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A comment on H.264 is magic (2016). Parent comment

Re:H.264 is magic (2016) by gubbrora on Saturday May 25, 2019 @09:59PM (#20012685)
Is it possible to (ab)use that hardware support to do other tasks by mapping them to a decoding task?
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Re:H.264 is magic (2016) by Const-me on Saturday May 25, 2019 @10:22PM (#20012744)
Dunno. Why would you want to? You can already compute lots of stuff on GPUs.

Couple generations ago, AMD did the other way, they used GPU shader ALUs for video encoding/decoding. They stopped doing that because power efficiency is worse than custom silicon that’s now in all modern GPUs, even in mobile SoCs.

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