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Programmable Memory Controller Eases Adoption of New DRAM Techniques (ETH Zürich, CISPA, NYU)

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Programmable Memory Controller Eases Adoption of New DRAM Techniques (ETH Zürich, CISPA, NYU)

Researchers at ETH Zürich, CISPA, and New York University published a technical paper titled “Terracotta: Enabling the Adoption of New DRAM Techniques via a Flexible DRAM Interface and Memory Controller.”

“DRAM continues to limit the performance, energy efficiency, and robustness of modern systems. Many prior works propose DRAM techniques that support in-DRAM computation, improve memory access latency and parallelism, and enhance DRAM maintenance and reliability. However, adopting each new technique requires repeated modifications to the rigid DRAM interface and memory controller, hindering its deployment. Our goal is to reduce these repeated modifications. We observe that the DRAM commands and memory controller structures of many DRAM techniques are similar. Our key idea is to use these similarities to compose a set of primitives for implementing diverse DRAM techniques. We propose Terracotta, a new framework with two flexible components: (i) custom command extensions that let DRAM vendors define new commands within a single, standardized interface, and (ii) a programmable memory controller that system designers can program to support new DRAM techniques post-silicon. Together, these enable deployment by configuring the memory controller instead of modifying the interface and controller. ”

Songara, Harsh, Konstantinos Kanellopoulos, F. Nisa Bostancı, Konstantinos Marios Sgouras, Ataberk Olgun, İsmail Emir Yüksel, Andreas Kosmas Kakolyris, A. Giray Yağlıkçı, and Onur Mutlu. “Terracotta: Enabling the Adoption of New DRAM Techniques via a Flexible DRAM Interface and Memory Controller.” arXiv preprint arXiv:2610.06475 (October 2026). https://doi.org/10.48550/arXiv.2610.06475



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