https://answer.freetools.me/tags/pre-ln/ Recent content in Pre-LN on Answer Hugo -- 0.152.2 zh-cn Wed, 11 Mar 2026 23:54:43 +0800 https://answer.freetools.me/%E4%B8%BA%E4%BB%80%E4%B9%88gpt%E5%92%8Cllama%E9%83%BD%E9%80%89%E6%8B%A9pre-lntransformer%E5%B1%82%E5%BD%92%E4%B8%80%E5%8C%96%E4%BD%8D%E7%BD%AE%E7%9A%84%E5%8D%81%E5%B9%B4%E6%8A%89%E6%8B%A9/ Wed, 11 Mar 2026 23:54:43 +0800 https://answer.freetools.me/%E4%B8%BA%E4%BB%80%E4%B9%88gpt%E5%92%8Cllama%E9%83%BD%E9%80%89%E6%8B%A9pre-lntransformer%E5%B1%82%E5%BD%92%E4%B8%80%E5%8C%96%E4%BD%8D%E7%BD%AE%E7%9A%84%E5%8D%81%E5%B9%B4%E6%8A%89%E6%8B%A9/ 为什么GPT和LLaMA都选择Pre-LN？Transformer层归一化位置的十年抉择 https://answer.freetools.me/transformer%E4%B8%BA%E4%BD%95%E9%80%89%E6%8B%A9layernorm%E8%80%8C%E4%B8%8D%E6%98%AFbatchnorm%E4%BB%8E%E5%BA%8F%E5%88%97%E6%95%B0%E6%8D%AE%E7%89%B9%E6%80%A7%E5%88%B0%E6%A2%AF%E5%BA%A6%E7%A8%B3%E5%AE%9A%E6%80%A7%E7%9A%84%E6%B7%B1%E5%BA%A6%E8%A7%A3%E6%9E%90/ Mon, 09 Mar 2026 05:42:48 +0800 https://answer.freetools.me/transformer%E4%B8%BA%E4%BD%95%E9%80%89%E6%8B%A9layernorm%E8%80%8C%E4%B8%8D%E6%98%AFbatchnorm%E4%BB%8E%E5%BA%8F%E5%88%97%E6%95%B0%E6%8D%AE%E7%89%B9%E6%80%A7%E5%88%B0%E6%A2%AF%E5%BA%A6%E7%A8%B3%E5%AE%9A%E6%80%A7%E7%9A%84%E6%B7%B1%E5%BA%A6%E8%A7%A3%E6%9E%90/ 深入解析Transformer架构中选择Layer Normalization而非Batch Normalization的技术原因。从NLP序列数据特性、批量统计量波动、训练推理一致性、分布式训练便利性等多维度展开，并结合Pre-LN与Post-LN的梯度稳定性分析，揭示现代大模型归一化选择背后的深层逻辑。