Execution time refers to how long it takes a particular program to execute.
Use this tag for questions related to measuring or improving the execution time of a particular piece of code.
Questions tagged [execution-time]
724 questions
1705
votes
39 answers
How do I get time of a Python program's execution?
I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running.
I've looked at the timeit module, but it seems it's only for small snippets of code. I want to time the whole program.
john2x
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1012
votes
42 answers
How do I time a method's execution in Java?
How do I get a method's execution time?
Is there a Timer utility class for things like timing how long a task takes, etc?
Most of the searches on Google return results for timers that schedule threads and tasks, which is not what I want.
Ogre Psalm33
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247
votes
4 answers
How to increase maximum execution time in php
I want to increase maximum execution time in php , not by changing php.ini file.
I want to Increase it from my php file.
Is this possible?
Pritesh Mahajan
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170
votes
11 answers
Find out time it took for a python script to complete execution
I have the following code in a python script:
def fun():
#Code here
fun()
I want to execute this script and also find out how much time it took to execute in minutes. How do I find out how much time it took for this script to execute ? An…
James
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136
votes
12 answers
Maximum execution time in phpMyadmin
When I try to execute (some) queries in phpMyadmin I get this error
Fatal error: Maximum execution time of 60 seconds exceeded in
C:\xampp\phpmyadmin\libraries\dbi\mysql.dbi.lib.php on line 140
because I have a very large table (over 9 millions…
ahmed
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87
votes
11 answers
How to solve time out in phpmyadmin?
I want import huge (at least 300 mb) sql scripts via phpMyAdmin.
I've tried:
post_max_size = 750M
upload_max_filesize = 750M
max_execution_time = 300
max_input_time = 540
memory_limit = 1000M
in my php.ini file, but I'm still getting timeout errors…
user1811486
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86
votes
4 answers
What is the best way to measure execution time of a function?
Obviously I can do and DateTime.Now.After - DateTime.Now.Before but there must be something more sophisticated.
Any tips appreciated.
Ian G
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75
votes
4 answers
Loop with a zero execution time
Is it possible to have a loop which has a zero execution time? I would think that even an empty loop should have an execution time since there is an overhead associated with it.
SudarakaR
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60
votes
5 answers
Is there an efficient way to calculate execution time in golang?
I'm looking for the best way to calculate execution time in go.
func main() {
start := time.Now()
time.Sleep(time.Second * 2)
//something doing here
elapsed := time.Since(start)
fmt.Printf("page took %s", elapsed)
}
The code…
Özgür Yalçın
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54
votes
9 answers
calculating execution time in c++
I have written a c++ program , I want to know how to calculate the time taken for execution so I won't exceed the time limit.
#include
using namespace std;
int main ()
{
int st[10000],d[10000],p[10000],n,k,km,r,t,ym[10000];
k=0;
…
Hick
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45
votes
7 answers
Why is this Java code 6x faster than the identical C# code?
I have a few different solutions to Project Euler problem 5, but the execution time difference between the two languages/platforms in this particular implementation intrigues me. I didn't do any optimization with compiler flags, just plain javac…
rianjs
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40
votes
1 answer
Difference between Rscript and littler
...besides the fact that Rscript is invoked with #!/usr/bin/env Rscript and littler with #!/usr/local/bin/r (on my system) in first line of script file. I've found certain differences in execution speed (seems like littler is a bit slower).
I've…
aL3xa
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39
votes
8 answers
Measure execution time in C#
I want to measure the execution of a piece of code and I'm wondering what the best method to do this is?
Option 1:
DateTime StartTime = DateTime.Now;
//Code
TimeSpan ts = DateTime.Now.Subtract(StartTime);
string elapsedTime =…
Jake
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33
votes
10 answers
PHPUnit print tests execution time
is there a way to print the execution time of each test with PHPUnit?
mck89
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31
votes
3 answers
How to get the execution time of a MySQL query from PHP?
I execute MySQL queries from PHP and would like to know how time consuming they are. Is there any way to get the execution time of a MySQL query from PHP?
I also wonder if the execution time depends on how loaded is the web server. I can imagine…
Roman
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