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Comment on: ERROR: result type Float can't be cast to the desired output type Byte

Repo: elder-plinius/OBLITERATUS by dopamine10
Posted: Mar 6, 2026
**Also hitting the same "Float can't be cast to Byte" error during EXCISE on Qwen2.5 models** (exact same capping message + traceback). **Reproduction / Log snippet:** ``` Layer selection: knee=8, COSMIC=4, fused=12 Selected 12 layers via knee_cosmic (threshold=656773.0625) Strong refusal layers: [35, 34, 33, 32, 31, 30, 29, 28, 21, 20, 22, 19] Refusal subspace extracted (2.8s) Wrapping 100 prompts with chat template chat template 100/100 Capturing baseline logits on 100 harmless prompts for KL... Captured baseline logits: torch.Size([100, 151936]) ✂️ EXCISE — Modifying weights... Capping refinement_passes from 2 to 1: norm_preserve without re-probing causes compound amplification (directions are not re-extracted) ERROR: result type Float can't be cast to the desired output type Byte ``` **Environment details:** - OS: Ubuntu (likely recent LTS, e.g. 22.04/24.04) - GPU: NVIDIA GeForce RTX 3080 Ti (12 GB VRAM) - Driver Version: 590.48.01 - CUDA Version: 13.1 (from nvidia-smi) - T...
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