Lock-Free

Hidden Memory Hazards in Lock-Free Data Structures

A deep dive into hidden memory hazards in lock‑free structures, with examples, diagnostics, and mitigation techniques for reliable concurrent code.

Illustration of overlapping epochs in concurrent memory reclamation.

How Epoch-Based Reclamation Avoids the Stalled Pointer Problem

A deep dive into epoch‑based reclamation, showing why it solves the stalled pointer issue and how to apply it safely in high‑performance concurrent code.

Illustration of a circular buffer with atomic pointers.

The Mechanics of Thread Safety in Lockless Circular Buffers

A deep dive into lockless circular buffer design, showing how atomic primitives, memory fences, and careful indexing keep multiple producers and consumers safe without locks.

Illustration of a binary heap with atomic arrows indicating lock‑free operations.

Implementing Lock-Free Priority Queues Using Compare and Swap

A deep dive into lock‑free priority queues, explaining the compare‑and‑swap technique, data‑structure choices, correctness proofs, and real‑world benchmarks.

Illustration of a concurrent queue with colored hazard pointers.

How Lock‑Free Queues Handle Memory Reclamation via Hazard Pointers

A deep dive into hazard pointers for lock‑free queues, showing why they matter, how they work, and when to use them over alternative reclamation schemes.