Quantile DMatrix for CPU. (#8130)

- Add a new `QuantileDMatrix` that works for both CPU and GPU. - Deprecate `DeviceQuantileDMatrix`.
2022-08-02 15:51:23 +08:00
parent 2cba1d9fcc
commit d87f69215e
14 changed files with 521 additions and 117 deletions
--- a/tests/python/with_omp_limit.py
+++ b/tests/python/with_omp_limit.py
@@ -1,4 +1,3 @@
-import os
 import xgboost as xgb
 from sklearn.datasets import make_classification
 from sklearn.metrics import roc_auc_score