Update: video sync option only seemed to help - Dash was more or less fluent immediately after login but quickly degraded after opening a Java program (namely IntelliJ IDEA). But disabling CCSM Workarounds plugin really helps.
Update: video sync option only seemed to help - Dash was more or less fluent immediately after login but quickly degraded after opening a Java program (namely IntelliJ IDEA).
But disabling CCSM Workarounds plugin really helps.