Fwd: Re: [Shootout-list] Science-related benchmarks (speedoptimisation)

[Pascal Obry]

Jon,

 > IIRC, the -O3 switch is allowed to alter the output of the program. It 
 > certainly does here. Thus, it is used by some people and not by others.

That's certainly wrong. An optimization level must not change the output of
a program. Either the program or the compiler is boggus.

Pascal.

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