PPT-CACHE AND VIRTUAL MEMORY

The basic objective of a computer system is to increase the speed of computation Likewise the basic objective of a memory system is to provide fast uninterrupted access by the processor to the memory such that the processor can operate at its expected speed . P & H Chapter 5.4-5. Performance. Virtual Memory Summary. PageTable. for each process:. 4MB contiguous in physical memory, or multi-level, …. every load/store translated to physical addresses. Li-Shiuan Peh. Computer Science & Artificial Intelligence Lab.. Massachusetts Institute of Technology. May 2, 2012. L22-. 1. http://csg.csail.mit.edu/6.S078. Virtual Memory Basics. physical. address. Hakim Weatherspoon. CS 3410, Spring 2011. Computer Science. Cornell University. P & H . Chapter. 5.4-5. Announcements. PA3 . available. Due . Tuesday, April 19. th. Work with . pairs. Be responsible with new knowledge. 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. 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. Lecture for CPSC 5155. Edward Bosworth, Ph.D.. Computer Science Department. Columbus State University. The Simple View of Memory. The simplest view of memory is . that presented . at the ISA (Instruction Set Architecture) level. At this level, memory is a . Virtual Memory III CSE 351 Winter 2019 https://xkcd.com/648/ Instructors: Max Willsey Luis Ceze Teaching Assistants: Britt Henderson Lukas Joswiak Josie Lee Wei Lin Daniel Snitkovsky Luis Vega Kory Watson Virtual Memory 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 Virtual Memory 2 Hakim Weatherspoon 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 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. 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. Master the concepts of hierarchical memory organization.. Understand how each level of memory contributes to system performance, and how the performance is measured.. Master the concepts behind cache memory, virtual memory, memory segmentation, paging and address translation.. 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 .