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Cloudflare's Gen 13 servers double our compute throughput by rethinking the balance between cache and cores. Moving to high-core-count AMD EPYC Turin CPUs, we traded large L3 cache for raw compute density. By running our new Rust-based FL2 stack, we ...

Cloudflare's Gen 13 servers introduce AMD EPYC Turin 9965 processors and a transition to 100 GbE networking to meet growing traffic demands. In this technical deep dive, we explain the engineering rationale behind each major component selection.