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Author SHA1 Message Date
Jiaming Yuan 48dddfd635 Porting elementwise metrics to GPU. (#3952) 
* Port elementwise metrics to GPU.

* All elementwise metrics are converted to static polymorphic.
* Create a reducer for metrics reduction.
* Remove const of Metric::Eval to accommodate CubMemory.
 2018-12-01 18:46:45 +13:00
Jiaming Yuan 93f63324e6 Address deprecation of Python ABC. (#3909) 2018-11-16 19:43:32 +13:00
Jiaming Yuan fe999bf968 Add back python2 tests for Travis light weight tests. (#3901) 2018-11-15 22:17:35 +13:00
Jiaming Yuan 2ea0f887c1 Refactor Python tests. (#3897) 
* Deprecate nose tests.
* Format python tests.
 2018-11-15 13:56:33 +13:00
Jiaming Yuan daf77ca7b7 Enable running objectives with 0 GPU. (#3878) 
* Enable running objectives with 0 GPU.

* Enable 0 GPU for objectives.
* Add doc for GPU objectives.
* Fix some objectives defaulted to running on all GPUs.
 2018-11-13 20:19:59 +13:00
Jiaming Yuan 97984f4890 Fix gpu coordinate running on multi-gpu. (#3893) 2018-11-13 19:09:55 +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
Jiaming Yuan f1275f52c1 Fix specifying gpu_id, add tests. (#3851) 
* Rewrite gpu_id related code.

* Remove normalised/unnormalised operatios.
* Address difference between `Index' and `Device ID'.
* Modify doc for `gpu_id'.
* Better LOG for GPUSet.
* Check specified n_gpus.
* Remove inappropriate `device_idx' term.
* Clarify GpuIdType and size_t.
 2018-11-06 18:17:53 +13:00
Jiaming Yuan 1698fe64bb Document GPU objectives in NEWS. (#3865) 2018-11-05 14:46:45 +13:00
trivialfis 516457fadc Add basic unittests for gpu-hist method. (#3785) 
* Split building histogram into separated class.
* Extract `InitCompressedRow` definition.
* Basic tests for gpu-hist.
* Document the code more verbosely.
* Removed `HistCutUnit`.
* Removed some duplicated copies in `GPUHistMaker`.
* Implement LCG and use it in tests.
 2018-10-15 15:47:00 +13:00
trivialfis 184efff9f9 Remove NoConstraint. (#3792) 2018-10-15 15:43:06 +13:00
trivialfis 4b892c2b30 Remove obsoleted QuantileHistMaker. (#3761) 
Fix #3755.
 2018-10-06 11:22:15 -07:00
trivialfis c6b5df67f6 Catch dmlc::Error. (#3751) 
Fix #3643.
 2018-10-04 16:51:38 +13:00
trivialfis d594b11f35 Implement transform to reduce CPU/GPU code duplication. (#3643) 
* Implement Transform class.
* Add tests for softmax.
* Use Transform in regression, softmax and hinge objectives, except for Cox.
* Mark old gpu objective functions deprecated.
* static_assert for softmax.
* Split up multi-gpu tests.
 2018-10-02 15:06:21 +13:00
trivialfis 5a7f7e7d49 Implement devices to devices reshard. (#3721) 
* Force clearing device memory before Reshard.
* Remove calculating row_segments for gpu_hist and gpu_sketch.
* Guard against changing device.
 2018-09-28 17:40:23 +12:00
trivialfis 9119f9e369 Fix gpu devices. (#3693) 
* Fix gpu_set normalized and unnormalized.
* Fix DeviceSpan.
 2018-09-19 17:39:42 +12:00
trivialfis 60787ecebc Merge generic device helper functions into gpu set. (#3626) 
* Remove the use of old NDevices* functions.
* Use GPUSet in timer.h.
 2018-08-26 18:14:23 +12:00
trivialfis cf2d86a4f6 Add travis sanitizers tests. (#3557) 
* Add travis sanitizers tests.

* Add gcc-7 in Travis.
* Add SANITIZER_PATH for CMake.
* Enable sanitizer tests in Travis.

* Fix memory leaks in tests.

* Fix all memory leaks reported by Address Sanitizer.
* tests/cpp/helpers.h/CreateDMatrix now returns raw pointer.
 2018-08-19 16:40:30 +12:00
trivialfis 7c82dc92b2 Fix accessing DMatrix.handle before set. (#3599) 
Close #3597.
 2018-08-16 15:26:06 -07:00
trivialfis 9265964ee7 Fix ptrdiff_t namespace in Span. (#3588) 
Fix #3587.
 2018-08-15 10:04:55 +12:00
trivialfis 2c502784ff Span class. (#3548) 
* Add basic Span class based on ISO++20.

* Use Span<Entry const> instead of Inst in SparsePage.

* Add DeviceSpan in HostDeviceVector, use it in regression obj.
 2018-08-14 17:58:11 +12:00
trivialfis 55caad6e49 Remove redundant FindGTest.cmake. (#3533) 
During removal of FindGTest.cmake, also

* Fix gtest include dirs.
* Remove some blanks and use PWD for gtest dir.
 2018-08-07 10:08:08 +12:00
trivialfis 34dc9155ab Use __CUDA__ macro with __NVCC__. (#3539) 
* __CUDA__ is defined in clang. Making the change won't make clang
compile xgboost, but syntax checking from clang is at least partially
working.
 2018-08-02 22:04:23 +12:00
trivialfis 860263f814 Enable building with sanitizers. (#3525) 2018-07-31 17:25:47 +12:00
trivialfis 8973f2cb0e Fix building dmlc-core from xgboost. (#3522) 
Move building dmlc-core before adding DMLC_LOG_CUSTOMIZE.

Fix #3520.
 2018-07-28 10:35:11 -07:00
trivialfis 34aeee2961 Fix test_param.cc header path (#3317) 2018-05-28 10:26:29 -07:00