x265 (handbrake) with broken smp support [SOLVED]

[supertomi]

Hello folks,

I use handbrake to process hevc files. But since a few weeks, the smp support is gone, so it´s incredible slow.

HandBrakeCLI gives me:

[jpsollie]

you could try to force smp via --encoder-tune.
could you post the output of --encoder-tune-list and tell us what options there are?
according to x265 documentation: https://x265.readthedocs.io/en/3.1/cli.html, thre should be a few options like --pools and --frame-threads, so it might be worth trying those.
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[supertomi]

Thanks for the quick answer!!

[supertomi]

[SOLVED]

The fault was a broken kernel config without numa support.

[tnt]

why numa was necessary?
was it a multi-socket setup?
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