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Results
Mike Wright edited this page Sep 14, 2026
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Concise answers first; the evidence is one link deeper.
| Question | Current answer |
|---|---|
| Does top-1 routing increase stored capacity efficiently? | Yes: 1.86 times the parameters at 1.02 times the active parameters per token |
| Do experts specialize? | Yes at this synthetic scale: 0.61 against a 0.25 blind baseline |
| Is top-2 clearly better? | No: better fit, first held-out MLPL answers, worse validation loss, twice the work |
| Does more training fix low-data behavior? | No: doubling epochs at 120 examples worsens validation loss |
| Does more data help? | Yes: eightfold data cuts validation loss by two thirds |
| Does sparse dispatch save work? | Yes: 13,440 to 3,360 expert row evaluations, outputs exactly equal |
| Is sparse dispatch faster yet? | No: dispatch bookkeeping outweighs the tiny matmuls skipped |
| Are cheap experts worth it? | Sixteen rank-4 deltas cost half of four full experts and give the best validation losses so far |
flowchart LR
Q[Quality: exact match by family, validation loss] --> F[Findings]
E[Economics: parameters, active per token, bytes] --> F
R[Runtime: expert evaluations, latency, throughput] --> F
D[Diagnostics: entropy, balance, KL, specialization] --> F
- Current findings: seven claims, each as evidence, interpretation, and limitation
- Resource economics: sizes, expert cost, stored versus active, quantization projections, residency, transfer estimates, each labeled measured, derived, or estimate
- Quality: exact match by task family and validation loss, including the data-scale sweep
- Generation benchmark: time to first token, throughput, tail latency
- Full results table: one row per run
- Docent results table: the campus docent runs, with the held-out paraphrase columns where value over the deterministic matcher is measured
- Live demo verification: what was checked on the published page after each deploy
| Model | Parameters | Active per token | Validation loss |
|---|---|---|---|
| DN01 dense | 3,812 | 2,996 | 3.79 |
| MX01 top-1 of 4 | 7,096 | 3,064 | 3.76 |
| MX02 top-2 of 4 | 7,096 | 4,136 | 3.92 |
| LD01 shared plus 16 deltas | 6,132 | 3,396 | 3.46 |
See Experiments for the runs and Learn for the mechanisms.