Skip to content

Navigation Menu

Appearance settings

Explore
By company size
By use case
By industry
View all solutions
Topics
- AI
- DevOps
- Security
- Software Development
- View all
Explore
- GitHub Sponsors
  Fund open source developers
- The ReadME Project
  GitHub community articles
Repositories
- Enterprise platform
  AI-powered developer platform
Available add-ons
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

pandas-dev / pandas Public

Notifications You must be signed in to change notification settings
Fork 18.6k
Star 45.8k

Code
Issues 3.7k
Pull requests 103
Actions
Projects
Security
Insights

Additional navigation options

Code
Issues
Pull requests
Actions
Projects
Security
Insights

PERF: MultiIndex._shallow_copy#32669

Merged

jreback merged 3 commits intopandas-dev:masterpandas-dev/pandas:masterfrom

topper-123:perf_mulit_index_shallow_copytopper-123/pandas:perf_mulit_index_shallow_copyCopy head branch name to clipboard

Mar 14, 2020

Conversation Commits3 (3)Checks Files changed

Merged

PERF: MultiIndex._shallow_copy#32669
jreback merged 3 commits intopandas-dev:masterfrom
topper-123:perf_mulit_index_shallow_copy

Commits

Commits on Mar 14, 2020

PERF: MultiIndex._shallow_copy
topper-123
committed
keep cache_readonly
topper-123
committed
better comments and tests
topper-123
committed

Footer

© 2025 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Docs
Contact

You can’t perform that action at this time.