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2 Commits

Author SHA1 Message Date
Jiaming Yuan
9700776597 Cudf support. (#4745) 
* Initial support for cudf integration.

* Add two C APIs for consuming data and metainfo.

* Add CopyFrom for SimpleCSRSource as a generic function to consume the data.

* Add FromDeviceColumnar for consuming device data.

* Add new MetaInfo::SetInfo for consuming label, weight etc.
 2019-08-19 16:51:40 +12:00
Jiaming Yuan
ae05948e32
Feature interaction for GPU Hist. (#4534) 
* GPU hist Interaction Constraints.
* Duplicate related parameters.
* Add tests for CPU interaction constraint.
* Add better error reporting.
* Thorough tests.
 2019-06-19 18:11:02 +08:00