<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>效率优化 on Ringi's Log</title><link>https://lilinji.github.io/tags/%E6%95%88%E7%8E%87%E4%BC%98%E5%8C%96/</link><description>Recent content in 效率优化 on Ringi's Log</description><generator>Hugo -- 0.152.2</generator><language>zh-cn</language><lastBuildDate>Fri, 01 May 2026 00:00:00 +0800</lastBuildDate><atom:link href="https://lilinji.github.io/tags/%E6%95%88%E7%8E%87%E4%BC%98%E5%8C%96/index.xml" rel="self" type="application/rss+xml"/><item><title>如何将 Claude Code 成本降低 3 倍（Karpathy 的上下文工程原则）</title><link>https://lilinji.github.io/2026/05/cut-claude-code-costs-3x/</link><pubDate>Fri, 01 May 2026 00:00:00 +0800</pubDate><guid>https://lilinji.github.io/2026/05/cut-claude-code-costs-3x/</guid><description>一个开源工具如何将 Claude Code 会话成本降低 3 倍——无需修改 CLAUDE.md、提示词或模型（附设置指南及原理分析）。</description></item></channel></rss>