GithubHelp home page GithubHelp logo

xv6-labs-2021's Introduction

COW(Copy On Write)

COW将fork系统调用的复制操作推迟到写操作时，提高了性能

  1. 捕获store fault，完成COW操作
  2. 建立页的引用计数机制
    • 分配一个表用于查询某页的引用计数
    • 加锁互斥访问这个表
    • 修改页的分配和释放函数
  3. 利用页表项的RSW，标志页是否可以使用COW机制

xv6-labs-2021's People

Contributors

4ge32 avatar aclements avatar amane-uehara avatar anishathalye avatar beordle avatar d0iasm avatar fintelia avatar flespark avatar gw avatar icenowy avatar jrrk2 avatar kaashoek avatar kehao95 avatar kimjungwow avatar kolontsov avatar l0stman avatar matt-har-vey avatar mikecat avatar optimisticside avatar phf avatar pmaddams avatar rsc avatar rui314 avatar saarett avatar takahirox avatar tchajed avatar xiw avatar z2z63 avatar zeldovich avatar zhuyu1997 avatar

Watchers

avatar

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.