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Intel C++ vs G++ (was: rpm --initdb)



On Tuesday 20 August 2002 05:37 pm, Bob Proulx wrote:
> Another heads up.  One of the ways the Intel compiler is getting
> performance is by inline expansion of code.  Compile a hello world C
> program, the same as C++, using both gcc and ecc.  Then compare the
> binary file sizes.  The Intel compiler is producing a very large
> executable by comparison.  The things done for SpecINT.  ;-)

Actually, I didn't notice any consistent performance improvement on a P3 Xeon.
I was comparing 
icc -O2 -xi
and
g++-3.2 -O2 -fomit-frame-pointer

Sometimes Intel is faster, sometimes G++.

Cheers,
Oleg



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