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Optimize generate_box_mesh #458

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Merged
inducer merged 2 commits into from
May 13, 2025
Merged

Optimize generate_box_mesh #458

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14e4191
optimize generate_box_mesh (#458, part 1)
majosm May 13, 2025
9f9016f
combine/optimize _match_vertices and find_point_permutation implement…
majosm May 13, 2025
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13 changes: 9 additions & 4 deletions meshmode/discretization/connection/direct.py
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Original file line number Diff line number Diff line change
Expand Up @@ -422,12 +422,17 @@ def _resample_point_pick_indices(self, to_group_index: int, ibatch_index: int,
ibatch = self.groups[to_group_index].batches[ibatch_index]
from_grp = self.from_discr.groups[ibatch.from_group_index]

from meshmode.mesh.tools import find_point_permutation
return find_point_permutation(
targets=ibatch.result_unit_nodes,
permutees=from_grp.unit_nodes,
from meshmode.mesh.tools import find_point_to_point_mapping
src_idx_to_tgt_idx = find_point_to_point_mapping(
src_points=ibatch.result_unit_nodes,
tgt_points=from_grp.unit_nodes,
tol_multiplier=tol_multiplier)

return (
src_idx_to_tgt_idx
if np.all(src_idx_to_tgt_idx >= 0)
else None)

@keyed_memoize_method(lambda actx, to_group_index, ibatch_index,
tol_multiplier=None: (to_group_index, ibatch_index, tol_multiplier))
def _frozen_resample_point_pick_indices(self, actx: ArrayContext,
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