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From: eugene@ames-pioneer.arpa (Eugene Miya N.)
Newsgroups: comp.compilers
Subject: Re: Static analysis of code for "flop counting"?
Message-ID: <565@ima.UUCP>
Date: Wed, 6-May-87 23:31:07 EDT
Article-I.D.: ima.565
Posted: Wed May  6 23:31:07 1987
Date-Received: Sat, 9-May-87 09:08:34 EDT
References: <1299@ames.UUCP>
Sender: johnl@ima.UUCP
Organization: NASA Ames Research Center, Moffett Field, Calif.
Lines: 26
Approved: compilers@ima.UUCP
In-Reply-To: <552@ima.UUCP>


In article <552@ima.UUCP> Henry Spencer writes:
>
>[You can run your assembler through a preprocessor that puts counting code
> before each float operations.]
>This gets you fast, accurate counts without compiler cooperation.
>
>				Henry Spencer @ U of Toronto Zoology

Bullshit.

It's very intrusive (typically around 10%).  This is enough to totally
wreck measurement on all and worse: synchronization on parallel codes.  If you
want a reference to identifying the problem I will mail it, otherwise
forget it.

From the Rock of Ages Home for Retired Hackers:

--eugene miya
  NASA Ames Research Center
  eugene@ames-aurora.ARPA
  {hplabs,hao,ihnp4,decwrl,allegra,tektronix,menlo70}!ames!aurora!eugene
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