Ch10 LLM架构修订于 二〇二六年七月六日

第10章 · LLM 原理与架构演进

本章承接第 9 章 Transformer,聚焦 LLM 层面的架构演进:从自回归生成的基本原理到 2026 年的 MoE 稀疏激活、Scaling Law 的理论与修正、上下文窗口的军备竞赛,以及开源 LLM 的六大家族格局。

本章目录

  1. 10.1 什么是 LLM — 自回归生成、涌现能力、上下文学习;含 GPT 系列演进
  2. 10.3 2026 年开源 LLM 版图 — 六大家族、三个梯队、架构演进时间线
  3. 10.4 MoE:稀疏激活的艺术 — 医院专家门诊比喻、路由门控、负载均衡、DeepSeek 创新
  4. 10.5 Scaling Law:更大的力量 — 幂律公式、Chinchilla 最优、2026 年修正
  5. 10.6 上下文窗口的军备竞赛 — RoPE 外推、Ring Attention、Sliding Window
  6. 10.7 Tokenizer:AI 的词典 — BPE/WordPiece/SentencePiece 三大算法对比
  7. 10.8 2026年主流LLM能力对比 — 六大模型能力、价格、隐私全方位对比
  8. 10.9 LLM选型决策框架 — 任务-预算-隐私三维决策框架

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来源

  1. Radford et al., “Improving Language Understanding by Generative Pre-Training”, OpenAI, 2018
  2. Brown et al., “Language Models are Few-Shot Learners”, NeurIPS 2020
  3. Schaeffer et al., “Are Emergent Abilities of Large Language Models a Mirage?”, NeurIPS 2023
  4. Dherin et al., “Learning without training: The implicit dynamics of in-context learning”, Google, 2026
  5. Ma et al., “Beyond the Prompt in Large Language Models”, 2026
  6. Kaplan et al., “Scaling Laws for Neural Language Models”, OpenAI, 2020
  7. Hoffmann et al., “Training Compute-Optimal Large Language Models” (Chinchilla), NeurIPS 2022
  8. Bryant, “Practical Scaling Laws for Data-Constrained Worlds”, 2026
  9. Bian et al., “Scaling Laws Meet Model Architecture”, ICLR 2026
  10. Li et al., “Optimal Expert-Attention Allocation in Mixture-of-Experts”, 2026
  11. Shazeer et al., “Outrageously Large Neural Networks: The Sparsely-Gated MoE Layer”, ICLR 2017
  12. Fedus et al., “Switch Transformers”, JMLR 2022
  13. Jiang et al., “Mixtral of Experts”, 2024
  14. DeepSeek-AI, “DeepSeek-V2 Technical Report”, 2024
  15. DeepSeek-AI, “DeepSeek-V3 Technical Report”, 2024
  16. Dao et al., “FlashAttention”, NeurIPS 2022
  17. Liu et al., “Ring Attention with Blockwise Transformers”, 2023
  18. Peng et al., “YaRN: Efficient Context Window Extension”, 2023
  19. Liu et al., “Lost in the Middle”, TACL 2023
  20. Sennrich et al., “Neural Machine Translation of Rare Words with Subword Units” (BPE), ACL 2016
  21. Kudo and Richardson, “SentencePiece”, EMNLP 2018
  22. Kudo, “Subword Regularization” (Unigram), ACL 2018
  23. NVIDIA, “What Is Mixture of Experts (MoE) and How It Works?”, 2026
  24. HuggingFace, “MoEs in Transformers”, 2026
  25. FutureAGI, “What is Tokenization in LLMs?”, 2026
  26. Artificial Analysis, “LLM Leaderboard”, https://artificialanalysis.ai/leaderboards
  27. Chatbot Arena, “LMSYS Leaderboard”, https://lmarena.ai/
  28. Coursera, “AI Learning Roadmap 2026”
  29. Towards Data Science, “Realistic AI Career Roadmap 2026”
  30. Sebastian Raschka, “LLM Research Papers 2026”
  31. Knight Li, “LLM Architecture Evolution 2023-2026”
  32. Developers Digest, “LLM Architecture Complexity”
  33. Softtechas, “Advancements in Modern LLM Architectures”, 2026

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