How to check program running time in pycharm

PyCharm provides methods to view program running time: Run configuration: enable the "Collect CPU usage and profiling info during execution" option. Profiler: Collect data and click the "Start profiling" and "Stop profiling" buttons. Performance Monitor: Displays metrics such as CPU usage and runtime. timeit module: Import the module and measure runtime using the timeit.timeit() function.

How to use PyCharm to view the running time of a program

PyCharm provides several methods to view the running time of a program:

1. Run configuration

• Open the program you want to run in PyCharm.
• Click "Run" in the menu bar, and then select "Run...".
• In the "Run/Debug Configurations" dialog box, select the run configuration to use.
• In the "General" tab, enable the "Collect CPU usage and profiling info during execution" option.

2. Use Profiler

• to open the program you want to run in PyCharm.
• Click "Run" in the menu bar, and then select "Profile...".
• In the "Profiling Sessions" dialog box, select how to collect data, and then click "Start profiling".
• After the program runs, click the "Stop profiling" button to view the data.

3. Use Performance Monitor

• to open the program you want to run in PyCharm.
• Click "View" in the menu bar, and then select "Performance Monitor".
• While the program is running, "Performance Monitor" will display various metrics about the program, including CPU usage and running time.

4. Use the timeit module

• Import the timeit module in the program: import timeit.
• Use the timeit.timeit() function to measure the running time of a function or block of code. For example:

<code class="python">import timeit

def my_function():
    # 你的函数代码

t = timeit.timeit("my_function()", number=10000)
print("运行时间：", t)</code>

This will print to the terminal the elapsed time it took for the program to run the my_function() function 10,000 times.

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