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Table 2
Theoretical asymptotic speed-up for two extreme cases in terms of ρ = sparsity(J)(0 ≤ ρ ≤ 1) for MOrad, compared to MULTI with either full or local operator.
| tMULTI/tMOrad | ||
| Full operator | OAB (diagonal) | |
|
|
||
| ρ = 1 | N | N/P |
| ρ = 0 | P N2 | N2 |
Notes. OAB stands for Olson, Auer, & Buchler Operator.
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