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| { | |
| "figure": "Figure 1", | |
| "caption": "Figure 1. The concept profile of the `for` statement on the model's own neurons. All 24 x 6,144 MLP neurons of OpenCoder-1.5B are drawn in place, one row per layer, at the end of pretraining (2,034 B tokens). **Top:** the carrier set -- the 5% of neurons with the largest standardised entries -- in the colour of its entry pi(A) - pi(B), in units of the yardstick's sigma0; every other neuron is grey. Each coloured cell is its own profile entry, and the grey set is exactly the complement of the carrier set. **Bottom:** one role, two tokens. The indented `for` and the module-level `for` are two unrelated vocabulary entries carrying the same grammatical role; each neuron is coloured by which of their two carrier sets it belongs to. The sets overlap by 0.494, against their own twin ceilings of 0.837 (module) and 0.850 (indented) -- 0.59 of the ceiling, ten times the chance level of 0.050, and well short of one representation. Within a layer the neurons are ordered by degree, how many of P1's 169 carrier sets a neuron belongs to, because index order scatters a construct's carriers across the whole row; the order is fixed once and reused so later maps are comparable. Drawn on the recorded 20-cell yardstick.", | |
| "files": [ | |
| "<data>/validation/paper1/FIG1_neuron_map.svg", | |
| "<data>/validation/paper1/FIG1_neuron_map.png" | |
| ], | |
| "reference": "pretrain_iter_0484865", | |
| "reference_described_as": "end of pretraining (2,034 B tokens)", | |
| "construct": "For", | |
| "twin": "twin1", | |
| "yardstick": "the recorded 20-cell split (paper 1's, 21 Oct)", | |
| "layout": "<data>/validation/paper1/LAYOUT_neurons.npz", | |
| "acceptance": { | |
| "every_coloured_cell_traces_to_a_profile_entry": true, | |
| "grey_set_is_exactly_the_complement_of_the_carrier_set": true, | |
| "raster_holds_exactly_the_carrier_set": true, | |
| "n_carriers": 7373, | |
| "scope_overlap_share_of_K": 0.49423572494235724 | |
| }, | |
| "degree": { | |
| "max": 169, | |
| "mean": 8.45022922092014, | |
| "share_zero": 0.1068996853298611 | |
| }, | |
| "scope_panels": [ | |
| "module", | |
| "indented" | |
| ], | |
| "scope_panels_missing": {}, | |
| "provenance": { | |
| "inputs": [ | |
| "profiles/pretrain_iter_0484865/twin1/For.npz", | |
| "validation/carriers/pretrain_iter_0484865", | |
| "record/pretrain_iter_0484865/twin1__For_{A,B}_acc.npz" | |
| ], | |
| "reference": "pretrain_iter_0484865", | |
| "battery_prompt_hash": "570b42db13f8fe5772b8d1a9ad7d55d6fa1279dae5948ad94e8363789bcbc1ad", | |
| "code_commit": "3325b25", | |
| "design": "9-Paper-1/2610-18Oct_PAPER-1-Design.md sha256 47f6a664\u2026" | |
| } | |
| } |