glthread: pin driver threads to the same L3 as the main thread regularly
This improves performance on my Ryzen 3900X, which has 4 L3 caches and
6 threads per L3.
The best improvement is 33% if the kernel CPU scheduler doesn't move
the main thread too often.
v2: pin only once in 128 batch flushes
Acked-by: Jose Fonseca <jfonseca@vmware.com>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7054>
4 files changed