On Wed, Apr 5, 2017 at 11:04 PM, Jason Ekstrand <ja...@jlekstrand.net> wrote:
> Before, we were just looking at whether or not the user wanted us to > wait and waiting on the BO. Some clients, such as the Serious engine, > use a single query pool for hundreds of individual query results where > the writes for those queries may be split across several command > buffers. In this scenario, the individual query we're looking for may > become available long before the BO is idle so waiting on the query pool > BO to be finished is wasteful. This commit makes us instead busy-loop on > each query until it's available. > > This significantly reduces pipeline bubbles and improves performance of > The Talos Principle on medium settings (where the GPU isn't overloaded > with drawing) by around 20% on my SkyLake gt4. > Skylake GT2 running Talos, medium settings, some scene of my choice: before: 32fps after: 36fps GL: 38fps Tested-by: Grazvydas Ignotas <nota...@gmail.com>
_______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
