I've composed a page detailing various issues that have caused performance regressions for some on Intel graphics: https://wiki.ubuntu.com/X/Troubleshooting/IntelPerformance
Probably incomplete still, but for anyone with remaining issues might give a few ideas of things to check.
I've composed a page detailing various issues that have caused performance regressions for some on Intel graphics: https:/ /wiki.ubuntu. com/X/Troublesh ooting/ IntelPerformanc e
Probably incomplete still, but for anyone with remaining issues might give a few ideas of things to check.