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Indeed, and up to 4-8 threads/CPU cores it can have a very good benefit, though based on experience with xgboost/lightgbm the scaling beyond 8 cores is difficult/with very much diminishing returns for dataset sizes commonly found in practice (100K-1M records):
(the panels are for various dataset sizes, 0.1M (million) rows, 1M and 10M)
Also there is an actual slow down on systems with multi-CPU sockets (even for super-large datasets) for example xgboost and lightgbm are not "NUMA optimized":
The
node::split_information()
should be easy to paralellize.The text was updated successfully, but these errors were encountered: