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  "released_at": "2026-09-15",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
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  "version_url": "https://ai-local-lab.com/data/releases/v1.9.0/",
  "attribution": "ai-local-lab (https://ai-local-lab.com)",
  "title": "ai-local-lab ローカルAI実測データセット",
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    "devices": 14,
    "models": 62,
    "feasibility_records": 102,
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    "switch_successes": 43,
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  "changelog": [
    "benchmarksにoptional列 bench_protocol・stream・prompt_cached_tokens・model_digest・num_ctx の5つを追加（schema 1.2.0）。既存189件のレコード内容は不変でbackfillはしない。既存レコードのttft_msは同一プロンプトを繰り返す計測でプロンプトキャッシュが効いた状態のwarm値。今後の新規レコードは bench_protocol=cache-busted-v2（各リクエストで一意nonceを付与してキャッシュを無効化・無効化をキャッシュ命中数または評価時間比で検証・num_ctx明示）で区別できる。読者向けbench_ollama.pyも同方式に更新（--prompt-cache busted既定・prompt_cached_tokensを記録・キャッシュ命中数が不明または2以上のrunではprefill_tok_per_secを出さない）",
    "新機材 Jetson Orin NX Super 16GB を追加（Nano 8GBとは別機体）。GPU標準計測11件（ollama 0.34.0・num_predict=256・warm）でベンチ計測を178件→189件に拡充、モデルマスタに Qwen3 8B・Qwen3 14B・Gemma 3 12B・Qwen2.5-VL 3B の4本を追加。feasibilityに20B/30B限界域2観測（gpt-oss:20b・qwen3:30b-a3b はGPU/統合メモリでOOMクラッシュ→CPU強制で低速稼働）を追加し 100件・103観測→102件・105観測に更新",
    "feasibility（100件・103観測）とswitch（3セッション・12run・48試行）の新規データセットを追加（ルーター企画 Phase 0 Step B）。benchmarksはoptional列load_ms・cold_ttft_msの前方宣言のみで既存178件のレコード内容は不変",
    "ベンチ計測を177件→178件に拡充（RTX 4060 Laptop持ち越し分のLLM-jp-4 8Bを追加、同機材の持ち越しをゼロに確定）",
    "ベンチ計測を155件→177件に拡充（R5: 新モデル5本 Qwen3-VL 8B・Qwen2.5 Coder 7B・GLM-OCR・MiniCPM-V 4.6・Nemotron 3 Nano 4Bを追加、モデルマスタ53→58）",
    "ベンチ計測を144件→155件に拡充（RTX 4060 Laptop最終セッションで11件追加。全機材の計測を完了）",
    "ベンチ計測を120件→144件に拡充（Pi5有線化で完走8件、Jetson展示サービス浄化後3件、RTX 4060 Laptop初計測13件）",
    "ベンチ計測を96件→120件に拡充（Mac mini M4フィルギャップ20件、Raspberry Pi 5フィルギャップ3件、Jetsonフィルギャップ1件）",
    "ベンチ計測を80件→96件に拡充（A6000フィルギャップ5件・新モデル計測3件、Pi5フィルギャップ7件、Jetsonフィルギャップ1件）",
    "モデルマスタにQwen3 30B A3B・Qwen2.5 Coder 32Bを追加",
    "CSV/JSONにデータセット版とスキーマ版を付与",
    "公開可能な生ログを端末名サニタイズ・SHA-256チェックサム付きで配布",
    "読者向けOllamaベンチマークスクリプトを追加"
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