b54398c16c
Some fields reference attributes directly. When the referenced attribute has the requested type and domain, the captured/stored attribute can share its array, avoiding the cost of duplication and reducing memory usage, at least temporarily until either attribute is modified. This only works when the attribute doesn't need validation and when the selection input isn't used, since those potentially need to change values in the arrays. I saw this save 200MB and 11 ms of copying for a simple grid with 16 million points (creating the grid takes about 60ms). Pull Request: https://projects.blender.org/blender/blender/pulls/107357
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