i have been working on a video in AE CS6 for a couple of days now but something changed after i added a 3D Solid layer with render set to ray-traced 3d, and now i can barely see my project in the compositon window as it gets
extremly pixelated. whith extreme difficulty i managed to complete the project but when i started the render of the viedo it gave me an estimated render time of 104 hrs for just one 3d layer that is only present in the
video for about 5 seconds out of the 4min long viedo. unfortunatly i cant enable GPU Ray-tracing because it says its not complatible even after i updated my drivers.
Gpu: AMD HD-7870
Cpu: A10-5800K (APU)
RAM: 8 gb
That GPU is not one that After Effects will use for PGU acceleration of the ray-traced 3D renderer.
The ray-traced 3D renderer is quite slow when it is just running on the CPU.
For details of GPU processing, see this page: