https://answer.freetools.me/tags/%E5%A4%8D%E6%9D%82%E5%BA%A6%E5%88%86%E6%9E%90/ Recent content in 复杂度分析 on Answer Hugo -- 0.152.2 zh-cn Thu, 12 Mar 2026 10:44:33 +0800 https://answer.freetools.me/%E5%BA%8F%E5%88%97%E9%95%BF%E5%BA%A6%E5%A2%9E%E5%8A%A0%E4%B8%80%E5%80%8D%E6%8E%A8%E7%90%86%E6%97%B6%E9%97%B4%E7%BF%BB%E5%9B%9B%E5%80%8Dtransformer%E6%B3%A8%E6%84%8F%E5%8A%9B%E5%A4%8D%E6%9D%82%E5%BA%A6%E7%9A%84%E6%8A%80%E6%9C%AF%E7%9C%9F%E7%9B%B8/ Thu, 12 Mar 2026 10:44:33 +0800 https://answer.freetools.me/%E5%BA%8F%E5%88%97%E9%95%BF%E5%BA%A6%E5%A2%9E%E5%8A%A0%E4%B8%80%E5%80%8D%E6%8E%A8%E7%90%86%E6%97%B6%E9%97%B4%E7%BF%BB%E5%9B%9B%E5%80%8Dtransformer%E6%B3%A8%E6%84%8F%E5%8A%9B%E5%A4%8D%E6%9D%82%E5%BA%A6%E7%9A%84%E6%8A%80%E6%9C%AF%E7%9C%9F%E7%9B%B8/ 深入解析Transformer注意力机制的O(n²)复杂度瓶颈，从GPU内存层次、Prefill与Decode阶段差异、KV Cache优化到FlashAttention的IO感知算法，揭示序列长度影响推理速度的根本原因与优化路径。