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Author SHA1 Message Date
Xu Xiao 277e25797b [jvm-packages] refine numAliveCores method of SparkParallelismTracker (#4858) 
* refine numAliveCores

* refine XGBoostToMLlibParams

* fix waitForCondition

* resolve conflicts

* Update SparkParallelismTracker.scala
 2019-09-19 15:18:29 -07:00
Xu Xiao c89bcc4de5 [blocking] fix parallel eval_split of hist updater (#4851) 
* Don't call rabit functions inside parallel loop.
 2019-09-13 09:35:03 -04:00
Xu Xiao ef9af33a00 [HOTFIX] distributed training with hist method (#4716) 
* add parallel test for hist.EvalualiteSplit

* update test_openmp.py

* update test_openmp.py

* update test_openmp.py

* update test_openmp.py

* update test_openmp.py

* fix OMP schedule policy

* fix clang-tidy

* add logging: total_num_bins

* fix

* fix

* test

* replace guided OPENMP policy with static in updater_quantile_hist.cc
 2019-08-13 11:27:29 -07:00
Xu Xiao 97eece6ea0 [python package] include dmlc-tracker into xgb python pkg (#4731) 2019-08-05 12:21:07 -04:00
Xu Xiao cd1526d3b1 fix auc error in distributed mode caused by unbalanced dataset (#4645) 2019-07-08 16:01:52 +08:00
Xu Xiao 4c74336384 Use feature interaction constraints to narrow search space for split candidates (#4341) 
* Use feature interaction constraints to narrow search space for split candidates.

* fix clang-tidy broken at updater_quantile_hist.cc:535:3

* make const

* fix

* try to fix exception thrown in java_test

* fix suspected mistake which cause EvaluateSplit error

* try fix

* Fix bug: feature ID and node ID swapped in argument

* Rename CheckValidation() to CheckFeatureConstraint() for clarity

* Do not create temporary vector validFeatures, to enable parallelism
 2019-04-30 20:59:58 -07:00
Xu Xiao 797ba8e72d [jvm-packages] fix compatibility problem of spark version (#4411) 
* fix compatibility problem of spark version on MissingValueHandlingSuite.scala

* call setHandleInvalid by runtime reflection
 2019-04-30 09:13:05 -07:00
Xu Xiao 2d875ec019 [BLOCKING][jvm-packages] fix non-deterministic order within a partition (in the case of an upstream shuffle) on prediction (#4388) 
* [jvm-packages][hot-fix] fix column mismatch caused by zip actions at XGBooostModel.transformInternal

* apply minibatch in prediction

* an iterator-compatible minibatch prediction

* regressor impl

* continuous working on mini-batch prediction of xgboost4j-spark

* Update Booster.java
 2019-04-26 11:09:20 -07:00
Xu Xiao 3078b5944d add OpenMP option in CMakeLists.txt (#4339) 2019-04-10 17:35:06 -07:00
Xu Xiao 60a9af567c [jvm-packages] Add methods operating attributes of booster in jvm package, which follow API design in python package. (#4336) 2019-04-08 11:00:35 -07:00