The Thunderbird team continues its work on the next big version of the open source em

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ARM Accuracy Super Resolution (ASR), dedicated temporal upscaling for low-power devices

Wake up samurais GPU enthusiasts, there’s new upscaling in town.



Today, ARM introduced a new upscaler for mobile devices. The company confirmed it is an open-source solution intended for all developers working with ARM-powered devices. ARM explained why it skipped spatial upscaling techniques (like AMD’s FSR1) and jumped directly to temporal upscaling.

ARM engineers were inspired by FSR2, which is provided under the MIT license and allows other developers to participate in its development or create something entirely new. FSR2 was a starting point that encouraged ARM to focus on enabling higher fidelity and better performance for low-power devices. These devices now power billions of units, many of which are smartphones running thousands of 3D games.

ARM says that temporal upscalers are more complex to implement, but the final result is better. The company used FSR2 code and started adjusting it for their purposes. This allowed ARM to save a lot of engineering effort while focusing on important aspects, such as optimizations. The company is also using familiar APU configurations and has similar quality profiles.
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