Thanks thanks, you confirmed my thoughts. I was wondering if it was possible for the compiler to automatically produce the alternative code to make the software able to execute on a lower CPU (as u see, i have low qualities of coder :p)
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This is exactly contrary to your earlier statements implying that portability was of utmost importance.
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Nope, nope, that's a too fast conclusion coming from an isolated sentence. there's not only gcc and icc in the world, portability can also be assumed in a laboratory with another compiler than the one choosen in that other laboratory, or this one... The only conclusion i can make of what's happening here (100+ persons writing source code, great majority of them being doctors) is that gcc is in all the cases the elected compiler.
Tho, i totally agree that on each specific platforms, there's several alternatives to gcc, which can certainly provide better results, as i wrote before, i have no preference for gcc or another one...