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    Thread: Intel security flaw

    1. #1
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      Intel security flaw

      gahahahhahahaha 'Kernel memory leaking' Intel processor design flaw forces Linux, Windows redesign • The Register

      Major security flaw/bug in the processor architecture going back to almost the P2 era (estimation: @UzEE) and the fix will cause slowdowns of up to ~25% in some cases. AMD not affected.

      "Crucially, these updates to both Linux and Windows will incur a performance hit on Intel products. The effects are still being benchmarked, however, we're looking at a ballpark figure of five to 30 percent slow down, depending on the task and the processor model. More recent Intel chips have features such as PCID to reduce the performance hit. Your mileage may vary."

      "PostgreSQL SELECT 1 with the KPTI workaround for Intel CPU vulnerability heads up: Fix for intel hardware bug will lead to performance
      regressions


      Best case: 17% slowdown
      Worst case: 23%"
      Last edited by imadsani; 03-01-18 at 09:31 PM.
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