[Ardour-Users] ardour 4 // slow graphical interface (Robin Gareus)

[jk at jasonkahn.net]

hello robin

i just tried ardour 4.0.306 as indicated below and 
found no change in the responsiveness of ardour. 
also cpu usage was more or less the same for both 
x11 and ardour.

best regards

jason


> To further track down various issues mentioned in this thread,
> debug-builds (either from http://nightly.ardour.org/ or self-builds
> without --optimize) now allow to override this. (since Ardour 4.0-217)
>
>
> Please try
>
>    export ARDOUR_IMAGE_SURFACE=1
>    Ardour4
>
> or
>
>    cd <ardour-src>/gtk2_ardour; ARDOUR_IMAGE_SURFACE=1 ./ardev
>
>
> 1) Is there a significant difference to responsiveness (scroll/zoom)?
>
> 2) What is the total CPU usage when playing with follow-playhead,
>     mixer+meters (compare with and without ARDOUR_IMAGE_SURFACE=1).
>     The interesting part is the sum of X11/xorg + Ardour CPU usage.
>
> 3) People who had visual rendering artifacts, with ARDOUR_IMAGE_SURFACE
> set they should be gone. It'd be great to get confirmation of that.
>
>
> thanks in advance for helping investigating this.
>
> Cheers!
> robin