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From: rcollins@altos86.Altos.COM (Robert Collins)
Newsgroups: comp.os.msdos.programmer
Subject: Re: How Do You Determine Processor Speed Inside A Program?
Message-ID: <4634@altos86.Altos.COM>
Date: 23 Jan 91 16:32:07 GMT
References: <1991Jan22.170156.14647@evax.arl.utexas.edu>
Reply-To: rcollins@altos86.UUCP (Robert Collins)
Organization: Altos Computer Systems, San Jose, CA
Lines: 16

In article <1991Jan22.170156.14647@evax.arl.utexas.edu> duff@evax.arl.utexas.edu (Robert Duff) writes:
>
>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.
>
Yes there is.  Set up a timing loop, and time CPU instructions that have a
known execution (clock) time.



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