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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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7
tests/cpp/objective/test_hinge.cc
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@@ -1,13 +1,14 @@
// Copyright by Contributors
#include <xgboost/objective.h>
#include <xgboost/generic_parameters.h>
#include <limits>
#include "../helpers.h"
TEST(Objective, DeclareUnifiedTest(HingeObj)) {
xgboost::ObjFunction * obj = xgboost::ObjFunction::Create("binary:hinge");
std::vector<std::pair<std::string, std::string> > args;
obj->Configure(args);
xgboost::LearnerTrainParam tparam = xgboost::CreateEmptyGenericParam(0, NGPUS);
xgboost::ObjFunction * obj = xgboost::ObjFunction::Create("binary:hinge", &tparam);
xgboost::bst_float eps = std::numeric_limits<xgboost::bst_float>::min();
CheckObjFunction(obj,
{-1.0f, -0.5f, 0.5f, 1.0f, -1.0f, -0.5f, 0.5f, 1.0f},