SmolLM3-3B-a1lamp-4bit

4-bit MLX quantization of SmolLM3-3B with the A1-lamp Task-LoRA fused into the base weights. Research artifact for an on-device LLM personalization study (two-stage LoRA: a shared Task-LoRA + a per-user User-LoRA trained on-device).

  • Base: HuggingFaceTB/SmolLM3-3B (bf16, frozen).
  • Fused adapter: A1-lamp Task-LoRA (r=4, α=8, all 7 projections), 1-epoch checkpoint-1000, trained on LaMP-{3,4,7} with a BM25 top-4 profile in the system slot. Merged into the base with PEFT merge_and_unload, then quantized to 4-bit (4.5 bits/weight) via mlx_lm convert.
  • Intended use: the frozen deployment base onto which a fresh per-user User-LoRA (r=8, q+v) is trained on device. Personal User-LoRAs are trained on-device and are not part of this repo.

Thinking mode is off in the study's regime (SmolLM3 emits <think>…</think>; disable via the chat template's /no_think).

Load with MLX:

from mlx_lm import load, generate
model, tokenizer = load("ageyko/SmolLM3-3B-a1lamp-4bit")
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