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Axiom Synchronization

charleswiltgen/axiom

Low-level synchronization primitives for Swift when actors feel too heavyweight. You get mutexes and atomics for protecting shared state without the async overhead, which matters when you're doing microsecond-scale operations or high-frequency counter updates. The docs include a clean decision matrix showing when to reach for a mutex versus an actor, which is genuinely helpful since Swift 6's concurrency model doesn't make this obvious. It's iOS 18+ only and requires Swift 6, so this is for newer codebases. If you're fighting performance issues with actors or just need a simple lock around a single property, this gives you the escape hatch without dropping down to unsafe code.

skills.sh installs
168
GitHub stars
1.3K
last updated
Aug 21, 2026
View on GitHub

Install

$ npx -y skills add charleswiltgen/axiom --skill axiom-synchronization --agent claude-code

Installs into .claude/skills of the current project.

Files

Low-level synchronization primitives for Swift when actors feel too heavyweight. You get mutexes and atomics for protecting shared state without the async overhead, which matters when you're doing microsecond-scale operations or high-frequency counter updates. The docs include a clean decision matrix showing when to reach for a mutex versus an actor, which is genuinely helpful since Swift 6's concurrency model doesn't make this obvious. It's iOS 18+ only and requires Swift 6, so this is for newer codebases. If you're fighting performance issues with actors or just need a simple lock around a single property, this gives you the escape hatch without dropping down to unsafe code.

Browse the repository on GitHub

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Details

Repository
github.com/charleswiltgen/axiom
Categories
Debugging, Mobile Development
First seen
Jun 3, 2026

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