'Virtual address' presentation slideshows

Computer Architecture Virtual Memory

Computer Architecture Virtual Memory. Dr. Lihu Rappoport. Virtual Memory. Provides the illusion of a large memory Different machines have different amount of physical memory Allows programs to run regardless of actual physical memory size

890 views • 61 slides

March 9 th , 2015 Prof. John Kubiatowicz cs162.eecs.Berkeley

CS162 Operating Systems and Systems Programming Lecture 13 Address Translation (Finished), Caching. March 9 th , 2015 Prof. John Kubiatowicz http://cs162.eecs.Berkeley.edu. Virtual Address:. Virtual Page #. Offset. PageTablePtr. page #0. V,R. Physical Page #. Offset. page #1.

761 views • 58 slides

Memory Mapping

Memory Mapping. Linux Kernel Programming CIS 4930/COP 5641. Memory Mapping. Translation of address issued by some device (e.g., CPU or I/O device) to address sent out on memory bus (physical address) Mapping is performed by memory management unit (MMU). Memory Mapping.

822 views • 50 slides

Instructor: Randy Bryant

Virtual Memory: Concepts 15-213: Introduction to Computer Systems 17 th Lecture, October 24, 2017. Instructor: Randy Bryant. Hmmm, How Does This Work?! . Process 1. Process 2. Process n. Solution: Virtual Memory (today and next lecture). Today . Address spaces

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Finding Race Conditions and Data Races

Finding Race Conditions and Data Races. Madan Musuvathi Microsoft Research John Erickson Windows SE Sebastian Burckhardt Microsoft Research. Research in Software Engineering http://research.microsoft.com/rise. My Team at MSR. Research in Software Engineering

563 views • 40 slides

A Virtualization-Based Approach to Retrofitting Protection in Commodity Operating Systems

A Virtualization-Based Approach to Retrofitting Protection in Commodity Operating Systems. outline. Abstract. Introduction.

527 views • 33 slides

Krste Asanovic Electrical Engineering and Computer Sciences University of California at Berkeley

471 views • 31 slides

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

491 views • 31 slides

Virtual Memory - Part II

Virtual Memory - Part II. CS 537 - Introduction to Operating Systems. Page Table Size. Where does page table live? virtual memory? or physical memory? How big is page table? 32 bit addressing, 4K page, 4 byte table entry 4 MB with 64 bit addressing, this number is huge. Page Table Size.

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461 views • 24 slides

Cache Organization of Pentium

Cache Organization of Pentium. Instruction & Data Cache of Pentium. Both caches are organized as 2-way set associative caches with 128 sets (total 256 entries) There are 32 bytes in a line (8K/256) An LRU algorithm is used to select victims in each cache.

391 views • 23 slides

CS 4284 Systems Capstone

CS 4284 Systems Capstone. Project 3 Hints. Slides created by Jaishankar Sundararaman. Outline. Virtual memory concept Current pintos memory management Task Lazy load Stack growth File memory mapping Swapping Suggestion How to start Implementation order. Virtual Memory Concept.

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CSC 322 Operating Systems Concepts Lecture - 14: b y Ahmed Mumtaz Mustehsan

CSC 322 Operating Systems Concepts Lecture - 14: b y Ahmed Mumtaz Mustehsan. Special Thanks To: Tanenbaum , Modern Operating Systems 3 e, (c) 2008 Prentice-Hall, Inc . (Chapter-3) . Chapter 3 Memory Management Virtual Memory (Inverted Page Table) Page Replacement Algorithms.

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Virtual Memory Part 1 Li-Shiuan Peh Computer Science & Artificial Intelligence Lab. Massachusetts Institute of Techn

Virtual Memory Part 1 Li-Shiuan Peh Computer Science & Artificial Intelligence Lab. Massachusetts Institute of Technology. Virtual Memory Basics. Physical Memory (Caches, DRAM). Address Mapping. ISA. machine language address. virtual address. physical address.

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Caches in Systems

266 views • 16 slides

Virtual Memory

Virtual Memory. -Neha Jain. Topics Covered. Introduction Virtual Memory Address Translation Thrashing and Protection References. Introduction. Memory Hierarchy. CPU. Memory Content : Cache ? Main Mem ? Secondary Mem. Functional units.

333 views • 15 slides

Virtual Memory

Virtual Memory. -Neha Jain. Topics Covered. Introduction Virtual Memory Address Translation Thrashing and Protection References. Introduction. Memory Hierarchy. CPU. Memory Content : Cache ? Main Mem ? Secondary Mem. Functional units.

370 views • 15 slides

Effects of Virtual Cache Aliasing on the Performance of the NetBSD Operating System

Effects of Virtual Cache Aliasing on the Performance of the NetBSD Operating System. Rafal Boni CS 535 Project Presentation. Background and motivation. Why NetBSD? Runs on > 10 CPU families, > 45 different platforms all from one code base.

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Heterogeneous Compute Platforms : Data management

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Address Translation - Mapping virtual addresses to physical memory

Address Translation - Mapping virtual addresses to physical memory. user. Mapping via page table entries Indirect relationship between virtual pages and physical memory. Virtual pages. x86:. Physical memory. 31. 22. 21. 12. 11. 0. system. 10. 10. 12. Page directory index. user.

1.05k views • 4 slides