Hiss output on Apple Silicon (M3)

#18
by nrotk - opened

Mac Studio (Mac15,14), Apple M3 Ultra 28-core CPU / 60-core GPU, 256 GB, MPS. ComfyUI 0.44.0, PyTorch 2.16.0.dev, yue2_3b_bf16.

Issue: YuE2 VAE decode on MPS β†’ faint rumble/hiss (no music). Same latents decode fine on CPU.

Fix: --cpu-vae.

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