UI Animation Performance & Dirty Scene Objects

Hello,

We have a fairly complicated UI system. When running the Profiler, our biggest hit is on Animator Update.
Most notably in two sub categories: Dirty Scene Objects and Apply Animator Move.

We were wondering if there were any obvious solutions to reduce either of these before reconstructing our UI with either Sprites or Meshes? It seems a few other people have encountered similar problems, but no definitive solutions. It seems as if Unity is considering these UI objects "animating" even when they are static / idle...

I've attached a screencap of our profiler running our app on an iPad Mini 1st gen. Basically, it runs amazing on anything past SGX543MP2 line of hardware...

 

Seen a few issues mentioned about performance in these areas.

Best to log it as a bug using the Unity bug reporter in the editor

 

Bumping - its a bottleneck of our project server

 

Getting this too

 

I'm also getting this. Not with UI though... just with normal animations.

 

Why hasn't anyone replied to this? I'm finding it super hard to research this issue, we're also having trouble with both Dirty Scene and Animator Move and I can't find anything pointing if its possible of not to optimize both of these.

 

I'm having trouble with this as well. Animators.Update is taking about 9ms for 100 characters with 20ish bones each. The majority of the Update is in DirtySceneObjects and so far I have been unable to figure out how to reduce it.

 

same here

 

I had this issue with an rigidbody controlled animated character with colliders on the bones. I could solve it, when I attached a kinematic rigidbody to each bone.

 

God damn! That sounds like something that should raise performance warning in Unity! Had that issue for months.

 

Instead of deactivating objects in the UI, you could try simply making them invisible with CanvasGroup.alpha. Activating/deactivating maskable UI elements seems to be really slow.