然而，应用繁荣不等于高枕无忧。我国人工智能在基础理论、关键核心技术等方面还存在短板弱项，集中力量攻克高端芯片、基础软件等核心技术刻不容缓。春节前夕，个别人工智能平台出现的系统崩溃，表面看是算力不足的偶发事件，实质反映的正是AI基础设施仍有待完善。应用层面的热闹，不能掩盖基础层面的短板；流量竞争的喧嚣，不应淹没技术攻关的紧迫。
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The tree is rebuilt every frame. For scenes of this scale, quadtree construction is fast enough to rebuild from scratch each frame, though larger simulations may benefit from incremental updates. Each particle queries its neighborhood for potential collisions, typically checking only 5 to 15 candidates instead of all 40. Red highlights indicate colliding pairs.
117 super-reviewers catch bugs 47% faster