Sunday, July 16, 2017

multiple monitors - Multimonitor on AMD Catalyst and 11.10 feels slowish

I have an AMD X6 desktop with plenty of RAM and a dual LG monitors driven by a Radeon HD 5830. The monitors are on DVI ports. AMD Catalyst Version 11.11. Tear free is on. Sync to V-black in ccsm, is disabled.


Multi monitor works OK, I have no problems dragging applications, working seemless between the two monitors, no instability issues whatsoever.


However, the whole experience with dual monitors is a bit sluggish. Window maximizing and minimizing feels slow, effects feel slower, the whole desktop experience feels other than on a single monitor.


Is this an Ubuntu issue or a GPU issue? Is there something to do to improve the overall experience? Will 12.04 improve on these issues?
Thanks

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