Inexact GMRES: FMM scaling

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posted on 2016-03-08, 23:25 authored by Tingyu Wang, Simon K. Layton, Lorena A. BarbaLorena A. Barba

Figure and plotting script: Scaling of the FMM code with respect to problem size N, using a Laplace kernel with spherical expansions, p=5 and N_crit = 126. The tests ran on a lab workstation using six CPU threads. The dotted line shows the expected O(N) scaling.

Figure 8 of the paper: "Inexact Krylov iterations and relaxation strategies with fast-multipole boundary element method"

Submitted for peer review.

Funding

National Science Foundation award ACI-1149784

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Keywords

fast multipole method boundary element methods FMM BEM Krylov GMRES numerical computing elliptic equations integral equations Stokes flow Numerical Computation Applied Mathematics not elsewhere classified Numerical Solution of Differential and Integral Equations

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CC BY 4.0

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