X - UWSpace - University of Waterloo
X - UWSpace - University of Waterloo
X - UWSpace - University of Waterloo
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using just "PD time" since WSET could be implemented with a more advanced coding scheme<br />
or different suategies such as storing data in each local database. AI1 the following reports are<br />
based on the prima1 simplex method and the banier method with prima1 crossover. however other<br />
methods such as the dual simplex method or dual crossover cm be used to solve the subproblems.<br />
The simplex methoâ was faster than the barrier method in al1 test problems except FP in which<br />
the barrïer method was much faster.<br />
Table 5.5 Performance <strong>of</strong> Paralle1 Decomposition with Simplex solver<br />
1 1 PD Steps 1 Sirnplex Iteration 1 Tirne (sec) 1 Specdup 1 Dual Gap<br />
TEP<br />
NAEP<br />
HEPGl<br />
HEPG?<br />
FP<br />
P#<br />
6<br />
35<br />
2<br />
3<br />
3<br />
Pt#<br />
6<br />
67<br />
3<br />
4<br />
3<br />
Pu#<br />
6<br />
47<br />
2<br />
4<br />
3<br />
LL<br />
191<br />
1360<br />
8350<br />
13305<br />
LU<br />
168<br />
1841<br />
8607<br />
12803<br />
UL<br />
149<br />
1494<br />
8542<br />
13736<br />
UU<br />
133<br />
1972<br />
6483<br />
12801<br />
WSET<br />
1.01<br />
18.08<br />
649.78<br />
997.45<br />
267063 279306 276563 71452 1 159.1<br />
PD<br />
0.36<br />
5.70<br />
36.94<br />
94.53<br />
,1708<br />
,<br />
0.53<br />
0.27<br />
1.61<br />
1.64<br />
10.16<br />
(%)<br />
0.000000<br />
0.000000<br />
0.000000<br />
0.000000<br />
0.000000
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