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ECE462/562 Computer Architecture and Design

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ECE 462/562: COMPUTER ARCHITECTURE AND DESIGN Fall 2013 Professor Ahmed Louri ECE Department Website for Professor: http://www.ece.arizona.edu/~hpcat – PowerPoint PPT presentation

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Title: ECE462/562 Computer Architecture and Design


1
ECE 462/562 COMPUTER ARCHITECTURE AND DESIGN
Fall 2013 Professor Ahmed Louri ECE
Department Website for Professor http//www.ece.a
rizona.edu/hpcat Website for course http//www.e
ce.arizona.edu/ece462
Course Syllabus August 27, 2013
The University of Arizona
2
ECE 462/562 Fall 2013
  • The is being offered for both in-class students
    as well as on-line.
  • In class students section 001 and on-line it is
    section 910.
  • The class is being recorded using Panapto
    software (you will be getting some info about the
    software from UITS shortly).
  • It is in D2L and you can login to the course that
    way as well.
  • There will be a separate website for the course
    which will be password-protected.

3
TOPICS
  • Introduce myself
  • Course Administration
  • Pre-requisites For ECE 462/562
  • Office Hours Textbook
  • Course Syllabus
  • Course Workload
  • Attendance Grading Policy
  • Communication Between Students-TA-Instructor
  • Other

4
Instructor
  • Prof. Ahmed Louri
  • Ph.D. in Computer Engineering From University of
    Southern California, USC 1988.
  • Full Professor, ECE Department for last 25
    years.
  • Areas of Interest Computer Architecture,
    Parallel Processing, Interconnection Networks,
    Multicore Architectures, and Emerging Computing
    and Interconnect Technologies.
  • Introduced and taught ECE 462/562 more than 15
    years ago.
  • Last few years (2010 to 2013) I was invited
    by the National Science Foundation as a Program
    Director to direct the national programs on
    computer architecture, HPC, trustworthy
    computing, among several others.
  • Website
  • www.ece.arizona.edu/hpcat

5
What is Computer Architecture?
6
What is Computer Architecture?
Application
Operating
System
Compiler
Firmware
Instruction Set Architecture
I/O system
Instr. Set Proc.
Datapath Control
Digital Design
Circuit Design
Layout
  • (1) Functional organization, (2) Instruction set
    design, (3) Hardware Implementation (integrated
    circuit design, packaging, power, etc) Technology
    AND
  • (4) Quantitative measurement, evaluation, and
    reporting.

7
ECE 462/562 Course Focus
  • Understanding the design techniques, machine
    structures, technology factors, and evaluation
    methods that will determine the form of computers
    in 21st Century, be it for mobile, desktop,
    server, embedded, supercomputing, datacenter,
    etc.
  • Computer Architecture is at the heart of this!

Parallelism
Technology
Programming
Languages
Applications
Computer Architecture Instruction Set
Design Organization Hardware Performance
evaluation
Interface Design (ISA)
Operating
Performance Evaluation
Eco-system
Systems
8
COURSE OBJECTIVES (1/3)
  • This course aims to provide a strong foundation
    for students to understand modern computer system
    architecture and to apply these insights and
    principles to future computer designs.
  • It provides basic knowledge, fundamental
    concepts, design techniques and trade-offs,
    machine structures, technology factors, software
    implications, and evaluation methods and tools
    required for understanding and designing modern
    computer architectures ranging from mobile
    systems, to desktops, to servers, to clusters, to
    large datacenters, with emphasis on multicores,
    embedded systems, and parallel systems.

9
COURSE OBJECTIVES (2/3)
  • The course is structured into three parts
  • The first part of the course focuses on the
    fundamentals of each building blocks of
    general-purpose computing systems building block
    processor, memory, and interconnect (networks).
    Topics include processor micro-coding and
    pipelining cache microarchitecture and
    optimization and network topology, routing, and
    flow control.
  • The second part goes into more advanced
    techniques and will enable students to understand
    how these three building blocks can be integrated
    to build a modern computing system, and how
    software interacts with hardware. Topics include
    superscalar execution, branch prediction,
    out-of-order execution, register renaming and
    memory disambiguation VLIW, vector, GPU, and
    multithreaded processors memory protection,
    translation, and virtualization and memory
    synchronization, consistency, and coherence.
  • The third part addresses parallel computing
    principles, including multicore architectures,
    datacenters and cloud computing

10
COURSE OBJECTIVES (3/3)
  • At the end of this course, students will
  • (1) know the fundamentals of computer
    architecture and system design.
  • (2) be able to appreciate the various design
    issues and tradeoffs of computer design.
  • (3) be able to apply this knowledge to new
    computer architecture design problems with the
    context of balancing application requirements
    against technology constraints.
  • (4) be able to understand current trends and
    future directions of computer architecture.

11
COURSE OBJECTIVES (continued)
  • In-depth understanding of the inner-workings of
    computers, their evolution, design trade-offs,
    and where the computer field is heading.
  • Gain experience with the design process in the
    context of a large hardware system computer
    design, from the functional specs to physical
    implementation.
  • Computer architecture impacts EVERY other aspect
    of computer engineering and computer science.
  • It is a unifying field for hardware and software.

12
PREREQUISITES
  • Digital Logic (ECE 274 or equivalent) .
  • Basic Machine Structure/Organization CPU,
    memory, virtual memory, caches, buses, I/O
    ECE 369 or equivalent).
  • Some assembly language programming.
  • Some basic programming concepts in a high-level
    language such as C, C, or similar.
  • Use of basic Unix (Linux) commands.
  • Please come see me if you have questions.

13
OFFICE HOURS TEXTBOOK
  • Instructor Prof. Ahmed Louri
  • Office Hours 330 430pm, Tuesday, Thursday,
    in ECE Room 456S
  • email louri_at_ece.arizona.edu
  • Lab Assistant Pavan Poluri
  • Email pavanp_at_email.arizona.edu
  • Office Hours Wednesday 3pm - 4pm, Thursday 3pm
    - 4pm, Carell 556.
  • Lab Hours Tuesdays 2pm - 4pm, Room ECE 250.
  • Textbook Required
  • Computer Architecture a Quantitative
    Approach J.L. Hennessy and D. A. Patterson,
    Morgan Kaufmann Publishers, Fifth Edition. You
    are highly discouraged from using previous
    versions as they outdated.
  • Additional reading this course includes a number
    of reading papers from recent conferences and
    journals. Such papers are very important and are
    required reading for this course. These will be
    provided or posted on the website.
  • There are many optional books on computer
    architecture. You can consult them for specific
    topics to gain a better understanding if you
    wish. You can see me for a list of books.

14
COURSE OUTLINE (a sample only)
  • Fundamentals of computer design (building blocks,
    technology, cost, performance measures,
    evolution, etc.)
  • Processor design (all aspect) datapaths and
    control mechanisms
  • Pipelining principles and advanced topics
    (super-pipelining, superscalar, VLIW, etc.)
  • Instruction Level Parallelism and Data-level
    Parallelism
  • Thread-level Parallelism (Multithreading) and
    Task-level Parallelism
  • Speculative execution, out-of-order execution,
    scheduling, branch prediction, hazards, etc.)
  • Multicore design
  • Memory Design hierarchical memory design,
    virtual memory, cache design, cache coherence
    protocols, memory technologies.
  • Interconnects and communications buses,
    networks, network-on-chip
  • I/O and Storage
  • Parallel Processing Principles
    multi-processors, multi-computers, distributed
    computing, cloud computing.

15
RELATED GRADUATE COURSES
  • ECE 462/562 Computer Architecture not only
    how to build a computer but also how to
    evaluate, analyze, compare it, and possibly
    improve it.
  • ECE 568 Introduction to Parallel Processing It
    concentrates on exploitation of parallelism in
    the computing process and provides
    state-of-the-art knowledge about design of
    parallel computing systems from all aspects
    hardware, architecture, algorithm design,
    programming, scheduling, etc.
  • ECE 569 High-Performance Computing Systems
    advanced parallel processing systems
  • ECE 596 Network-on-chips for Multicore
    Architectures and SOCs.
  • ECE 462/562 ECE 568 ECE 569 (or ECE 596) - etc

16
What will you get out of ECE462/562
  • Formal Evaluation Techniques
  • Critical performance measures and benchmarks
  • Processor design techniques (principles
    state-of-the-art concepts)
  • Memory hierarchy design techniques and critical
    design issues
  • Pipelining and Parallelism
  • Static / Dynamic Scheduling
  • Multithreading
  • Multi-core processor design
  • Interconnection schemes and networks
  • Understanding Technology Trends and limitation
    power, reliability, scalability, etc.
  • Experience in designing an entire system (through
    modeling and simulation only)
  • Ability to pursue advanced graduate degrees (MS,
    Ph.D) in computer architecture, high-performance
    computing, and networking
  • Increase you chances of getting s highly-paid job
    and career in computer systems design

17
COURSE WORKLOAD (1/2)
  • Class consists of lectures, homework, lab
    assignments, exams, and a Term Paper (TP for
    graduate students only, it is optional for
    undergraduates).
  • Two lectures per week.
  • Lab/discussion sessions (optional but highly
    encouraged to attend)
  • Lectures delivered by Instructor, lab/discussion
    sessions delivered by Lab Assistant (LA).
  • Homework problems theoretical in nature
    (problems similar to the ones at the end of each
    chapter in the book) about 4 - 5 problem sets.
  • Lab assignments provide hands-on experience and
    require programming. There will be about 4 - 5
    assignments.
  • two types f exams unannounced quizzes and
    scheduled exams.
  • Quizzes short quizzes at the beginning of
    lectures (random selection). Require previewing
    material from previous lectures.
  • Two scheduled exams a midterm covering the
    first part of the course and a second exam at the
    end of semester covering the entire class with a
    focus on the parts covered after the first exam.
  • Term Paper on a specific topic of computer
    architecture (more later).

18
COURSE WORKLOAD (2/2)
  • Class attendance is REQUIRED and taken into
    consideration for final grade.
  • Note on Lecture Attendance You are required to
    attend the lectures. This is your opportunity to
    ask questions, contribute answers and insights,
    and affect the nature of the class. Lecture notes
    and textbook are not guaranteed to capture 100
    of every topic and details covered in class.
  • Any extenuating circumstances that would prevent
    you from attending the class must be discussed
    with me in advance (e.g. Death in the family,
    illness, traveling for interview, ). Written
    documentation required.
  • It is not compulsory to attend all lab sessions,
    but highly recommended that you show up.
  • Readings Students are expected to complete all
    of the assigned reading, including the textbook
    and the papers provided. These will be also
    subject to exam questions as well.

19
Course Policies and Procedures
  • Collaboration
  • Studying and discussing course material with
    classmates is ok but
  • Work handed in for grade (homework, lab
    assignment, term paper, etc.) MUST BE YOUR OWN
    effort only.
  • Online solutions from other sources etc.
    Students are not allowed to use online solutions
    from previous course offerings, commercial
    websites, etc. This will be strictly checked and
    enforced.
  • You should adhere to the UofA policies and
    procedures on Code of Academic Integrity.

20
Course Policies and Procedures
  • I have to explicitly state this per University
    policy Cheating in ECE 462/562 will
    automatically result in failure and possible
    expulsion from the ECE and the University.
  • Examples of cheating include
  • - Submitting someones work (homework, lab
    assignment), or something very similar (both
    assignments will result in zero, both students
    will fail the class)
  • - Downloading a solution/program from
    somewhere and submitting it as your own.
  • - Plagiarizing someones work and submitting
    it as your own for the term paper.
  • If you use someones work as a reference or a
    starting point, it MUST be cited and clearly
    indicated. Please see me for this.

21
Course Policies and Procedures
  • Auditor policy Casual listeners that attend
    lectures but do not enroll are not allowed. You
    must enroll in the class to attend the lectures
    and have access to course material. This will be
    enforced.
  • Cellular Phones, Laptops, Tablets and Lecture
    Policy Students are prohibited from using
    cellular phones, laptops and tablets during
    lectures. It is not practical to take notes with
    a laptop or a tablet for this course due to the
    math, extensive micro-architectural diagrams and
    drawings, illustrations, etc. Also, the
    distraction caused by a few students using (or
    misusing) laptops, tablets during lecture far
    outweigh any benefits in this class.
  • Late Assignment Policy NO late assignment will
    be accepted! No exception. All assignments will
    be submitted electronically and therefore no room
    for being late due to automatic checking.
  • No partial credits on assignments, be it homework
    or lab assignment
  • - if program runs and produces the required
    results you get a grade
  • - if its does not work to the problem specs, you
    get zero.
  • NO MAKE-UP EXAMS! (except for special extenuating
    circumstances)

22
Grading Policy for Undergraduates
  • For Undergraduate students
  • Two Exams Quizzes 45 (20,
    20, 5).
  • Assignments (Homework/Lab 8 to 10) 45
  • Class participation/discussion
    10
  • Credit for the optional term paper.
  • Homework assignment are weighted equally but lab
    assignment are not. Lab assignment weight will be
    provided when the assignment is handed out.

23
Grading Policy Graduate Students
  • For graduate students
  • Two exams Quizzes 35 (15,
    15, 5)
  • Homework/Lab (8 to 10) 45
  • Term Paper 15
  • Class participation 10
  • For graduate students this course has a
    larger significance, next slide

24
Graduate Students
  • For graduate students, this course represents a
    transition from coursework to the research world.
  • You can consider yourself a researcher now.
  • In research, you are supposed to be able to
  • 1) do investigative work on a particular
    topic ability to read
  • and understand research papers (key
    to your success)
  • 2) document your findings (in terms of
    technical papers)
  • 3) disseminate your findings through
    conference and journal
  • publications
  • 4) present it and defend it in front of a
    scientific community of your peers.
  • This course and the term paper will
    significantly help in this transition.
  • We will talk more about the term paper later on.

25
Grading Policy (continued)
  • Homework/Lab assignments must be turned in
    electronically.
  • You will use a turn-in program to submit the
    homework and lab assignments.
  • PLEASE DO NOT E-MAIL ME YOUR HOMEWORK, LAB, OR
    EXAM, it may get lost and not be graded (like
    everybody else, I receive tons of emails a day).
  • Please refer to the course website for how to
    use electronic submission and other important
    information.

26
Lab Info.
  • The lab sessions will be held in Room no. ECE
    250. The other lab which can be used by the
    students is Room no. ECE 232.
  • Room ECE 250 (open between 8am-5pm, unless
    reserved)
  • Room ECE 232 (open between 8am-5pm)
  • PLEASE locate the rooms and the resources
    available. Do not wait until due date.
  • Website will be password-protected once we
    verify you are registered for the class, you will
    be provided with a password.
  • Simulators WinMIPS64 (on Windows based
    machines), Dinero4 (on Unix based machines) more
    on this later.
  • (You can follow instructions on the class website
    for accessing these tools).
  • E-mail (pavanp_at_email.arizona.edu) in case of any
    problems!

27
CLASS FORMAT (Prof. Louri)
  • The lectures will be on PowerPoint. Occasional
    writing on the board.
  • Please arrive on time to the class! Quizzes will
    start at the beginning of the lectures.
  • The PowerPoint presentations are only main
    bullets of the lecture. Details and explanations
    are given in class.
  • Suggestion 1 print the class material
    beforehand, and try to write down what I say in
    class on the ppt printout. Also, I would
    encourage you to read the relevant chapter before
    the lecture
  • Questions are allowed and highly encouraged
    during the lecture. Please do not hesitate to ask
    questions anytime during the lecture.
  • PLEASE DO NOT SLEEP IN CLASS! It is disturbing to
    the instructor as well as to your classmates.
  • Suggestion 2 please have a light lunch or a
    snack only before class. Having a heavy lunch
    will definitely interfere with your ability to
    follow the entire lecture!
  • Need to check the website daily. Important
    announcements related to the course will be
    posted on the course website.

28
CLASS INTERACTION
  • My goal is
  • To show you how to understand the fundamentals of
    computer architecture in its present form and its
    evolution in the future.
  • To show you how to design by leading you through
    the process on challenging problems.
  • To open the door of learning for you you need to
    walk through the door!
  • I want you to succeed in achieving your goals
  • easy transition from undergrad to grad studies
  • easy transition to work environment
  • well prepared for graduate studies

29
CLASS INTERACTION (continued)
  • So please
  • Show initiative
  • Ask questions during class
  • Read class material
  • Come to office hours
  • Find me in the lab, or my office if you cant
    make it to office hours
  • Dont be intimidated, keep in mind that in the
    learning process EVERY QUESTION IS A VALID
    QUESTION !!! There is no such a thing as a stupid
    question!
  • If you dont understand ask, ask, ask!
  • Be proactive and you will succeed !

30
Homework 0
  • Design Your Own web site with your picture in the
    page.
  • Protect access via a password (if you like).
  • Upload the information sheet on YOUR website by
    downloading it from the class website, include
    name, Major Year, a picture of yourself,
    something about yourself (brief), and how you can
    be reached.
  • Send the URL to the LA along with the password.
  • Due September 9, 2013.
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