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

rust-lang / rust Public

Notifications You must be signed in to change notification settings
Fork 13.4k
Star 104k

Code
Issues 5k+
Pull requests 739
Actions
Projects 9
Security
Insights

Additional navigation options

Code
Issues
Pull requests
Actions
Projects
Security
Insights

Make ASCII case conversions more than 4× faster#59283

Merged

bors merged 11 commits intorust-lang:masterrust-lang/rust:masterfrom

SimonSapin:branchless-ascii-caseSimonSapin/rust:branchless-ascii-caseCopy head branch name to clipboard

Mar 28, 2019

Conversation Commits11 (11)Checks Files changed

Commits

Commits on Mar 18, 2019

Add benchmarks for [u8]::make_ascii_uppercase
SimonSapin
committed
Make u8::to_ascii_lowercase and to_ascii_uppercase branchless
SimonSapin
committed
Add benchmark for not-quite-correct “fake SIMD” make_ascii_uppercase
SimonSapin
committed
Tidy
SimonSapin
committed
Rename src/libcore/benches/ascii_case.rs to ascii.rs
SimonSapin
committed
Add benchmarks for `u8::is_ascii*`
SimonSapin
committed
Remove ASCII_CHARACTER_CLASS table, use `match` with range patterns instead.
SimonSapin
committed
Benchmark more possibles impls of [u8]::make_ascii_uppercase
SimonSapin
committed
Simplify u8::to_ascii_{upp,low}ercase while keeping it fast
SimonSapin
committed

Commits on Mar 19, 2019

ASCII uppercase: add "subtract shifted bool" benchmark
SimonSapin
committed
ASCII uppercase: add "subtract multiplied bool" benchmark
SimonSapin
committed

Footer

© 2025 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Docs
Contact

You can’t perform that action at this time.