1. 19 Jul, 2020 1 commit
    • Joan Fontanals's avatar
      Change locking strategy of Booster, allow for share and unique locks (#2760) · 1c35c3b9
      Joan Fontanals authored
      
      
      * Add capability to get possible max and min values for a model
      
      * Change implementation to have return value in tree.cpp, change naming to upper and lower bound, move implementation to gdbt.cpp
      
      * Update include/LightGBM/c_api.h
      Co-Authored-By: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * Change iteration to avoid potential overflow, add bindings to R and Python and a basic test
      
      * Adjust test values
      
      * Consider const correctness and multithreading protection
      
      * Put everything possible as const
      
      * Include shared_mutex, for now as unique_lock
      
      * Update test values
      
      * Put everything possible as const
      
      * Include shared_mutex, for now as unique_lock
      
      * Make PredictSingleRow const and share the lock with other reading threads
      
      * Update test values
      
      * Add test to check that model is exactly the same in all platforms
      
      * Try to parse the model to get the expected values
      
      * Try to parse the model to get the expected values
      
      * Fix implementation, num_leaves can be lower than the leaf_value_ size
      
      * Do not check for num_leaves to be smaller than actual size and get back to test with hardcoded value
      
      * Change test order
      
      * Add gpu_use_dp option in test
      
      * Remove helper test method
      
      * Remove TODO
      
      * Add preprocessing option to compile with c++17
      
      * Update python-package/setup.py
      Co-Authored-By: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * Remove unwanted changes
      
      * Move option
      
      * Fix problems introduced by conflict fix
      
      * Avoid switching to c++17 and use yamc mutex library to access shared lock functionality
      
      * Add extra yamc include
      
      * Change header order
      
      * some lint fix
      
      * change include order and remove some extra blank lines
      
      * Further fix lint issues
      
      * Update c_api.cpp
      
      * Further fix lint issues
      
      * Move yamc include files to a new yamc folder
      
      * Use standard unique_lock
      
      * Update windows/LightGBM.vcxproj
      Co-authored-by: default avatarGuolin Ke <guolin.ke@outlook.com>
      
      * Update windows/LightGBM.vcxproj.filters
      Co-authored-by: default avatarGuolin Ke <guolin.ke@outlook.com>
      
      * Update windows/LightGBM.vcxproj.filters
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * Update windows/LightGBM.vcxproj.filters
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * Update windows/LightGBM.vcxproj.filters
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      
      * Fix problems coming from merge conflict resolution
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      Co-authored-by: default avatarjoanfontanals <jfontanals@ntent.com>
      Co-authored-by: default avatarGuolin Ke <guolin.ke@outlook.com>
      1c35c3b9
  2. 01 Apr, 2020 1 commit
  3. 19 Mar, 2020 1 commit
  4. 08 Mar, 2020 1 commit
  5. 06 Mar, 2020 1 commit
  6. 05 Mar, 2020 1 commit
    • Guolin Ke's avatar
      speed up `FindBestThresholdFromHistogram` (#2867) · 77d92b7c
      Guolin Ke authored
      * speed up for const hessian
      
      * rename template
      
      * some refactorings
      
      * refine
      
      * refine
      
      * simplify codes
      
      * fix random in feature histogram
      
      * code refine
      
      * refine
      
      * try fix
      
      * make gcc happy
      
      * remove timer
      
      * rollback some changes
      
      * more templates
      
      * fix a bug
      
      * reduce the cost of timer
      
      * fix gpu
      
      * fix bug
      
      * fix gpu
      77d92b7c
  7. 01 Mar, 2020 1 commit
  8. 26 Feb, 2020 2 commits
  9. 03 Feb, 2020 1 commit
  10. 02 Feb, 2020 1 commit
    • Guolin Ke's avatar
      Support both row-wise and col-wise multi-threading (#2699) · 509c2e50
      Guolin Ke authored
      
      
      * commit
      
      * fix a bug
      
      * fix bug
      
      * reset to track changes
      
      * refine the auto choose logic
      
      * sort the time stats output
      
      * fix include
      
      * change  multi_val_bin_sparse_threshold
      
      * add cmake
      
      * add _mm_malloc and _mm_free for cross platform
      
      * fix cmake bug
      
      * timer for split
      
      * try to fix cmake
      
      * fix tests
      
      * refactor DataPartition::Split
      
      * fix test
      
      * typo
      
      * formating
      
      * Revert "formating"
      
      This reverts commit 5b8de4f7fb9d975ee23701d276a66d40ee6d4222.
      
      * add document
      
      * [R-package] Added tests on use of force_col_wise and force_row_wise in training (#2719)
      
      * naming
      
      * fix gpu code
      
      * Update include/LightGBM/bin.h
      Co-Authored-By: default avatarJames Lamb <jaylamb20@gmail.com>
      
      * Update src/treelearner/ocl/histogram16.cl
      
      * test: swap compilers for CI
      
      * fix omp
      
      * not avx2
      
      * no aligned for feature histogram
      
      * Revert "refactor DataPartition::Split"
      
      This reverts commit 256e6d9641ade966a1f54da1752e998a1149b6f8.
      
      * slightly refactor data partition
      
      * reduce the memory cost
      Co-authored-by: default avatarJames Lamb <jaylamb20@gmail.com>
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      509c2e50
  11. 30 Jan, 2020 1 commit
    • sbruch's avatar
      Implementation of XE_NDCG_MART for the ranking task (#2620) · 86530988
      sbruch authored
      * Implementation of XE_NDCG loss function for ranking.
      
      * Add citation
      
      * Check in example usage for xe_ndcg loss.
      
      * Seed the generator when a seed is provided in the config. Add unit-tests for xe_ndcg
      
      * Update documentation
      
      * Fix indentation
      
      * Address issues raised by reviewers.
      
      * Clean up include statements.
      
      * Fix issues raised by reviewers.
      
      * Regenerate parameters.rst
      
      * Add a note to explain that reproducing xe_ndcg results requires num_threads to be one.
      
      * Introduce objective_seed and use that in rank_xendcg instead of directly using seed
      
      * Change default value of objective_seed
      86530988
  12. 26 Sep, 2019 1 commit
    • Guolin Ke's avatar
      code refactoring: cost effective gradient boosting (#2407) · 70fc45b0
      Guolin Ke authored
      * refactoring
      
      * fix style
      
      * fix style
      
      * Update cost_effective_gradient_boosting.hpp
      
      * Update serial_tree_learner.cpp
      
      * Update serial_tree_learner.h
      
      * fix style
      
      * update vc project
      
      * Update cost_effective_gradient_boosting.hpp
      70fc45b0
  13. 08 May, 2019 1 commit
  14. 20 May, 2018 1 commit
    • Guolin Ke's avatar
      Refine config object (#1381) · dc699574
      Guolin Ke authored
      * [WIP] refine config
      
      * [wip] ready for the auto code generate
      
      * auto generate config codes
      
      * use with to open file
      
      * fix bug
      
      * fix pylint
      
      * fix bug
      
      * fix pylint
      
      * fix bugs.
      
      * tmp for failed test.
      
      * fix tests.
      
      * added nthreads alias
      
      * added new aliases from new config.h
      
      * fixed duplicated alias
      
      * refactored parameter_generator.py
      
      * added new aliases from config.h and removed remaining old names
      
      * fix bugs & some miss alias
      
      * added aliases
      
      * add more descriptions.
      
      * add comment.
      dc699574
  15. 26 Apr, 2018 1 commit
  16. 27 Feb, 2018 1 commit
  17. 12 Jan, 2018 1 commit
  18. 26 Oct, 2017 1 commit
    • wxchan's avatar
      fix protobuf on vs build (#1004) · 2b20569e
      wxchan authored
      * [optional] support protobuf
      
      * fix windows/LightGBM.vcxproj
      
      * add doc
      
      * fix doc
      
      * fix vs support (#2)
      
      * fix vs support
      
      * fix cmake
      2b20569e
  19. 20 Oct, 2017 1 commit
  20. 19 Oct, 2017 1 commit
  21. 29 Aug, 2017 1 commit
  22. 20 Aug, 2017 1 commit
  23. 24 Jul, 2017 1 commit
  24. 05 Jun, 2017 1 commit
    • Guolin Ke's avatar
      Compile R package by custom tool chain. (#584) · f98d75fc
      Guolin Ke authored
      * add R's library file to vs project and cmake.
      
      * support using dll built by vs.
      
      * better search for the library file.
      
      * remove mingw related doc .
      
      * update document.
      
      * Let R handle the library compile.
      
      * try fix build from github.
      
      * Update README.md
      
      * cleaner build.
      
      * fix the install problem in linux.
      
      * Update README.md
      f98d75fc
  25. 29 May, 2017 1 commit
    • cbecker's avatar
      Add prediction early stopping (#550) · 993bbd5f
      cbecker authored
      * Add early stopping for prediction
      
      * Fix GBDT if-else prediction with early stopping
      
      * Small C++ embelishments to early stopping API and functions
      
      * Fix early stopping efficiency issue by creating a singleton for no early stopping
      
      * Python improvements to early stopping API
      
      * Add assertion check for binary and multiclass prediction score length
      
      * Update vcxproj and vcxproj.filters with new early stopping files
      
      * Remove inline from PredictRaw(), the linker was not able to find it otherwise
      993bbd5f
  26. 03 May, 2017 1 commit
  27. 25 Apr, 2017 1 commit
  28. 17 Apr, 2017 1 commit
  29. 16 Apr, 2017 1 commit
    • Guolin Ke's avatar
      faster histogram sum up (#418) · 98c7c2a3
      Guolin Ke authored
      * some refactor.
      
      * two stage sum up to reduce sum up error.
      
      * add more two-stage sumup.
      
      * some refactor.
      
      * add alignment.
      
      * change name to aligned_allocator.
      
      * remove some useless sumup.
      
      * fix a warning.
      
      * add -march=native .
      
      * remove the padding of gradients.
      
      * no alignment.
      
      * fix test.
      
      * change KNumSumupGroup to 32768.
      
      * change gcc flags.
      98c7c2a3
  30. 06 Apr, 2017 1 commit
  31. 13 Mar, 2017 1 commit
  32. 01 Mar, 2017 2 commits
  33. 13 Dec, 2016 1 commit
  34. 07 Dec, 2016 1 commit
  35. 18 Nov, 2016 1 commit
    • Guolin Ke's avatar
      Refactor for RAII (#86) · 5442ed78
      Guolin Ke authored
      * RAII for utils, application and c_api(partical)
      
      * raii for class in include folder
      
      * raii for application and boosting
      
      * raii for dataset and dataset loader
      
      * raii for dense bin and parser
      
      * RAII refactor for almost all classes
      
      * RAII for c_api
      
      * clean code
      
      * refine repeated code
      
      * Decouple the "sigmoid" between objective and boosting.
      
      * change std::vector<bool> back to std::vector<char> due to concurrence problem
      
      * slight reduce some memory cost
      5442ed78
  36. 15 Nov, 2016 1 commit
  37. 08 Nov, 2016 1 commit
  38. 06 Nov, 2016 1 commit