PPT-Virtual Memory

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. 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. 15-213 : Introduction to Computer Systems. 2. 3rd. . March 2015. Today . Virtual Memory. Overview. Address translation. TLB. Memory . mapping. Memory Mapping. VM areas initialized by associating them with disk objects.. Vasileios . Karakostas. , . Jayneel Gandhi. , . Furkan. . Ayar. , . Adrián. Cristal. , . Mark D. Hill. , . Kathryn S. . Mckinley. , . Mario . Nemirovsky. , . Michael M. Swift. , . Osman S. . Ünsal. U . Wisc. and HP Labs. ISCA’13. Architecture Reading Club Summer'13. 1. Key points. Big memory workloads . Memcached. , databases, graph analysis . Analysis shows. TLB misses can account for . upto. Use main memory as a “cache” for secondary (disk) storage. 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. Hakim Weatherspoon. CS 3410, Spring 2013. Computer Science. Cornell University. P & H Chapter 5.4 . Goals for Today. Virtual Memory. Address Translation. Pages, page tables, and memory . mgmt. unit. Apr 25, 2017. 1. Memory (Programmer. ’. s View) . 2. Hmmm, How Does This Work?! . Process 1. Process 2. Process n. Solution: Virtual Memory (today and next lecture). 3. Today . Virtual Memory: Concepts . 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 . CS 3410, Spring 2012. Computer Science. Cornell University. P & H Chapter 5.4 . Goals for Today. Virtual Memory. Address Translation. Pages, page tables, and memory . mgmt. unit. Paging. Role of Operating System. 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. Perigon Live, a leading provider of digital event software, announces the addition of the Green Room to its feature-rich product. Visit: https://perigonlive.com Although some event planners still think it will be too challenging to take their activities and skills online, this is no longer the case. 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