Performance

Illustration of a CPU core with SIMD lanes processing data.

Why Your Compiler Cannot Vectorize That Loop

A deep dive into the reasons behind failed auto‑vectorization and actionable steps to write loops the compiler can turn into SIMD.

Diagram of a B‑Tree node perfectly aligned with CPU cache lines.

Reclaiming Performance via Cache‑Aware B‑Tree Alignment

A deep dive into cache‑aware B‑Tree alignment, covering theory, practical implementation, and real‑world impact on database and filesystem performance.

Illustration of database transaction deadlock.

The Mechanics of Deadlock Detection in PostgreSQL Transactions

A deep dive into PostgreSQL’s deadlock detection mechanism, covering lock tracking, graph analysis, and actionable tuning tips.

Illustration of a hash map with multiple threads accessing buckets without locks.

Designing Lock-Free Concurrent Hash Maps Without Atomic Contention

A deep dive into lock‑free hash map designs that sidestep atomic contention, covering bucket partitioning, versioned pointers, and practical performance results.

Diagram of a recursive data structure with arrows looping back.

Why Zero-Copy Deserialization Fails for Large Recursive Schemas

An in‑depth look at why zero‑copy deserialization breaks down for large recursive schemas, illustrated with Rust and C++ examples and practical mitigation strategies.