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FP8 / NVFP4 hybrid — v0.7.1

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@wilsjo2 wilsjo2 released this 08 Sep 12:34
· 43 commits to main since this release
v0.7.1-hybrid
ec96f42

FP8 / NVFP4 hybrid update � v0.7.1

  • Model selector now contains only original FP8 and attempt at NVFP4 hybrid.
  • VERY minor improvements on Blackwell. Measured complete NR-pass reduction at 4K: approximately 1�2%; this is not a game-FPS claim.
  • Removed async NR and the two abandoned NVFP4 modes. Old precision values 1 and 3 now select FP8.
  • Fixed startup crashes when NVIDIA overrides replace the bundled Streamline plugins. Function pointers now come from the active plugins after device initialization.
  • Retains the v0.7.0 Vulkan and compatibility changes.

Close the game, back up your installation, extract the complete package and rerun setup_windows.bat using your existing proxy choice. Keep your existing OptiScaler.ini to preserve settings; the removed AsyncLatest setting is ignored. The hybrid is selected through Model precision; new installations default to FP8. Remove the old nvngx_dlssnr_nvfp4.dll if present. Keep nvngx_dlssnr.dll and the required nvngx.dll_dlssnr.dll forwarder.

The package includes the hybrid's packed weights and compiled kernels. It still requires your separately obtained original NVIDIA NR DLL; that DLL and NVIDIA Streamline/FG runtimes are not bundled. The hybrid requires Blackwell and the supported FP8 model; unsupported shapes retain FP8. The earlier releases remain available for rollback.

Validation: Release x64 build; original hybrid rendering and precision-switch references retained; isolated startup reproducer crashes through the old bundled Reflex pointer and succeeds through active feature resolution. Final BG3 gameplay acceptance remains pending. This is an experimental release.

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