Python3 有一個很好用的第三方庫叫 line_profiler 可以分析每行程式碼的執行時間及佔比

安裝

pip install line_profiler

使用

# @Coding: utf-8
# @Time: 2021/8/5 3:54 下午
from line_profiler import LineProfiler


def test(num1, num2):
    num3 = num1 ** num2
    print(num3)


if __name__ == '__main__':
    # 正常呼叫
    # test(2, 3)
    # 分析時間
    lp = LineProfiler()
    lp_wrapper 
 
= lp(test)
    lp_wrapper(2, 3)
    lp.print_stats()

結果

8
Timer unit: 1e-06 s

Total time: 3.9e-05 s
File: /Users/wangwenjie/code/test/1111111.py
Function: test at line 8

Line #      Hits         Time  Per Hit   % Time  Line Contents
==============================================================
     8
 
                                           def test(num1, num2):
     9         1          8.0      8.0     20.5      num3 = num1 ** num2
    10         1         31.0     31.0     79.5      print(num3)


Process finished with exit code 0