3 posts with tag unsafe-rust
Zero-Copy on the Hot Path: Reserve/Commit and Fast-Path/Slow-Path Splitting
How a reserve/commit protocol eliminates per-item copies in a lock-free SPSC ring buffer, and how fast-path/slow-path splitting keeps the common case branch-predictable.
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14 minutes reading time
Amortizing Cross-Core Coordination: Cursor Caching and Batch Processing
How cursor caching and batch processing amortize the cost of cross-core coordination in a lock-free SPSC ring buffer, so cores touch shared atomics a fraction as often.
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13 minutes reading time
The Cross-Core Contract: Memory Ordering and Single-Writer State in Lock-Free Rust
How Release/Acquire ordering, Relaxed counters, and single-writer UnsafeCell state make lock-free Rust ring buffers correct and efficient.
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12 minutes reading time