How Do You Determine Processor Speed Inside A Program?

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#4316

From: Robert Duff
Date: Tue, 22 Jan 1991 17:01

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I could not find this in the FAQ to see if this has been answered before, 
so please accept my apologies if it has:

I am trying to write an application that needs to run based on real time.
Unfortunately, my compiler, Turbo C 2.0, does not give enough time 
resolution with function "clock".  Therefore, I must using a counter
loop to achieve proper timing.  My problem is that I want this application
to be portable, and the variation in processor speeds of different 
computers causes faulty timing.

Is there a way to determine processor speed, in a relatively portable way,
from inside a program?  I have looked at a list of standard MsDOS
interrupts and have found nothing.

Thanks for any help.


-------------------------------------------------------------------------------
Remeber the immortal words of Socrates       |  Robert Duff
who said:                                    |  Automation & Robotics Research
          "I Drank WHAT!?"                   |  Institute - (817) 794-5957
                              Chris Knight   |  duff@evax.uta.edu

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!cs.utexas.edu!evax!duff
From: duff@evax.arl.utexas.edu (Robert Duff)
Newsgroups: comp.os.msdos.programmer
Subject: How Do You Determine Processor Speed Inside A Program?
Message-ID: <1991Jan22.170156.14647@evax.arl.utexas.edu>
Date: 22 Jan 91 17:01:56 GMT
Organization: Computer Science Engineering Univ. of Texas at Arlington
Lines: 23