I tried it yesterday and got 28fps on my RTX 4090 while path tracing 76M micro triangles at native 4K resolution with 5 bounces. Pretty amazing.A tech demo for RTX Mega Geometry is up from NVIDIA for those who want to try it.
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NVIDIA RTX Mega Geometry Tech Demo Released
The first tech demo shows off the NVIDIA RTX Mega Geometry tech, whereas the second focuses on the RTX Neural Texture Compression.www.dsogaming.com
I tried it yesterday and got 28fps on my RTX 4090 while path tracing 76M micro triangles at native 4K resolution with 5 bounces. Pretty amazing.
The NTC demo looks interesting, the demo shows NTC doing a transcode to BCN with a small perf hit but good vram savings. Am I right in thinking this is so they can use nueral textures on games not natively supporting NTC? Someone in another thread told me this can't be done a few weeks ago so not sure i'm understanding that transcode mode if it's not for that.
Yes, it's a backwards compatible method for GPUs that do not support CoopVec.The NTC demo looks interesting, the demo shows NTC doing a transcode to BCN with a small perf hit but good vram savings. Am I right in thinking this is so they can use nueral textures on games not natively supporting NTC? Someone in another thread told me this can't be done a few weeks ago so not sure i'm understanding that transcode mode if it's not for that.
Yes, it's a backwards compatible method for GPUs that do not support CoopVec.
Also, any GPU that supports SM6.0 or higher can use inference-on-sample, but the performance impact will be significant.
Below is a demo running on Intel iGPU. (No CoopVec, left: inference, right: transcode)
View attachment 13090
they show coopvecs on and off in that video and on the 4090 there was a pretty big performance hit aswell.Below is a demo running on Intel iGPU. (No CoopVec, left: inference, right: transcode)
Performance is almost identical to BCn, with a much larger size of course.
View attachment 13091
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