... (Returning to comment after switching from the Unity “Ubuntu” session to “Ubuntu Classic” session for one week.)
Moving windows became very slow again. I tried “compiz --replace” but it did not help. I had to log out and back in again to fix it. The Xorg process had a resident memory size of more than 400 MB before I logged out.
After logging out and back in again, moving windows is nice and snappy again.
... (Returning to comment after switching from the Unity “Ubuntu” session to “Ubuntu Classic” session for one week.)
Moving windows became very slow again. I tried “compiz --replace” but it did not help. I had to log out and back in again to fix it. The Xorg process had a resident memory size of more than 400 MB before I logged out.
After logging out and back in again, moving windows is nice and snappy again.