E-CTX base s2

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i9small_base_s2_d60m

d60m (68.9M parameters) on plus_clean subset, trained on RTX 3060 12GB (Home GPU). Started 3 Oct 2026, ended 3 Oct 2026.

Hypothesis

Seed 2 of the shared 60M baseline, to measure noise.

What we learned

ex-Gita 0.6842, a 0.26% seed gap: a screen counts only past twice that.

Scores

Bits per byte, lower is better; change against the parent run, E-CTX base.

ex-Gītā (headline)
0.6842
bits per byte
+0.2%
ex-Gītā, clean_v1
—
bits per byte
Pooled, all five sets
0.6761
bits per byte
+0.3%
Validation split
0.6696
bits per byte
+0.1%
Bits per byte on each test set
Test setE-CTX base s2E-CTX base (parent)Change
DCS gold (classical)0.67980.6795+0.0%
Bhagavad-gītā (memorisation)0.46250.4622+0.1%
Out of domain0.68810.686+0.3%
Prose0.65630.6547+0.2%
Vedic (Ṛgveda)0.92470.9254−0.1%

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
d60m
Parameters
68,924,160
Outside embeddings
56,636,160
Layers · heads · width
8 · 12 · 768
Tokenizer
SLP1 unigram 8k

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

Data

Slice
plus_clean subset
Words
—
Training tokens
325,604,238
Passes
1 passes
Tokens seen
325,582,848

Compute

GPU
RTX 3060 12GB
Where
Home GPU
Steps
6,624 / 6,624
GPU hours
1.99
Cost
—
Spot restarts
—

Lineage

homed60m