1. Parallel Processing: Architecture and System Overview Rajkumar Buyya Gri d Computing and D istributed S ystems (GRIDS) Lab . The University of Melbourne, Australia www.gridbus.org/~raj WW Grid

2. Serial Vs. Parallel COUNTER COUNTER 1 COUNTER 2 Q Please

4. Computing Elements Hardware Operating System Applications Programming paradigms P P P P P P   Microkernel Multi-Processor Computing System Threads Interface Process Processor Thread P

9. Human Architecture! Growth Performance Age Growth 5 10 15 20 25 30 35 40 45 . . . . Vertical Horizontal

10. Computational Power Improvement No. of Processors C.P.I 1 2 . . . . Multiprocessor Uniprocessor

13. Processing Elements Architecture

25. Operating Systems for High Performance Computing

30. Traditional OS OS Designer OS Hardware User Mode Kernel Mode Application Programs Application Programs

31. New trend in OS design User Mode Kernel Mode Hardware Microkernel Servers Application Programs Application Programs