Phoronix posted some synthetic benchmarks with the patch applied. The main
applications that seem affected are things like database software, while things
like code compiling and video encoding are barely affected.
https://www.phoronix.com/scan.php?page=article&item=linux-415-x86pti&num=2
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-------- Original Message --------
On Jan 3, 2018, 00:43, Aaron Jones wrote:
> I read the performance hit for Intel chips will be %35 or so after the fix.
>
> On Jan 2, 2018, at 7:49 PM, Eric Oyen <[email protected]> wrote:
>
>> so, does this mean that the UEFI might get patched first? OR, does the OS
>> ecology have to do so first? Lastly, how much of a performance hit will this
>> represent?
>>
>> -eric
>> from the central offices of the Technomage Guild, the "oh look! yet another
>> bug!" Dept.
>>
>> On Jan 2, 2018, at 3:39 PM, Matthew Crews wrote:
>>
>>> https://www.theregister.co.uk/2018/01/02/intel_cpu_design_flaw/
>>>
>>> In a nutshell, it is a major security flaw in Intel hardware dating back a
>>> decade that is requiring a complete kernel rewrite for every major OS
>>> (Linux, Windows, Mac, etc) in order to patch out. It cannot be patched out
>>> with a CPU microcode update. Major enough that code comments are redacted
>>> in the patches until an embargo period is expired. Also the reported fix
>>> will have a huge performance impact.
>>>
>>> Also crucial to note is that AMD chips are not affected by this.
>>>
>>> How the heck does something like this go unnoticed for so long?
>>>
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>>> email.
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