84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
// Copyright by Contributors
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#include <xgboost/context.h>
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#include <xgboost/json.h>
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#include <xgboost/objective.h>
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#include "../helpers.h"
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namespace xgboost {
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TEST(Objective, DeclareUnifiedTest(PairwiseRankingGPair)) {
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std::vector<std::pair<std::string, std::string>> args;
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xgboost::Context ctx = xgboost::CreateEmptyGenericParam(GPUIDX);
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std::unique_ptr<xgboost::ObjFunction> obj{xgboost::ObjFunction::Create("rank:pairwise", &ctx)};
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obj->Configure(args);
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CheckConfigReload(obj, "rank:pairwise");
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// Test with setting sample weight to second query group
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CheckRankingObjFunction(obj,
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{0, 0.1f, 0, 0.1f},
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{0, 1, 0, 1},
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{2.0f, 0.0f},
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{0, 2, 4},
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{1.9f, -1.9f, 0.0f, 0.0f},
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{1.995f, 1.995f, 0.0f, 0.0f});
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CheckRankingObjFunction(obj,
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{0, 0.1f, 0, 0.1f},
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{0, 1, 0, 1},
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{1.0f, 1.0f},
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{0, 2, 4},
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{0.95f, -0.95f, 0.95f, -0.95f},
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{0.9975f, 0.9975f, 0.9975f, 0.9975f});
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ASSERT_NO_THROW(obj->DefaultEvalMetric());
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}
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TEST(Objective, DeclareUnifiedTest(PairwiseRankingGPairSameLabels)) {
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std::vector<std::pair<std::string, std::string>> args;
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xgboost::Context ctx = xgboost::CreateEmptyGenericParam(GPUIDX);
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std::unique_ptr<ObjFunction> obj{ObjFunction::Create("rank:pairwise", &ctx)};
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obj->Configure(args);
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// No computation of gradient/hessian, as there is no diversity in labels
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CheckRankingObjFunction(obj,
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{0, 0.1f, 0, 0.1f},
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{1, 1, 1, 1},
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{2.0f, 0.0f},
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{0, 2, 4},
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{0.0f, 0.0f, 0.0f, 0.0f},
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{0.0f, 0.0f, 0.0f, 0.0f});
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ASSERT_NO_THROW(obj->DefaultEvalMetric());
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}
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TEST(Objective, DeclareUnifiedTest(MAPRankingGPair)) {
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std::vector<std::pair<std::string, std::string>> args;
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xgboost::Context ctx = xgboost::CreateEmptyGenericParam(GPUIDX);
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std::unique_ptr<xgboost::ObjFunction> obj{xgboost::ObjFunction::Create("rank:map", &ctx)};
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obj->Configure(args);
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CheckConfigReload(obj, "rank:map");
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// Test with setting sample weight to second query group
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CheckRankingObjFunction(obj,
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{0, 0.1f, 0, 0.1f},
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{0, 1, 0, 1},
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{2.0f, 0.0f},
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{0, 2, 4},
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{0.95f, -0.95f, 0.0f, 0.0f},
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{0.9975f, 0.9975f, 0.0f, 0.0f});
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CheckRankingObjFunction(obj,
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{0, 0.1f, 0, 0.1f},
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{0, 1, 0, 1},
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{1.0f, 1.0f},
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{0, 2, 4},
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{0.475f, -0.475f, 0.475f, -0.475f},
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{0.4988f, 0.4988f, 0.4988f, 0.4988f});
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ASSERT_NO_THROW(obj->DefaultEvalMetric());
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}
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} // namespace xgboost
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