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Old 20th January 2019, 08:24   #6  |  Link
asarian
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Join Date: May 2005
Posts: 1,462
Quote:
Originally Posted by lansing View Post
I tried to encode a 4K video with a vapoursynth script, vspipe took about 2.7G RAM, the x264_64 process took 4.7G, is this high RAM usage normal?
Typically, a x264 process, with 1080p input (8-bit), takes about 1G here. So, 4G+ for 10-bit seems about entirely right for a 4K source.

Depending on what type of fiters you're using (Temporal denoising/QTGMC, etc), I have vspipe processes that exceed 11G memory. And that's just for 1080p material. I have only 32G, so I don't ever dare and try this on 4K stuff. But it stands to reason the vspipe process will go way over 40G in that case.
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