[Improve Performance] - Reserve vectors, to save reallocation costs. #1949
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File: [LightGBM//src/io/dataset.cpp] Function: [138:FastFeatureBundling(...)] Reserving vectors where we already know the size to save on reallocation costs. Also removed a variable that was unnecessary.
guolinke
approved these changes
Jan 16, 2019
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File: [LightGBM//src/io/dataset.cpp]
Function: [138:FastFeatureBundling(...)]
Reserving vectors where we already know the size to save on reallocation costs.
Also removed a variable that was unnecessary.