Hello!

I'm working on a scene were a car drives on a dirty road, which creates a lot of smoke/dirt.

I did it with maya fluids pretty fast, but here's my problem :

When I render, without the fluid the render takes 18 seconds. But when I add the smoke, the render takes like 10 minutes, maybe more I'm not sure.

Do you guys know how can I reduce the rendering time with arnold?

Thanks a lot !