2 Commits

Author SHA1 Message Date
Jiaming Yuan
3136185bc5
JSON configuration IO. (#5111)
* Add saving/loading JSON configuration.
* Implement Python pickle interface with new IO routines.
* Basic tests for training continuation.
2019-12-15 17:31:53 +08:00
Jiaming Yuan
c589eff941
De-duplicate GPU parameters. (#4454)
* Only define `gpu_id` and `n_gpus` in `LearnerTrainParam`
* Pass LearnerTrainParam through XGBoost vid factory method.
* Disable all GPU usage when GPU related parameters are not specified (fixes XGBoost choosing GPU over aggressively).
* Test learner train param io.
* Fix gpu pickling.
2019-05-29 11:55:57 +08:00