REF/PERF: pd.concat #52312
Merged
REF/PERF: pd.concat #52312
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
mroeschke
approved these changes
Apr 3, 2023
mroeschke
added
Performance
|
Thanks @jbrockmendel |
topper-123
pushed a commit
to topper-123/pandas
that referenced
this pull request
Apr 6, 2023
* PERF: concat * REF/PERF: pd.concat * mypy fixup
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Sits on top of #52291. Mostly a refactor making
Concatenator.__init__less stateful, makes some of the annotations more accurate. A bit of a performance improvement from avoiding a_get_concat_axisin some cases. Makes it easier to spot in profiling where more overhead can be trimmed going forward.