Hi Sunil.
Just a general note: AVX512 is not certainly faster than AVX2 on every
CPU model. There have been a few tests e.g. in the doom9 video forum. So
don't expect miracles.
Knowing your exact CPU model may help estimating if there can be a
speedup, or if it is a model which may e.g. throttle too much to avoid
overheating.
But wait for more experienced replies than mine...
Sunil Kumar schrieb am 28.02.2019 um 09:17:
Hi,
I am new to media encoding, I have heard that x265 is a very efficient
encoding tool on Intel's platform with avx512 enabled. But I am not able
to get good FPS with avx512 enable. Can you please help me improving the
performance?
1) I have tried with core pinning but it seems like using more cores is
not beneficial, even reducing the FPS, How can we decide the no. of
cores for best FPS in multi socket system.
2) Can suggest the command for efficient performance like the best
command line parameters or performance parameters (if we use preset then
it will compromise with the quality of video and same with CRF, help in
deciding best thing).
3) How can I run in parallel or in multi pass (2 pass) please give an
command example.
the command i was using is:
./x265 --input <video.yuv> --input-res 1920x1080 --fps 50 --output
out.hevc --max-merge 3 --no-tskip --no-rect --frame-threads 16 --pools
"+,-" --bitrate 16000 --asm avx512
how can we decide the --fps for input video? max-merge, no-tskip,
fram-threads etc.
Please give command so that it will help me out.
Thanks,
Sunil
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Fun and success!
Mario *LigH* Rohkrämer
maito:[email protected]
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