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license: mit
base_model: jhu-clsp/ettin-encoder-1b
library_name: onnx
pipeline_tag: feature-extraction
tags: [code-search, retrieval, onnx, anvesa]
---
# anvesa-code-1b
A code-search encoder for [anvesa](https://github.com/nimishph/anvesa): Ettin-encoder-1b (jhu-clsp, MIT) fine-tuned
on 105 MIT-licensed repositories. ONNX, fp32: `model.onnx` with its weights in `model.onnx_data`, and
`tokenizer.json`. Mean pooling over real tokens, L2-normalised, 512 tokens, no prefix. It embeds anvesa's symbol
cards without their WQL path line.
`ranker-noword.json` is the XGBoost ranker fit on this encoder's scores for anvesa's `experimental.learnedRanker`
(20 features, no word overlap).
| | corpus test (1,710 generated queries, 57 repos, 13 languages) | bench (241 hand-written queries, 8 repos) |
|---|---|---|
| first stage, hub penalty 0.3 | 0.352 | 0.685 |
| with the ranker | 0.370 | 0.699 |
CPU: 373 ms a card (ONNX Runtime, 12 threads). For comparison, all-MiniLM-L6-v2 scores 0.293 and 0.547 without a
ranker.
```bash
anvesa model install anvesa-code-1b --download
```
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