Block WAND works by maintaining an upper bound on how much score any document within a block of document IDs could possibly achieve. As the engine fills its Top K heap, it establishes a threshold: the lowest score currently in the heap. Before evaluating a block, the engine checks the block’s maximum score. If that maximum is below the threshold, the entire block is skipped without scoring individual documents.
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智能体之所以成为关键，就是因为它可以把这些能力整合起来。单个设备再聪明，也无法理解整个家庭；只有系统级 AI 才可能做到。，更多细节参见游戏中心