Re: Efficient Execution Time Profiling ?

grunwald@foobar.cs.colorado.edu
Fri, 8 May 1992 00:29:22 GMT

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Newsgroups: comp.compilers
From: grunwald@foobar.cs.colorado.edu
Keywords: experiment, testing
Organization: University of Colorado at Boulder
References: 92-04-156 92-05-008
Date: Fri, 8 May 1992 00:29:22 GMT

pardo@cs.washington.edu (David Keppel) said:
...
> Some specific systems have accurate clocks that can be accessed at low
> and/or predictable delay. ...


According to some asking around, SparcStations-1's and -2's have an
other-wise unused timer available. The other timer is used for the 100Hz
(or whatever) interrupt.


We're in trying to mmap this puppy into user memory to use for timing, but
I would imagine others have done this already.


If you have, please let us know how it went & if you can share the source
(yes, we have a license).
--

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