xgboost/tests/python-gpu/test_device_quantile_dmatrix.py
Jiaming Yuan 8942c98054
Define metainfo and other parameters for all DMatrix interfaces. (#6601)
This PR ensures all DMatrix types have a common interface.

* Fix logic in avoiding duplicated DMatrix in sklearn.
* Check for consistency between DMatrix types.
* Add doc for bounds.
2021-01-25 16:06:06 +08:00

59 lines
1.7 KiB
Python

# -*- coding: utf-8 -*-
import numpy as np
import xgboost as xgb
import pytest
import sys
sys.path.append("tests/python")
import testing as tm
class TestDeviceQuantileDMatrix:
def test_dmatrix_numpy_init(self):
data = np.random.randn(5, 5)
with pytest.raises(TypeError,
match='is not supported for DeviceQuantileDMatrix'):
xgb.DeviceQuantileDMatrix(data, np.ones(5, dtype=np.float64))
@pytest.mark.skipif(**tm.no_cupy())
def test_dmatrix_feature_weights(self):
import cupy as cp
rng = cp.random.RandomState(1994)
data = rng.randn(5, 5)
m = xgb.DMatrix(data)
feature_weights = rng.uniform(size=5)
m.set_info(feature_weights=feature_weights)
cp.testing.assert_array_equal(
cp.array(m.get_float_info('feature_weights')),
feature_weights.astype(np.float32))
@pytest.mark.skipif(**tm.no_cupy())
def test_dmatrix_cupy_init(self):
import cupy as cp
data = cp.random.randn(5, 5)
xgb.DeviceQuantileDMatrix(data, cp.ones(5, dtype=np.float64))
@pytest.mark.skipif(**tm.no_cupy())
def test_metainfo(self) -> None:
import cupy as cp
rng = cp.random.RandomState(1994)
rows = 10
cols = 3
data = rng.randn(rows, cols)
labels = rng.randn(rows)
fw = rng.randn(rows)
fw -= fw.min()
m = xgb.DeviceQuantileDMatrix(data=data, label=labels, feature_weights=fw)
got_fw = m.get_float_info("feature_weights")
got_labels = m.get_label()
cp.testing.assert_allclose(fw, got_fw)
cp.testing.assert_allclose(labels, got_labels)