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Journal of Applied Mathematics
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Journal of Applied Mathematics
/
2012
/
Article
/
Tab 7
/
Research Article
Parallel Rayleigh Quotient Optimization with FSAI-Based Preconditioning
Table 7
Performance of LOBPCG-
hypre
with Parasails and 16 processors in the computation of the smallest eigenvalue using
bl
= 1 and
bl
= 2 and FSAI-DACG.
LOBPCG,
bl
= 1
LOBPCG,
bl
= 2
FSAI-DACG
iter
𝑇
t
o
t
iter
𝑇
t
o
t
iter
𝑇
t
o
t
FAULT-639
144
10.1
132
17.5
1030
15.4
PO-878
99
43.2
34
29.1
993
20.4
GEO-1493
55
40.2
26
37.3
754
27.0
CUBE-6091
144
5218.8
58
522.4
3257
561.1