'Temporal locality' diaporamas de présentation

CMPT 300 Introduction to Operating Systems

CMPT 300 Introduction to Operating Systems. Cache. Acknowledgement: some slides are taken from CS61C course material at UC Berkeley. Agenda. Memory Hierarchy Direct Mapped Caches Cache Performance Set Associative Caches Multiprocessor Cache Consistency. Storage in a Computer. Processor

1.08k views • 85 slides

Chapter 21 Cache

Chapter 21 Cache. Reference: [1] David A. Patterson and John L. Hennessy, Computer Organization & Design

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Prelim 3 Review

Prelim 3 Review. Hakim Weatherspoon CS 3410, Spring 2013 Computer Science Cornell University. Administrivia. Pizza party : Project3 Games Night Cache Race Tomorrow , Friday, April 26 th , 5:00-7:00pm Location: Upson B17 Prelim 3 Tonight , Thursday, April 25 th , 7:30pm

750 views • 61 slides

CS184b: Computer Architecture (Abstractions and Optimizations)

CS184b: Computer Architecture (Abstractions and Optimizations). Day 8: April 23, 2003 Binary Translation Caching Introduction. Today. Binary Translation Competitive/online translation Some numbers Memory System Issue Structure Idea Cache Basics. Previously: BT Idea.

730 views • 59 slides

CSE 502: Computer Architecture

CSE 502: Computer Architecture. Memory Hierarchy & Caches. This Lecture. Memory Hierarchy Caches / SRAM Cache Organization and Optimizations. Motivation. Want memory to appear: As fast as CPU As large as required by all of the running applications. Processor. Memory. Storage Hierarchy.

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CS1104 Help Session I Memory Semester II 2001/02

CS1104 Help Session I Memory Semester II 2001/02. Colin Tan, S15-04-05, Ctank@comp.nus.edu.sg . Memory. Memory can be visualized as a stack of pigeon holes. Current computers have about 128,000,000 pigeon holes.

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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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One Hundred Years of Data

One Hundred Years of Data. Dr. Francine Berman Director, San Diego Supercomputer Center Professor and High Performance Computing Endowed Chair, UC San Diego. The Digital World. Entertainment. Shopping. Information. How much Data is There?*. iPod Shuffle (up to 120 songs) = 512 MegaBytes.

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CSE 502: Computer Architecture

CSE 502: Computer Architecture. Memory Hierarchy & Caches. Motivation. Want memory to appear: As fast as CPU As large as required by all of the running applications. Processor. Memory. Storage Hierarchy. Make common case fast: Common : temporal & spatial locality

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Practical Suffix Tree Construction

Practical Suffix Tree Construction. Sandeep Tata, Richard A. Hankins, and Jignesh M. Patel Presented by Niketan Pansare, Megha Kokane. Outline. Overview Existing Algorithms Motivation Two Approaches Experiments and Analysis. Overview.

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On the Sensitivity of Web Proxy Cache Performance to Workload Characteristics

On the Sensitivity of Web Proxy Cache Performance to Workload Characteristics. Mudashiru Busari Carey Williamson Department of Computer Science University of Saskatchewan. Talk Outline. Introduction and Motivation ProWGen: Proxy Workload Generator Tool for Synthetic Web Proxy Workloads

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Characterizing User Access To Videos On The World Wide Web

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Writing Cache Friendly Code

Writing Cache Friendly Code. Make the common case go fast Focus on the inner loops of the core functions Minimize the misses in the inner loops Repeated references to variables are good ( temporal locality ) Stride-1 reference patterns are good ( spatial locality ).

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Optimizing for the Memory Hierarchy

Optimizing for the Memory Hierarchy. Systems I. Topics Impact of caches on performance Memory hierarchy considerations. Cache Performance Metrics. Miss Rate Fraction of memory references not found in cache (misses/references) Typical numbers: 3-10% for L1

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GreedyDual* Web Caching Exploiting the Two Sources of Locality in Web Request Streams

GreedyDual* Web Caching Exploiting the Two Sources of Locality in Web Request Streams Azer Bestavros and Shudong Jin Computer Science Department Boston University May 23, 2000. Characterizing Temporal Locality. Use PDF of Request Inter-Arrivals (RIA) [Breslau et al:1999]

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Sparse Matrix Vector Multiply Algorithms and Optimizations on Modern Architectures

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Dynamic Time Variant Connection Management for PGAS Models on InfiniBand

Dynamic Time Variant Connection Management for PGAS Models on InfiniBand. Abhinav Vishnu 1 , Manoj Krishnan 1 and Pavan Balaji 2 1 Pacific Northwest National Laboratory Richland, WA 2 Argonne National Laboratory Argonne, IL. Outline. Introduction Background and Motivation

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COEN 180

COEN 180. Memory Hierarchy. Memory Hierarchy. We are therefore forced to recognize the possibility of constructing a hierarchy of memories, each of which has greater capacity than the preceding but which is less quickly accessible.

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