https://chenzongyao200127.github.ioLife is not a rat raceSolar1s' Personal Bloghttp://www.rssboard.org/rss-specificationpython-feedgenhttps://github.githubassets.com/favicons/favicon.svghttps://chenzongyao200127.github.ioWed, 29 Apr 2026 02:42:29 +0000Solar1s' Personal Blog60Solar1s' Personal Bloghttps://chenzongyao200127.github.io/post/%E3%80%8C-yi-%E3%80%8DPerformance%20Hints.html> 原文链接：https://abseil.io/fast/hints.html#performance-hints > 高德纳的这句名言确实困扰过很多人，业界常常把“过早优化是万恶之源”当成系统前期可以随意挥霍性能、堆砌抽象的借口。https://chenzongyao200127.github.io/post/%E3%80%8C-yi-%E3%80%8DPerformance%20Hints.htmlWed, 29 Apr 2026 02:41:55 +0000https://chenzongyao200127.github.io/post/Komodo%20-li-yong-yan-zheng-jiang-an-quan-fei-di-ying-jian-yu-ruan-jian-jie-ou.html**Andrew Ferraiuolo**（康奈尔大学） **Andrew Baumann**（微软研究院） **Chris Hawblitzel**（微软研究院） **Bryan Parno**（卡内基梅隆大学） --- ## 摘要 Intel SGX 承诺提供强大的安全性：任意数量的用户态飞地（enclave）可以抵御物理攻击和特权软件对手。https://chenzongyao200127.github.io/post/Komodo%20-li-yong-yan-zheng-jiang-an-quan-fei-di-ying-jian-yu-ruan-jian-jie-ou.htmlTue, 28 Apr 2026 12:10:15 +0000https://chenzongyao200127.github.io/post/Xen%20-he-%20-xu-ni-hua-de-yi-shu.html**Paul Barham, Boris Dragovic, Keir Fraser, Steven Hand, Tim Harris, Alex Ho, Rolf Neugebauer, Ian Pratt, Andrew Warfield** 剑桥大学计算机实验室 15 JJ Thomson Avenue, Cambridge, UK, CB3 0FD {firstname.lastname}@cl.cam.ac.uk --- > 底层命题：在缺乏硬件虚拟化支持（如 Intel VT-x 尚未普及）的时代，如何以接近原生的性能同时运行多个隔离的操作系统？ > > 学习价值（妥协的艺术与接口设计）：引入了“半虚拟化（Paravirtualization）”的概念。https://chenzongyao200127.github.io/post/Xen%20-he-%20-xu-ni-hua-de-yi-shu.htmlTue, 28 Apr 2026 11:52:03 +0000https://chenzongyao200127.github.io/post/UNIX%20-fen-shi-xi-tong.html> 如何用最少的抽象原语（File, Process, Pipe）构建一个通用的多用户分时系统？ > 它是所有现代 OS 的祖师爷。https://chenzongyao200127.github.io/post/UNIX%20-fen-shi-xi-tong.htmlTue, 28 Apr 2026 11:36:37 +0000https://chenzongyao200127.github.io/post/Singularity%20-zhong-xin-shen-shi-ruan-jian-zhan.html**Galen C. Hunt 与 James R. Larus** Microsoft Research Redmond galenh@microsoft.com --- ## 摘要 每一个操作系统都体现了一系列设计决策。https://chenzongyao200127.github.io/post/Singularity%20-zhong-xin-shen-shi-ruan-jian-zhan.htmlTue, 28 Apr 2026 11:33:53 +0000https://chenzongyao200127.github.io/post/Log-Structured%20File%20System%20-%20-ri-zhi-jie-gou-wen-jian-xi-tong-de-she-ji-yu-shi-xian.html**Mendel Rosenblum 和 John K. Ousterhout** 加利福尼亚大学伯克利分校 电气工程与计算机科学系，计算机科学分部 Berkeley, CA 94720 mendel@sprite.berkeley.edu, ouster@sprite.berkeley.edu --- > The Design and Implementation of a Log-Structured File System (SOSP 1991) > 底层命题：当内存越来越大（读操作大多命中缓存），而磁盘寻道时间没有实质改善时，如何彻底消除随机写带来的性能瓶颈？ > 学习价值（硬件约束驱动的架构范式转移）：LFS 是“识别硬件底层物理约束，并反向重构软件层”的教科书。https://chenzongyao200127.github.io/post/Log-Structured%20File%20System%20-%20-ri-zhi-jie-gou-wen-jian-xi-tong-de-she-ji-yu-shi-xian.htmlTue, 28 Apr 2026 11:32:46 +0000https://chenzongyao200127.github.io/post/shen-me-shi-ji-shu-qian-li.html真正有技术潜力的年轻人，往往不是 ' 什么都会 ' 的人，而是在某些维度上表现出一种不太寻常的 ' 密度 '。https://chenzongyao200127.github.io/post/shen-me-shi-ji-shu-qian-li.htmlTue, 28 Apr 2026 10:29:06 +0000https://chenzongyao200127.github.io/post/OS%20Papers%20-jing-dian-lun-wen-yan-du.html--- ## 第一部分：操作系统的基石与边界重构 **1. The UNIX Time-Sharing System (SOSP 1973)** * **底层命题：** 如何用最少的抽象原语（File, Process, Pipe）构建一个通用的多用户分时系统？ * **学习价值（设计的极简主义）：** 它是所有现代 OS 的祖师爷。https://chenzongyao200127.github.io/post/OS%20Papers%20-jing-dian-lun-wen-yan-du.htmlTue, 28 Apr 2026 02:41:07 +0000https://chenzongyao200127.github.io/post/%E3%80%8C-yi-%E3%80%8DAI%20-zheng-zai-jiang-ruan-jian-gong-cheng-shi-fen-wei-liang-lei-ren.html> 原文链接: https://www.koshyjohn.com/blog/ai-should-elevate-your-thinking-not-replace-it/ 在与科技行业重量级公司的工程管理层交谈后，一个趋势变得越来越明显：软件工程正在将人们分成两个模糊的群体。https://chenzongyao200127.github.io/post/%E3%80%8C-yi-%E3%80%8DAI%20-zheng-zai-jiang-ruan-jian-gong-cheng-shi-fen-wei-liang-lei-ren.htmlMon, 27 Apr 2026 08:26:14 +0000https://chenzongyao200127.github.io/post/MapReduce%20-da-gui-mo-shu-ju-ji-shang-de-jian-hua-shu-ju-chu-li.html**Jeffrey Dean, Sanjay Ghemawat** *Google, Inc.* --- > 底层命题： 如何让完全不懂分布式系统、容错、网络调度的业务工程师，也能在成千上万台机器上编写并处理海量数据？ > 学习价值（抽象的威力）：将一切复杂的分布式计算抽象为 `Map` 和 `Reduce` 两个接口。https://chenzongyao200127.github.io/post/MapReduce%20-da-gui-mo-shu-ju-ji-shang-de-jian-hua-shu-ju-chu-li.htmlWed, 22 Apr 2026 12:56:13 +0000https://chenzongyao200127.github.io/post/ji-yu-%20Lua%20-de-ke-jiao-ben-hua-cao-zuo-xi-tong.html**作者：** Lourival Vieira Neto（The NetBSD Foundation）、Roberto Ierusalimschy（PUC-Rio 信息学系）、Ana Lúcia de Moura（PUC-Rio 信息学系）、Marc Balmer（The NetBSD Foundation） --- ## 摘要 Extensible operating system（可扩展操作系统）是一种基于以下理念的设计范式：操作系统可以通过允许用户扩展来适应用户需求。https://chenzongyao200127.github.io/post/ji-yu-%20Lua%20-de-ke-jiao-ben-hua-cao-zuo-xi-tong.htmlWed, 22 Apr 2026 09:30:50 +0000https://chenzongyao200127.github.io/post/about%20me.html## About me 🎓 I'm a postgraduate student at the School of Cyber Science and Engineering, SouthEast University (Nanjing). 💻 My interests lie in system security, Rust, malware detection, program analysis, and operating systems. 💼 I have interned with the security & OS teams at Tencent and Alibaba Cloud. 📫 You can reach me at [solar1s@163.com](mailto:solar1s@163.com). 💐 Nice to meet you and best wishes for you! :)。https://chenzongyao200127.github.io/post/about%20me.htmlThu, 01 May 2025 12:51:09 +0000