Performance

Illustration of a stack collapsing as a recursive function reaches its base case.

When Recursion Stops Using the Stack: Tail Calls, Trampolines, and Iterative Transformations

A deep dive into techniques that let recursive algorithms run without exhausting the call stack, covering tail‑call optimization, trampolines, and practical rewrites.

Diagram of TCP congestion window and data flow.

Where TCP Transmission Speed Meets the Congestion Window Boundary

A deep dive into how TCP’s congestion window governs transmission speed, with practical guidance for developers and sysadmins seeking higher network performance.

A schematic of a processor core with transactional memory highlighted.

Why Hardware Transactional Memory Failed to Go Mainstream

Hardware transactional memory promised easy lock‑free programming, but a mix of hardware complexity, unpredictable performance, high silicon cost, and insufficient language and library support kept it from widespread adoption.

Diagram of a CPU pipeline with speculative execution paths.

Why Speculative Execution Needs Branch Prediction to Succeed

A deep dive into how branch prediction enables effective speculative execution, boosting performance while introducing new security challenges.

Illustration of memory generations with objects being promoted and collected.

Why Short-Lived Objects Die Young in Modern GCs

Modern GCs favor short-lived objects, reclaiming them within milliseconds. This post explains the underlying algorithms, runtime optimizations, and practical coding tips.