.ix performance regression? (original) (raw)

Skip to content

Navigation Menu

Sign in

Appearance settings

• • AI CODE CREATION
    * GitHub CopilotWrite better code with AI
    * GitHub SparkBuild and deploy intelligent apps
    * GitHub ModelsManage and compare prompts
    * MCP RegistryNewIntegrate external tools
  • DEVELOPER WORKFLOWS
    * ActionsAutomate any workflow
    * CodespacesInstant dev environments
    * IssuesPlan and track work
    * Code ReviewManage code changes
  • APPLICATION SECURITY
    * GitHub Advanced SecurityFind and fix vulnerabilities
    * Code securitySecure your code as you build
    * Secret protectionStop leaks before they start
  • EXPLORE
    * Why GitHub
    * Documentation
    * Blog
    * Changelog
    * Marketplace

View all features

• • BY COMPANY SIZE
    * Enterprises
    * Small and medium teams
    * Startups
    * Nonprofits
  • BY USE CASE
    * App Modernization
    * DevSecOps
    * DevOps
    * CI/CD
    * View all use cases
  • BY INDUSTRY
    * Healthcare
    * Financial services
    * Manufacturing
    * Government
    * View all industries

View all solutions

• • EXPLORE BY TOPIC
    * AI
    * Software Development
    * DevOps
    * Security
    * View all topics
  • EXPLORE BY TYPE
    * Customer stories
    * Events & webinars
    * Ebooks & reports
    * Business insights
    * GitHub Skills
  • SUPPORT & SERVICES
    * Documentation
    * Customer support
    * Community forum
    * Trust center
    * Partners
• • COMMUNITY
    * GitHub SponsorsFund open source developers
  • PROGRAMS
    * Security Lab
    * Maintainer Community
    * Accelerator
    * Archive Program
  • REPOSITORIES
    * Topics
    * Trending
    * Collections
• • ENTERPRISE SOLUTIONS
    * Enterprise platformAI-powered developer platform
  • AVAILABLE ADD-ONS
    * GitHub Advanced SecurityEnterprise-grade security features
    * Copilot for BusinessEnterprise-grade AI features
    * Premium SupportEnterprise-grade 24/7 support
• Pricing

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

Sign in

Sign up

Appearance settings

pandas-dev / pandas Public

• Notifications You must be signed in to change notification settings

• Fork19.4k

• Star 47.3k

• Code

• Issues 3.4k

• Pull requests 163

• Actions

• Projects

• Security

• Insights

Additional navigation options

New issue

New issue

Closed

Closed

.ix performance regression?

#4198

Labels

PerformanceMemory or execution speed performance

Milestone

0.13

Description

wesm

opened

on Jul 11, 2013

is this kind of use cases reflected in our vbenchmarks? suppose @jreback is the one to ask here. more evidence need to rewrite the internals of pandas objects in C to reduce indexing overhead, among other things

http://stackoverflow.com/questions/17538902/is-there-a-way-to-speed-up-this-pandas-function

Metadata

Metadata

Assignees

No one assigned

Labels

PerformanceMemory or execution speed performance

Type

No type

Projects

No projects

Milestone

• 0.13

Relationships

None yet

Development

No branches or pull requests

Issue actions