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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.
The only real way to know would be to profile and measure. Your code could be doing anything. "doSomething" might be a time.sleep(10) in which case, forking off 10000000 processes would make the whole program run in approximately 10 seconds (ignoring the forking overhead and resulting slowdowns).
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
One trick I like to do is to simulate a cold start to get an idea of the worst case performance. If I do that on a machine with a spinning hard drive, importing pkg_resources can take about 5 seconds.
Python Startup Time¶ CPython startup is “slow”: takes between 8 ms and 100 ms depending on the Python version, the operating system, how many .pth files are installed, if Python runs into a virtual environment, etc.
In this article, you’ll learn the following: What concurrency is. What parallelism is. How some of Python’s concurrency methods compare, including threading, asyncio, and multiprocessing. When to use concurrency in your program and which module to use.
• Overview of module loading in Python • Improving startup performance • Prior art • Future work Agenda
