Cloudflare Optimizes Edge Stack for High-Core CPUs Instead of Large Cache

<img src="https://res.infoq.com/news/2026/04/cache-parallelism-cloudflare/en/headerimage/generatedHeaderImage-1775160711037.jpg"/><p>Cloudflare recently introduced its Gen 13 servers, marking a shift in how its network handles traffic. Instead of relying on large CPU caches for speed, the company redesigned its software to leverage many more processor cores working in parallel in its latest AMD-based servers.</p> <i>By Renato Losio</i>