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  1. 01-04-2018 03:49 PM #11
    panzlock
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    AMD struggles for exclusion from patches:

    https://www.techpowerup.com/240255/a...ecurity-status
    Last edited by panzlock; 01-04-2018 at 03:52 PM.
    I'd like to deploy my troops in her country.
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  2. 01-04-2018 04:22 PM #12
    panzlock
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    Laptop (Model)ASUS X553M, ASUS Zenpad 10 Z300M, ASUS X542BA-DH99, ASUS ROG Strix G15 G513QM-AB91-CA
    MotherboardASUS P8Z68-V LX, ASUS Z170-A, ASUS ROG Strix B350-F Gaming
    ProcessorIntel i5-2500K, Intel i7-6700K, AMD Ryzen R7 1700
    Memory (part number)8GB Kingston 1333MhzDDR3 C9, 16GB G.Skill Aegis 3000Mhz DDR4 C16, 16GB G.Skill Trident Z 3200Mhz C16
    Graphics Card #1EVGA GTX 560Ti, ASUS ROG Strix GeForce GTX 1070 O8G OC, Sapphire Nitro+ RX Vega 56
    Monitor32" Samsung 1080p C32F391FWN, 32" ASUS 1440p VA32AQ, 32" Samsung Odyssey G5
    Storage #1Samsung 850 EVO 250GB 2.5" SSD, WD Black SN750 NVMe (X2)
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    More infromation from AMD:

    https://www.techpowerup.com/240255/a...ecurity-status
    I'd like to deploy my troops in her country.
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  3. 01-04-2018 09:49 PM #13
    Vlada011
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    How much is performance lose for daily usage of home users for Haswell-E and Broadwell-E generation?

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  4. 01-04-2018 09:53 PM #14
    eddie.long
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    Quote Originally Posted by JuSiZ1 View Post
    This and meltdown update broke aisuite on R5E10!!! Please fix this!!!!
    That makes two of us , windows just did its update patch and now ai suite will not work either
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  5. 01-04-2018 10:28 PM #15
    ManMountain
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    1. Explanation of SPECTRE and MELTDOWN.

    https://www.reddit.com/r/Amd/comment...ctre_meltdown/

    2. AMD response in full.

    https://www.amd.com/en/corporate/speculative-execution

    3. Linux now to exclude AMD from PTI patch (Page Table Isolation)

    https://www.phoronix.com/scan.php?pa...isable-x86-PTI
    Last edited by ManMountain; 01-04-2018 at 10:45 PM.
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  6. 01-04-2018 10:30 PM #16
    Nixon2992
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    Quote Originally Posted by Vlada011 View Post
    How much is performance lose for daily usage of home users for Haswell-E and Broadwell-E generation?
    Current update for W10 incscrease latency all calls kernel mode objects(events,critical sections).
    And add some lags in Windows UI and slowdown I/O(unbufered read and write slowdown about 2x).
    Miniatura de Adjuntos Miniatura de Adjuntos TaskManagerMetrix.JPG  

    KernelModeTimer.JPG  

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  7. 01-04-2018 10:38 PM #17
    Monkburger
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    It's slowing down because, every time a user mode to kernel mode context switch happens (and every time a hardware interrupt occurs) the entire Page Table Directory layout has to be switched. This means all the TLB caches are flushed, and that's where the main performance hit comes from...

    This is a terrible solution and the silicon will have to be fixed to correct this issue instead of the current 'workaround' - (Like F00F and other errata)

    It *COULD* be fixed in microcode, if the branch predicate execution itself were not baked into the fetch-and-decode pipeline but into the microcode representations of the x86 ISAs..
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  8. 01-04-2018 10:43 PM #18
    Monkburger
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    Microsoft Powershell Tool to show protection status:

    https://support.microsoft.com/en-hk/...peculative-exe
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  9. 01-05-2018 01:24 AM #19
    Axle Grease
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    Here are the before and after Passmark results for my PC and there's no significant performance hit from KB4056892.

    pre-patch
    Click image for larger version.  Name: before.jpg  Views: 10  Size: 135.3 KB  ID: 70165
    post-patch
    Click image for larger version.  Name: after.jpg  Views: 10  Size: 136.9 KB  ID: 70166
    "Before you criticize someone, you should walk a mile in their shoes. That way, when you criticize them, you're a mile away and you have their shoes." -- Unknown
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  10. 01-05-2018 01:29 AM #20
    Menthol
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    It increases Time Spy score
    http://www.guru3d.com/articles-pages...hmarked,1.html
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