<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>MXU on Pengcheng's Blog</title><link>https://pengchengneo.github.io/tags/mxu/</link><description>Recent content in MXU on Pengcheng's Blog</description><generator>Hugo -- gohugo.io</generator><language>zh-CN</language><copyright>© 2026 Pengcheng</copyright><lastBuildDate>Sun, 12 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://pengchengneo.github.io/tags/mxu/index.xml" rel="self" type="application/rss+xml"/><item><title>脉动阵列：逐 Cycle 拆解 TPU MXU 的矩阵乘法</title><link>https://pengchengneo.github.io/posts/tpu-mxu-systolic-array/</link><pubDate>Sun, 12 Apr 2026 00:00:00 +0000</pubDate><guid>https://pengchengneo.github.io/posts/tpu-mxu-systolic-array/</guid><description>用 4×4 的具体数字，逐 cycle 追踪激活值和部分和在脉动阵列中的流动，理解 TPU MXU 如何通过权重固定、激活流过、对角波前推进来完成矩阵乘法</description></item></channel></rss>