Skip to content

PERF: copy blklocs/blknos in BlockManager.apply #43185

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Aug 31, 2021

Conversation

jbrockmendel
Copy link
Member

Avoids a call to _rebuild_blknos_and_blklocs, which in e.g. time_reset_datetimeindex is 34 microseconds

@jbrockmendel jbrockmendel added the Performance Memory or execution speed performance label Aug 27, 2021
@jreback jreback added this to the 1.4 milestone Aug 31, 2021
@jreback jreback merged commit 3b05602 into pandas-dev:master Aug 31, 2021
@jbrockmendel jbrockmendel deleted the perf-copy branch August 31, 2021 23:34
feefladder pushed a commit to feefladder/pandas that referenced this pull request Sep 7, 2021
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
Performance Memory or execution speed performance
Projects
None yet
Development

Successfully merging this pull request may close these issues.

2 participants