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Apply memoization in get_all_universes #2995

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Merged
paulromano merged 6 commits into from
May 24, 2024
Merged

Apply memoization in get_all_universes #2995

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472e156
Adding a memo to get_all_universes
pshriwise May 8, 2024
9aa6d77
Employ memo at a universe level and use a new memo for get_all_cells …
pshriwise May 9, 2024
6f8a079
apply memo at cell level
pshriwise May 9, 2024
5e5eb4e
Make memo optional for lattices and apply memo for lattice objects
pshriwise May 9, 2024
feb5729
Always create memo sets if memo is None
pshriwise May 14, 2024
386b174
Small simplifications in logic
paulromano May 24, 2024
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Adding a memo to get_all_universes
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@pshriwise
pshriwise committed May 8, 2024
commit 472e156a7745e645ef5f5f38b99eb5bbf17ada6c
6 changes: 3 additions & 3 deletions openmc/cell.py
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Original file line number Diff line number Diff line change
Expand Up @@ -465,7 +465,7 @@ def get_all_materials(self, memo=None):

return materials

def get_all_universes(self):
def get_all_universes(self, memo=None):
"""Return all universes that are contained within this one if any of
its cells are filled with a universe or lattice.

Expand All @@ -481,9 +481,9 @@ def get_all_universes(self):

if self.fill_type == 'universe':
universes[self.fill.id] = self.fill
universes.update(self.fill.get_all_universes())
universes.update(self.fill.get_all_universes(memo))
elif self.fill_type == 'lattice':
universes.update(self.fill.get_all_universes())
universes.update(self.fill.get_all_universes(memo))

return universes

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2 changes: 1 addition & 1 deletion openmc/geometry.py
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Expand Up @@ -389,7 +389,7 @@ def get_all_universes(self) -> typing.Dict[int, openmc.Universe]:
"""
universes = {}
universes[self.root_universe.id] = self.root_universe
universes.update(self.root_universe.get_all_universes())
universes.update(self.root_universe.get_all_universes(memo=set()))
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return universes

def get_all_nuclides(self) -> typing.List[str]:
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8 changes: 7 additions & 1 deletion openmc/lattice.py
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Expand Up @@ -203,7 +203,7 @@ def get_all_materials(self, memo=None):

return materials

def get_all_universes(self):
def get_all_universes(self, memo):
"""Return all universes that are contained within the lattice

Returns
Expand All @@ -218,6 +218,12 @@ def get_all_universes(self):
# in each nested Universe level
all_universes = {}

if memo and self in memo:
return all_universes

if memo is not None:
memo.add(self)

# Get all unique Universes contained in each of the lattice cells
unique_universes = self.get_unique_universes()

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6 changes: 3 additions & 3 deletions openmc/universe.py
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Expand Up @@ -90,7 +90,7 @@ def add_volume_information(self, volume_calc):
else:
raise ValueError('No volume information found for this universe.')

def get_all_universes(self):
def get_all_universes(self, memo=None):
"""Return all universes that are contained within this one.

Returns
Expand All @@ -102,8 +102,8 @@ def get_all_universes(self):
"""
# Append all Universes within each Cell to the dictionary
universes = {}
for cell in self.get_all_cells().values():
universes.update(cell.get_all_universes())
for cell in self.get_all_cells(memo).values():
universes.update(cell.get_all_universes(memo))

return universes

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