PPT-Virtual Memory 2

Prof Kavita Bala and Prof Hakim Weatherspoon CS 3410 Spring 2014 Computer Science Cornell University P amp H Chapter 57 Goals for Today Virtual Memory Address Translation Pages page tables and memory . Avg Access Time 2 Tokens Number of Controllers Average Access Time clock cyles brPage 16br Number of Tokens vs Avg Access Time 9 Controllers Number of Tokens Average Access Time clock cycles brPage 17br brPage 18br Prof. Van Renesse & . Sirer. Segments. Note: overloaded term…. Chunks of . virtual. address space. Access Protection. User/Supervisor. Read/Write/Execute. Sharing. Code, libraries. Shared memory for IPC. 2. Goals for Today. Virtual . memory. Mechanism. How does it work?. Policy. What . to replace. ?. How much to fetch?. 3. What is virtual memory?. Each process has illusion of large address space. 2. 32. Vasileios . Karakostas. , . Jayneel Gandhi. , . Furkan. . Ayar. , . Adrián. Cristal. , . Mark D. Hill. , . Kathryn S. . Mckinley. , . Mario . Nemirovsky. , . Michael M. Swift. , . Osman S. . Ünsal. Managed jointly by CPU hardware and the operating system (OS). Programs share main memory. Each gets a private virtual address space holding its frequently used code and data. Protected from other programs. 2017. Instructor:. . Ruth Anderson. Teaching Assistants:. Dylan Johnson. Kevin Bi. Linxing. Preston Jiang. Cody . Ohlsen. Yufang. Sun. Joshua Curtis. Administrivia. Midterms Graded. If you did not receive an email from . Virtual World pros & cons Outline Virtual Reality Virtual World Second Life Pros & Cons How Second life Affects Real Life Are we ready to live in a Virtual World? Virtual Reality Virtual reality (VR) is a powerful technique that uses computer representations to transform people's sense of presence, so that they feel themselves to be in a virtual environment rather their current one. 15-213: Introduction to Computer Systems . 16. th. . Lecture, Oct. . 22. , 2013. Instructors:. . Randy Bryant, Dave . O’Hallaron. , and Greg . Kesden. Today . Address spaces. VM as a tool for caching. Now that the coronavirus pandemic is coming under control thanks to the introduction of vaccines, some marketers mistakenly believe that virtual events are also coming to an end. Visit: https://perigonlive.com Perigon Live, a leading virtual event platform provider, offers a wide range of services and customizable options designed to make virtual events successful. Visit: https://perigonlive.com If you are toying with the idea of hosting a virtual event to drive interest in a product, elevate your brand’s reputation, or simply build rapport with would-be clients, it’s important to note that a good virtual event requires at least some level of professional production in order to keep your attendees interested. Visit: https://perigonlive.com Hosting an event can be a wonderful opportunity to build relationships with potential clients, boost your brand’s relevance and reputation, and even have a little fun with showing the world who your brand really is. Visit: https://perigonlive.com Instructor:. . Justin Hsia. Teaching Assistants:. Lucas Wotton. Michael Zhang. Parker . DeWilde. Ryan Wong. Sam . Gehman. Sam Wolfson. Savanna Yee. Vinny . Palaniappan. https. ://xkcd.com/1495/. Administrivia. 17. th. Lecture, . November 1. , 2022. Instructors:. . Dave Andersen (15-213). Zack Weinberg (15-213). Brian Railing (15-513). David Varodayan (14-513). Review: Virtual Addressing. Each process has its own .