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New in 14.0!<br />
20<br />
New Symmetric Option in 14.0<br />
© 2011 ANSYS, Inc. November 22,<br />
2011<br />
In the past, ANSYS Mechanical solved these two<br />
physics simultaneously with unsymmetric matrices,<br />
which required double the memory and more CPU<br />
time. In ANSYS 14.0, symmetric option is introduced<br />
to cut memory requirements in half and significantly<br />
decreasing CPU time.<br />
The table on the right compares<br />
the overall solution time speed-up<br />
for 275k DOF solved on dual quadcore<br />
Intel Xeon E5530.<br />
Note that the symmetric option is<br />
about 1.5 times faster for this<br />
model on this model on this<br />
particular hardware.<br />
Cores Solver Option Speed-up<br />
1 Sparse Unsym 1.00<br />
1 Sparse Sym 1.64<br />
2 Sparse Unsym 1.00<br />
2 Sparse Sym 1.56<br />
4 Sparse Unsym 1.00<br />
4 Sparse Sym 1.50
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