RECIPE WD τ0.25

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recipe_wd_t025_d125m

d125m (97.2M parameters) on plus_all v2 subset (4 passes) (28.3M words, 4 passes), trained on RTX 3060 12GB (Home GPU). Started 4 Oct 2026, ended 5 Oct 2026.

Hypothesis

Weight decay with a quarter-epoch timescale.

What we learned

ex-Gita 0.6946, 2.8% better: past the optimum, so τ0.5 is bracketed.

Scores

Bits per byte, lower is better; change against the parent run, RECIPE R0.

ex-Gītā (headline)
0.6946
bits per byte
−2.9%
ex-Gītā, clean_v1
0.7178
bits per byte
−3.4%
Pooled, all five sets
0.6865
bits per byte
−2.7%
Validation split
0.6791
bits per byte
−1.5%
Bits per byte on each test set
Test setRECIPE WD τ0.25RECIPE R0 (parent)Change
DCS gold (classical)0.68650.6993−1.8%
Bhagavad-gītā (memorisation)0.47380.4431+6.9%
Out of domain0.69720.7186−3.0%
Prose0.66060.6755−2.2%
Vedic (Ṛgveda)1.07821.1793−8.6%

Curves

Training loss

Cross-entropy per token, by step. The first few percent of the run, far higher, run off the top; hover or the table has every value.

Held-out bits per byte

The validation split, evaluated during training, by step. Lower is better.

Throughput

Tokens per second, by step.

Model

Preset
d125m
Parameters
97,241,856
Outside embeddings
84,953,856
Layers · heads · width
12 · 12 · 768
Tokenizer
SLP1 unigram 8k

Muon + AdamW, rope, qk_norm, relu^2, untied head, weight decay

Data

Slice
plus_all v2 subset (4 passes)
Words
28,300,000
Training tokens
91,236,966
Passes
4 passes
Tokens seen
364,953,600

Compute

GPU
RTX 3060 12GB
Where
Home GPU
Steps
7,425 / 7,425
GPU hours
3.39
Cost
—
Spot restarts
—

Lineage

homed125m