1. 31 Aug, 2022 1 commit
    • shiyu1994's avatar
      [CUDA] Add binary objective for cuda_exp (#5425) · 2b8fe8b4
      shiyu1994 authored
      * add binary objective for cuda_exp
      
      * include <string> and <vector>
      
      * exchange include ordering
      
      * fix length of score to copy in evaluation
      
      * fix EvalOneMetric
      
      * fix cuda binary objective and prediction when boosting on gpu
      
      * Add white space
      
      * fix BoostFromScore for CUDABinaryLogloss
      
      update log in test_register_logger
      
      * include <algorithm>
      
      * simplify shared memory buffer
      2b8fe8b4
  2. 29 Aug, 2022 1 commit
  3. 10 Aug, 2022 1 commit
    • Scott Votaw's avatar
      feature: Add true streaming APIs to reduce client-side memory usage (#5299) · 0a5c5838
      Scott Votaw authored
      * Extract streaming to own PR
      
      * small merge fixes and cleanup
      
      * linting fixes
      
      * fix cast warning
      
      * Fix accidental deletion during branch transfer
      
      * responded to initial triage comments
      
      * Added more tests to use create-from-samples APIs
      
      * added mutex and adjusted nclasses logic
      
      * Fix thread-safety for pushing data to sparse bins through Push APIs
      
      * lint and doc fixes
      
      * Small SWIG fix
      
      * nit fix
      
      * Responded to StrikerRUS comments
      
      * fix breaking change after merge with master
      
      * Extract streaming to own PR
      
      * small merge fixes and cleanup
      
      * Fix accidental deletion during branch transfer
      
      * responded to initial triage comments
      
      * Added more tests to use create-from-samples APIs
      
      * Fix rstcheck call in ci
      
      * remove TODOs
      
      * Extract streaming to own PR
      
      * small merge fixes and cleanup
      
      * Fix accidental deletion during branch transfer
      
      * responded to initial triage comments
      
      * Added more tests to use create-from-samples APIs
      
      * Small SWIG fix
      
      * remove ci change
      
      * responded to shiyu1994 comments
      
      * responded to StrikerRUS comments
      
      * Fixes from StrikerRUS comments
      0a5c5838
  4. 30 Jul, 2022 1 commit
  5. 29 Jul, 2022 1 commit
  6. 21 Jul, 2022 1 commit
  7. 27 Jun, 2022 1 commit
    • José Morales's avatar
      [python-package] check feature names in predict with dataframe (fixes #812) (#4909) · bdb02e05
      José Morales authored
      
      
      * check feature names and order in predict with dataframe
      
      * slice df in predict to remove the target
      
      * scramble features
      
      * handle int column names
      
      * only change column order when needed
      
      * include validate_features param in booster and sklearn estimators
      
      * document validate_features argument
      
      * use all_close in preds checks and check for assertion error to compare different arrays
      
      * perform remapping and checks in cpp
      
      * remove extra logs
      
      * fixes
      
      * revert cpp
      
      * proposal
      
      * remove extra arg
      
      * lint
      
      * restore _data_from_pandas arguments
      
      * Apply suggestions from code review
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * move data conversion to Predictor.predict
      
      * use Vector2Ptr
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      bdb02e05
  8. 29 May, 2022 1 commit
  9. 22 May, 2022 1 commit
  10. 15 Apr, 2022 1 commit
  11. 10 Apr, 2022 1 commit
  12. 27 Mar, 2022 1 commit
    • shiyu1994's avatar
      Log warnings for number of bins of categorical features (#4448) · d163c2c1
      shiyu1994 authored
      * log warnings when number of bins of categorical features exceeds the configured maximum number of bins
      
      * log only one warning information for all categorical features
      
      * Add #include <memory> for unique_ptr
      
      * remove useless param description
      d163c2c1
  13. 26 Mar, 2022 1 commit
  14. 23 Mar, 2022 1 commit
    • shiyu1994's avatar
      [CUDA] New CUDA version Part 1 (#4630) · 6b56a90c
      shiyu1994 authored
      
      
      * new cuda framework
      
      * add histogram construction kernel
      
      * before removing multi-gpu
      
      * new cuda framework
      
      * tree learner cuda kernels
      
      * single tree framework ready
      
      * single tree training framework
      
      * remove comments
      
      * boosting with cuda
      
      * optimize for best split find
      
      * data split
      
      * move boosting into cuda
      
      * parallel synchronize best split point
      
      * merge split data kernels
      
      * before code refactor
      
      * use tasks instead of features as units for split finding
      
      * refactor cuda best split finder
      
      * fix configuration error with small leaves in data split
      
      * skip histogram construction of too small leaf
      
      * skip split finding of invalid leaves
      
      stop when no leaf to split
      
      * support row wise with CUDA
      
      * copy data for split by column
      
      * copy data from host to CPU by column for data partition
      
      * add synchronize best splits for one leaf from multiple blocks
      
      * partition dense row data
      
      * fix sync best split from task blocks
      
      * add support for sparse row wise for CUDA
      
      * remove useless code
      
      * add l2 regression objective
      
      * sparse multi value bin enabled for CUDA
      
      * fix cuda ranking objective
      
      * support for number of items <= 2048 per query
      
      * speedup histogram construction by interleaving global memory access
      
      * split optimization
      
      * add cuda tree predictor
      
      * remove comma
      
      * refactor objective and score updater
      
      * before use struct
      
      * use structure for split information
      
      * use structure for leaf splits
      
      * return CUDASplitInfo directly after finding best split
      
      * split with CUDATree directly
      
      * use cuda row data in cuda histogram constructor
      
      * clean src/treelearner/cuda
      
      * gather shared cuda device functions
      
      * put shared CUDA functions into header file
      
      * change smaller leaf from <= back to < for consistent result with CPU
      
      * add tree predictor
      
      * remove useless cuda_tree_predictor
      
      * predict on CUDA with pipeline
      
      * add global sort algorithms
      
      * add global argsort for queries with many items in ranking tasks
      
      * remove limitation of maximum number of items per query in ranking
      
      * add cuda metrics
      
      * fix CUDA AUC
      
      * remove debug code
      
      * add regression metrics
      
      * remove useless file
      
      * don't use mask in shuffle reduce
      
      * add more regression objectives
      
      * fix cuda mape loss
      
      add cuda xentropy loss
      
      * use template for different versions of BitonicArgSortDevice
      
      * add multiclass metrics
      
      * add ndcg metric
      
      * fix cross entropy objectives and metrics
      
      * fix cross entropy and ndcg metrics
      
      * add support for customized objective in CUDA
      
      * complete multiclass ova for CUDA
      
      * separate cuda tree learner
      
      * use shuffle based prefix sum
      
      * clean up cuda_algorithms.hpp
      
      * add copy subset on CUDA
      
      * add bagging for CUDA
      
      * clean up code
      
      * copy gradients from host to device
      
      * support bagging without using subset
      
      * add support of bagging with subset for CUDAColumnData
      
      * add support of bagging with subset for dense CUDARowData
      
      * refactor copy sparse subrow
      
      * use copy subset for column subset
      
      * add reset train data and reset config for CUDA tree learner
      
      add deconstructors for cuda tree learner
      
      * add USE_CUDA ifdef to cuda tree learner files
      
      * check that dataset doesn't contain CUDA tree learner
      
      * remove printf debug information
      
      * use full new cuda tree learner only when using single GPU
      
      * disable all CUDA code when using CPU version
      
      * recover main.cpp
      
      * add cpp files for multi value bins
      
      * update LightGBM.vcxproj
      
      * update LightGBM.vcxproj
      
      fix lint errors
      
      * fix lint errors
      
      * fix lint errors
      
      * update Makevars
      
      fix lint errors
      
      * fix the case with 0 feature and 0 bin
      
      fix split finding for invalid leaves
      
      create cuda column data when loaded from bin file
      
      * fix lint errors
      
      hide GetRowWiseData when cuda is not used
      
      * recover default device type to cpu
      
      * fix na_as_missing case
      
      fix cuda feature meta information
      
      * fix UpdateDataIndexToLeafIndexKernel
      
      * create CUDA trees when needed in CUDADataPartition::UpdateTrainScore
      
      * add refit by tree for cuda tree learner
      
      * fix test_refit in test_engine.py
      
      * create set of large bin partitions in CUDARowData
      
      * add histogram construction for columns with a large number of bins
      
      * add find best split for categorical features on CUDA
      
      * add bitvectors for categorical split
      
      * cuda data partition split for categorical features
      
      * fix split tree with categorical feature
      
      * fix categorical feature splits
      
      * refactor cuda_data_partition.cu with multi-level templates
      
      * refactor CUDABestSplitFinder by grouping task information into struct
      
      * pre-allocate space for vector split_find_tasks_ in CUDABestSplitFinder
      
      * fix misuse of reference
      
      * remove useless changes
      
      * add support for path smoothing
      
      * virtual destructor for LightGBM::Tree
      
      * fix overlapped cat threshold in best split infos
      
      * reset histogram pointers in data partition and spllit finder in ResetConfig
      
      * comment useless parameter
      
      * fix reverse case when na is missing and default bin is zero
      
      * fix mfb_is_na and mfb_is_zero and is_single_feature_column
      
      * remove debug log
      
      * fix cat_l2 when one-hot
      
      fix gradient copy when data subset is used
      
      * switch shared histogram size according to CUDA version
      
      * gpu_use_dp=true when cuda test
      
      * revert modification in config.h
      
      * fix setting of gpu_use_dp=true in .ci/test.sh
      
      * fix linter errors
      
      * fix linter error
      
      remove useless change
      
      * recover main.cpp
      
      * separate cuda_exp and cuda
      
      * fix ci bash scripts
      
      add description for cuda_exp
      
      * add USE_CUDA_EXP flag
      
      * switch off USE_CUDA_EXP
      
      * revert changes in python-packages
      
      * more careful separation for USE_CUDA_EXP
      
      * fix CUDARowData::DivideCUDAFeatureGroups
      
      fix set fields for cuda metadata
      
      * revert config.h
      
      * fix test settings for cuda experimental version
      
      * skip some tests due to unsupported features or differences in implementation details for CUDA Experimental version
      
      * fix lint issue by adding a blank line
      
      * fix lint errors by resorting imports
      
      * fix lint errors by resorting imports
      
      * fix lint errors by resorting imports
      
      * merge cuda.yml and cuda_exp.yml
      
      * update python version in cuda.yml
      
      * remove cuda_exp.yml
      
      * remove unrelated changes
      
      * fix compilation warnings
      
      fix cuda exp ci task name
      
      * recover task
      
      * use multi-level template in histogram construction
      
      check split only in debug mode
      
      * ignore NVCC related lines in parameter_generator.py
      
      * update job name for CUDA tests
      
      * apply review suggestions
      
      * Update .github/workflows/cuda.yml
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * Update .github/workflows/cuda.yml
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * update header
      
      * remove useless TODOs
      
      * remove [TODO(shiyu1994): constrain the split with min_data_in_group] and record in #5062
      
      * #include <LightGBM/utils/log.h> for USE_CUDA_EXP only
      
      * fix include order
      
      * fix include order
      
      * remove extra space
      
      * address review comments
      
      * add warning when cuda_exp is used together with deterministic
      
      * add comment about gpu_use_dp in .ci/test.sh
      
      * revert changing order of included headers
      Co-authored-by: default avatarYu Shi <shiyu1994@qq.com>
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      6b56a90c
  15. 15 Mar, 2022 1 commit
  16. 24 Feb, 2022 1 commit
    • david-cortes's avatar
      Correct documentation for sparse predictions (#4979) · 7e478047
      david-cortes authored
      * Correct documentation for sparse predictions
      
      The documentation says that the parameter `nindptr` for `LGBM_BoosterPredictSparseOutput` should be the number of rows plus one, but this is incorrect when the input type is CSC. This PR fixes it.
      
      * Update c_api.h
      
      * Update c_api.h
      
      * Update c_api.h
      7e478047
  17. 23 Feb, 2022 1 commit
  18. 20 Feb, 2022 1 commit
  19. 14 Feb, 2022 1 commit
  20. 30 Dec, 2021 1 commit
    • Yaqub Alwan's avatar
      [python] raise an informative error instead of segfaulting when custom... · af5b40e1
      Yaqub Alwan authored
      
      [python] raise an informative error instead of segfaulting when custom objective produces incorrect output (#4815)
      
      * fix for bad grads causing segfault
      
      * adjust checking criteria to properly reflect reality of multi-class classifiers
      
      * fix styling
      
      * Line break before operator
      
      * Update python-package/lightgbm/basic.py
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * Update python-package/lightgbm/basic.py
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * add a note to the C-API docs
      
      * rearrange text s;ightly
      
      * add some tests to python package
      
      * Update include/LightGBM/c_api.h
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * PR comments
      
      * match argument is a regex and our expression has brackets ..
      
      * rework tests
      
      * isorting imports
      
      * updating test to relfect that the python APi does not take pres/labels as a fobj function
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      af5b40e1
  21. 03 Dec, 2021 1 commit
  22. 29 Nov, 2021 1 commit
  23. 16 Nov, 2021 1 commit
  24. 15 Nov, 2021 1 commit
    • Drew Miller's avatar
      [c_api] Improve ANSI compatibility by avoiding <stdbool.h> (#4697) · bfb346c1
      Drew Miller authored
      * [c_api] Improve ANSI compatibility by avoiding <stdbool.h>
      
      * fixes in response to CI linting
      
      * inline NOLINT instead of separate test
      
      * moving length declaration to non-ANSI C conditional
      
      * [c_api] Align expected return type in `basic.py` with new c_api type.
      bfb346c1
  25. 11 Nov, 2021 1 commit
  26. 30 Oct, 2021 1 commit
  27. 28 Oct, 2021 1 commit
  28. 25 Oct, 2021 1 commit
  29. 21 Oct, 2021 1 commit
  30. 20 Oct, 2021 1 commit
  31. 05 Oct, 2021 4 commits
  32. 23 Sep, 2021 1 commit
  33. 17 Sep, 2021 1 commit
  34. 20 Aug, 2021 1 commit
  35. 03 Aug, 2021 1 commit
  36. 25 Jul, 2021 1 commit
  37. 21 Jul, 2021 1 commit