Comments (1)
I can observe this to some extent.
My initial investigation revealed that most time is spend on copying data (the survival function for each terminal node) rather than traversing the tree.
which happens at https://github.com/scikit-learn/scikit-learn/blob/9aaed498795f68e5956ea762fef9c440ca9eb239/sklearn/tree/_tree.pyx#L779-L780
Therefore, I assume parallelization is not as effective.
from scikit-survival.
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from scikit-survival.