[1] http://cgit.freedesktop.org/beignet/tree/README.md
Only IVB is supported right now. Actually, the code was only run on IVB GT2. You may expect some issues with IVB GT1.
The run-time is far from being complete.
In the future there may be good news.
[1] http://cgit.freedesktop.org/beignet/tree/README.md