Benchmark: X.org VS Mir

This is an interesting article by Paolo Rotolo, it’s a comparison of MIR (in the Xmir version that will be present on Ubuntu 13.10) and the current Xorg.

After the announcement of Canonical on Mir, which will be included as a default display server in Ubuntu 13.10, I decided to do some tests (benchmark, in the jargon), to see whether the performances of Mir are comparable to those of the good old X.org (the daemons currently present on Ubuntu), as promised by Mark Shuttleworth on his blog.
All benchmarks were performed with the suite “Phoronix Test” on Ubuntu 13.10 (Saucy Salamander).
I’ve done all the test run on an hardware with low-medium specs (especially the video card), because with a more powerful PC, the differences between X.org and Mir would have been less relevant.

Here is the configuration of the PC on which I’ve done all my tests:

The video card is an integrated Intel HD 2500.
As for the graphical interfaces that I’ve tested: Unity, GNOME-Shell, KDE and XFCE on both Mir on X.org.
The test results are in FPS (Frames Per Second): the larger the value, the better. For example, to play a game “smoothly” it would take around 25-30 FPS. Below this threshold, the images could result a bit “jerky”.
1° test: QGears 2.
I tested the fluidity during the execution of QGears2, a software designed for testing video cards. In particular, it has been tested the ability of scaling of an image.
Results:

General ranking:
1st place: Xfce – X.org;
2nd Place: Kde – X.org;
3rd place: Xfce – Mir;
4th Place: Kde – Mir;
5th place: GNOME-Shell – X.org;
6th Place: Unity – X.org;
7th place: Unity – Mir;
8th place: GNOME-Shell – Mir;
Winners:
Unity: X.org;
GNOME-Shell: X.org;
Kde: X.org;
Xfce: X.org;
The first appearance of Mir on the ranking is on the 3rd place with Xfce. Even the last places, unfortunately, are all occupied by Mir. Regarding the GUI

Read more at Linux Aria

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