Hey there,
I’m using Iray engine built-in Daz Studio 4.15. My PC setup includes an i7-12700KF, 64 GB of RAM, and an RTX 4090, all running on the latest GPU and motherboard drivers, BIOS, etc. For almost a year now, I’ve been rendering 10320x4320 images with a denoiser, and it’s worked perfectly - no issues at all.
However, recently, my PC shut down unexpectedly. I wasn’t at my desk at the time, so I’m not sure what happened. I just got a message on the motherboard boot screen saying it couldn’t load the previously set BIOS settings. I didn’t think much of it, restart my PC, and everything seemed fine.
Until now. I can’t use the denoiser at high render resolutions anymore. Every time I try, I get something like this:
2024-12-26 22:15:52.935 Iray [INFO] - IRAY:RENDER :: 1.0 IRAY rend progr: Received update to 00004 iterations after 85.011s.
2024-12-26 22:15:56.568 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(359): Iray [ERROR] - POST:RENDER :: 1.0 POST rend error: input resolution too large, tensor size 5715394560 (max 4294967295)
2024-12-26 22:15:56.568 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(359): Iray [ERROR] - POST:RENDER :: 1.0 POST rend error: input resolution too large, tensor size 6204030976 (max 4294967295)
2024-12-26 22:15:56.569 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(359): Iray [ERROR] - POST:RENDER :: 1.0 POST rend error: input resolution too large, tensor size 5715394560 (max 4294967295)
2024-12-26 22:15:56.569 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(359): Iray [ERROR] - POST:RENDER :: 1.0 POST rend error: input resolution too large, tensor size 6204030976 (max 4294967295)
2024-12-26 22:15:56.569 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(359): Iray [WARNING] - POST:RENDER :: 1.0 POST rend warn : Denoising failed: Invalid value
2024-12-26 22:15:56.569 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(359): Iray [WARNING] - POST:RENDER :: 1.0 POST rend warn : Failed to allocate device memory. Postprocessing will fall back to CPU.
2024-12-26 22:15:56.582 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(359): Iray [WARNING] - POST:RENDER :: 1.0 POST rend warn : denoiser is not available on CPU and will be disabled.
I’ve tested several scenes that used to be rendered perfectly in hige res, but now none of them will render with the denoiser active.
And those scenes only use about 14-15 GB of VRAM out of the RTX 4090’s 24 GB, so I’m confused about why this is happening. If I reduce the image size slightly, to something like 9300x3900, it works fine.
Any idea what’s causing this, or if there’s a way to reverse it and get things back to normal?