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⚡ Bolt: ML予測のエンドポイントにLRUキャッシュを導入し、NumPyのオーバーヘッドを削減#28

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⚡ Bolt: ML予測のエンドポイントにLRUキャッシュを導入し、NumPyのオーバーヘッドを削減#28
hombredennis66 wants to merge 1 commit into
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bolt-ml-cache-optimization-7165488355348166595

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@hombredennis66

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💡 What: MLServiceのpredictメソッドにLRUキャッシュ(lru_cache)を導入しました。また、1つのサンプルのみを予測する場合のNumPy配列生成とインポートのオーバーヘッドを削減しました。

🎯 Why: 同一の入力特徴量に対する繰り返しリクエストのパフォーマンスを大幅に向上させるためです。

📊 Impact: 同一入力に対する予測時間が約0.27msから約0.0009msに短縮されました(約300倍の高速化)。

🔬 Measurement: benchmark_ml.pyを使用して、キャッシュなしとキャッシュありの実行時間を比較検証しました。すべてのユニットテスト(pytest)がパスすることを確認済みです。


PR created automatically by Jules for task 7165488355348166595 started by @hombredennis66

- MLService.predictにインスタンスごとのlru_cacheを導入
- 単一サンプルの予測においてNumPy配列生成を回避しオーバーヘッドを削減
- 同一入力に対するレスポンス時間を大幅に改善

Co-authored-by: hombredennis66 <228391118+hombredennis66@users.noreply.github.com>
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