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Apply memoization in get_all_universes - #2995
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One note here is that the pattern: if memo and self in memo:
return {}was pre-existing in other calls using memoization. I stuck with this here for consistency even though this might be more explicit and better: if memo is not None and self in memo:
return {}Happy to update this across the board at the reviewer's request. |
paulromano
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Thanks for fixing this @pshriwise! Two things seem a little weird to me in the implementation but hopefully it's easy to fix:
paulromano
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church89
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Co-authored-by: Paul Romano <paul.k.romano@gmail.com>
apingegno
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Co-authored-by: Paul Romano <paul.k.romano@gmail.com>
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Description
While working on a model with TRISO compacts, @aprilnovak noticed that the
Geometry.get_all_universesmethod was taking a long time (3+ hours) -- preplexing as theget_all_cellscall was taking less than a second.It turns out that we weren't using the memoization objects we have in place for this call/chain-of-calls in the geometry objects. This PR adds the use of memoization for that call.
I haven't added any tests here as the set of tests we have in place exercises these methods significantly -- they should just be faster now.
Checklist
I have run clang-format (version 15) on any C++ source files (if applicable)I have made corresponding changes to the documentation (if applicable)I have added tests that prove my fix is effective or that my feature works (if applicable)