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From: rn@informatik.uni-kiel.dbp.de (Rilo Nauman)
Newsgroups: comp.lang.c,comp.benchmarks
Subject: measuring runtimes
Keywords: runtimes
Message-ID: <2435@alf.informatik.uni-kiel.dbp.de>
Date: 21 Feb 91 09:46:57 GMT
Followup-To: comp.lang.c
Organization: Universitaet Kiel, Germany
Lines: 20


I need to measure runtimes of functions and moduls of
C-programs under sun-OS.4.1 on a sparc station 1.
I'm looking for a timer with quite a high resolution.
Till now, I'm using system-calls to clock() and
setitimer()-/ getitimer()-calls but the best resolution
I can get is about 16.6 ms (60 Hz), (10 ms ).
Does anyone know a possibility to get a better resolution
of the runtime ?
By the way, does anyone exactly know what kind of runtime
is measured by calls to clock() and getitimer(ITIMER-VIRTUAL,
ITIMER_PROF) ?
The manual isn't very precise at this point!

Any hints and suggestions are recommended !

Please respond to
rn@informatik.uni-kiel.dbp.de

Rilo Naumann


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