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PERF-#5087: use cache for widths/lengths/index/columns if possible #5031

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merged 3 commits into from
Oct 10, 2022
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PERF-#5087: use cache for widths/lengths/index/columns if possible #5031

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0bde58d
PERF-#5087: Use cache for widths/lengths if possible
anmyachev Sep 24, 2022
2d8b82e
use index_cache and columns_cache
anmyachev Oct 7, 2022
2a145ea
Update docs/release_notes/release_notes-0.16.0.rst
YarShev Oct 7, 2022
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40 changes: 20 additions & 20 deletions modin/core/dataframe/pandas/dataframe/dataframe.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1172,10 +1172,10 @@ def astype_builder(df):
)
return self.__constructor__(
new_frame,
self.index,
self.columns,
self.row_lengths,
self.column_widths,
self._index_cache,
self._columns_cache,
self._row_lengths_cache,
self._column_widths_cache,
new_dtypes,
)

Expand Down Expand Up @@ -1689,8 +1689,8 @@ def map(self, func: Callable, dtypes: Optional[str] = None) -> "PandasDataframe"
)
return self.__constructor__(
new_partitions,
self.axes[0],
self.axes[1],
self._index_cache,
self._columns_cache,
self._row_lengths_cache,
self._column_widths_cache,
dtypes=dtypes,
Expand Down Expand Up @@ -1757,10 +1757,10 @@ def fold(self, axis, func):
)
return self.__constructor__(
new_partitions,
self.index,
self.columns,
self.row_lengths,
self.column_widths,
self._index_cache,
self._columns_cache,
self._row_lengths_cache,
self._column_widths_cache,
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)

def infer_objects(self) -> "PandasDataframe":
Expand Down Expand Up @@ -1802,10 +1802,10 @@ def infer_types(self, col_labels: List[str]) -> "PandasDataframe":
new_dtypes[col_labels] = new_cols_dtypes
return self.__constructor__(
self._partitions,
self.index,
self.columns,
self.row_lengths,
self.column_widths,
self._index_cache,
self._columns_cache,
self._row_lengths_cache,
self._column_widths_cache,
new_dtypes,
)

Expand Down Expand Up @@ -1910,8 +1910,8 @@ def map_fn(df):
new_parts,
new_index,
new_cols,
self.row_lengths,
self.column_widths,
self._row_lengths_cache,
self._column_widths_cache,
new_dtypes,
)

Expand Down Expand Up @@ -3105,10 +3105,10 @@ def transpose(self):
new_dtypes = None
return self.__constructor__(
new_partitions,
self.columns,
self.index,
self.column_widths,
self.row_lengths,
self._columns_cache,
self._index_cache,
self._column_widths_cache,
self._row_lengths_cache,
dtypes=new_dtypes,
)

Expand Down