# WanVideoUni3C_ControlnetLoaderMultiGPU `WanVideoUni3C_ControlnetLoaderMultiGPU` loads Uni3C ControlNets for WanVideo, exposing device, attention, and compile options so you can balance performance and VRAM across multiple GPUs. ## Inputs ### Required | Parameter | Data Type | Description | | --- | --- | --- | | `model` | `STRING` | Uni3C ControlNet from `ComfyUI/models/controlnet`. | | `base_precision` | `STRING` | Weight precision (`fp32`, `bf16`, `fp16`). | | `load_device` | `STRING` | Wan loader slot (`main_device` or `offload_device`). | | `device` | `STRING` | MultiGPU device that will host the ControlNet. | | `quantization` | `STRING` | FP8 mode (`disabled`, `fp8_e4m3fn`, `fp8_e5m2`). | | `attention_mode` | `STRING` | Attention kernel (`sdpa` or `sageattn`). | ### Optional | Parameter | Data Type | Description | | --- | --- | --- | | `compile_args` | `WANCOMPILEARGS` | Torch compile configuration for the ControlNet. | ## Outputs | Output Name | Data Type | Description | | --- | --- | --- | | `controlnet` | `WANVIDEOCONTROLNET` | Loaded Uni3C ControlNet ready for Wan samplers. |