 3.7 will make this easier to test. One trick I like to do is to simulate a cold start to get an idea of the worst case performance.
• Overview of module loading in Python • Improving startup performance • Prior art • Future work Agenda
29 wrz 2021 · This isn't loading a GUI, and a Pi 4 probably gets this done a 2-3 times faster than a Zero. But notice the fsck starts after ~1.3s. network-service, which you would need, is ready after ~5.4s. If you have not yet, have a look at man systemd-analyze.
