OCT 23, 2026

Don’t stop early: Case-folding source code at memory speed

How a branch-free loop and byte-space arithmetic let GitHub case-fold every byte of code search at >45 GiB/s on a single core. The post Don’t stop early:...

Performance Backend High-Performance Computing Optimization Low-Level Programming Memory Optimization

Read full article →

The bridge to agent-scale Git infrastructure

We moved a copy of 99.99999% of GitHub's repositories to Azure. Here's how per-reference quorums will bring over the rest, and how object storage lets reads...

DevToolsPlatform

1 min

GitHub7d ago

Staying Evergreen: How we automated secure access and repo hygiene in a shared org

Put native GitHub features to work to review outside collaborator access and archive stale repositories. The post Staying Evergreen: How we automated secure...

DevToolsPlatform

1 min

Weekly Brief

Top 10 engineering articles delivered every Monday.

GitHub8d ago

From 2,500 requests to 24: Rebuilding star history without the stargazers

Our new repo star history API now provides trends without returning individual identities or requiring unbounded database work. These are the engineering...

DevToolsPlatform

1 min

Don&#8217;t stop early: Case-folding source code at memory speed

The bridge to agent-scale Git infrastructure

Staying Evergreen: How we automated secure access and repo hygiene in a shared org

From 2,500 requests to 24: Rebuilding star history without the stargazers

Don’t stop early: Case-folding source code at memory speed