Implementation level

Poisson equation, solving with DFT, FFTW

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Primary author of this description: V.M.Stepanenko, E.V.Mortikov.

1 Links

Implementation Domain decomposition Parallelization technologies Exchanges in MPI
FFTW 1D MPI+OpenMP

2 Locality of data and computations

2.1 Locality of implementation

2.1.1 Structure of memory access and a qualitative estimation of locality

2.1.2 Quantitative estimation of locality

3 Scalability of the algorithm and its implementations

3.1 Scalability of the algorithm

3.2 Scalability of of the algorithm implementation

4 Dynamic characteristics and efficiency of the algorithm implementation

5 Run results

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