'Average memory access time' presentation slideshows

Chapter 5 Memory Hierarchy Design

Chapter 5 Memory Hierarchy Design. Introduction. The necessity of memory-hierarchy in a computer system design is enabled by the following two factors: Locality of reference: The nature of program behavior Large gap in speed between CPU and mass storage devices such a DRAM.

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Chapter 5

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Chapter 5

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Memory Hierarchy, Caching, Virtual Memory

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CUDA Lecture 3 Parallel Architectures and Performance Analysis

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What impact the memory system design? Principle of Locality Temporal Locality (90% time spent in 10% code)

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Chapter 11 I/O Management and Disk Scheduling

Operating Systems: Internals and Design Principles. Chapter 11 I/O Management and Disk Scheduling. Seventh Edition By William Stallings. Operating Systems: Internals and Design Principles.

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Communication in Tightly Coupled Systems

Communication in Tightly Coupled Systems. CS 519: Operating System Theory Computer Science, Rutgers University Instructor: Thu D. Nguyen TA: Xiaoyan Li Spring 2002. Why Parallel Computing? Performance!. Processor Performance. But not just Performance.

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Reducing Cache Miss Penalties

Reducing Cache Miss Penalties. Traditionally, the focus on cache improvements is on miss rate But our memory access formula suggests that reducing the miss penalty (time to retrieve from main memory) will also be of benefit

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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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CACM July 2012

CACM July 2012. Talk: Mark D. Hill, Wisconsin @ Cornell University, 10/2012. Executive Summary. Today chips provide shared memory w/ HW coherence as low-level support for OS & application SW As #cores per chip scales? Some argue HW coherence gone due to growing overheads

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Exam2 Review

Exam2 Review. Dr. Bernard Chen Ph.D. University of Central Arkansas Spring 2010. Outline. Pipeline Memory Hierarchy . Parallel processing. A parallel processing system is able to perform concurrent data processing to achieve faster execution time

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Duke Compsci 220 / ECE 252 Advanced Computer Architecture I

Duke Compsci 220 / ECE 252 Advanced Computer Architecture I. Prof. Alvin R. Lebeck Storage Hierarchy I: Caches. Slides developed by Amir Roth of University of Pennsylvania with sources that included University of Wisconsin slides by Mark Hill, Guri Sohi , Jim Smith, and David Wood.

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A Performance Comparison of Contemporary DRAM Architectures

A Performance Comparison of Contemporary DRAM Architectures. Vinodh Cuppu, Bruce Jacob University of Maryland. Brian Davis, Trevor Mudge University of Michigan. About the Authors. Trevor Mudge Professor of EE and CS at University of Michigan Ph.D: University of Illinois Researching:

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Chapter Seven Part I Cache Memory

Chapter Seven Part I Cache Memory. Memories: Review. SRAM: value is stored on a pair of inverting gates very fast but takes up more space than DRAM (4 to 6 transistors) DRAM: value is stored as a charge on capacitor (must be refreshed) very small but slower than SRAM (factor of 5 to 10).

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Embedded Computer Architecture Memory Hierarchy: Cache Recap

Embedded Computer Architecture Memory Hierarchy: Cache Recap. Course 5KK73 Henk Corporaal November 2013 h.corporaal@tue.nl. CPU. Level 1. Level 2. Speed. Level n. Size. Memory Hierarchy, why?.

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Motivation for Memory Hierarchy

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CMP 301A Computer Architecture 1 Lecture 2

CMP 301A Computer Architecture 1 Lecture 2. Outline. Direct mapped caches: Reading and writing policies Measuring cache performance Improving cache performance Enhancing main memory performance Flexible placement of blocks: Associativity Multilevel caches. Read and Write Policies.

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Chapter 5

Chapter 5. Memory Hierarchy Desigin. 5.5 Reducing Miss Rate. Causes of misses Compulsory (also called cold-start, or first-reference): the very first access to a block Capacity: cannot contain all blocks

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Computer Memory: Some Extra Topics

Computer Memory: Some Extra Topics. Edward Bosworth TSYS School of Computer Science Columbus State University Lecture for CPSC 5155. Merging Write Buffer. Precise Definition of Virtual Memory.

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