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concepts/deep-and-wide-reasoning.md
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title: "Deep-and-Wide Reasoning(深度且宽广的推理)"
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created: 2026-05-23
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updated: 2026-05-23
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type: concept
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tags: [reasoning, deep, wide, architecture]
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sources: [raw/papers/gram-generative-recursive-reasoning-2026.md]
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confidence: high
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---
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# Deep-and-Wide Reasoning
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> GRAM 的设计哲学:未来的推理系统不应只是**深**(重复精炼),还应**宽**(维持和探索多条并行潜在轨迹)。
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## 为什么深度不够
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单一精炼路径的局限:
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- 可能被困在次优推理轨迹中
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- 无法同时考虑多个假设
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- 在多解问题上只能返回一个解
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## Deep + Wide 的互补关系
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- **Deep(递归深度)**: 单条轨迹上的推理精炼质量
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- **Wide(轨迹宽度)**: 推理空间的探索覆盖度
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两者**正交且互补**——可以独立调参来适配不同类型的问题。
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## 设计原则
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好的 RRM 需要同时支持:
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1. 通过多次递归步骤充分精炼单条推理路径
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2. 通过随机采样探索多个可能的推理方向
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3. 在 inference time 灵活分配 depth 和 width 的预算
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## 相关概念
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- [[inference-time-scaling]]
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- [[width-based-scaling]]
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- [[multi-trajectory-inference]]
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- [[gram-generative-recursive-reasoning|GRAM]]
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