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Mail Archives: djgpp/2002/09/19/09:24:37

Date: Thu, 19 Sep 2002 15:18:30 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: "Sisco, Michael" <mdsisco AT qtiworld DOT com>
cc: "Djgpp (E-mail)" <djgpp AT delorie DOT com>
Subject: RE: Fw: uclock() within an interrupt handler
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On Thu, 19 Sep 2002, Sisco, Michael wrote:

> At startup, I spend one second and use uclock() together with the RDTSC
> macro (read
> time stamp counter) to quite accurately calculate the processor speed. I
> then use RDTSC any time I need a precise time within my interrupt handler.
> This seems
> to work very well (with the added benefit that RDTSC is significantly faster
> than
> uclock()).
> 
> Do you see any problems with this approach?

Sounds okay.

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