Perf Analysis: Registry 線形スキャンがボトルネック (28.51% CPU)

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- perf record で superslab_refill が 28.51% CPU を消費していることを特定
- Root cause: 262,144 エントリの Registry を線形スキャン
- Hot instructions: ループ比較 (32.36%), カウンタ++ (16.78%), ポインタ進める (16.29%)
- 解決策: per-class registry (8 classes × 4096 entries) に変更
- 期待効果: +200-300% (2.59M → 7.8-10.4M ops/s)

詳細: PERF_ANALYSIS_2025_11_05.md

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

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2025-11-05 16:44:43 +09:00

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