Question about scene preparation.

jiv21

User Posts: 37
Nov 7, 2025 21:05

Hi Kirgman.

Thanks for the new version. I have a question for you.

I've noticed that whenever there's a frame jump, there's a scene preparation time. And although this time has been greatly reduced, I still notice it.

Does the scene always reload in the engine, regardless of whether there are any animated objects, materials, or lights in the scene?

For example, if only the camera were moving... couldn't the already loaded scene be reused without going through the "Preparing" process?

This would greatly reduce render time for animations without object movement.

If this is already the case, I apologize for the inconvenience and for taking up your time.

Best.

Kirgman

Administrator Posts: 980
Nov 12, 2025 11:07

Quote
jiv21 wrote: I've noticed that whenever there's a frame jump, there's a scene preparation time. And although this time has been greatly reduced, I still notice it.

Hi Jiv, it's possible to optimize this step if the user notifies the render that it shouldn't update the scene but only a camera.
The scene is refreshed completely with full clear and then full reload for each frame.
However, at first Cinema prepares it's document by itself and we can't influence. Then we collect it to the renderer. However the last step is very fast, but it takes something and it's possible to optimize.
I will think how to perform this in the best way.
Whay are you typical frame times for scene preparation and render?

CentiLeo Chat: https://t.me/centileochat

jiv21

User Posts: 37
Nov 12, 2025 12:17

Thanks for your reply, Kirgman.

I figured it could be done at the user's request. Centileo is incredibly fast, and I don't think I should demand any more speed, but in my obsession with reducing render times...

In my specific case, I can render up to 50,000 images at 4000x2000. So, even if that step were reduced by 1 second, I'd be saving 50,000 seconds. Almost 14 hours of rendering.

Regards.

Kirgman

Administrator Posts: 980
Nov 12, 2025 13:30

Yes, it's important on the large scale, but my interest is how many % of render time is spent for scene preparation and how much % for render of the prepared scene. That can be interesting.
Optimizations will be done in the future of course, it's a never ending story

CentiLeo Chat: https://t.me/centileochat

jiv21 User Posts: 37 Nov 12, 2025 23:22 #5 Hi again, Kirgman. Here's a sample video so you can draw your own conclusions. What I see is that it doesn't start the next frame until it saves the current one. I've noticed in other engines that the save time is independent of the start of the next frame. https://www.mediafire.com/file/uo1orxgnj43x46h/Kirgman.mp4/file Best.

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