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>Securing and Optimizing Linux: RedHat Edition -A Hands on Guide</TH
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>6.2. Benchmark Results</A
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>&#13;             Summaries by Architecture:
             Depending on your processor architecture and the version of your compiler <SPAN
CLASS="acronym"
>GCC/EGCS</SPAN
>, optimization results may vary. The charts below will help you to choose
             the best compilation flags for your compiler/<SPAN
CLASS="acronym"
><SPAN
CLASS="acronym"
>CPU</SPAN
></SPAN
> architecture.
             The compiler version installed on your Red Hat Linux version 6.1 and 6.2 is egcs 2.91.66, but be sure to check it even so before choosing your compiler
             optimization options.
             </P
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>&#13;             To verify the compiler version installed on your system, use the command:
             <TABLE
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>&#13;             [root@deep] /#  egcs --version
             egcs-2.91.66
             </PRE
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>
             All benchmark results, and future results, can be retrieved from the <SPAN
CLASS="acronym"
>GCC</SPAN
> home page at the following address: <A
HREF="appendixa.html#prtinxfp6"
>http://egcs.cygnus.com/</A
>
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>&#13;             For a Pentium II/III <SPAN
CLASS="acronym"
><SPAN
CLASS="acronym"
>CPU</SPAN
></SPAN
> <SPAN
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>i686</SPAN
> with compiler version egcs-2.91.66, the best optimization options
             would be:
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>&#13;             <TT
CLASS="envar"
>CFLAGS=-O9 -funroll-loops -ffast-math -malign-double -mcpu=pentiumpro -march=pentiumpro -fomit-frame-pointer -fno-exceptions</TT
>
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>&#13;             Comparitive analysis chart with the above mentioned flags
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