A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
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市场还担忧 AI 会加大定价压力并削弱企业护城河。软件企业原有的竞争优势可能被 AI 侵蚀，增长前景更加不确定，这让投资者难以判断合理估值，导致市场情绪偏向“卖出”。Piper Sandler 已经下调了 Adobe、Freshworks、Vertex 等公司的评级，分析师认为“席位压缩”和“氛围编码”趋势可能限制估值上限。