It seems that the issue is related to https://bugs.launchpad.net/ubuntu/+source/indicator-multiload/+bug/996273 . When I quit from the indicator-multiload, the compiz CPU usage reduces from 10-12% to 1-3%.
It seems that the issue is related to https:/ /bugs.launchpad .net/ubuntu/ +source/ indicator- multiload/ +bug/996273 . multiload, the compiz CPU usage reduces from 10-12% to 1-3%.
When I quit from the indicator-