https://akurniawan.github.io/tags/memory/Recent content in Memory on Aditya Kurniawan (Akur)Hugoen-usSun, 06 Sep 2026 00:00:00 +0700https://akurniawan.github.io/posts/nvlink-c2c-what-changes-for-cpp/Sun, 06 Sep 2026 00:00:00 +0700https://akurniawan.github.io/posts/nvlink-c2c-what-changes-for-cpp/The CUDA Programming Guide assumes the host and the device keep separate memories with a copy between them. My DGX Spark doesn’t. So I went and learned what NVLink-C2C actually is compared to PCIe, how coherence behaves across it, and what that changes for someone writing C++ on this machine.