Mesa Benchmarks Post-ReZ RadeonSI Change, Another Game Jumps Up By ~20%
Written by Michael Larabel in Mesa on 16 October 2016 at 08:19 AM EDT. 8 Comments
MESA --
Earlier this week was a discovery of a "serious performance fix" For the RadeonSI Gallium3D driver by disabling ReZ. That change landed in Mesa Git already so I ran some before/after benchmarks.

The discovery by AMD's Marek Olšák was described by him as luck and the small patch to disable ReZ ended up boosting the DIRT Showdown performance by about 15%. In my before/after benchmarks, unfortunately, the game wasn't working for me on my system with its open-source driver stack... When loading the DiRT Showdown test profile as usual via the Phoronix Test Suite, the game would end up getting hung on the loading screen. Didn't have that problem a few months back on RadeonSI last time I tried.

Anyhow, I ended up running a few other games looking for performance differences before/after the Mesa Git upgrade this week. A Radeon R9 Fury and Radeon RX 480 were used for testing.

BioShock Infinite looks like it may be trying to push slightly higher with the new Git code...

The only other Linux game where I found a big performance improvement was Tesseract! Was quite surprising to see Tesseract boosted by this latest Git code and it's quite hefty with the R9 Fury performance going up by 23% and the RX 480 up by about 20%.

Details and info on the other Linux OpenGL test cases that were run can be seen via this OpenBenchmarking.org result file.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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