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The Performance Cost Of Spectre / Meltdown / Foreshadow Mitigations On Linux 4.19

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  • Panix
    replied
    https://www.pcgamesn.com/intel-secur...ch-performance

    Skylake takes the biggest hit so why not a comparison with common and recent processors?: i7-8700K vs R7 2700X?

    Leave a comment:


  • boltronics
    replied
    Originally posted by GrayShade View Post
    It doesn't, the microcode update provides an optimization for virtual machines, so it makes things a little faster. They probably forgot to update the license after issuing a pre-release version.
    So wait you're saying this is actually faster? And you don't see the problem here?

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  • profoundWHALE
    replied
    It would be great if you had a --relative flag or something for the graphs because a chart that starts in the middle and moves to the left and right from the center.

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  • xiando
    replied
    hahahaha 10-20% drop in performance on Intel, it's over, Intel is bankrupt and finished

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  • Zoll
    replied
    I hope distros put an easy switch somewhere to disable these mitigations for those of us seeking performance.

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  • oibaf
    replied
    Interesting article on future Intel CPUs with HW security fixes:
    https://www.anandtech.com/show/13301...and-amber-lake

    Leave a comment:


  • darkbasic
    replied
    +1 for desktop workloads

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  • GrayShade
    replied
    Originally posted by boltronics View Post
    Well that explains why Intel tried to prevent people doing benchmarks of their latest microcode... that's a much bigger drop in performance than AMD suffers.
    It doesn't, the microcode update provides an optimization for virtual machines, so it makes things a little faster. They probably forgot to update the license after issuing a pre-release version.

    Leave a comment:


  • boltronics
    replied
    Well that explains why Intel tried to prevent people doing benchmarks of their latest microcode... that's a much bigger drop in performance than AMD suffers.

    Leave a comment:


  • nuetzel
    replied
    If we even could see a dual AMD Epyc system, finally. - Bridgman?

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