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concepts/conditional-model-dispatcher.md
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concepts/conditional-model-dispatcher.md
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title: "Conditional Model Dispatcher"
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created: 2026-05-15
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updated: 2026-05-15
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type: concept
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tags: [machine-learning, model-selection, efficiency]
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sources: [raw/papers/zeng-neurida-2025.md]
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---
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# Conditional Model Dispatcher
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**Conditional Model Dispatcher** 是 NeurIDA 的轻量级调度组件,解决两个关键决策:
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1. **基础模型选择**:从 [[composable-base-model-architecture|模型池]] 中为当前任务选择最优基础模型
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2. **条件增强**:判断是否需要调用 DIME 进行结构增强,还是直接部署基础模型
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## 决策机制
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### 模型选择
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- 维护 metadata dictionary,记录每个基础模型的历史 EMA 性能 μᵢ
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- 使用 [[zero-cost-proxies|Zero-Cost Proxies (ZCP)]] 对候选模型快速评分,得到代理分数 sᵢ
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- 选择 s* 最高的模型 m*
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### 增强决策
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- 计算动态阈值:τ = (1 − ε) · μₘ*
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- 若 s* ≥ τ:直接部署 m*(高效)
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- 若 s* < τ:调用 [[dime-dynamic-in-database-modeling-engine|DIME]] 进行结构增强
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## 设计考量
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- **轻量级**:ZCP 评分无需完整训练,基于小批量标注数据即可完成
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- **自适应**:阈值基于历史 EMA 动态调整,避免浪费计算资源
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## 来源
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- [[zeng-neurida-2025|NeurIDA 论文]]
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