Assembly

The Instruction Count Lie: Latency, Throughput, and the Dependency Graph

Counting instructions is not measuring execution time. A deep dive into how Read-After-Write hazards serialize the Out-of-Order engine, and how restructuring dependencies unlocks the superscalar machine.

The Invisible Lock: Cache Coherency and the Physics of False Sharing

You removed the mutex. The CPU added a hardware lock. A deep dive into how the MESI protocol and false sharing silently destroy multi-core scaling.

The O(1) Illusion: Why Pointer Chasing is the Death of Throughput

Algorithmic complexity assumes memory is flat and fast. It isn’t. A deep dive into why contiguous arrays destroy linked lists on modern superscalar CPUs.

The 'If' is an admission of failure: When algebra replaces decision

Why your Clean Code is poison for the CPU pipeline. Analyzing branch misprediction costs.