Skip building index when loading a tree from a file #171
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Note - I haven't used nanoflann a lot, so I'm very open to change the name of the enum or its values |
While benchmarking, it turned out that constructing a tree immediately built its index. Calling loadIndex() afterwards did practically nothing. This commit adds an enum to allow passing additional flags like `SkipInitialBuildIndex` to allow loading a tree without the initial index build. Greatly reduces startup time for large prebuilt trees.
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Couldn't agree more. Hopefully this fix can be merged soon! |
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Thanks! |
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While benchmarking, it turned out that constructing a tree immediately
built its index. Calling loadIndex() afterwards did practically nothing.
This commit adds an enum to allow passing additional flags like
SkipInitialBuildIndexto allow loading a tree without the initialindex build. Greatly reduces startup time for large prebuilt trees.