'Fully associative' diaporamas de présentation

MS108 Computer System I

MS108 Computer System I. Lecture 12 Cache Prof. Xiaoyao Liang 2014/4/14. Memory Hierarchy: Motivation The Principle Of Locality. Programs usually access a relatively small portion of their address space (instructions/data) at any instant of time (loops, data arrays).

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Memory

Memory. Objectives. 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.

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Scavenger: A New Last Level Cache Architecture with Global Block Priority

Scavenger: A New Last Level Cache Architecture with Global Block Priority. Arkaprava Basu, IIT Kanpur Nevin Kirman, Cornell Mainak Chaudhuri, IIT Kanpur Meyrem Kirman, Cornell Jose F. Martinez, Cornell. Talk in one slide.

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CS151B Computer Systems Architecture Winter 2002 TuTh 2-4pm - 2444 BH

CS151B Computer Systems Architecture Winter 2002 TuTh 2-4pm - 2444 BH. Lecture 16 Virtual Memory (cont), Buses, and I/O #1. Instructor: Prof. Jason Cong <cong@cs.ucla.edu>. Recall: Levels of the Memory Hierarchy. Upper Level. Capacity Access Time Cost. Staging Xfer Unit. faster.

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Review Problem 0

Review Problem 0. As you wait for class to start, answer the following question: What is important in a computer? What features do you look for when buying one?. Review Problem 1. What aspects of a microprocessor can affect performance?. Review Problem 2.

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The Memory Hierarchy Cache, Main Memory, and Virtual Memory

The Memory Hierarchy Cache, Main Memory, and Virtual Memory. Lecture for CPSC 5155 Edward Bosworth, Ph.D. Computer Science Department Columbus State University. The Simple View of Memory.

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Chapter 5 Microprocessor Caches

Chapter 5 Microprocessor Caches. Levels of the Memory Hierarchy. Capacity Access Time Cost. Upper Level. Staging Transfer Unit. faster. CPU Registers 100 Bytes <10s ns. Registers. prog./compiler 1-8 bytes. Instr. Operands. Cache K Bytes 10-100 ns. Cache. cache control

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Chapter 5 Microprocessor Caches

Chapter 5 Microprocessor Caches. Levels of the Memory Hierarchy. Capacity Access Time Cost. Upper Level. Staging Transfer Unit. faster. CPU Registers 100 Bytes <10s ns. Registers. prog./compiler 1-8 bytes. Instr. Operands. Cache K Bytes 10-100 ns. Cache. cache control

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More solutions

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CSCE 212 Chapter 7 Memory Hierarchy

CSCE 212 Chapter 7 Memory Hierarchy. Instructor: Jason D. Bakos. Memory Hierarchy. Programmers want more memory and faster memory Problems: Denser memories require longer access times Example: papers on your desk vs. papers in your filing cabinet

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Cache and Virtual Memory Replacement Algorithms

1. Cache and Virtual Memory Replacement Algorithms. Presented by Michael Smaili CS 147 Spring 2008. 2. Overview. 3. Central Idea of a Memory Hierarchy. Provide memories of various speed and size at different points in the system.

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1 TB solid state drive (SSD)!

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How to Build a CPU Cache

How to Build a CPU Cache. Learning Objectives. To understand: how cache is logically structured how cache operates CPU reads CPU writes key cache performance parameters making cache more efficient. Cache Functionality.

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Recap: Memory Hierarchy

Recap: Memory Hierarchy. Processor. Secondary Storage (Disk). Control. Main Memory (DRAM). L2 Off-Chip Cache. L1 On-Chip Cache. Datapath. Registers. Speed:. Size:. Cost:. Memory Hierarchy - the Big Picture. Problem: memory is too slow and or too small

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Memory Overview

Memory Overview. Chapter 7.5,7.7,7.8. Outline. Smart memory allocation Memory overview Blocking. Memory Overview. Cache configurations Cache miss categorization Pitfalls. Where can a block be placed?. Scheme # of sets Blocks/set Direct-Mapped Set associative Fully associative.

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AutoCAD Lesson 2

AutoCAD Lesson 2. Lecture 22. Question of the Day. What show is this theme song from?. ANSWER:. MacGyver. What is the first name of MacGyver?. ANSWER:. Angus. Topics For Today. Differences between Inventor and AutoCAD AutoCAD Lesson 2 (You should have read Lesson 1 by now!)

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November 14th, 2007 Majd F. Sakr msakr@qatar.cmu qatar.cmu/~msakr/15447-f07/

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The Goal: illusion of large, fast, cheap memory

The Goal: illusion of large, fast, cheap memory. Fact: Large memories are slow, fast memories are small How do we create a memory that is large, cheap and fast (most of the time)? Hierarchy Parallelism. An Expanded View of the Memory System. Processor. Control. Memory. Memory. Memory.

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CMPE 421 Advanced Computer Architecture

CMPE 421 Advanced Computer Architecture. Caching with Associativity PART2. V. Tag. Data. V. Tag. Data. 0:. 1:. 2. 3:. 4:. 5:. 6:. 7:. 8. 9:. 10:. 11:. 12:. 13:. 14:. 15:. Other Cache organizations. Fully Associative. Direct Mapped. Index. No Index.

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Cache Basics (Section 1.7, 5.1)

Cache Basics (Section 1.7, 5.1). A cache is a small, fast memory located close to the CPU that holds the most recently accessed code or data A block is a fixed-size collection of data containing the requested word, that is retrieved from the memory

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