speed up python with c

Опубликовано: 11 Февраль 2025
на канале: CodeHive

Download this code from https://codegive.com
Python is a versatile and powerful programming language, but it might not always be the fastest when it comes to execution speed. One way to address this issue is by integrating C code into your Python program. This tutorial will guide you through the process of creating a simple Python extension module in C to boost the performance of your code.
Before you start, make sure you have the following installed:
Let's create a simple Python script that performs a time-consuming task. Save the following code in a file named python_script.py:
This script defines a function slow_function that performs a basic computation.
Use the time module to measure the execution time of the script:
This will help us identify the part of the code that needs optimization.
Now, let's create a C extension module to replace the slow function. Save the following C code in a file named extension_module.c:
This C code defines a function fast_function that performs the same computation as the Python function. It also provides a wrapper function fast_function_wrapper to interface with Python. The PyInit_extension_module function initializes the extension module.
Use the following commands to build the extension module:
For Unix-like systems (using GCC):
For Windows (using Visual Studio):
Replace 3.x with your Python version.
Now, modify the python_script.py to use the C extension module:
Execute the modified script:
Compare the execution times between the pure Python implementation and the C extension module. You should observe a significant speedup.
Congratulations! You've successfully created and integrated a C extension module to speed up a Python script. This approach is particularly effective for computationally intensive tasks.
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