Use weakref instead of id for DataIter cache. (#9445)

- Fix case where Python reuses id from freed objects. - Small optimization to column matrix with QDM by using `realloc` instead of copying data.
2023-08-10 00:40:06 +08:00
parent d495a180d8
commit f05a23b41c
14 changed files with 193 additions and 63 deletions
--- a/tests/ci_build/lint_python.py
+++ b/tests/ci_build/lint_python.py
@@ -42,6 +42,7 @@ class LintersPaths:
        "demo/guide-python/feature_weights.py",
        "demo/guide-python/sklearn_parallel.py",
        "demo/guide-python/spark_estimator_examples.py",
+        "demo/guide-python/external_memory.py",
        "demo/guide-python/individual_trees.py",
        "demo/guide-python/quantile_regression.py",
        "demo/guide-python/multioutput_regression.py",