What is Parallel Computing?

What is Parallel Computing?
The simultaneous use of more than one processor or computer to solve a problem


Why do we need Parallel Computing?

• Serial computing is too slow
• Need for large amounts of memory not accessible by a single processor

http://old.ecmwf.int/newsevents/training/meteorological_presentations/2013/NM2013/Mozdzynski/NA_Parallel_computing.pdf