Comfy-Org / Comfy-Org/ComfyUI

FP8 seems not working on RDNA4

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Feature
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Python
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Description

### Feature Idea

Trying latest ROCm7 with Pytorch for ROCm 7.0 but still not using FP8 even when trying to force with:
--supports-fp8-compute

Returning this when executing:
"model weight dtype torch.float8_e4m3fn, manual cast: torch.bfloat16"

GPU is a RX 9070 RDNA4

### Existing Solutions

_No response_

### Other

_No response_

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