32 lines
1.6 KiB
Markdown
32 lines
1.6 KiB
Markdown
---
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language: en
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library_name: llama.cpp
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pipeline_tag: text-generation
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tags:
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- gguf
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---
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An experimental ablation of Gemma-3-27B-it, using the [Heretic](https://github.com/p-e-w/heretic) tool.
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Compared to the standard configuration of Heretic, there are a few changes:
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1. The training and test datasets used were extended compared to the default subset used by Heretic
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2. A version of [Magnitude-Preserving Orthogonal Ablation](https://huggingface.co/blog/grimjim/norm-preserving-biprojected-abliteration) (MPOA) is used
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3. To stay faithful to MPOA, the harmful direction to ablate is chosen from between 2 layers (Heretic's "global" direction scope)
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4. To stay faithful to MPOA, a 99% winsorization is applied to the residuals
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5. Some additional refusal markers were added to avoid bypassing the refusal detection with bad punctuation
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To achieve strong results:
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1. Parameter ranges were iteratively refined by looking at resulting refusal and divergence scores
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2. The scoring function was adjusted to prioritize low-refusal results
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The model name contains the properties of the ablation:
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1. `MPOA` for the usage of Magnitude-Preserving Orthogonal Ablation
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2. `G` for the usage of global direction scope
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3. `W` for the usage of winsorization
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4. `D` for the measured KL divergence
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5. `R` for the number of refusals
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Original: https://huggingface.co/spikymoth/G3-Heresy-MPOA-G-W99-D0.0690-R02
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GGUF (standard): https://huggingface.co/spikymoth/G3-Heresy-MPOA-G-W99-D0.0690-R02-GGUF
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GGUF (imatrix): https://huggingface.co/spikymoth/G3-Heresy-MPOA-G-W99-D0.0690-R02-i1-GGUF
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MLX: https://huggingface.co/spikymoth/G3-Heresy-MPOA-G-W99-D0.0690-R02-MLX |