[PDF] Introduction to Electrical and Computer Engineering

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76407_7engrg1060_ece_lecture.pdf

Introductionto

ElectricalandComputer Engineering

ChristopherBatten

ComputerSystemsLabor atory

SchoolofElectr icaland ComputerEngineering

CornellUniversity

ENGRG1060Explor ationsin EngineeringSeminar

Summer2013

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ComputerSystems:CS vs.EEvs. CE

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ENGRG1060Computer SystemsLabs

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ApplicationRequirementsvs. Technology Constraints

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Processors,Memories,andNetworks

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Activity#1:Sor tingwitha SequentialProcessor

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ENGRG1060IntrotoECE ÐChristopher Batten15/36

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TalkOutline

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ENGRG1060IntrotoECE ÐChristopher Batten16/36

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ApplicationRequirementsvs. Technology Constraints

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ExponentialScalingf orProcessor Computation

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ExponentialScalingf orMemory Capacity

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ExponentialScalingf orNetwork Bandwidth

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Keytrendsinapplicationrequirementsand

technologyconstraints overthepastdecadehave resultedina radical rethinkingofthe processors,memories,and networks usedinmoder ncomputingsystems

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growingdiversityincomputingsystems

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Trend1:BellÕsLa w

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Trend1:Growing Diversityin Apps&Systems

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Trend2:Energyand Power Constraints

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Trend2:Power ConstrainsSingle-Processor Scaling

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Trend3:Transitionto MulticoreProcessor s

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ENGRG1060IntrotoECE ÐChristopher Batten27/36

ECEOver viewWhatisComputer Engineering? ¥Trends inComputerEngineering¥ComputerEngineering Design

Trend4:EmergingDe viceTec hnologies

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ENGRG1060IntrotoECE ÐChristopher Batten28/36

ECEOver viewWhatisComputer Engineering? ¥Trends inComputerEngineering¥ComputerEngineering Design

Keytrendsinapplicationrequirementsand

technologyconstraints overthepastdecadehave resultedina radical rethinkingofthe processors,memories,and networks usedinmoder ncomputingsystems

FourKe yTrendsinComputerEngineering

1.Growingdiversityinapplication requirementsmotivate

growingdiversityincomputingsystems

2.Energyandpo wer constrainsystemsacrosstheentire

computingspectrum

3.Transitiontomultiplecoresintegr atedontoa singlechip

4.Technologyscalingchallengesmotivate newemerging

processor,memory, andnetworkdevicetechnologies

ENGRG1060IntrotoECE ÐChristopher Batten29/36

ECEOver viewWhatisComputer Engineering? ¥Trends inComputerEngineering¥ComputerEngineering Design

Activity#2:Sor tingwitha ParallelProcessor

I " I " I " I " # I

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I

SimulatedParallelComputingSystem

IProcessor:Groupof2Ð8students

IMemory:Worksheet,scr atchpaper

INetwork:Communicatingbetweenstudents

I

ActivitySteps

I1.Discussstr ategywithg roup

I2.Wheninstr uctorstarts timer,masterprocessorßips overworksheet

I3.Sort 32numbersasfast aspossible

I4.Lookupwhen completedandwr itetime onwor ksheet

I5.Masterprocessoronly raiseshand

I6.Whene very oneisÞnished,thenanalyzedata

ENGRG1060IntrotoECE ÐChristopher Batten30/36

ECEOver viewWhatisComputer Engineering? ¥Trends inComputerEngineering¥ComputerEngineering Design

Activity#2:Discussion

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ENGRG1060IntrotoECE ÐChristopher Batten31/36

ECEOver viewWhatisComputerEngineering? TrendsinComputerEngineering ¥ComputerEngineering Design¥

TalkOutline

ECEOver view

WhatisComputer Engineering?

TrendsinComputerEngineering

ComputerEngineering Design

ENGRG1060IntrotoECE ÐChristopher Batten32/36

ECEOver viewWhatisComputerEngineering? TrendsinComputerEngineering ¥ComputerEngineering Design¥

Whatdocomputer engineeringsactually do?

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ENGRG1060IntrotoECE ÐChristopher Batten33/36

ECEOver viewWhatisComputerEngineering? TrendsinComputerEngineering ¥ComputerEngineering Design¥

Howdowedesignsomething soincredibl ycomplex?

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4+&'1)52+67)8(-6,')*3'DEDF'?$,,$+&'/4(&#$#/+4#

ENGRG1060IntrotoECE ÐChristopher Batten34/36

ECEOver viewWhatisComputerEngineering? TrendsinComputerEngineering ¥ComputerEngineering Design¥

I

DesignPrinciples

IModularityÐDecomposeintocomponents withwell-deÞned interfaces IHierarchyÐRecursivelyapplymodularitypr inciple IEncapsulationÐHideimplementationdetails frominterfaces IRegularityÐLeveragestructureatvariousle velsofabstraction IExtensibilityÐIncludemechanisms/hooksto simplifyfuturechanges I

DesignPatterns

IProcessors,Memories,Netw orks

IControl/DatapathSplit

ISingle-Cycle,FSM,PipelinedControl

IRawPort,Message ,MethodInterfaces

I

DesignMethodologies

IAgileHardware Development

ITest-drivenDevelopment

IIncrementalDev elopment

ENGRG1060IntrotoECE ÐChristopher Batten35/36

ECEOver viewWhatisComputerEngineering? TrendsinComputerEngineering ComputerEngineering Design

Take-AwayPoints

I

ECEisa broadÞeldf ocusedonthe study

andapplicationof electricity,micro- electronics,andelectro-magnetism I

Computerengineering istheprocessof

designingabstraction andimplementation layerstomeetapplicationrequirements withinphysical technologyconstraints I

Weareenteringan excitingnewera of

computerengineering withemerging applicationsandsystems ,aremar kableshift towardsmainstreamparallelprocessing, andsigniÞcanttechnology challenges

ENGRG1060IntrotoECE ÐChristopher Batten36/36

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