On 2 March 2017 at 21:52, Timothy Arceri <tarc...@itsqueeze.com> wrote: > > On 03/03/17 01:49, Emil Velikov wrote: >> >> Hi Tim, >> >> On 2 March 2017 at 01:36, Timothy Arceri <tarc...@itsqueeze.com> wrote: >>> >>> This reduces the cache size for Deus Ex from ~160M to ~30M for >>> radeonsi. >>> >>> I'm also seeing the following improvements in minimum fps in the >>> Shadow of Mordor benchmark: >>> >>> no-cache: ~10fps >>> with-cache-no-compression: ~15fps >>> with-cache-and-compression: ~20fps >>> >>> Note the with cache results are from the second run after closing >>> and opening the game to avoid the in-memory cache. >>> >>> Since we only really care about decompression I went with >>> Z_BEST_COMPRESSION as suggested on irc by Steinar H. Gunderson >>> who has benchmarked decompression speeds. >>> >> Attempting to side-step the "which compression is best" topic, I'll >> just mention: >> zlib has been around for a long time than many others so, >> a) chances are smaller that vendors that ship their own, but even if they >> do >> b) the API should be stable across the system and bundled one. >> >> If not we can reconsider if things get hairy ;-) >> >> A couple of small suggestions below. >> >> >>> +ZLIB_REQUIRED=1.2.8 >>> >> Any particular reason behind this version - afaict it's released in >> 2013 and I'm wondering if some distros may be slow/missing it. >> > > It's what's shipped with Fedora and therefore what I tested with. If distros > are lagging behind I don't think this is a problem we need to be concerned > with, it may prompt them to upgrade which I don't think is a bad thing. > I was thinking about Debian and friends, which tend to be slower than others. From what I can tell they rarely consider external factors as a reason to update.
That aside, they have 1.2.7 for "oldstable" and 1.2.8 for everything else so everything's fine. -Emil _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
