𒂠𒁇 𒇽𒆤𒇲 (eshbar-lulilla)

Decision Index 0.3 public score: 70.27 (self-run).

  • A continued full fine-tune of plantwaterer/liquamen (google/gemma-4-31B-it) with its own last-layer head.
  • Engine: eshbar_lulilla:Engine, in-process, from this repository. Engine, head, store and executor files are pinned by MD5 in PINS.json and checked at load.
  • Kit: apolinario/decision-index @ 9eb2dbe2a358004c8782c66e40a83ac07b953fec.

Usage

REPO=$(python -c "from huggingface_hub import snapshot_download; print(snapshot_download('plantwaterer/eshbar-lulilla'))")
PYTHONPATH="$REPO" python -m decision_index run --engine eshbar_lulilla:Engine --option model="$REPO" --compact --out runs/eshbar-lulilla

Inference

  • Precision, attention, averaging, head: bf16; packed document attention (full-attention layers bidirectional within a prompt, sliding-window layers causal); for requests under a length limit, the answer is averaged over 4 option orders. Ordinary choices: the letter logits' softmax at one fitted temperature T = 1.4004 (no posterior). Yes / no decisions: a Laplace posterior on binary (yes / no) decisions, integrated.

  • Knowledge store and executed answers. After that pass, a question can be answered another way when all of these hold:

    • it is the request's only question;
    • its options are all plain numbers, or all yes / no (true / false) words;
    • the first pass gives no option at least 0.925 (numeric options) or 0.75 (yes / no options).

    A numeric question first goes to a bundled knowledge store (country-level statistics; see Third-party components). If the store returns a confident value that matches exactly one option, that option is the answer. Otherwise the model writes one short Python function — greedy decoding of at most 320 new tokens, run with a multi-token-prediction draft head whose proposals the model itself verifies token by token, so the program is still the model's own greedy output — and a bundled exact-arithmetic executor runs it, in-process, as a GPU kernel. Where the kernel cannot load, the executor's interpreter runs instead, with identical results. The answer changes only when the returned value equals exactly one option and the function computed it (a bare constant return does not count).

    In both cases the chosen option gets probability 0.99, and the others share 0.01 in proportion to the first pass. In every other case the output is the first pass's, bit for bit.

  • Draft head. The draft head is Google's Gemma-4 multi-token-prediction assistant (from google/gemma-4-31B-it-assistant, Apache-2.0), shipped in this repository as gemma-4-31B-it-assistant/ and pinned by MD5 like every engine file. With it, outputs are certified answer-identical to the non-draft engine: on 2,000 measured requests, 0 choice flips. A generated program can still differ where its top-2 logits sit within one bf16 ulp — a step-tie the non-draft path also flips between its own runs — and no measured answer changed.

  • Hardware: one GPU with at least 75 GB (bf16 weights 62 GB); fits one RTX PRO 6000 (96 GB). The executor's kernel ships prebuilt (sm_75 to sm_120).

Latency (one RTX PRO 6000 Blackwell, 1,000-request samples)

Median 302 ms, mean 693 ms, p80 928 ms, p95 2,165 ms on the board's 1,000-row public sample. On a held-out-like 1,000-request sample with eight times the routing rate: median 195 ms, mean 421 ms, p80 347 ms. Model load and warm-up (up to about four minutes) are not included.

Third-party components

  • eshbar/xr_runtime/, the executor: derived from LOOM by Mehmet Kerem Turkcan and contributors (https://github.com/mkturkcan/Loom), Apache License 2.0, modified. Its LICENSE and NOTICE are in that directory.
  • store_table.json, the knowledge store's table: licensed CC BY-SA 4.0. It contains data from Our World in Data (CC BY 4.0), compiled from the producers listed in DATA_NOTICE, including V-Dem (CC BY-SA 4.0). Values are rounded to three significant figures and re-indexed, so the table is a modified version of the original data. Full attribution: DATA_NOTICE.

Training data

Continued from plantwaterer/liquamen, whose card lists that training data, its licences and attributions; they carry over. Added here:

  • Decontaminated train splits of CLINC150 (CC BY 3.0) and BANKING77 (CC BY 4.0) in the training mixture, and of HoVer (CC BY-SA 4.0, with English Wikipedia text), WinoGrande (CC BY) and the Habermas Machine training cohorts (CC BY 4.0).
  • ChessBench training positions from google-deepmind/searchless_chess (CC BY 4.0; portions CC0 from lichess.org), labelled with Stockfish.
  • Synthetic questions built with the public Decision Index kit's task builders (the home-appliance simulator and the POP909 chord vocabulary), with every kit dev and test problem removed.
  • LLM Bayesian Teaching Data (https://doi.org/10.5281/zenodo.17677329, CC BY 4.0), MedMCQA (https://github.com/medmcqa/medmcqa, MIT), and synthetic questions generated by the author.

No test split of any benchmark was used.

Capacity limits

  • Context: max_len 32,768 tokens; nothing truncated.
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