6 Commits

Author SHA1 Message Date
Rong Ou
6edddd7966 Refactor DMatrix to return batches of different page types (#4686)
* Use explicit template parameter for specifying page type.
2019-08-03 15:10:34 -04:00
Jiaming Yuan
d9a47794a5 Fix CPU hist init for sparse dataset. (#4625)
* Fix CPU hist init for sparse dataset.

* Implement sparse histogram cut.
* Allow empty features.

* Fix windows build, don't use sparse in distributed environment.

* Comments.

* Smaller threshold.

* Fix windows omp.

* Fix msvc lambda capture.

* Fix MSVC macro.

* Fix MSVC initialization list.

* Fix MSVC initialization list x2.

* Preserve categorical feature behavior.

* Rename matrix to sparse cuts.
* Reuse UseGroup.
* Check for categorical data when adding cut.

Co-Authored-By: Philip Hyunsu Cho <chohyu01@cs.washington.edu>

* Sanity check.

* Fix comments.

* Fix comment.
2019-07-04 16:27:03 -07:00
Jiaming Yuan
45876bf41b
Fix external memory for get column batches. (#4622)
* Fix external memory for get column batches.

This fixes two bugs:

* Use PushCSC for get column batches.
* Don't remove the created temporary directory before finishing test.

* Check all pages.
2019-06-30 09:56:49 +08:00
sriramch
6e16900711 Fix crash with approx tree method on cpu (#4510) 2019-05-30 01:11:29 +08:00
Jiaming Yuan
7b9043cf71
Fix clang-tidy warnings. (#4149)
* Upgrade gtest for clang-tidy.
* Use CMake to install GTest instead of mv.
* Don't enforce clang-tidy to return 0 due to errors in thrust.
* Add a small test for tidy itself.

* Reformat.
2019-03-13 02:25:51 +08:00
Jiaming Yuan
7ea5675679
Add PushCSC for SparsePage. (#4193)
* Add PushCSC for SparsePage.

* Move Push* definitions into cc file.
* Add std:: prefix to `size_t` make clang++ happy.
* Address monitor count == 0.
2019-03-02 01:58:08 +08:00