Computer Architecture Notes Dissertation

Chapter one particular: Fundamental of Computer Design

Rung-Bin Lin

1-1

Description

• Computer system Architecture relates to Structure and behaviour of computer like the information types, the teaching sets and various techniques used for recollection addressing. • Can be defined as  functional operation of individual hardware devices, the circulation of information between them and conrol of these features coherently and smoothly

Section 1: Critical of Computer system Design

Rung-Bin Lin

1-2

Chapter 1 ) Fundamentals of Computer Design

• Intro

– Performance Improvement because of

(1). Advancements in the technology (2). Advancement in computer system design

– 1945-1970: (1) and (2) made a serious contribution to performance improvement – 70 ~: 25% to thirty percent per year functionality improvement pertaining to the mainframes and minicomputers. 1975~: 35% per year functionality improvement for microprocessors just due to (1).

Chapter you: Fundamental of Computer Design and style

Rung-Bin Lin

1-3

Efficiency Growth intended for Micro-processors

Chapter 1: Important of Computer system Design

Rung-Bin Lin

1-4

Changes in the Marketplaces Made an effective Architecture

• The virtual elimination of assembly dialect reduced the need for object code compatibility • The creation of standard, vendor-independent os, such as Unix and Cpanel, lowered the price and risk • Result of the adjustments – Enable the development of RISCs to focus on

• Exploitation of instruction level parallelism • Use of abri

– Bring about 50% increase in performance each year

Chapter one particular: Fundamental of Computer Design and style

Rung-Bin Lin

1-5

The Effect of the Growth rate in Computer Efficiency

• Significantly enhanced the capability available to users • Lead to the dominance of microprocessor-based computers across the entire range of computer design. Workstations and PCs include emerged while major goods. Servers change minicomputers. Multiprocessors replace mainframe computers and super computer systems. • The advance of IC technology – Beginning of RISC – Vitality of CISC such as x86 (IA32) microprocessors.

Chapter you: Fundamental of Computer Design and style

Rung-Bin Lin

1-6

CISC

• • • • • • • Endeavors to provide a sole m/c instruction for each assertion written in high level terminology. Eg. VAX of DECEMBER A large no . of. instruction set. (100 – two hundred and fifty instructions) Relatively few subscribes. (8 for 386, 6 for VAX) Instructions that perform specific tasks are used frequently. Shared cache intended for data and instruction. A large variety of responding to modes typically from a few to 20

Chapter 1: Fundamental of Pc Design

Rung-Bin Lin

1-7

CISC

• • • • • Floating level instructions can be obtained within the processor Instruction formats are of variable length and hence will be difficult to decode Instruction change operands in memory Micro-programmed control Difficult to implement pipelining

Chapter 1: Fundamental of Computer Design

Rung-Bin Lin

1-8

RISC

• Structures attempts to lower execution period by streamline instruction pair of the computer. • (Eg. Alpha dog processor and 68000 number of Motorola) • Few recommendations. (reg-reg, weight and retail store instructions pertaining to memory gain access to. • Large no . of. Registers in CPU. (32 for MIPS • Limited no . of. instructions, and all of them are frequently used. • Independent cache pertaining to data and instructions • Relatively few addressing settings.

Chapter 1: Fundamental of Computer Design and style

Rung-Bin Lin

1-9

RISC

• Flying point insturctions are done with coprocessor or software • Fixed size instruction formatting and can be easily decoded and executed in one cycle • Memory get is limited to launch and store instructions and operations are executed within PROCESSOR registers • Hardware control • Pipelining is relatively convenient

Chapter you: Fundamental of Computer Design and style

Rung-Bin Lin

1-10

The Changing Encounter of Computing

1960s 1970s 1980s nineties 2000s Huge mainframes

» Business info processing and...



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