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