[CinCV TNG] Cinelerra CVE - disabled multithreading in codecs?

Andrew Randrianasulu randrianasulu at gmail.com
Mon Jul 17 22:24:25 CEST 2017


В сообщении от Monday 17 July 2017 22:55:26 Einar Rc3bcnkaru написал(а):
> On 07/17/2017 08:21 PM, Andrew Randrianasulu wrote:
> > В сообщении от Monday 17 July 2017 14:53:59 Einar Rc3bcnkaru написал(а):
> >> On 07/17/2017 03:24 AM, Andrew Randrianasulu wrote:
> >>> Hello again!
> >>>
> >>>
> >>> I just compiled and installed Cinelerra-CVE
> >>>
> >>> Cinelerra-CVE 2.3.5
> >>> (C) 2006 Heroine Virtual Ltd.
> >>> (C) 2006-2017 The CinelerraCV Community
> >>> Internal ffmpeg library versions:
> >>>       libavutil      54. 31.100 / 54. 31.100
> >>>       libavcodec     56. 60.100 / 56. 60.100
> >>>       libavformat    56. 40.101 / 56. 40.101
> >>>       libswscale      3.  1.101 /  3.  1.101
> >>>       libswresample   1.  2.101 /  1.  2.101
> >>> Compiled on Пн июл 17 01:43:25 MSK 2017
> >>>
> >>>
> >>> and loaded very same mjpeg files I used to test Cinelerra-CV.
> >>> They can be played - but even decoding in CVE is slow, with video
> >>> output device set to x11_xv I only get 7-8 fps. (1.4 Ghz * 4 core, but
> >>> cores NOT maxed out during decoding)
> >>
> >> The GHz is quite pointless number during last 15 years. I had several
> >> computers during this time all about 2GHz. Always the next had 1.5 - 2
> >> times better speed.
> >
> > sorry, here is cat /proc/cpuinfo
>
> According to
> https://www.cpubenchmark.net/cpu.php?cpu=AMD+FX-4300+Quad-Core it is a
> 3.8 GHz CPU. cpuinfo shows the current cpu MHz

And this about to be 'fixed' in 4.13+:

http://lkml.iu.edu/hypermail/linux/kernel/1707.0/01366.html

- Stop trying to export the current CPU frequency via /proc/cpuinfo
 on x86 as that is inaccurate and confusing (Len Brown).
 
To be honest, I think new behavior will be more confusing for me, but .....

>
> Einar
>
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