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GCC vs. Clang Compiler Benchmarks On POWER9 With Raptor's Blackbird

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  • sophisticles
    replied
    What I wouldn't do to see a 4C/16T or 4C/32T x86-64 cpu.

    Leave a comment:


  • tildearrow
    replied
    v0.3 and no HIB patchset applied yet......... dav1d results
    4K

    Clang: 9fps
    GCC 9: 9fps
    GCC 10: 9fps
    1080p

    GCC 9: 38.49fps
    GCC 10: 39.15fps
    Clang: 39.97fps

    Still not ready for 4K or 1080p60.

    Leave a comment:


  • tildearrow
    replied
    Typo:

    Originally posted by phoronix View Post
    In the SciMark 2.0 C micro-benchmarks is one of the cases where LLVM Clang overall wasd outperforming GCC.

    Leave a comment:


  • tildearrow
    replied
    Originally posted by Michael View Post

    Should be fixed now, thanks.
    Just to inform you: I am active between 12PM and 2AM UTC -5, which is why I couldn't approve the post in time.

    Leave a comment:


  • Michael
    replied
    Originally posted by squash View Post
    Michael Comments link in the article not working? https://www.phoronix.com/forums/node/1115363 gives me an unauthorized error, but navigating through the forum works fine.

    Interesting that gcc10 seems to regress in a lot of tests from gcc9.
    Should be fixed now, thanks.

    Leave a comment:


  • squash
    replied
    Michael Comments link in the article not working? https://www.phoronix.com/forums/node/1115363 gives me an unauthorized error, but navigating through the forum works fine.

    Interesting that gcc10 seems to regress in a lot of tests from gcc9.

    Leave a comment:


  • GCC vs. Clang Compiler Benchmarks On POWER9 With Raptor's Blackbird

    Phoronix: GCC vs. Clang Compiler Benchmarks On POWER9 With Raptor's Blackbird

    While for Intel x86_64 with the latest compilers it's a very competitive race between LLVM Clang and GCC, how is that battle playing out on the IBM POWER9 front? Using the interesting Raptor Blackbird with IBM POWER9 4-core / 16-thread CPU, here are some recent benchmarks I did between GCC 9, GCC 10, and LLVM Clang 8.

    http://www.phoronix.com/vr.php?view=28096
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