RECIPE ARCH

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recipe_arch_d125m

d125m (103.4M parameters) on plus_all v2 subset (4 passes) (28.3M words, 4.02 passes), trained on RTX 3060 12GB (Home GPU). Started 5 Oct 2026, ended 5 Oct 2026.

Hypothesis

Value embeddings, a logit soft-cap and document-boundary attention masking help.

What we learned

Lose: 3.9% worse than its layout control. The mask cuts each short evaluation item off from its neighbours; with it off at evaluation the model ties.

Scores

Bits per byte, lower is better; change against the parent run, RECIPE R0docs.

ex-Gītā (headline)
0.7542
bits per byte
+3.9%
ex-Gītā, clean_v1
0.804
bits per byte
+5.7%
Pooled, all five sets
0.7473
bits per byte
+4.3%
Validation split
0.6568
bits per byte
+0.7%
Bits per byte on each test set
Test setRECIPE ARCHRECIPE R0docs (parent)Change
DCS gold (classical)0.82410.7478+10.2%
Bhagavad-gītā (memorisation)0.56640.4682+21.0%
Out of domain0.73660.7212+2.1%
Prose0.72510.6873+5.5%
Vedic (Ṛgveda)1.46431.3191+11.0%

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
103,385,868
Outside embeddings
84,953,868
Layers · heads · width
12 · 12 · 768
Tokenizer
SLP1 unigram 8k

Muon + AdamW, rope, qk_norm, relu^2, untied head, value embeddings, logit cap 30

Data

Slice
plus_all v2 subset (4 passes)
Words
28,300,000
Training tokens
90,886,950
Passes
4.02 passes
Tokens seen
364,953,600

Compute

GPU
RTX 3060 12GB
Where
Home GPU
Steps
7,425 / 7,425
GPU hours
3.46
Cost
—
Spot restarts
—

Lineage

homed125m