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ELEC 5200-001/6200-001 Computer Architecture and Design Spring 2016 Introduction

This lecture provides an overview of computer architecture and design, covering topics such as hardware, software, instruction set architecture, and computer organization. It also introduces the course objectives and the CPU design project.

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ELEC 5200-001/6200-001 Computer Architecture and Design Spring 2016 Introduction

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  1. ELEC 5200-001/6200-001Computer Architecture and DesignSpring 2016Introduction Vishwani D. Agrawal James J. Danaher Professor Department of Electrical and Computer Engineering Auburn University, Auburn, AL 36849 http://www.eng.auburn.edu/~vagrawal vagrawal@eng.auburn.edu ELEC 5200-001/6200-001 Lecture 1

  2. Course Webpage • http://www.eng.auburn.edu/~vagrawal/COURSE/E6200_Spr16/course.html • Or, • Go to professor’s webpage http://www.eng.auburn.edu/~vagrawal/ • Click on ELEC5200-001/6200-001 Computer Architecture and Design, MWF 11AM, Broun 235. ELEC 5200-001/6200-001 Lecture 1

  3. Course Organization • Text book: D. A. Patterson and J. L. Hennessy, Computer Organization & Design, the Hardware/Software Interface, Fifth Edition, Morgan Kaufman (Elsevier), 2014, ISBN 978-0-12-407726-3. • Instructor: Vishwani D. Agrawal, Broun 323, x41853, vagrawal@eng.auburn.edu. • Graduate Assistant: Yun Wang, hltyzw0041@tigermail.auburn.edu, Broun 357, consulting hours: Friday 3-5PM. • Classroom: Broun 235, MWF 11:00-11:50AM. • Lab: Broun 320. ELEC 5200-001/6200-001 Lecture 1

  4. Author of the Text Book Q&A: RISC and Reward, Communications of the ACM, Volume 57, No. 3, pp. March 2014, pages 112 and 111. ELEC 5200-001/6200-001 Lecture 1

  5. Author of the Text Book ELEC 5200-001/6200-001 Lecture 1

  6. Student Performance Evaluation • Homework (25%): 1 per week, most weeks. • Two Class Tests (25%): • Test 1, TBD, 11:00-11:50AM, Broun 235. • Test 2, TBD, 11:00-11:50AM, Broun 235. • CPU Design Project (25%). • Final Exam (25%): Tuesday, May 3, 2016, 12:00 – 2:30PM, Broun 235. • Class Presentation, if time permits, on assigned topic by ELEC6200 Students; “Satisfactory” grade necessary; attendance necessary for ELEC5200 students. ELEC 5200-001/6200-001 Lecture 1

  7. Course Objective • Learn what a digital computer contains and how it works. • Learn design concepts of a modern computer. • Gain design experience (through project). ELEC 5200-001/6200-001 Lecture 1

  8. The Concept of a Computer Application software Systems software User Hardware Operating system compiler assembler Programs user writes and runs ELEC 5200-001/6200-001 Lecture 1

  9. Software Compiler Assembler Application software, a program in C: swap (int v[ ], int k) {int temp; temp = v[k]; v[k] = v[k+1]; v[k+1] = temp; } MIPS compiler output, assembly language program: swap; muli $2, $5, 4 add $2, $4, $2 lw $15, 0 ($2) lw $16, 4 ($2) sw $16, 0 ($2) sw $15, 4 ($2) jr $31 MIPS binary machine code: 00000000101000010000000000011000 00000000000110000001100000100001 10001100011000100000000000000000 10001100111100100000000000000100 10101100111100100000000000000000 10101100011000100000000000000100 00000011111000000000000000001000 Application software Systems software See pages 122-123 Hardware ELEC 5200-001/6200-001 Lecture 1

  10. The Hardware of a Computer Input Control Datapath Memory Central Processing Unit (CPU) or “processor” Output Application software Systems software Hardware FIVE EASY PIECES ELEC 5200-001/6200-001 Lecture 1

  11. Instruction Set Architecture (ISA) • A set of assembly language instructions (ISA) provides a link between software and hardware. • Given an instruction set, software programmers and hardware engineers work more or less independently. • ISA is designed to extract the most performance out of the available hardware technology. Application software Systems software Instruction set Software Hardware Hardware ELEC 5200-001/6200-001 Lecture 1

  12. ISA • Defines registers • Defines data transfer modes between registers, memory and I/O • Types of ISA: RISC, CISC, VLIW, Superscalar • Examples: • IBM370/X86/Pentium/K6 (CISC) • PowerPC (Superscalar) • Alpha (Superscalar) • MIPS (RISC and Superscalar) • Sparc (RISC), UltraSparc (Superscalar) ELEC 5200-001/6200-001 Lecture 1

  13. Computer Architecture • Architecture: System attributes that have a direct impact on the logical execution of a program • Architecture is visible to a programmer: • Instruction set • Data representation • I/O mechanisms • Memory addressing ELEC 5200-001/6200-001 Lecture 1

  14. Computer Organization • Organization: Physical details that are transparent to a programmer, such as • Hardware implementation of an instruction • Control signals • Memory technology used • Example: System/370 architecture has been used in many IBM computers, which widely differ in their organization. ELEC 5200-001/6200-001 Lecture 1

  15. Architecture and Organization ISA Hardware Engineers Software Programmers ELEC 5200-001/6200-001 Lecture 1

  16. CPU Design Project • Design and implementation of a processor: • Define instruction set • Design datapath and control hardware • Implement hardware in FPGA • Verify ELEC 5200-001/6200-001 Lecture 1

  17. Research and Developments of Continuing Interest • Instruction level parallelism (ILP) • Multi-core systems and chip multi-processing (CMP) • Processors • Inter-processor communication • Memory organization • Operating system • Programming languages • Computing algorithms • Energy efficiency and low power design • Embedded systems • Quantum computing, biological computing, . . . ELEC 5200-001/6200-001 Lecture 1

  18. Summary • A computer processes digital data. • A user solves problems by writing and running programs written in a high-level programming language like C. • Inside computer, system programs called compiler and assembler break the user program down into assembly code (instruction set) and then into binary machine code. • The machine code is processed by the 5-piece hardware (control unit, datapath, memory, input and output) to obtain the desired result. • Readings on architecture (posted at course website): • S. Borkar and A. A. Chen, “The Future of Microprocessors,” Comm. ACM, vol. 54, no. 5, pp. 67-77, May 2011. • L. Hoffmann, “Q&A: RISC and Reward (An Interview with David Patterson),” Comm. ACM, vol. 57, no. 3, pp. 112, 111, March 2014. ELEC 5200-001/6200-001 Lecture 1

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