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Note for High Performance Computer Architecture - HPCA By Lovely Kiitian

  • High Performance Computer Architecture - HPCA
  • Note
  • KALINGA INSTITUTE OF INDUSTRIAL EDUCATION - KIIT
  • Computer Science Engineering
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High Performance Computer Architecture Introduction Mr. SUBHASIS DASH SCHOOL OF COMPUTER ENGINEERING. KIIT UNIVERSITY BHUBANESWAR 1

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Introduction – Computer performance has been increasing phenomenally over the last five decades. – Brought out by Moore’s Law: ● Transistors per square inch roughly double every eighteen months. – Moore’s ● law is not exactly a law: but has held good for nearly 50 years. 2

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Moore’s Law Gordon Moore (co-founder of Intel) predicted in 1965: “Transistor density of minimum cost semiconductor chips would double roughly every 18 months.” Transistor density is correlated to processing speed. Moore’s Law: it’s worked for a long time 3

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Trends Related to Moore’s Law Cont… • Processor performance: • Twice as fast after every 2 years (roughly). • Memory capacity: • Twice as much after every 18 months (roughly). 4

Lecture Notes