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Rework the NDCG objective. (#9015)

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This commit is contained in:
Jiaming Yuan
2023-04-18 21:16:06 +08:00
committed by GitHub
parent ba9d24ff7b
commit ef13dd31b1
15 changed files with 1082 additions and 351 deletions
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16
tests/python-gpu/test_gpu_eval_metrics.py
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@@ -1,3 +1,4 @@
import json
import sys
import pytest
@@ -36,19 +37,16 @@ class TestGPUEvalMetrics:
Xy = xgboost.DMatrix(X, y, group=group)
cpu = xgboost.train(
booster = xgboost.train(
{"tree_method": "hist", "eval_metric": "auc", "objective": "rank:ndcg"},
Xy,
num_boost_round=10,
)
cpu_auc = float(cpu.eval(Xy).split(":")[1])
gpu = xgboost.train(
{"tree_method": "gpu_hist", "eval_metric": "auc", "objective": "rank:ndcg"},
Xy,
num_boost_round=10,
)
gpu_auc = float(gpu.eval(Xy).split(":")[1])
cpu_auc = float(booster.eval(Xy).split(":")[1])
booster.set_param({"gpu_id": "0"})
assert json.loads(booster.save_config())["learner"]["generic_param"]["gpu_id"] == "0"
gpu_auc = float(booster.eval(Xy).split(":")[1])
assert json.loads(booster.save_config())["learner"]["generic_param"]["gpu_id"] == "0"
np.testing.assert_allclose(cpu_auc, gpu_auc)