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De-duplicate GPU parameters. (#4454)

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* 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.
This commit is contained in:
Jiaming Yuan
2019-05-29 11:55:57 +08:00
committed by GitHub
parent a3fedbeaa8
commit c589eff941
69 changed files with 927 additions and 562 deletions
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10
tests/cpp/objective/test_ranking_obj.cc
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@@ -1,11 +1,15 @@
// Copyright by Contributors
#include <xgboost/objective.h>
#include <xgboost/generic_parameters.h>
#include "../helpers.h"
TEST(Objective, PairwiseRankingGPair) {
xgboost::ObjFunction * obj = xgboost::ObjFunction::Create("rank:pairwise");
std::vector<std::pair<std::string, std::string> > args;
xgboost::LearnerTrainParam tparam;
std::vector<std::pair<std::string, std::string>> args;
tparam.InitAllowUnknown(args);
xgboost::ObjFunction * obj =
xgboost::ObjFunction::Create("rank:pairwise", &tparam);
obj->Configure(args);
// Test with setting sample weight to second query group
CheckRankingObjFunction(obj,