Rong Ou e4b74c4d22
Gradient based sampling for GPU Hist (#5093)
* Implement gradient based sampling for GPU Hist tree method.
* Add samplers and handle compacted page in GPU Hist.
2020-02-04 10:31:27 +08:00
..
2019-12-11 11:20:40 +08:00
2020-01-31 14:52:15 +08:00
2019-12-15 17:31:53 +08:00
2020-01-07 11:19:38 +08:00
2019-12-30 02:18:45 +08:00