I recently switched from Lumion to Twinmotion, but when opening a new project the GPU usage jumps to 100% with nothing imported yet. With Lumion this was never an issue, even large urban scale projects would run without a problem. Is there a way to fix this?
System specs:
I7-8700k,
NVIDIA GTX 1080
32 GB RAM
I attached some shots of an empty Twinmotion file with changes in settings, showing that the GPU usage remains way too high.
I don't have an answer, but I'm experiencing the same thing on a beast of a machine. An empty scene and my GPU is pegged at 100% with 400w of power draw. It's impossible to use because my fans go nuts trying to deal with the heat.
System specs:
17-12700k
RTX 3080 ti
32GB ram
Not sure if this helps but I can have everything on Ultra except "effects" on medium and my power draw is under 150w. As soon as I move "effects" to high, my power draw on the GPU jumps to 400w and my card starts to get a coil whine. Definitely something up with whatever that setting is adjusting.
I was having exactly the same issue but I think I have a solution. My GPU use is now down at a manageable 30% and temps back to around 50C
Using the NVIDIA Control Panel you can limit the maximum frame rate of each programs. Putting this at 30FPS has solved the problem. 60FPS probably also works as it will stop the uncapped frame rate that the software is trying to work at.
Twinmotion didn't appear in the list of programs initially controlled by the NVIDIA Control Panel but it was easy to add. I also set the OpenGL rendering to use the GPU rather than auto-select and also set power management to normal - these might not be neccessary.
I'm having the same issue and limiting the FPS in NVIDIA actually doesnt help. GPU is still at 100% capacity with a new empty file in twinmotion 2022.2.3.
Thank you for posting in the community and my understanding is that the real GPU % you are looking for is displayed in the Activity monitor.
If Twinmotion is not the active window the GPU usage will drop and release it for the other applications to use. When working on large scene it is best to have the least amount of applications running to avoid any potential overloading of the GPU and RAM.
The 99%-100% means it trying to use all of the GPU to perform as best as possible regardless of what is in the scene. Having a low number means it can not use all of the GPU card if needed. Thus having 100% is a good thing. You can reduce it "somewhat" when changing the quality settings to low as it won't need as much GPU to process less detail.
On an empty scene my activity monitor states 7-12% GPU usage with an RTX 2080 Super. Quality Settings on Ultra.
This will also vary depending on the size of the Twinmotion window and screen resolution plus what you are doing with Twinmotion.
I also wanted to share an article to reference on the statistics.
I come with a new PC based on a 12700K + GTX 3080 (more than the requirements expected for TM). Quality setting is on High level.
The GPU is too charged (99% at 350W in CPUID HWMonitor) and is not acceptabled. By limiting the FPS to 30 in NVIDIA Panel I have a GPU at 40% and 150W.
TM seems to be not very well optimzed for this card actually.
