Simon Layton, Boston University - Nvidia
Simon Layton, Boston University - Nvidia
Simon Layton, Boston University - Nvidia
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Component (4) - Galerkin Product<br />
‣Generate next level in hierarchy<br />
A k+1 = R k A k P k<br />
1.5<br />
1<br />
0.5<br />
< 1% 2% 2% < 1%<br />
13%<br />
Triple matrix product<br />
0<br />
39%<br />
−0.5<br />
‣<br />
−1<br />
Prolongate & correct<br />
44%<br />
Restrict residual<br />
Compute R<br />
Compute A<br />
Compute P<br />
Smooth<br />
Other<br />
−1.5<br />
−1.5 −1 −0.5 0 0.5 1 1.5<br />
Bottleneck!<br />
9
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