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.
Memory
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.