Use DynamicPartitioning env variable

Author: Retribution98

modin/core/dataframe/pandas/partitioning/partition_manager.py

@@ -681,10 +681,7 @@ def broadcast_apply(
         np.ndarray
             NumPy array of result partition objects.
         """
-        # The `broadcast_apply` runtime condition differs from
-        # the same condition in `map_partitions` because the columnar
-        # approach for `broadcast_apply` results in a slowdown.
-        if np.prod(left.shape) <= 1.5 * CpuCount.get():
+        if not DynamicPartitioning.get():
             # block-wise broadcast
             new_partitions = cls.base_broadcast_apply(
                 axis,
@@ -693,6 +690,8 @@ def broadcast_apply(
                 right,
             )
         else:
+            # The dynamic partitioning behavior of `broadcast_apply` differs from that of `map_partitions`,
+            # since the columnar approach for `broadcast_apply` results in slowdown.
             # axis-wise broadcast
             new_partitions = cls.broadcast_axis_partitions(
                 axis=axis ^ 1,

modin/core/storage_formats/pandas/query_compiler.py

@@ -45,8 +45,7 @@
 from pandas.core.indexing import check_bool_indexer
 from pandas.errors import DataError
 
-from modin.config import RangePartitioning
-from modin.config.envvars import CpuCount
+from modin.config import CpuCount, RangePartitioning
 from modin.core.dataframe.algebra import (
     Binary,
     Fold,