4 Commits

Author SHA1 Message Date
Jiaming Yuan
4942da64ae
Refactor tests with data generator. (#5439) 2020-03-27 06:44:44 +08:00
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
Jiaming Yuan
8d06878bf9
Deterministic GPU histogram. (#5361)
* Use pre-rounding based method to obtain reproducible floating point
  summation.
* GPU Hist for regression and classification are bit-by-bit reproducible.
* Add doc.
* Switch to thrust reduce for `node_sum_gradient`.
2020-03-04 15:13:28 +08:00