Parallel Computers

• Welcome to Part 2
• How does your laptop work?
  • Computer Basics
  • Shared Memory Architecture
  • Simple Parallel Calculation
  • Who needs a multicore laptop?
  • How does your laptop use multiple CPU-cores?
  • Memory Caches
  • Resource Contention
  • Terminology Quiz
• Connecting Multiple Computers
  • Distributed Memory Architecture
  • Simple Parallel Calculation
  • Case study of a real machine
  • Wee ARCHIE case study
  • ARCHER2 - it’s more complicated…
  • ARCHER2: building a real supercomputer
  • Quiz - Processors, ARCHER2 and Wee ARCHIE
• Comparing the two appraoches
  • Looking inside your laptop
  • How similar is your laptop to a node of a supercomputer?
  • Shared memory vs Distributed memory
  • What limits the speed of a supercomputer?
  • Graphics Processors
  • terminology Recap
  • Game: Build your own supercomputer