https://answer.freetools.me/tags/%E5%81%8F%E7%BD%AE%E9%A1%B9/ Recent content in 偏置项 on Answer Hugo -- 0.152.2 zh-cn Thu, 12 Mar 2026 13:12:12 +0800 https://answer.freetools.me/%E5%81%8F%E7%BD%AE%E9%A1%B9%E7%9A%84%E6%B6%88%E4%BA%A1%E4%B8%BA%E4%BB%80%E4%B9%88%E7%8E%B0%E4%BB%A3%E5%A4%A7%E6%A8%A1%E5%9E%8B%E5%88%A0%E9%99%A4%E4%BA%86%E8%BF%99%E4%B8%AA%E7%9C%8B%E4%BC%BC%E5%BF%85%E4%B8%8D%E5%8F%AF%E5%B0%91%E7%9A%84%E5%8F%82%E6%95%B0/ Thu, 12 Mar 2026 13:12:12 +0800 https://answer.freetools.me/%E5%81%8F%E7%BD%AE%E9%A1%B9%E7%9A%84%E6%B6%88%E4%BA%A1%E4%B8%BA%E4%BB%80%E4%B9%88%E7%8E%B0%E4%BB%A3%E5%A4%A7%E6%A8%A1%E5%9E%8B%E5%88%A0%E9%99%A4%E4%BA%86%E8%BF%99%E4%B8%AA%E7%9C%8B%E4%BC%BC%E5%BF%85%E4%B8%8D%E5%8F%AF%E5%B0%91%E7%9A%84%E5%8F%82%E6%95%B0/ 从PaLM到LLaMA，现代大模型为何纷纷移除偏置项？本文深入分析LayerNorm和残差连接如何使偏置项变得冗余，以及这一设计选择对训练稳定性和参数效率的影响。