Rethink Cloud Data-Center System Software for Next-Generation Interconnect Technology
Computer systems in cloud data centers are becoming increasingly powerful, but at the cost of complexity. At the forefront of recent technological advancements, newer PCIe generations and the emerging Compute Express Link (CXL) protocol promise significant improvements in connectivity within data-center environments. However, these advances also increase the complexity of resource sharing, posing significant challenges to the adequacy of traditional supervisory software designs, including operating systems (OS) and hypervisors.
This talk will introduce a Fused OS design to explore cache-coherent shared memory, a hypervisor design to reduce memory fragmentation, and a tiered memory management framework on a multi-tiered memory-hierarchy platform. Finally, I will present my future vision for adaptive coherence management, where the system dynamically selects hardware- and software-managed coherence.
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Biography:
Tong Xing is a systems researcher, his research interests focus on System Software, specifically, Operating System, Virtualization Environments, Heterogeneous and Distributed Computer Architectures.
He received his PhD from the University of Edinburgh under the supervision of Dr. Antonio Barbalace and is currently a Postdoctoral Researcher there. He has authored many articles in peer-reviewed conferences and journals, including ASPLOS, Middleware, SoCC, EuroSys, APSys, VEE, and ACM Transactions on Computer Systems (TOCS).