advanced preference
Asks Curved Spaces to synchronize its animation with your monitor’s refresh cycle. The prevents the tearing that would otherwise occur if the program tried updating the screen image midway through a monitor refresh. It also avoids wastefully computing more than 60 frames per second (cf. Frame Rate discussion).
Regardless of what you choose, the Preferences Panel itself may synchronize to the monitor (some Macs) or suspend the animation entirely (all PCs), so you might not see the effect of disabling Sync to Monitor until you dismiss the Preferences Panel.