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Subject: Re: Another memory latency test (another comment)

Author: J. Wesley Cleveland

Date: 13:53:18 07/22/03

Go up one level in this thread

On July 22, 2003 at 16:09:51, Robert Hyatt wrote:

>In looking at your code, it should be noted that a _good_ compiler will
>eliminate it completely, which is a problem.  IE a good compiler builds a
>complete dependency graph, and it will notice that you are not using any
>of the results computed, and they should be simply dropped as "dead code".
>I'll test this with gcc and icc and see what happens, for fun.

I use MSVC. Since the results were significantly different, I had a clue that my
code was doing something.

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