Leo Famulari writes: > On Fri, Mar 03, 2017 at 02:04:14AM -0600, Matthew Brooks wrote: >> This came up in a help-guix thread, and Ricardo Wurmus asked me to >> post here requesting that Mesa be built with LLVM to improve Gallium's >> performance. >> >> The original post is here: >> https://lists.gnu.org/archive/html/help-guix/2017-02/msg00141.html >> but in short, when running GuixSD on my system, Gnome is unusably >> slow, and while LXDE is usable, trying to play even 480p videos >> results in a slideshow rather than a video. >> On Trisquel though, even though it's also blobless and using Gallium, >> the performance is vastly better, and even HD videos play fine. >> >> I'm not really familiar with stuff this deep into the system, so if >> there's any extra info you all need then just let me know and I'll be >> happy to provide it. > > I used to use GuixSD's GNOME on my Thinkpad x200s but, at some point, it > started to have the problem you describe. I decided to stop using GNOME > instead of investigating the bug because I had no idea where to start > looking. > > But if I can help change some packages and test the changes, please let > me know how. What are your hardware specs? For testing, you could try building "mesa" with "--enable-gallium-llvm" and maybe "--enable-llvm-shared-libs". It could be interesting to see how Trisquel builds mesa.