3 Commits

Author SHA1 Message Date
Jiaming Yuan
7ee7a95b84
Use upstream URI in distributed quantile tests. (#7129)
* Use upstream URI in distributed quantile tests.

* Fix test cv `PytestAssertRewriteWarning`.
2021-07-27 14:09:49 +08:00
Jiaming Yuan
29b7fea572
Optimize cpu sketch allreduce for sparse data. (#6009)
* Bypass RABIT serialization reducer and use custom allgather based merging.
2020-08-19 10:03:45 +08:00
Jiaming Yuan
ee70a2380b
Unify CPU hist sketching (#5880) 2020-08-12 01:33:06 +08:00