Chris Cason <del### [at] deletethistoopovrayorg> wrote:
> Warp wrote:
> >   I seem to remember that the current Windows beta is compiled using a
> > different compiler than 3.6, and this compiler uses less aggressive
> > optimizations.
>
> 3.6 uses the Intel compiler and additionally run-time profiled
> optimizations. 3.7 is built using the Microsoft compiler and no RTPO.
>
> At the moment (in fact for the last two years at least) it's not been
> possible to successfully build with the Intel compiler due to compiler bugs
> (crashes) Intel appear unable or unwilling to fix.
>
> The result is unfortunately a slower program.
>
> -- Chris

That's too bad because 20% is a pretty big performance hit.

-Mike

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