Transcription of INTRODUCTION TO PARALLEL COMPUTING - FAS …
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INTRODUCTION TO PARALLEL COMPUTING - FAS …
INTRODUCTION TO PARALLEL COMPUTING Plamen Krastev Office: 38 Oxford, Room 117 Email: FAS Research COMPUTING Harvard University To introduce you to the basic concepts and ideas in PARALLEL COMPUTING To familiarize you with the major programming models in PARALLEL COMPUTING To provide you with with guidance for designing efficient PARALLEL programs OBJECTIVES: 2 OUTLINE: INTRODUCTION to PARALLEL COMPUTING / High Performance COMPUTING (HPC) Concepts and terminology PARALLEL programming models Parallelizing your programs PARALLEL examples 3 What is High Performance COMPUTING ? Pravetz 82 and 8M, Bulgarian Apple clones Image credit: flickr 4 What is High Performance COMPUTING ? 4 Pravetz 82 and 8M, Bulgarian Apple clones Image credit: flickr What is High Performance COMPUTING ? Odyssey supercomputer is the major computational resource of FAS RC: 2,140 nodes / 60,000 cores 14 petabytes of storage 5 What is High Performance COMPUTING ?
Massively Parallel – refer to hardware of parallel systems with many processors (many = hundreds of thousands) Pleasantly Parallel – solving many similar but independent tasks simultaneously. Requires very little communication Scalability - a proportionate increase in parallel speedup with the addition of more processors 12
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