'Virtual page' diaporamas de présentation

e cs150 Spring 2014 : Operating System #4: Memory Management (chapter 5)

e cs150 Spring 2014 : Operating System #4: Memory Management (chapter 5). Dr. S. Felix Wu Computer Science Department University of California, Davis http://www.cs.ucdavis.edu/~wu/ sfelixwu@gmail.com. text. data. BSS. user stack. args/env. kernel.

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Performance Tuning Using Hardware Counter Data

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Memory management

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Memory Management and Virtual Memory

Memory Management and Virtual Memory. Fred Kuhns (fredk@arl.wustl.edu, http://www.arl.wustl.edu/~fredk) Applied Research Laboratory Department of Computer Science and Engineering Washington University in St. Louis. Memory Management. Central Component of any operating system

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Memory Management and Virtual Memory

Memory Management and Virtual Memory. Fred Kuhns (fredk@arl.wustl.edu, http://www.arl.wustl.edu/~fredk) Applied Research Laboratory Department of Computer Science and Engineering Washington University in St. Louis. Memory Management. Central Component of any operating system

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CPS110: Dual-mode operation

CPS110: Dual-mode operation. Landon Cox March 4, 2008. Hardware page table info. What should go in a PTE?. Physical page #. Resident. Protection (read/write). Dirty. Reference. Set by OS to control translation. Checked by MMU on each access. Set by OS. Checked by MMU on each access.

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CS 1104 Help Session II Virtual Memory

CS 1104 Help Session II Virtual Memory. Colin Tan, ctank@comp.nus.edu.sg S15-04-15. Motivation. Drive space is very very cheap Typically about 2cents per megabyte. It would be ideal if we could set aside a portion of drive space to be used as memory. Unfortunately disk drives are very slow

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Memory System Case Studies Oct. 31, 2007

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Virtual Memory: Systems 15- 213: Introduction to Computer Systems 16 th Lecture, Oct. 19, 2010

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CMPE 421 Parallel Computer Architecture

CMPE 421 Parallel Computer Architecture. PART5 More Elaborations with cache & Virtual Memory. Cache Optimization into categories. Reducing Miss Penalty Multilevel caches

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P6/Linux Memory System April 5, 2001

P6/Linux Memory System April 5, 2001. 15-213. Topics P6 address translation Linux memory management Linux page fault handling memory mapping. class21.ppt. Intel P6. Internal Designation for Successor to Pentium Which had internal designation P5 Fundamentally Different from Pentium

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Chapter 5B:Virtual Memory

Chapter 5B:Virtual Memory. Read Section 5.4, 5.6, 5.12. Adapted from Slides by Prof. Mary Jane Irwin, Penn State University. How is the Hierarchy Managed?. registers ? memory by compiler (programmer?) cache ? main memory by the cache controller hardware main memory ? disks

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Topic 3: Run-Time Environment

Topic 3: Run-Time Environment. Memory Model Activation Record Call Convention Storage Allocation Runtime Stack and Heap Garbage Collection. ABET Outcome.

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CSE243: Introduction to Computer Architecture and Hardware/Software Interface

CSE243: Introduction to Computer Architecture and Hardware/Software Interface. Virtual memories. Recall that an important challenge in the design of a computer system is to provide a large, fast memory system at an affordable cost.

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CMSC421: Principles of Operating Systems

CMSC421: Principles of Operating Systems. Nilanjan Banerjee. Assistant Professor, University of Maryland Baltimore County nilanb@umbc.edu http://www.csee.umbc.edu/~nilanb/teaching/421/. Principles of Operating Systems

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Detecting Past and Present Intrusions through Vulnerability-Specific Predicates

Detecting Past and Present Intrusions through Vulnerability-Specific Predicates. Ashlesha Joshi, Samuel T. King, George W. Dunlap, Peter M. Chen (SOSP-2005). vulnerability introduced. vulnerability discovered. patch released. patch applied. Motivation.

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Virtual Memory

Virtual Memory

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Week 7

Week 7. February 17, 2004 Adrienne Noble. Important Dates. Due Monday, Feb 23 Homework 7 Due Wednesday, Feb 25 Project 3 Due Friday, Feb 27 Homework 8. Questions?. Lecture Project 3 Homework 7 and 8. Midquarter Evaluation Results. More concrete examples and problems

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Introduction to Markup

Introduction to Markup. Session 10. Intro to Markup. What is a markup language? What are the benefits of using markup? Hypertext markup language Homework. What is a markup language?. Comprises content and a description of how to display the content

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Lecture Topics: 11/19

Lecture Topics: 11/19. Paging Page tables Memory protection, validation Multilevel paging. Address Translation. The user process has one view of memory: its virtual address space In reality, the physical addresses of the process are entirely different maybe not contiguous

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