Re: [streaming] transcoding 0.8.6e, h264 and number of threads used

Hi Nicolas,

Currently I use VLC media player - version 0.9.8a and the Multithred
work excellent without any special setting.

The server is: HP DL585 with 4 Quad-Core AMD Opteron (16 cores) and 24GB RAM

I use VLM for transcode 14 MPEG4 stream to FLV

Tasks: 216 total,   1 running, 215 sleeping,   0 stopped,   0 zombie
Cpu0  : 35.9%us,  0.0%sy,  0.0%ni, 64.1%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu1  : 39.1%us,  0.0%sy,  0.0%ni, 60.9%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu2  : 20.1%us,  0.7%sy,  0.0%ni, 79.2%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu3  : 25.2%us,  1.3%sy,  0.0%ni, 73.2%id,  0.0%wa,  0.0%hi,  0.3%si,  0.0%st
Cpu4  : 24.2%us,  0.0%sy,  0.0%ni, 75.8%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu5  : 37.4%us,  0.0%sy,  0.0%ni, 62.6%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu6  : 19.3%us,  0.0%sy,  0.0%ni, 80.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu7  : 24.6%us,  0.7%sy,  0.0%ni, 74.8%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu8  : 34.9%us,  0.0%sy,  0.0%ni, 65.1%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu9  : 34.8%us,  0.0%sy,  0.0%ni, 65.2%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu10 : 24.8%us,  0.3%sy,  0.0%ni, 74.8%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu11 : 25.2%us,  1.3%sy,  0.0%ni, 73.4%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu12 : 37.7%us,  0.3%sy,  0.0%ni, 61.9%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu13 : 44.5%us,  0.0%sy,  0.0%ni, 55.5%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu14 : 18.3%us,  0.3%sy,  0.0%ni, 81.4%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu15 : 24.4%us,  6.9%sy,  0.0%ni, 64.0%id,  0.0%wa,  1.0%hi,  3.6%si,  0.0%st
Mem:  24670052k total,  1972896k used, 22697156k free,   156360k buffers
Swap:  2031608k total,        0k used,  2031608k free,   435356k cached

Regards,
Alejandro

2009/3/5 Nicolas VANHAUTE <[email protected]>:
> hi,
>
> I'm trancoding a live event with vlc 0.8.6e (in a VLM conf file).
> I changed server because of cpu usage (too high), now I have bi xeon 2.6
> GHz.
>
> It seems to me that VLC doesn't use several cpu, I even tested threads=0 1 2
> 3 or 4... and same result.
>
> I get that with top :
>
> top - 11:40:46 up 1 day, 23:11,  2 users,  load average: 1.04, 0.98, 0.84
> Tasks:  70 total,   1 running,  69 sleeping,   0 stopped,   0 zombie
> Cpu0  :  0.3%us,  0.0%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu1  :  0.0%us,  0.3%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu2  :100.0%us,  0.0%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu3  :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Mem:   4150096k total,   399772k used,  3750324k free,    52136k buffers
> Swap:  1502036k total,        0k used,  1502036k free,   253864k cached
>
>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>
>  4321 nvanhaut  20   0  156m  38m 7572 S  101  1.0   6:51.42 vlc
>
> any idea how to use multithreads ?
>
> Thanks
>
> regards
>
> Nicolas
> --
> __________________________________________________
> Nicolas Vanhaute
> Rectorat de Clermont-Ferrand
> Centre Informatique Académique
> 3, Av. Vercingetorix - 63033 Clermont-Ferrand
> Mel : [email protected]
> Tel : +33 4 73 99 30 52 Fax : +33 4 73 99 30 21
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