Use Span in gpu coordinate. (#4029)

* Use Span in gpu coordinate. * Use Span in device code. * Fix shard size calculation. - Use lower_bound instead of upper_bound. * Check empty devices.
2019-01-02 11:32:43 +08:00
parent f368d0de2b
commit 1f022929f4
3 changed files with 62 additions and 36 deletions
--- a/tests/cpp/linear/test_linear.cc
+++ b/tests/cpp/linear/test_linear.cc
@@ -1,4 +1,6 @@
-// Copyright by Contributors
+/*!
+ * Copyright 2018 by Contributors
+ */
 #include <xgboost/linear_updater.h>
 #include "../helpers.h"
 #include "xgboost/gbm.h"