On 12 August 2013 13:11, Kenneth Graunke <kenn...@whitecape.org> wrote:
> Hello, > > This surprisingly large series fixes bugs in the data flow algorithm > for copy propagation. As far as I can tell, there were a myriad of > issues. The updated algorithm seems to follow the textbook and > online materials much more closely. > > No Piglit regressions on Ivybridge. > > shader-db statistics are more or less a wash: > > total instructions in shared programs: 1569184 -> 1569423 (0.02%) > instructions in affected programs: 44961 -> 45200 (0.53%) > > A bunch of things are helped by a small margin, while other things are hurt > by a small margin (a couple of extra MOVs). The few hurt shaders I looked > into appeared to suffer from compute-to-MRF not handling control flow. > There may be other reasons as well. > > I'd still like to land it, though, as the old algorithm seems to be > pretty broken. > > > --Ken > I sent comments on patch 2, 7, and 13. The remainder are: Reviewed-by: Paul Berry <stereotype...@gmail.com>
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