python教程分享python性能检测工具函数运行内存及运行时间

def base_func():      for n in range(10000):          print('当前n的值是：{}'.format(n))

pip install memory_profiler  

from memory_profiler import profile  @profile  def base_func1():      for n in range(10000):          print('当前n的值是：{}'.format(n))  base_func1()  # line #    mem usage    increment  occurrences   line contents  # =============================================================  #     28     45.3 mib     45.3 mib           1   @profile  #     29                                         def base_func():  #     30     45.3 mib      0.0 mib       10001       for n in range(10000):  #     31     45.3 mib      0.0 mib       10000           print('当前n的值是：{}'.format(n))  

import timeit  def base_func2():      for n in range(10000):          print('当前n的值是：{}'.format(n))  res = timeit.timeit(base_func2,number=5)  print('当前的函数的运行时间是：{}'.format(res))  

pip install line_profiler

def base_func3():      for n in range(10000):          print('当前n的值是：{}'.format(n))  from line_profiler import lineprofiler  lp = lineprofiler()  lp_wrap = lp(base_func3)  lp_wrap()    lp.print_stats()    # line #      hits         time  per hit   % time  line contents  # ==============================================================  #     72                                           def base_func3():  #     73     10001     162738.0     16.3      4.8      for n in range(10000):  #     74     10000    3207772.0    320.8     95.2          print('当前n的值是：{}'.format(n))

# pip install heartrate  import heartrate  heartrate.trace(browser=true)  def base_func4():      for n in range(10000):          print('当前n的值是：{}'.format(n))