that's because there is no unity2d anymore, but it's using the llvmpipe based swrast-driver that uses the cpu for all the effects, on this hw anyway since there is no native DRI driver.
** Package changed: xorg (Ubuntu) => unity (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1158291 Title: 13.04 unity is impossibly slow on Eee PC. Was fine under 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1158291/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp