profiler

Python get the total execution time of a function

Python get the total execution time of a function Question: Suppose that I have a function: def func(x): time.sleep(x) return x It will be called in every place when needed, for example, func_a in class A, func_b in class B… And all the modules start from a main function, main(). Now I want to statistic …

Total answers: 1

As of 2023, is there any way to line profile Cython at all?

As of 2023, is there any way to line profile Cython at all? Question: Something has substantially changed with the way that line profiling Cython works, such that previous answers no longer work. I am not sure if something subtle has changed, or if it is simply totally broken. For instance, here is a very …

Total answers: 1

Python – Sort profile report by tottime

Python – Sort profile report by tottime Question: Python includes a simple to use profiler: >> import cProfile >> import re >> cProfile.run(‘re.compile("foo|bar")’) 197 function calls (192 primitive calls) in 0.002 seconds Ordered by: standard name ncalls tottime percall cumtime percall filename:lineno(function) 1 0.000 0.000 0.001 0.001 <string>:1(<module>) 1 0.000 0.000 0.001 0.001 re.py:212(compile) … …

Total answers: 2

Profiling a python program with PyCharm (or any other IDE)

Profiling a python program with PyCharm (or any other IDE) Question: I’m running a relatively complex python program and in it there is a montecarlo simulation which takes up most of the time. I would like to find out what part of it uses the most resources so I can potentially make it faster. I’m …

Total answers: 3

Get time of execution of a block of code in Python 2.7

Get time of execution of a block of code in Python 2.7 Question: I would like to measure the time elapsed to evaluate a block of code in a Python program, possibly separating between user cpu time, system cpu time and elapsed time. I know the timeit module, but I have many self-written functions and …

Total answers: 6

How do I read the output of the IPython %prun (profiler) command?

How do I read the output of the IPython %prun (profiler) command? Question: I run this: In [303]: %prun my_function() 384707 function calls (378009 primitive calls) in 83.116 CPU seconds Ordered by: internal time ncalls tottime percall cumtime percall filename:lineno(function) 37706 41.693 0.001 41.693 0.001 {max} 20039 36.000 0.002 36.000 0.002 {min} 18835 1.848 0.000 …

Total answers: 1

profiling a method of a class in Python using cProfile?

profiling a method of a class in Python using cProfile? Question: I’d like to profile a method of a function in Python, using cProfile. I tried the following: import cProfile as profile # Inside the class method… profile.run(“self.myMethod()”, “output_file”) But it does not work. How can I call a self.method with “run”? Asked By: user248237 …

Total answers: 5

Is there a memory profiler for python2.7?

Is there a memory profiler for python2.7? Question: I needed to check the memory stats of objects I use in python. I came across guppy and pysizer, but they are not available for python2.7. Is there a memory profiler available for python 2.7? If not is there a way I can do it myself? Asked …

Total answers: 4

How can I profile a SQLAlchemy powered application?

How can I profile a SQLAlchemy powered application? Question: Does anyone have experience profiling a Python/SQLAlchemy app? And what are the best way to find bottlenecks and design flaws? We have a Python application where the database layer is handled by SQLAlchemy. The application uses a batch design, so a lot of database requests is …

Total answers: 5