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Questions tagged [timeit]

A Python built-in module for measuring execution time of small code snippets.

A Python built-in module for measuring execution time of small code snippets. It provides a Timer class which can be used to measure execution times.

According to the documentation, it "avoids a number of common traps for measuring execution times".

Documentation: https://docs.python.org/3/library/timeit.html

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timing two algorithms (python) using timeit or time

I am having some trouble using the time or timeit functions to determine the runtime of two algorithms within python. So far I have this def normal(sound): for s in getSamples(sound): largest=max(0,getSampleValue(s)) amplification =…
ddbg
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What is time unit returned by Python's timeit module for multiple repetitions?

I read that the time unit returned by the timeit module is seconds. However, if I have multiple repetitions, e.g. min(timeit.Timer('my_function(t)', 'from __main__ import my_function, t') …
user2489252
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Do Python functions copy the input parameters to the function?

I have the following example in Python: import numpy as np import timeit # array size m = 3000 # square array a = np.random.rand(m, m) # column vector b = np.random.rand(m) # solve ti = timeit.default_timer() x = np.linalg.solve(a, b) tf =…
wigging
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Difficulty in using Timeit module

count = 10, 100, 1000, 10000 for each value of count, i need to execute the method 5 times using timeit and print out the min value and the actual 5 values. numstring contains four functions in it. output should look like (a total of 16…
coderusher
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profiling using timeit module setup fails

Here i'm trying to profile four functions from numstring module from numstring import * #loading functions to profile import timeit def profile_timeit(): funcs_list = [numbers_string1, numbers_string2, numbers_string3, num_strings4] for i…
coderusher
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checking the execution time for sub-instructions, python

How should i check the execution time for a sub instruction in python? The execution time for any instruction is easily available by adding %time before calling the function: %time function call now i have to know what really consumes time…
Hypothetical Ninja
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timeit modlue vs time module vs time in Linux - why are the results different greatly?

everyone! I am trying to test the creation performance of dictionary with objects, but I get some weird results. I used three different methods to measure the time to create lots of dictionary in Python. The first solution is time module. I know it…
Sheng
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How do you use timeit to time how long it takes a function to run?

Trying to figure out how long it takes this piece of code to run: import timeit as t def fib_recursive(n): if n==0: return 0 elif n == 1: return 1 else: return fib_recursive(n-1) + fib_recursive(n-2) print…
hannah
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How to properly import a function for use in timeit

I'm using the timeit function to run some metrics on two methods I've written, and I'm encountering an issue. See the simplified example files below: fileA.py, this runs stand alone, and I'm trying to test the function, foo with timeit: if…
turbo
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Importing nested functions into timeit

What is wrong with my setup parameter in the following? import timeit import random from copy import copy def shortBubbleSort(aList): n = len(aList) - 1 iterating = True while n > 0 and iterating: iterating = False for i…
whytheq
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Python: Memory Error when creating large array of unique values

I'm learning python, and I came across a problem that asks to evaluate running times on sets of random inputs of length 10^8 using timeit. I know how to use timeit, but I'm having trouble creating the array of size 10^8. Below, I show my methods. t…
user2812970
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%timeit statement1; statement2;

In IPython, when working with the magic %timeit does %timeit statement1; statement2; measure statement1 or statement1 and statement2 together (sequentially)? I would like to measure the latter.
Amelio Vazquez-Reina
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Finding the Running Time in Python

I have the following code which works perfect: from __future__ import division from math import log, sqrt from scipy.stats import norm from datetime import datetime #Default values used for testing s1 = 10; s2 = 20 …
Oniropolo
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timeit throwing keyerror in Python

I am trying to time a simple Python method using timeit but I keep getting the following error File "", line 6, in inner KeyError: 'tree' The code, as shown below, creates a 'tree' object and then I attempt to pass that object in the…
jule64
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What is the logic behind the design for timeit?

I am new to Python and figured I'd play around with problems on Project Euler to have something concrete to do meanwhile. I came across the idea of timing different solutions to see how they rate against each other. That simple task turned out to…
posdef
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