156 Commits

Author SHA1 Message Date
Rory Mitchell
40c6e2f0c8
Improved gpu_hist_experimental algorithm (#2866)
- Implement colsampling, subsampling for gpu_hist_experimental

 - Optimised multi-GPU implementation for gpu_hist_experimental

 - Make nccl optional

 - Add Volta architecture flag

 - Optimise RegLossObj

 - Add timing utilities for debug verbose mode

 - Bump required cuda version to 8.0
2017-11-11 13:58:40 +13:00
Rory Mitchell
13e7a2cff0 Various bug fixes (#2825)
* Fatal error if GPU algorithm selected without GPU support compiled

* Resolve type conversion warnings

* Fix gpu unit test failure

* Fix compressed iterator edge case

* Fix python unit test failures due to flake8 update on pip
2017-10-25 14:45:01 +13:00
Rory Mitchell
4cb2f7598b -Add experimental GPU algorithm for lossguided mode (#2755)
-Improved GPU algorithm unit tests
-Removed some thrust code to improve compile times
2017-10-01 00:18:35 +13:00
Rory Mitchell
15267eedf2 [GPU-Plugin] Major refactor 2 (#2664)
* Change cmake option

* Move source files

* Move google tests

* Move python tests

* Move benchmarks

* Move documentation

* Remove makefile support

* Fix test run

* Move GPU tests
2017-09-08 09:57:16 +12:00
PSEUDOTENSOR / Jonathan McKinney
ca7fc9fda3 [GPU-Plugin] Fix gpu_hist to allow matrices with more than just 2^{32} elements. Also fixed CPU hist algorithm. (#2518) 2017-07-18 11:19:27 +12:00
Rory Mitchell
530f01e21c [GPU-Plugin] Add load balancing search to gpu_hist. Add compressed iterator. (#2504) 2017-07-11 22:36:39 +12:00