Hendrik/xgboost
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Author SHA1 Message Date
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
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