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CSE 380 Computer Operating Systems

CSE 380 Computer Operating Systems

CSE 380 Computer Operating Systems. Instructor: Insup Lee University of Pennsylvania Fall 2003 Lecture Note: Virtual Memory (revised version). Virtual Memory. Recall: memory allocation with variable partitions requires mapping logical addresses to physical addresses

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820 views • 66 slides
Memory Management

Memory Management

Memory Management. 4.1 Basic memory management 4.2 Swapping 4.3 Virtual memory 4.4 Page replacement algorithms 4.5 Modeling page replacement algorithms 4.6 Design issues for paging systems 4.7 Implementation issues 4.8 Segmentation. Chapter 4. Memory Management .

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738 views • 64 slides
Virtual Memory

Virtual Memory

Virtual Memory. Objectives. Avoid copy/restore entire address space Avoid unusable holes in memory Increase program RAM past physical limits Allocation based on virtual memory policy Freedom from user requirements Extended abstraction for users Strategies

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340 views • 19 slides
Virtual Memory

Virtual Memory

Virtual Memory. Objectives. Avoid copy/restore entire address space Avoid unusable holes in memory Increase program RAM past physical limits Allocation based on virtual memory policy Freedom from user requirements Extended abstraction for users Strategies

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673 views • 18 slides
Virtual Memory

Virtual Memory

Virtual Memory. Objectives. Avoid copy/restore entire address space Avoid unusable holes in memory Increase program RAM past physical limits Allocation based on virtual memory policy Freedom from user requirements Extended abstraction for users Strategies

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182 views • 18 slides

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