Batch Subdivide Mesh at Render Time - Arnold for Maya

What does it do:

This tool will setup Arnold to automatically subdivide all of your selected mesh at rendertime. It will also setup adaptive subdivision, in order to minimise calculation time, in a way that still allows for instancing of assets.

How to use it:

Select all of the meshes you want to have subdivide automatically at render time.

Run the script.

Enter how many subdivisions you want into the interface.

Installation Instructions:

Open the .py file in any text or script  editor.

Paste the entire contents of the .py file into  the Maya Script Editor.

Save the script as a button to your shelf.

Optimisation