[Cin] Rendering multi-threads

Андрей Спицын spitsyn.andrey at gmail.com
Fri Jun 26 22:00:09 CEST 2020


Hi Andrea,
> Another question: How do you configure the render farm to use only the
local CPU cores?
You can run each cinelerra process in separate terminal emulator with -D
key and different ports higher than 1024.



Best regards,
Andrey

пт, 26 июн. 2020 г., 18:27 Andrea paz <gamberucci.andrea at gmail.com>:

> I have a CPU 8 cores / 16 threads, but the final rendering uses only
> one core. I tried with mp4/h264-5; webm/VP9; mkv/h264-5 e Prores. A 45
> min video takes 3h 30m.
> I tried adding the parameters "threads=15", "wpp" which should be
> active by default and "frame-threads=3"; but the result is the same.
> On average I do 15 fps.
> Using h264-5 with nvenc takes 1h20m; but the CPU still uses only one
> core. On average I make 115 fps.
> Using an external engine (handbrake, which uses ffmpeg) you can use
> both the Cpu and the GPU; the rendering will take 10m! (but with lower
> quality).
>
> Since I'm compiling CinGG (note: all threads are used for compiling),
> maybe I need to enable some flags or something like that? Are there
> any customizations to do? Or should I set something in the operating
> system?
>
> Another question: How do you configure the render farm to use only the
> local CPU cores?
> --
> Cin mailing list
> Cin at lists.cinelerra-gg.org
> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>
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