International Scholarly Research Notices

Research Article

Parallel Adaptive Mesh Refinement Combined with Additive Multigrid for the Efficient Solution of the Poisson Equation

Table 4

The wall-clock time required to solve the Poisson equation on an adaptive Cartesian mesh with the Hilbert SFC as the grid partitioner using 1 to 64 processors on a Beowulf cluster.
Adaptive grid 40048
Processors 1 2 4 8 16 32 64
Time (s) 0 0.039 0.021 0.011 0.010 0.0092 0.0085
Percentage (%) 0 0.073 0.085 0.088 0.13 0.18 0.22