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Thread: LLVM Clang 3.4 Is Running Very Well On AMD's High-End APU

  1. #11
    Join Date
    Feb 2012
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    Quote Originally Posted by carewolf View Post
    Read the results again. Maybe you confused the graphs. GCC is the one that is faster in 90% of the tests.
    90%? It seems you are the one confused...

  2. #12
    Join Date
    Oct 2008
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    3,176

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    Quote Originally Posted by Sergio View Post
    90%? It seems you are the one confused...
    I find the current clang results pretty impressive. But then i think someone said that clang is using link time optimizations by default now in -O3? That probably explains it right there. If GCC had -flto added to the flags it would probably jump out in front again.

  3. #13
    Join Date
    Dec 2012
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    41

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    Quote Originally Posted by smitty3268 View Post
    I find the current clang results pretty impressive. But then i think someone said that clang is using link time optimizations by default now in -O3? That probably explains it right there. If GCC had -flto added to the flags it would probably jump out in front again.
    I haven't said that if you're referring to my post. -flto needs to be manually enabled, it isn't with any -O levels.

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