https://answer.freetools.me/tags/%E7%A8%80%E7%96%8F%E6%B3%A8%E6%84%8F%E5%8A%9B/ Recent content in 稀疏注意力 on Answer Hugo -- 0.152.2 zh-cn Thu, 12 Mar 2026 06:59:41 +0800 https://answer.freetools.me/%E6%BB%91%E5%8A%A8%E7%AA%97%E5%8F%A3%E6%B3%A8%E6%84%8F%E5%8A%9B%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E4%B8%AA%E5%B1%80%E9%83%A8%E7%AA%97%E5%8F%A3%E8%83%BD%E7%9C%8B%E5%AE%8C%E5%85%A8%E5%B1%80%E4%BF%A1%E6%81%AF/ Thu, 12 Mar 2026 06:59:41 +0800 https://answer.freetools.me/%E6%BB%91%E5%8A%A8%E7%AA%97%E5%8F%A3%E6%B3%A8%E6%84%8F%E5%8A%9B%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E4%B8%AA%E5%B1%80%E9%83%A8%E7%AA%97%E5%8F%A3%E8%83%BD%E7%9C%8B%E5%AE%8C%E5%85%A8%E5%B1%80%E4%BF%A1%E6%81%AF/ 从Mistral 7B到Qwen，滑动窗口注意力正在重塑大模型的长上下文处理能力。深入解析SWA如何将复杂度从O(n²)降到O(n)，揭示信息流动的数学本质，以及为什么理论感受野和有效感受野存在巨大差距。