On Thu, Mar 26, 2009 at 3:08 PM, Joel Falcou <joel.falcou@u-psud.fr> wrote:
Michael Fawcett a écrit :
Joel, how does the extension detection mechanism work? Is there a small runtime penalty for each function as it detects which path would be optimal, or can you define at compile-time what extensions are available (e.g. if you are compiling for a fixed hardware platform, like a console).
I have a #ifdef/#elif structure that detects which extension have been set up ont he compiler and I match this with a platform detection to know where to jump and how to overload some functions or class definition.
I tried the runtime way and it was fugly slow. So I'm back to a compile-time detection as performance was critical.
That's the answer I wanted to hear. --Michael Fawcett