Cache-Coherence on Sandeep Kumarhttps://sandeep007734.github.io/tags/cache-coherence/Recent content in Cache-Coherence on Sandeep KumarHugoen-usSat, 10 Oct 2026 00:00:00 +0530Why Innocent Shared Updates Stop Scaling: Cache Coherence on a Multi-Socket Serverhttps://sandeep007734.github.io/posts/cache_coherence/Tue, 03 Mar 2026 00:00:00 +0530https://sandeep007734.github.io/posts/cache_coherence/How a one-line counter update turns into cross-core and cross-socket communication. Microbenchmarks on a dual-socket server separate local atomic cost, ownership handoffs, true sharing, and false sharing, and map each to a fix.