Intel CPU Bug Cannot Be Fixed With Microcode Update | Cripples Performance Up To 30 Percent

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Intel are in a world of trouble, as it has been discovered that a bug in the design of their processors could impact performance by up to 30 PERCENT, and worse - not microcode update will fix the issue at all. Therefore, if you wish to retain the current hardware you'll need a OS based update, which will negatively impact performance. Adding further insult to injury, this problem doesn't occur with AMD hardware, a potential diaster for Intel going forward given AMD's moves with Epyc against Intel's Xeon in the datacenter.

SOURCES - https://lkml.org/lkml/2017/12/27/2

https://lwn.net/Articles/569635/

https://lkml.org/lkml/2017/12/4/709

https://www.theregister.co.uk/AMP/2018/01/02/intel_cpu_design_flaw/

http://pythonsweetness.tumblr.com/post/169166980422/the-mysterious-case-of-the-linux-page-table

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