'Direct mapped cache' diaporamas de présentation

Chapter 6

Chapter 6. Memory. Chapter 6 Objectives. Master the concepts of hierarchical memory organization. Understand how each level of memory contributes to system performance, and how the performance is measured.

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Chapter 6

Chapter 6. Memory. Chapter 6 Objectives. Master the concepts of hierarchical memory organization. Understand how each level of memory contributes to system performance, and how the performance is measured.

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Supercomputing and Science

Supercomputing and Science. An Introduction to High Performance Computing Part II: The Tyranny of the Storage Hierarchy: From Registers to the Internet Henry Neeman, Director OU Supercomputing Center for Education & Research. Outline. What is the storage hierarchy? Registers Cache

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Outline

Improving Direct-Mapped Cache Performance by the Addition of a Small Fully-Associative Cache and Prefetch Buffers By Sreemukha Kandlakunta Phani Shashank Nagari. Outline. Base Line Design Reducing Conflict Misses Miss Caching Victim Caching Reducing Capacity and Compulsory Misses

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Chapter 6

Chapter 6. Memory. 6.1 Introduction. Memory lies at the heart of the stored-program computer. In previous chapters, we studied the components from which memory is built and the ways in which memory is accessed by various ISAs.

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Operating System

Operating System. Exploits hardware resources one or more processors main memory, disk and other I/O devices Provides a set of services to system users program development, program execution, access to I/O devices, controlled access to files and other resources etc.

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Memory Management Unit

Memory Management Unit. The Memory System. Embedded systems and applications The memory system requirements: vary considerably Simple blocks Multiple types of memory Caches Write buffers Virtual memory. Memory management units. Memory management unit (MMU) translates addresses:

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Caches (Writing)

Caches (Writing). Hakim Weatherspoon CS 3410, Spring 2013 Computer Science Cornell University. P & H Chapter 5.2-3, 5.5. Big Picture: Memory. compute jump/branch targets. Code Stored in Memory (also, data and stack). memory. register file. A. $0 (zero) $1 ($at) $29 ($ sp )

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Cache Memories

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Cache Memories 15-213: Introduction to Computer Systems 11 th Lecture, Sep 30, 2013

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Cache Memories 15-213: Introduction to Computer Systems 11 th Lecture, Sep 30, 2013

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CMPE 421 Parallel Computer Architecture

CMPE 421 Parallel Computer Architecture. PART3 Accessing a Cache. 01. 4. 11. 15. Direct Mapped Cache Example 2 ( 4, 1-word blocks ). Consider the main memory word reference string 0 1 2 3 4 3 4 15.

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Cache Memories

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CPS220 Computer System Organization Lecture 18: The Memory Hierarchy

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The Memory Hierarchy II CPSC 321

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ECE 454 Computer Systems Programming Memory performance (Part I: review of mem . hierarchy)

ECE 454 Computer Systems Programming Memory performance (Part I: review of mem . hierarchy). Ding Yuan ECE Dept., University of Toronto http://www.eecg.toronto.edu/~yuan. Content. Cache basics and organization Optimizing for Caches (next lec .) Tiling/blocking Loop reordering.

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Caching II

Caching II. Andreas Klappenecker CPSC321 Computer Architecture. Verilog Questions & Answers. Verilog Q & A. How is the xor instruction encoded? R-format instruction, function field Ox26 See [PH] page A-59 What is the purpose of Idealmem.v? It models the memory

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Spatial locality

( m-k-n ) bits. k bits. n -bit Block Offset. Byte Address. Block Address. m -bit Address. Tag. Index. 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111. 0 1 2 3 4 5 6 7. Index. 0 1 2 3. Spatial locality. Caches load multiple

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14:332:331 Computer Architecture and Assembly Language Fall 2003 Week 13 Basics of Cache

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Memory System Performance

Memory System Performance. What affects memory performance?. Hit Time : Time to send data from the cache to the CPU. Miss Penalty : Time to copy data from memory into the cache. Miss Rate : Percentage of memory accesses to locations outside cache. Average Memory Access Time (AMAT).

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