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Composite Bypass Support Sharply Bumps XMir's Performance

Michael Larabel

Published on 29 August 2013
Written by Michael Larabel
Page 4 of 4 - 40 Comments

While Xonotic at 1280 x 1024 had issues in composite bypass, fortunately it didn't at 1920 x 1080. The latest Mir packages still cause some performance loss over a pure X.Org Server, but it's not nearly as bad as the state of Mir/XMir yesterday in Ubuntu 13.10.

The new Mir packages were also beneficial in eliminating some of the performance loss for the GL3 GpuTest workloads too.

The Mir/XMir performance is moving in the right direction and eliminating more of the performance overhead of having XMir in the rendering stack, but it will be interesting to see how the real Mir performance is when Mir-native games/applications begin to appear in 2014. There are also other features to be worked on for Mir aside from closing the performance gap.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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