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8 Commits

Author SHA1 Message Date
Egor Smirnov
4d6590be3c Optimize ‘hist’ for multi-core CPU (#4529) 
* Initial performance optimizations for xgboost

* remove includes

* revert float->double

* fix for CI

* fix for CI

* fix for CI

* fix for CI

* fix for CI

* fix for CI

* fix for CI

* fix for CI

* fix for CI

* fix for CI

* Check existence of _mm_prefetch and __builtin_prefetch

* Fix lint

* optimizations for CPU

* appling comments in review

* add some comments, code refactoring

* fixing issues in CI

* adding runtime checks

* remove 1 extra check

* remove extra checks in BuildHist

* remove checks

* add debug info

* added debug info

* revert changes

* added comments

* Apply suggestions from code review

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

* apply review comments

* Remove unused function CreateNewNodes()

* Add descriptive comment on node_idx variable in QuantileHistMaker::Builder::BuildHistsBatch()
 2019-06-27 11:33:49 -07:00
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
Philip Hyunsu Cho
549c8d6ae9
Prevent empty quantiles in fast hist (#4155) 
* Prevent empty quantiles

* Revise and improve unit tests for quantile hist

* Remove unnecessary comment

* Add #2943 as a test case

* Skip test if no sklearn

* Revise misleading comments
 2019-02-17 16:01:07 -08:00
Nan Zhu
c18a3660fa
Separate Depthwidth and Lossguide growing policy in fast histogram (#4102) 
* add back train method but mark as deprecated

* add back train method but mark as deprecated

* add back train method but mark as deprecated

* fix scalastyle error

* fix scalastyle error

* fix scalastyle error

* fix scalastyle error

* init

* more changes

* temp

* update

* udpate rabit

* change the histogram

* update kfactor

* sync per node stats

* temp

* update

* final

* code clean

* update rabit

* more cleanup

* fix errors

* fix failed tests

* enforce c++11

* broadcast subsampled feature correctly

* init col

* temp

* col sampling

* fix histmastrix init

* fix col sampling

* remove cout

* fix out of bound access

* fix core dump

remove core dump file

* disbale test temporarily

* update

* add fid

* print perf data

* update

* revert some changes

* temp

* temp

* pass all tests

* bring back some tests

* recover some changes

* fix lint issue

* enable monotone and interaction constraints

* don't specify default for monotone and interactions

* recover column init part

* more recovery

* fix core dumps

* code clean

* revert some changes

* fix test compilation issue

* fix lint issue

* resolve compilation issue

* fix issues of lint caused by rebase

* fix stylistic changes and change variable names

* use regtree internal function

* modularize depth width

* address the comments

* fix failed tests

* wrap perf timers with class

* fix lint

* fix num_leaves count

* fix indention

* Update src/tree/updater_quantile_hist.cc

Co-Authored-By: CodingCat <CodingCat@users.noreply.github.com>

* Update src/tree/updater_quantile_hist.h

Co-Authored-By: CodingCat <CodingCat@users.noreply.github.com>

* Update src/tree/updater_quantile_hist.cc

Co-Authored-By: CodingCat <CodingCat@users.noreply.github.com>

* Update src/tree/updater_quantile_hist.cc

Co-Authored-By: CodingCat <CodingCat@users.noreply.github.com>

* Update src/tree/updater_quantile_hist.cc

Co-Authored-By: CodingCat <CodingCat@users.noreply.github.com>

* Update src/tree/updater_quantile_hist.h

Co-Authored-By: CodingCat <CodingCat@users.noreply.github.com>

* merge

* fix compilation
 2019-02-13 12:56:19 -08:00
Jiaming Yuan
017c97b8ce
Clean up training code. (#3825) 
* Remove GHistRow, GHistEntry, GHistIndexRow.
* Remove kSimpleStats.
* Remove CheckInfo, SetLeafVec in GradStats and in SKStats.
* Clean up the GradStats.
* Cleanup calcgain.
* Move LossChangeMissing out of common.
* Remove [] operator from GHistIndexBlock.
 2019-02-07 14:22:13 +08:00
Rory Mitchell
84c99f86f4
Combine TreeModel and RegTree (#3995) 2018-12-19 12:16:40 +13:00
Rory Mitchell
3d81c48d3f
Remove leaf vector, add tree serialisation test, fix Windows tests (#3989) 2018-12-13 10:28:38 +13:00
Jiaming Yuan
19ee0a3579
Refactor fast-hist, add tests for some updaters. (#3836) 
Add unittest for prune.

Add unittest for refresh.

Refactor fast_hist.

* Remove fast_hist_param.
* Rename to quantile_hist.

Add unittests for QuantileHist.

* Refactor QuantileHist into .h and .cc file.
* Remove sync.h.
* Remove MGPU_mock test.

Rename fast hist method to quantile hist.
 2018-11-07 21:15:07 +13:00