Performance improvements add optimizer passes and change initial order (#8811) fused multiply sub / sub multiply (#8799) improve parallel work distribution of sort expression ~4x (#8775) change default row-group size (#8758) elide function calls in AnyValue::eq (#8725) ✨ Enhancements add a new time_range utility function (#8776) Add hint to use _saturating on overflow (#8805) add a "restore_defaults" kwarg to Config init (#8797) add lazy time expression (#8785) support boolean addition (#8778) support SQLContext registration of DataFrames (#8762) support automatic SQLContext frame/table registration from local variables (#8749) improved detail in several error messages (#8747) support frame registration at SQLContext init time, and add a...
Highlights Array (backed by arrow::FixedSizeList datatype (#8943) Write dataframes as delta tables ...
Highlights add dedicated selectors module, consolidating/expanding existing selector capabilities (...
Performance improvements speed up comparison of sorted arrays ~3.85x. (#7478) improve performance ...
Performance improvements speed up python object to AnyValue construction (#9840) use hash set in dr...
Performance improvements optimize join inner materialization of single keys (#8405) parallelize sor...
Performance improvements use streaming instead of partitioned groupby (#7907) don't auto-stream gro...
Performance improvements don't initialize memory before row-encoding (#9435) further optimize datet...
Performance improvements optimize string kernels, (elide redundant allocs) (#7602) even faster pola...
Performance improvements change top_k algorithm (#7718) runtime SIMD target detection for min/max/s...
Performance improvements less naive count (#8473) parallelise dataframe describe method (#8465) par...
Performance improvements add fused multiply add optimization for expressions (#8690) use expression...
Performance improvements optimize n_unique for integers (#9568) remove sort columns on multiple-key...
⚠️ Deprecations Add Series.extend (#9901) Deprecate functions series input (#9878) Performance im...
Performance improvements use row format in streaming join ~15% (#9379) row encode buffer reuse (#9...
Highlights Out-of-core unique (#8573) Performance improvements improve OOC sort performance duri...
Highlights Array (backed by arrow::FixedSizeList datatype (#8943) Write dataframes as delta tables ...
Highlights add dedicated selectors module, consolidating/expanding existing selector capabilities (...
Performance improvements speed up comparison of sorted arrays ~3.85x. (#7478) improve performance ...
Performance improvements speed up python object to AnyValue construction (#9840) use hash set in dr...
Performance improvements optimize join inner materialization of single keys (#8405) parallelize sor...
Performance improvements use streaming instead of partitioned groupby (#7907) don't auto-stream gro...
Performance improvements don't initialize memory before row-encoding (#9435) further optimize datet...
Performance improvements optimize string kernels, (elide redundant allocs) (#7602) even faster pola...
Performance improvements change top_k algorithm (#7718) runtime SIMD target detection for min/max/s...
Performance improvements less naive count (#8473) parallelise dataframe describe method (#8465) par...
Performance improvements add fused multiply add optimization for expressions (#8690) use expression...
Performance improvements optimize n_unique for integers (#9568) remove sort columns on multiple-key...
⚠️ Deprecations Add Series.extend (#9901) Deprecate functions series input (#9878) Performance im...
Performance improvements use row format in streaming join ~15% (#9379) row encode buffer reuse (#9...
Highlights Out-of-core unique (#8573) Performance improvements improve OOC sort performance duri...
Highlights Array (backed by arrow::FixedSizeList datatype (#8943) Write dataframes as delta tables ...
Highlights add dedicated selectors module, consolidating/expanding existing selector capabilities (...
Performance improvements speed up comparison of sorted arrays ~3.85x. (#7478) improve performance ...