"JUKKA" <>
13 Apr 1997 21:41:37 -0400

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From: "JUKKA" <>
Newsgroups: comp.compilers
Date: 13 Apr 1997 21:41:37 -0400
Organization: GOOD
Keywords: optimize, performance, question

I just created a Visual C++ program under Windows 95 which
runs slower when it is optimised for speed. And which runs faster
when it is a debug version without any optimisation and lot of extra
debug code.

This happens when I compare two sets of files in 1kb records in a
loop. Somehow the under laying system is faster when the loop
is slower? Do somebody know why this occurs. The difference is
about 10%. This occurs when most of the files are cashed by the


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