Mobile is the new PC and AArch64 is the new x64

[rikki cattermole]

On 15/11/2018 12:27 AM, kinke wrote:
> On Tuesday, 13 November 2018 at 23:20:08 UTC, Joakim wrote:
>> As my first post notes, 64-bit ARM laptops are now shipping and more 
>> are on the way:
>>
>> https://www.anandtech.com/show/13498/samsung-unveils-galaxy-book2-12inch-snapdragon-850-with-x20-lte-20-hrs 
>>
>>
>> https://wccftech.com/snapdragon-8180-new-details-octacore-soc/
> 
> We'll see where that goes, the Windows ARM adventure with x86 emulation 
> had to fail of course.
> 
> If the power efficiency of ARM was really much better than x86, I wonder 
> why it hasn't exploded in the server market yet, where software 
> compatibility shouldn't play that big a role. Judging by the performance 
> of the AArch64 boxes provided by Shippable/Packet (using -j16 leading to 
> a performance similar to -j3 for an x86 CI service, for the LDC CI 
> suite, but requiring obviously a lot more memory for that throughput), I 
> guess it's not that much better when the x86 chips are tweaked for 
> throughput (server CPUs: lower frequencies, lower voltages, much more 
> cores).

Some are applying ARM for servers. Cloudflare is a great example of this[0].

But they do have to invest quite a bit in R&D to get everything working 
right. Which may or may not have something to do with it.

[0] https://blog.cloudflare.com/neon-is-the-new-black/