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more efficient eigenmode solver for parallel machines #595

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stevengj opened this issue Nov 6, 2018 · 0 comments
Open

more efficient eigenmode solver for parallel machines #595

stevengj opened this issue Nov 6, 2018 · 0 comments
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@stevengj
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stevengj commented Nov 6, 2018

Because of #594, we can now skip most of the eigenmode calculation on all processes ≠ 0. Saves a bit of CPU energy and might be easier to diagnose if there is a problem with the eigenmode solver.

More seriously, we should also reconsider how we get the ε data from Meep to MPB, since it looks like it currently does a broadcast for every grid point that is evaluated, which is potentially quite slow.
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