Introduction, 5 components of a computer

Computer Organization and Design: The Hardware/Software Interface

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CS152 Computer Architecture and Engineering Lecture 1 Introduction and Five Components of a Computer January 21, 2004 John Kubiatowicz ( ) lecture slides: 1/21/04 ©UCB Spring 2004 CS152 / Kubiatowicz Lec1.2 Overview ° Intro to Computer Architecture (30 minutes) ° Administrative Matters (5 minutes) ° Course Style, Philosophy and Structure (15 min) ° Break (5 min) ° Organization and Anatomy of a Computer (25) min) 1/21/04 ©UCB Spring 2004 CS152 / Kubiatowicz Lec1.3 What is “Computer Architecture” Computer Architecture = Instruction Set Architecture + Machine Organization + ….. 1/21/04 ©UCB Spring 2004 CS152 / Kubiatowicz Lec1.4 Instruction Set Architecture (subset of Computer Arch.) ... the attributes of a [computing] system as seen by the programmer, i.e. the conceptual structure and functional behavior, as distinct from the organization of the data flows and controls the logic design, and the physical implementation. – Amdahl, Blaaw, and Brooks, 1964 SOFTWARE SOFTWARE -- Organization of Programmable Storage -- Data Types & Data Structures: Encodings & Representations -- Instruction Set -- Instruction Formats -- Modes of Addressing and Accessing Data Items and Instructions -- Exceptional Conditions
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1/21/04 ©UCB Spring 2004 CS152 / Kubiatowicz Lec1.5 ° 1950s to 1960s: Computer Architecture Course: Computer Arithmetic ° 1970s to mid 1980s: Computer Architecture Course: Instruction Set Design, especially ISA appropriate for compilers ° 1990s: Computer Architecture Course: Design of CPU, memory system, I/O system, Multiprocessors, Networks ° 2010s: Computer Architecture Course: Self adapting systems? Self organizing structures? DNA Systems/Quantum Computing? Computer Architecture’s Changing Definition 1/21/04 ©UCB Spring 2004 CS152 / Kubiatowicz Lec1.6 The Instruction Set: a Critical Interface instruction set software hardware 1/21/04 ©UCB Spring 2004 CS152 / Kubiatowicz Lec1.7 Example ISAs (Instruction Set Architectures) ° Digital Alpha (v1, v3) 1992-97 ° HP PA-RISC (v1.1, v2.0) 1986-96 ° Sun Sparc (v8, v9) 1987-95 ° SGI MIPS (MIPS I, II, III, IV, V) 1986-96 ° Intel (8086,80286,80386, 1978-96 80486,Pentium, MMX, ...) 1/21/04 CS152 / Kubiatowicz Lec1.8 MIPS R3000 Instruction Set Architecture (Summary) ° Instruction Categories Load/Store Computational Jump and Branch Floating Point - coprocessor Memory Management Special R0 - R31 PC HI LO OP OP OP rs rt rd sa funct rs rt immediate jump target 3 Instruction Formats: all 32 bits wide Registers Q: How many already familiar with MIPS ISA?
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1/21/04 ©UCB Spring 2004 CS152 / Kubiatowicz Lec1.9 Organization Logic Designer’s View ISA Level FUs & Interconnect ° Capabilities & Performance Characteristics of Principal Functional Units (e.g., Registers, ALU, Shifters, Logic Units, ...) ° Ways in which these components are interconnected ° Information flows between components ° Logic and means by which such information flow is controlled.
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