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Switch to a 64-bit userspace (aarch64)

LuckyKnight

By LuckyKnight
in LG webOS Wish List

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LuckyKnight

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Posted
LG have been using 64-bit (aarch64) capable CPUs in their TVs for years.
 
e.g. Linux LGwebOSTV 5.4.268-320 #1 SMP PREEMPT Mon Jun 17 01:25:25 UTC 2024 aarch64 GNU/Linux
 
However, the user space shipped with webOS is still only 32-bit!:
 
getconf LONG_BIT
32
 
This means that these CPUs are being held back by the continued use of armv7a (32-bit).
 
There are many benefits for you to switch to aarch64, most notably a performance uplift of 20%+. This benefit would be seen by end users without even a hardware upgrade. Aarch64 has lots of benefits, such as FPU being forced as well as far more registers.
 
I think its time to ditch armv7a and move future webOS releases to armv8a. Armv8a has been around since 2011!
 
This change would also increase compatibility as a number of vendors dropped armv7a a long time ago (e.g. Google).
 
For native app developers they would simply need to recompile their binaries into 64-bit, provide 32-bit and 64-bit binaries during the switch over.
 
It wouldn't affect any web developers at all, as they interact with the libraries in the same way whether they are 32-bit or 64-bit.
 
Please consider this move for webOS 26!!!
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