| { |
| "stage1_done": true, |
| "chunk_count": 3009820, |
| "zim_source": "wikipedia_ja_all_mini_2026-06.zim", |
| "n_workers": 14, |
| "extractor": "render_faithful_v3 (zim-footer, head/h1 title, HTML entities, inline-tag spacing; navbox by markup; no CJK-space rule)", |
| "title_prefix": true, |
| "prose_facts_split": true, |
| "chunker": "bplus_sentence_token_budget", |
| "token_budget": 256, |
| "min_chunk_chars": 25, |
| "min_article_chars": 25, |
| "overlap": 0, |
| "dedup": "exact sha1-20 over chunk text", |
| "dropped_duplicates": 5, |
| "built_at": "2026-09-15T04:34:23.284353+00:00", |
| "stage2_done": true, |
| "model": "intfloat/multilingual-e5-large", |
| "passage_prefix": "passage: ", |
| "metric": "INNER_PRODUCT", |
| "wiki_url_base": "https://ja.wikipedia.org/wiki/", |
| "dim": 1024, |
| "index_type": "IndexIVFScalarQuantizer", |
| "quantizer": "QT_4bit", |
| "index_kind": "IVF,SQ4", |
| "nlist": 4096, |
| "bytes_per_vector": 525.5878291725087, |
| "recommended_nprobe": 128, |
| "embeddings_fp16": "emb_part{1..N}.f16 — raw float16, 1024 dims, row-major, index-aligned (re-index without re-embedding)", |
| "buffer_size_chunks": 8000000, |
| "index_size_gb": 1.582, |
| "chunks_size_gb": 0.585, |
| "index_memory_gb": 1.541, |
| "gpu_count": 2, |
| "batch_size_used": 512, |
| "n_parts": 4, |
| "reindexed_at": "2026-09-15T15:22:50+0900", |
| "range_fit": "residual quantiles 0.001-0.999 (measured +3.6 pt top-10 fidelity, +0.7 MRR over FAISS min/max on 205,789 ja vectors)", |
| "reindex_note": "rebuilt from the stored fp16 vectors; no re-embedding" |
| } |
