13 Commits

Author SHA1 Message Date
Jiaming Yuan
ee70a2380b
Unify CPU hist sketching (#5880) 2020-08-12 01:33:06 +08:00
Jiaming Yuan
e471056ec4
Fix sketch size calculation. (#5898) 2020-07-17 08:33:16 +08:00
Jiaming Yuan
dd445af56e
Cleanup on device sketch. (#5874)
* Remove old functions.

* Merge weighted and un-weighted into a common interface.
2020-07-14 10:15:54 +08:00
Rong Ou
06320729d4
fix device sketch with weights in external memory mode (#5870) 2020-07-08 08:44:07 +08:00
Jiaming Yuan
048d969be4
Implement GK sketching on GPU. (#5846)
* Implement GK sketching on GPU.
* Strong tests on quantile building.
* Handle sparse dataset by binary searching the column index.
* Hypothesis test on dask.
2020-07-07 12:16:21 +08:00
Jiaming Yuan
38ee514787
Implement fast number serialization routines. (#5772)
* Implement ryu algorithm.
* Implement integer printing.
* Full coverage roundtrip test.
2020-06-17 12:39:23 +08:00
Jiaming Yuan
3028fa6b42
Implement weighted sketching for adapter. (#5760)
* Bounded memory tests.
* Fixed memory estimation.
2020-06-12 06:20:39 +08:00
Jiaming Yuan
e533908922
Expose device sketching in header. (#5747) 2020-06-02 13:02:53 +08:00
Jiaming Yuan
29a4cfe400
Group aware GPU sketching. (#5551)
* Group aware GPU weighted sketching.

* Distribute group weights to each data point.
* Relax the test.
* Validate input meta info.
* Fix metainfo copy ctor.
2020-04-20 17:18:52 +08:00
Jiaming Yuan
0012f2ef93
Upgrade clang-tidy on CI. (#5469)
* Correct all clang-tidy errors.
* Upgrade clang-tidy to 10 on CI.

Co-authored-by: Hyunsu Cho <chohyu01@cs.washington.edu>
2020-04-05 04:42:29 +08:00
Rory Mitchell
13b10a6370
Device dmatrix (#5420) 2020-03-28 14:42:21 +13:00
Rory Mitchell
b745b7acce
Fix memory usage of device sketching (#5407) 2020-03-14 13:43:24 +13:00
Rory Mitchell
a38e7bd19c
Sketching from adapters (#5365)
* Sketching from adapters

* Add weights test
2020-03-07 21:07:58 +13:00