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.