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submitted 11 months ago by empireOfLove2@lemmy.dbzer0.com to c/technology@lemmy.world

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[–] AnUnusualRelic@lemmy.world 1 point 11 months ago (1 child)

I meant without dedicated circuits, obviously. Can't it be parallelised? Many cpus have a lot of relatively idle cores at a given time...

I remember that my 486 had trouble with mp3 files, but soon enough, I got a new machine with many more spare cycles.

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[–] douglasg14b@lemmy.world 2 points 11 months ago

That is parallelized... I didn't make mention of threading being the concern here.

The 100+ billion operations per second isn't exactly easy.

4k 60fps = 498 million pixels per second

Each pixel takes a couple hundred logical operations with HEVC.

A modern high end 4GHz, 8 physical core CPU at 4 instructions per cycle, at maximum capacity, can handle 128 billion operations per second.

You probably wouldn't even get your realtime framerate in this scenario.

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