Dear Jorge,
I got the same problem several month ago, coot works fluently in a virtual
machine of centos 5 or ubuntu but not in a host machine of the same OS.
Just 2 days ago, in order to run program more quickly, I convert the virtual
machine of Ubuntu 14.04 to a physical machine.
And
Dear all,
My machine has openSuSE 12.3, a lenovo ideadpad with 8 cores (4 are
virutal) and 8 GB memory.
For a number of coot versions in it (including the newest one),
coot answers slowly to rotating, but specially the space bar translate
is even more slow (from residue x to x+1 etc.)