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Multigrid Algorithms For Massively Parallel Machines, Satyanarayan Gupta
Multigrid Algorithms For Massively Parallel Machines, Satyanarayan Gupta
Computer Science Theses & Dissertations
Numerical solutions of partial differential equations (pde's) are required in many physical problems arising in areas such as computational fluid dynamics, atmospheric sciences, electromagnetics etc. One of the most popular methods of solving pde's is the use of the multigrid algorithm. However, the implementation of the multigrid algorithm on massively parallel machines is not very efficient because of (i) low processor utilization and (ii) high communication overheads. These problems need to be addressed to make better use of massively parallel machines for solving pde's using the multigrid algorithm.
In this dissertation, we present three parallel multigrid algorithms which …