Here's a quick LD_PRELOAD hack to wrap XSync. It passes through to the real XSync, but you can comment the line to make it a noop, or do whatever you want.
** Attachment added: "XSync stub library for testing." https://bugs.launchpad.net/compiz/+bug/1049214/+attachment/3450221/+files/xsync.c -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1049214 Title: [nvidia] XSync usage is a massive bottlenecking factor (nvidia performance regression in Compiz 0.9.8+) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1049214/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

