Re: Efficient Execution Time Profiling ?

grunwald@foobar.cs.colorado.edu
Mon, 11 May 1992 02:58:34 GMT

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Newsgroups: comp.compilers,comp.arch
From: grunwald@foobar.cs.colorado.edu
Keywords: performance, experiment, sparc
Organization: University of Colorado at Boulder
References: 92-04-156 92-05-056
Date: Mon, 11 May 1992 02:58:34 GMT

Actually, according to a grad student looking into it, SunOS 4.1
gettimeofday() returns times with microsecond resolution only on the
SparcStation 1 and the Sun 4/330.


It's unclear what other architectures support the same timer. I would
assume more do. If anyone has any information on the Mostek 48t02 timer,
that might help provide a loadable syscall to explicitly read the clock on
other sun4s.


Dirk Grunwald -- Univ. of Colorado at Boulder (grunwald@cs.colorado.edu)
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