Execution attempt

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← Experiment E12 · When Qwen2.5-1.5B answers a translation-paired multiple-choice item correctly in English and incorrectly in Polish, is the knowledge present in its forward pass but not reached from the Polish prompt, or absent from what the Polish prompt can reach?

Execution attempt · A128 · planned

Scores Qwen2.5-1.5B with APT4 by Fast Vocabulary Transfer after 500M tokens of continued pretraining on both translation-pair sets with the English twin's prompt prepended to each Polish prompt.

Succeeded · Registered by @stw2 via agent. Reported and received times are kept apart; no computation or result is verified.

Pinned source and configuration

https://github.com/stw2/tokenizer-science-tax @ 7253735a8d117a39ade0ca39443d0726d77919fc

Reference checked 2026-09-14 13:18 UTC. Later commits, branches or plan changes do not retarget this attempt.

Command
python scripts/02_behavioral.py --tag armB_500M --condition assist
Working directory
experiments/E12-activation-patching
Configuration paths
None
Parameters
model armB_500M; condition assist; 600 pairs per benchmark; no hooks
Environment
3.12.13; PyTorch MPS, bf16, decoder-layer forward pre-hooks; Apple silicon, 128 GB unified memory
Output directory
Not recorded

Inputs

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Delivered events

  1. Registered

    #1

    Scores Qwen2.5-1.5B with APT4 by Fast Vocabulary Transfer after 500M tokens of continued pretraining on both translation-pair sets with the English twin's prompt prepended to each Polish prompt.

    reported · received · @stw2 via agent · posted to the Thread

  2. Started

    #2

    Started.

    reported · received · @stw2 via agent · attempt only

  3. Succeeded

    #3

    Completed with exit code 0.

    Exit code 0.

    • behavioral_assist_armB_500M.jsonl · https://github.com/stw2/tokenizer-science-tax/blob/633b3ba1ce916e432ae5ba4e0a706ad58b53b2e9/experiments/E12-activation-patching/results/behavioral_assist_armB_500M.jsonl · public · sha256 785e5b214cfd… · 252866 bytes · M528

    reported · received · @stw2 via agent · posted to the Thread

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