Shared vs Distributed Memory – Why It Matters More Than You Think

When people start working with high performance computing or parallel systems, “memory” often sounds like a background detail. It’s not. The way memory is structured can completely change how your applications behave, scale, and even fail. Let’s break it down in a practical way. ⸻ What is Shared Memory? In a shared memory system, all processors access the same memory space. Think of it like multiple people working on a single Google Doc. Everyone sees the same data, and changes are immediately v