Mobile is the new PC and AArch64 is the new x64

Joakim dlang at
Sat Dec 1 09:53:30 UTC 2018

On Wednesday, 14 November 2018 at 11:27:03 UTC, 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:
> We'll see where that goes, the Windows ARM adventure with x86 
> emulation had to fail of course.

It works fine, performance is good enough for most.

> 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).

Amazon just announced their own custom-designed AArch64 server 
core for AWS:

I mentioned the Cloudflare server benchmarks against Intel 
earlier in this thread, comparable performance with half the 
electric power dissipation:

All that said, I don't think cloud will matter that much, as 
mobile p2p is poised to replace a lot of it.

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