The First Benchmarks Of Unity On XMir: There's A Performance Hit

Written by Michael Larabel in Display Drivers on 28 June 2013 at 02:14 AM EDT. Page 4 of 5. 113 Comments.
Ubuntu XMir System Compositor Intel Benchmarks
Ubuntu XMir System Compositor Intel Benchmarks

OpenArena 0.8.5, which is a rather CPU-limited game and doesn't even make use of GLSL, saw no performance difference at 800 x 600 but at 1920 x 1080, the old game saw its frame-rate drop by about 25% with going through XMir.

Ubuntu XMir System Compositor Intel Benchmarks

The GLSL-using OpenArena 0.8.8 release also suffered from performance overhead with XMir.

Ubuntu XMir System Compositor Intel Benchmarks

There was slight performance degradation for the Prey (id Tech 4) commercial game when tossing XMir into the equation.


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