Research Article

Quasi-Optimal Elimination Trees for 2D Grids with Singularities

Table 1

Estimation of computational cost on a two-element domain for graph-grammar productions expressing the multifrontal solver algorithm for , for sequential and parallel shared-memory solver executions.

Graph-grammar production

(PelimM1_1) 271
(PelimM1_2) 271
(PsolveM1_1,2) 27

Total sequential 271 + 271 + 27 = 569

Total parallel + 27 = 288