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Author SHA1 Message Date
Jiaming Yuan ee287808fb Lazy initialization of device vector. (#5173) 
* Lazy initialization of device vector.

* Fix #5162.

* Disable copy constructor of HostDeviceVector.  Prevents implicit copying.

* Fix CPU build.

* Bring back move assignment operator.
 2020-01-07 11:23:05 +08:00
Jiaming Yuan 77cfbff5a7 Fix span constructor. (#5166) 
* Make sure copy constructor is used.
 2020-01-07 11:19:38 +08:00
Jiaming Yuan ebc86a3afa Disable parameter validation for Scikit-Learn interface. (#5167) 
* Disable parameter validation for now.

Scikit-Learn passes all parameters down to XGBoost, whether they are used or
not.

* Add option `validate_parameters`.
 2020-01-07 11:17:31 +08:00
Jiaming Yuan 2b9a62a806 Throw error when not compiled with NCCL. (#5170) 2020-01-07 11:15:19 +08:00
Tim Gates 2d95b9a4b6 Fix simple typo: utilty -> utility (#5182) 2020-01-04 15:28:26 +08:00
Egor Smirnov 7b17e76c5b Optimized EvaluateSplut function (#5138) 
* Add block based threading utilities.
 2019-12-31 18:18:42 +08:00
Jiaming Yuan 04db125699 Quick fix for memory leak in CPU Hist. (#5153) 
Closes https://github.com/dmlc/xgboost/issues/3579 .

* Don't use map.
 2019-12-31 14:05:53 +08:00
K.O 018df6004e Fix feature_name crated from int64index dataframe. (#5081) 2019-12-30 12:26:22 +08:00
Jiaming Yuan 139ccc9902 Fix num_roots to be 1. (#5165) 2019-12-30 02:18:45 +08:00
Jiaming Yuan d55489af14 Don't use modernize-use-trailing-return-type. (#5169) 2019-12-29 20:18:23 +08:00
Jiaming Yuan 6848d0426f Clean up Python 2 compatibility code. (#5161) 2019-12-27 18:34:53 +08:00
Jiaming Yuan 61286c6e8f Fix wrapping GPU ID and prevent data copying. (#5160) 
* Removed some data copying.

* Make sure gpu_id is valid before any configuration is carried out.
 2019-12-27 16:51:08 +08:00
sriramch ee81ba8e1f implementation of map ranking algorithm on gpu (#5129) 
* - implementation of map ranking algorithm
  - also effected necessary suggestions mentioned in the earlier ranking pr's
  - made some performance improvements to the ndcg algo as well
 2019-12-27 12:05:37 +13:00
Philip Hyunsu Cho 9b0af6e882 Enable OpenMP with Apple Clang (Mac default compiler) (#5146) 
* Add OpenMP as CMake target

* Require CMake 3.12, to allow linking OpenMP target to objxgboost

* Specify OpenMP compiler flag for CUDA host compiler

* Require CMake 3.16+ if the OS is Mac OSX

* Use AppleClang in Mac tests.

* Update dmlc-core
 2019-12-26 16:53:12 +08:00
Jiaming Yuan f3d7877802 Parameter validation (#5157) 
* Unused code.

* Split up old colmaker parameters from train param.

* Fix dart.

* Better name.
 2019-12-26 11:59:05 +08:00
Jiaming Yuan ced3660f60 Tests for empty dmatrix. (#5159) 2019-12-26 11:51:54 +08:00
Jiaming Yuan 298ebe68ac [Breaking] Remove learning_rates in Python. (#5155) 
* Remove `learning_rates`.

It's been deprecated since we have callback.

* Set `before_iteration` of `reset_learning_rate` to False to preserve 
  the initial learning rate, and comply to the term "reset".

Closes #4709.

* Tests for various `tree_method`.
 2019-12-24 14:25:48 +08:00
Jiaming Yuan 73b1bd2789 Update demo for ranking. (#5154) 2019-12-24 13:39:07 +08:00
Jiaming Yuan 0202e04a8e Add base margin to sklearn interface. (#5151) 2019-12-24 09:43:41 +08:00
Jiaming Yuan 1d0ca49761 Example JSON model parser and Schema. (#5137) 2019-12-23 19:47:35 +08:00
Jiaming Yuan a4b929385e Note for DaskDMatrix. (#5144) 
* Brief introduction to `DaskDMatrix`.

* Add xgboost.dask.train to API doc
 2019-12-23 18:55:32 +08:00
Jiaming Yuan c8bdb652c4 Add check for length of weights. (#4872) 2019-12-21 11:30:58 +08:00
Rory Mitchell 3d04a8cc97 Use dynamic types for array interface columns instead of templates (#5108) 2019-12-21 16:08:10 +13:00
Jiaming Yuan b915788708 Remove benchmark code in GPU test. (#5141) 
* Update Jenkins script.
 2019-12-21 11:00:21 +08:00
Philip Hyunsu Cho 74f545bde3 [CI] Repair download URL for Maven 3.6.1 (#5139) 2019-12-20 10:07:40 +08:00
Jiaming Yuan e521bb6f83 Added new train_folds parameter (#5114) 
https://stackoverflow.com/questions/32433458/how-to-specify-train-and-test-indices-for-xgb-cv-in-r-package-xgboost/51412073
 2019-12-19 15:02:19 +01:00
Philip Hyunsu Cho 37fdfa03f8 [jvm-packages] Comply with scala style convention + fix broken unit test (#5134) 
* Fix scala style check

* fix messed unit test
 2019-12-18 17:26:58 -08:00
cpfarrell bc9d88259f [jvm-packages] Allow for bypassing spark missing value check (#4805) 
* Allow for bypassing spark missing value check

* Update documentation for dealing with missing values in spark xgboost
 2019-12-18 10:48:20 -08:00
Jiaming Yuan 27b3646d29 Tests and documents for new JSON routines. (#5120) 2019-12-18 08:44:27 +08:00
Jiaming Yuan 63ffd2f686 Check against R seed. (#5125) 
* Handle it in R instead.
 2019-12-17 19:14:59 +08:00
Jiaming Yuan 2fdb34ed2e Fix metric name loading. (#5122) 2019-12-16 10:14:02 +08:00
Jiaming Yuan 3136185bc5 JSON configuration IO. (#5111) 
* Add saving/loading JSON configuration.
* Implement Python pickle interface with new IO routines.
* Basic tests for training continuation.
 2019-12-15 17:31:53 +08:00
Rory Mitchell 5aa007d7b2 Fix visual studio output library directories (#5119) 2019-12-15 15:08:20 +13:00
Jiaming Yuan ad4a1c732c Small refinements for JSON model. (#5112) 
* Naming consistency.

* Remove duplicated test.
 2019-12-11 19:49:01 +08:00
Jiaming Yuan 208ab3b1ff Model IO in JSON. (#5110) 2019-12-11 11:20:40 +08:00
Rory Mitchell c7cc657a4d Use adapters for SparsePageDMatrix (#5092) 2019-12-11 15:59:23 +13:00
Jiaming Yuan e089e16e3d Pass pointer to model parameters. (#5101) 
* Pass pointer to model parameters.

This PR de-duplicates most of the model parameters except the one in
`tree_model.h`.  One difficulty is `base_score` is a model property but can be
changed at runtime by objective function.  Hence when performing model IO, we
need to save the one provided by users, instead of the one transformed by
objective.  Here we created an immutable version of `LearnerModelParam` that
represents the value of model parameter after configuration.
 2019-12-10 12:11:22 +08:00
Rory Mitchell 979f74d51a Group builder modified for incremental building (#5098) 2019-12-10 14:33:56 +13:00
Jiaming Yuan 1cb6bcc382 Remove dead code in colmaker. (#5105) 2019-12-10 09:32:37 +08:00
Egor Smirnov b1789b0346 added tracking execution time for UpdatePredictionCache function (#5107) 2019-12-10 01:32:56 +08:00
Jiaming Yuan 38763aa4fa Update document for tree_method. [skip ci] (#5106) 2019-12-09 22:55:00 +08:00
Jiaming Yuan 608ebbe444 Fix GPU ID and prediction cache from pickle (#5086) 
* Hack for saving GPU ID.

* Declare prediction cache on GBTree.

* Add a simple test.

* Add `auto` option for GPU Predictor.
 2019-12-07 16:02:06 +08:00
Jiaming Yuan 7ef5b78003 Implement JSON IO for updaters (#5094) 
* Implement JSON IO for updaters.

* Remove parameters in split evaluator.
 2019-12-07 00:24:00 +08:00
Jiaming Yuan 2dcb62ddfb Add IO utilities. (#5091) 
* Add fixed size stream for reading model stream.
* Add file extension.
 2019-12-05 22:15:34 +08:00
Jiaming Yuan 64af1ecf86 [Breaking] Remove num roots. (#5059) 2019-12-05 21:58:43 +08:00
Jiaming Yuan f3d8536702 Don't use 0 for "fresh leaf". (#5084) 
* Allow using right child as marker for Exact tree_method.
 2019-12-05 11:50:51 +08:00
Jiaming Yuan df9bdbbcb9 Fix parsing empty vector in parameter. (#5087) 2019-12-05 11:42:01 +08:00
Jiaming Yuan f5e13dcb9b Implement training observer. (#5088) 2019-12-05 11:12:20 +08:00
Jiaming Yuan f0ca53d9ec Convenient methods for JSON integer. (#5089) 
* Fix parsing empty object.
 2019-12-05 11:01:12 +08:00
yage dcde433402 Fix MacOS build error. (#5080) 
* Update build script.
* Update build doc.
 2019-12-04 19:34:35 +08:00