Jiaming Yuan c8c7b9649c
Fix and optimize logger (#4002)
* Fix logging switch statement.

* Remove debug_verbose_ in AllReducer.

* Don't construct the stream when not needed.

* Make default constructor deleted.

* Remove redundant IsVerbose.
2018-12-17 19:23:05 +08:00
..
2018-10-01 01:29:03 +13:00
2018-12-17 19:23:05 +08:00
2016-12-04 11:25:57 -08:00