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Measure Execution Time of Code in C#

Posted by Kirtan Patel Articles | How do I November 03, 2009
This article demonstrates how you can find out how much time your code is taking in execution using C#.
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Introduction

Sometimes you may need to find out how much time a piece of code takes in execution. This is very important when an application is slow. By using this approach, you may find out what code takes how much time.

Platform
----------

.net 2.0/3.0/3.5

Language :
------------

C#


What this code will do?
-------------------------------

Code will measure how much time particular code statements takes to execute.

Implementation
----------------------

First of all all, import this namespace. 

using System.Diagnostics;



Now we are using StopWatch class to measure the time taken by the code.

This is how the UI looks like. Download the attached project.




Most of the code is commented in this project so you can understand easily.

 private void btnGetExecutionTime_Click(object sender, EventArgs e)

        {

 

            //First Create the instance of Stopwatch Class

            Stopwatch sw = new Stopwatch();

           

            // Start The StopWatch ...From 000

            sw.Start();

            for (int i = 0; i <= 1000; i++)

            {

 

            }

            //Stop the Timer

            sw.Stop();

 

           

//Writing Execution Time in label

string ExecutionTimeTaken = string.Format("Minutes :{0}\nSeconds :{1}\n Mili seconds :{2}",sw.Elapsed.Minutes,sw.Elapsed.Seconds,sw.Elapsed.TotalMilliseconds);

 

            label1.Text = ExecutionTimeTaken;

 

        }


Now whatever code you write between Start and Stop methods, that you can find out using Elapsed.

Now, you can use StopWatch to check other code. Just Reset the StopWatch using Reset method.

sw.Reset();



Thank you :)

Comments are Expected :)



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