2 papers
math.NA2026
Conjugate Gradient Methods are Not Efficient: Experimental Study of the Locality Limitation
Ulrich Rüde
The convergence of the Conjugate Gradient method is subject to a locality limitation which imposes a lower bound on the number of iterations required before a qualitatively accurat…
math.NA2025
-refinement: An adaptive mesh refinement scheme for hiearchical hybrid grids
Benjamin Mann, Ulrich Rüde
This work introduces an adaptive mesh refinement technique for hierarchical hybrid grids with the goal to reach scalability and maintain excellent performance on massively parallel…