- Renamed `DiffusionModelRunner` to `GPUDiffusionModelRunner` for better clarity in class purpose.
- Updated `DiffusionGPUWorker` to utilize the renamed `GPUDiffusionModelRunner`.
- Simplified output handling in `GPUDiffusionModelRunner` by removing unnecessary checks, enhancing code readability.
- Introduced `DiffusionModelRunner` class to handle diffusion processes, extending `OmniGPUModelRunner`.
- Updated `DiffusionGPUWorker` to initialize device settings and manage memory more effectively.
- Enhanced model execution with support for multimodal inputs and improved tensor management.
- Removed legacy code and streamlined the generation process for better performance.