4 Commits

Author	SHA1	Message	Date
Rory Mitchell	b745b7acce	Fix memory usage of device sketching (#5407)	2020-03-14 13:43:24 +13:00
Rory Mitchell	3ad4333b0e	Partial rewrite EllpackPage (#5352)	2020-03-11 10:15:53 +13:00
sriramch	b81f8cbbc0	Move segment sorter to common (#5378) ... - move segment sorter to common - this is the first of a handful of pr's that splits the larger pr #5326 - it moves this facility to common (from ranking objective class), so that it can be used for metric computation - it also wraps all the bald device pointers into span.	2020-02-29 15:42:07 +08:00
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