[Spice-devel] Spice-gtk and cpu consumption

[nicolas prochazka]

hello,
I'm doing some tests with last git spice-gtk. ( LAN )

[  Qemu 1.0 / spice from git / spice-gtk from git ]
[ host : Linux 64bit  /kernel 3.1 / bi xeon 56xx ]
[ guest : Windows 32 bits or Seven 64 bits ]
[ spice-gtk on my laptop or on thin client : Wyse Z90 , libjpeg-turbo]

- On my laptop, with decent processor ( sempron / graphics card is
dri2 / drm capable) :
 - I can see video very well with spice-gtk
 - if I move a windows as firefox , it's it' really smoothly
- cpu consumption :  spice-gtk ~ 30%  , X ~ 10%


- On a thin client as wyse Z90 ( AMD G-T52R 1.5GHz Processor with AMD
Radeon™ HD 6310 Graphics  )  ( dri2/ drm )
http://www.wyse.com/products/hardware/thinclients/Z90/index.asp

- if i move a windows as firefox is very bad , lag is important
- If i see a video , it's very bad ( lag / bug jump ..)
- cpu comsumption : spice-gtk ~ 75% , X ~ 25
 ( cpu load is < 1 )

My question is :
So it's seems spice-gtk is very hungry,
how can optimize it ?

- is it only libjpeg-turbo that do the big stuff so nothing to do ?
- do you know which piece of code is so hungry ?

Regards,
Nicolas Prochazka.