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4GuysFromRolla.com : ASP FAQS : Dates and Times


How can I time the execution speed of my ASP pages to the millisecond?

[Print this FAQ]

Answer: <!--- How can I time the execution speed of my ASP pages to the millisecond? --->

Doing this is easy with a simple server-side JavaScript function:

<script language=jscript runat=server>
function GetTime()
   var d = new Date();
   return d.getTime();

The getTime() method of the Date object in JScript returns the number of millisecond since Jan 1st, 1970. Therefore all you have to do it take a reading immediately before and after the process you are wanting to time. The following is an example, given that the above code it in GetTime.asp:

   Dim StartTime, EndTime

   StartTime = GetTime()
   ' Do some stuff here
   EndTime = GetTime()

   Response.Write "The process took: " & _
         Cstr(EndTime-StartTimes) & "ms to execute"

If you want to see your process time in a better format, use the FormatMilliseconds function (created for the above timing script by www.learnasp.com):

function FormatMilliseconds(intMilliseconds)
   var elapsedsecs = 0
   ar elapsedmins = 0



   elapsedpretty=elapsedmins + " minute";

   elapsedpretty = elapsedpretty+" " + elapsedsecs+" second";

   elapsedpretty = elapsedpretty+ " " +
          intMilliseconds+" millisecond";

   return elapsedpretty;

FAQ posted by Richard Lowe at 10/28/2000 4:08:29 AM to the Dates and Times category. This FAQ has been viewed 54,273 times.

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Last computed at 9/17/2007 3:22:00 AM

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