timeit Questions

3

Solved

I am trying to calculate the timings of my python code but I keep getting: TypeError - 'module' is not callable import timeit timeit.timeit('"-".join(str(n) for n in range(100))', number=10000...
Ditmore asked 2/10, 2019 at 8:41

6

Solved

I always read the code to calculate the time like this way: %timeit function() What does "%" mean here? I think, the "%" is always used to replace something in a string, like %...
Watt asked 26/3, 2015 at 14:2

3

I can not understand the difference between number and repeat in timeit library, so would you kindly tell me what is the difference between them?
Flofloat asked 25/6, 2019 at 23:50

10

Solved

Im running several machine learning algorithms with sklearn in a for loop and want to see how long each of them takes. The problem is I also need to return a value and DONT want to have to run it m...
Iodometry asked 17/7, 2014 at 19:47

0

I was looking for a solution for timing code execution. Of course, I found all sorts of solutions mostly suggesting the use of timeit module - which is pretty cool - or just using the time module. ...
Westbound asked 22/11, 2023 at 23:29

6

Solved

I noticed that if I iterate over a file that I opened, it is much faster to iterate over it without reading it first. That is: l = open('file','r') for line in l: ... is much faster than l = open...
Pantelegraph asked 29/6, 2016 at 16:39

1

I would like to optimize a function 'myfunc()'. I have several ways to write it, and I would like to check the fastest code. For that, we can use the 'timeit' module. But there are several ways to ...
Dag asked 7/5, 2019 at 12:12

9

Solved

I'm trying to time some code. First I used a timing decorator: #!/usr/bin/env python import time from itertools import izip from random import shuffle def timing_val(func): def wrapper(*arg, **...
Shreveport asked 26/10, 2009 at 3:23

4

Solved

I am trying to use timeit.timeit() in order to find how much time it takes to execute a specific line of code. The problem is that this line includes variables and I need to import them somehow, so...
Nativity asked 21/7, 2015 at 22:36

15

Solved

How do I use timeit to compare the performance of my own functions such as "insertion_sort" and "tim_sort"?
Cockswain asked 22/11, 2011 at 1:15

5

Solved

I'm having some real trouble with timing a function from within an instance of a class. I'm not sure I'm going about it the right way (never used timeIt before) and I tried a few variations of the ...
Denude asked 31/8, 2010 at 12:46

41

I want to measure the time it took to execute a function. I couldn't get timeit to work: import timeit start = timeit.timeit() print("hello") end = timeit.timeit() print(end - start)
Ostracon asked 10/9, 2011 at 9:21

1

Solved

I want to compare execution time of two snippets and see which one is faster. So, I want an accurate method to measure execution time of my python snippets. I already tried using time.time(), time....
Brainy asked 18/11, 2022 at 22:10

1

I'm trying to use IPython magic command %%timeit and I run into some problems. The chunk that I'm trying to time is not returning a variable I define in it. Specifically, let's say I want to measu...
Tadio asked 25/2, 2018 at 10:29

6

Solved

I played with timeit in Python, got a weird problem. I define a simple function add. timeit works when I pass add two string parameters. But it raises ValueError: stmt is neither a string nor call...
Chlorate asked 10/1, 2019 at 19:33

5

Solved

I was trying out python -mtimeitso I put python -mtimeit "n = 0; while n < 10: pass" Then an invalid syntax error showed up. same with semicolon and for loop. However, when I try semicolon and ...
Gerrilee asked 3/9, 2013 at 21:54

1

The magic command %timeit is not made to be used in a script. In Use Python's `timeit` from a program but functioning the same way as the command line?, the following function was proposed by t...
Towney asked 23/8, 2021 at 19:54

4

Solved

I've always used Python's timeit library to time my little Python programs. Now I'm developing a Django app and I was wondering how to time my Django functions, especially queries. For example, I ...
Overcasting asked 9/12, 2010 at 17:27

2

I need help determining experimentally the computing complexity of the determinant of a matrix nxn My code: import numpy as np import timeit t0 = time.time() for n in range(1, 10): A = np.r...
Crashland asked 19/11, 2016 at 0:13

9

Solved

I've a python script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work. My Python script looks like th...
Mantra asked 19/5, 2010 at 14:24

3

I'm trying to install timeit but this is what I get: $ sudo pip install timeit Downloading/unpacking timeit Could not find any downloads that satisfy the requirement timeit No distributions at a...
Repairer asked 16/5, 2014 at 15:16

1

Solved

I benchmarked these two functions (they unzip pairs back into source lists, came from here): n = 10**7 a = list(range(n)) b = list(range(n)) pairs = list(zip(a, b)) def f1(a, b, pairs): a[:], b[:...
Northrop asked 5/9, 2020 at 19:25

3

Solved

I am wondering about the %timeit command in IPython From the docs: %timeit [-n<N> -r<R> [-t|-c] -q -p<P> -o] setup_code Options: -n: execute the given statement times ...
Spinoff asked 5/9, 2017 at 0:22

2

Solved

For instance, documentation says: Note however that timeit will automatically determine the number of repetitions only when the command-line interface is used. Is there a way to call it from w...
Schlesinger asked 28/9, 2013 at 1:10

1

Solved

I'm trying to write a simple time decorator to measure time taken by functions. However the code below is giving our recursion error. What's wrong with it? import timeit def measure(func): def w...
Snippet asked 24/7, 2018 at 16:38

© 2022 - 2024 — McMap. All rights reserved.