Basic HTML version of Foils prepared 15 March 1996

Foil 7 Second Two Computational Kernels

From Introduction to Physics and Numerics of NAS Benchmarks CPSP713 Case studies in Computational Science -- Spring Semester 1996. by Geoffrey C. Fox
1 3) Regular Sparse 5 by 5 block matrix -vector multiplication
2 i.e. Sparse matrix-vector multiplication where each operation is multiplication by a 5 by 5 submatrix into a five dimensional subvector
  • This is typical of explicit part of almost all CFD solvers using structured grids.
3 4) Regular Sparse 5 by 5 block lower and upper triangular system solution
4 i.e same basic 5 by 5 submatrix into 5 dimensional vector operation with the arithmetic that of using LU decomposition on a sparse matrix.
  • This is typical of implicit solver used in newer codes such as INS3D-LU
in Table To:

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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