venue: SOSP year: 2025 papers: - title: 'LithOS: An Operating System for Efficient Machine Learning on GPUs' authors: - Patrick H. Coppock - Brian Zhang - Eliot H. Solomon - Vasilis Kypriotis - Leon Yang - Bikash Sharma - Dan Schatzberg - Todd C. Mowry - Dimitrios Skarlatos 0002 reason: "Designs a dedicated OS for GPU ML workloads, rethinking scheduling and resource management at the kernel level for accelerator-centric computing." - title: 'CHERIoT RTOS: An OS for Fine-Grained Memory-Safe Compartments on Low-Cost Embedded Devices' authors: - Saar Amar - Tony Chen - David Chisnall - Nathaniel Wesley Filardo - Ben Laurie - Hugo Lefeuvre - Kunyan Liu - Simon W. Moore - Robert Norton-Wright - Margo I. Seltzer - Yucong Tao - Robert N. M. Watson - Hongyan Xia reason: "Demonstrates hardware-capability-based fine-grained memory safety and compartmentalisation on constrained embedded devices, setting a new bar for secure IoT OSes." - title: 'Atmosphere: Practical Verified Kernels with Rust and Verus' authors: - Xiangdong Chen - Zhaofeng Li 0004 - Jerry Zhang - Vikram Narayanan - Anton Burtsev reason: "Shows that practical kernel verification is achievable using Rust and the Verus verifier, bridging the gap between formal methods and production OS development." - title: 'TickTock: Verified Isolation in a Production Embedded OS' authors: - Vivien Rindisbacher - Evan Johnson 0001 - Nico Lehmann - Tyler Potyondy - Pat Pannuto - Stefan Savage - Deian Stefan - Ranjit Jhala reason: "Delivers machine-checked proofs of isolation properties for a real embedded OS, providing strong security guarantees without sacrificing production deployability." - title: 'μFork: Supporting POSIX fork Within a Single-Address-Space OS' authors: - John Alistair Kressel - Hugo Lefeuvre - Pierre Olivier reason: "Reconciles the POSIX fork abstraction with unikernel/single-address-space designs, addressing a long-standing compatibility obstacle for library OS deployments." - title: Scalable Address Spaces using Concurrent Interval Skiplist authors: - Tae Woo Kim - Youngjin Kwon - Jeehoon Kang reason: "Tackles the fundamental kernel scalability problem of virtual memory area management by replacing the VMA red-black tree with a concurrent interval skiplist, yielding significant mmap/munmap throughput gains." - title: 'cache_ext: Customizing the Page Cache with eBPF' authors: - Tal Zussman - Ioannis Zarkadas - Jeremy Carin - Andrew Cheng - Hubertus Franke - Jonas Pfefferle - Asaf Cidon reason: "Extends the eBPF programmability model to the OS page cache, enabling application-specific caching policies without kernel modifications." - title: 'Aeolia: A Fast and Secure Userspace Interrupt-Based Storage Stack' authors: - Chuandong Li 0004 - Ran Yi 0004 - Zonghao Zhang - Jing Liu 0074 - Changwoo Min - Jie Zhang 0048 - Yingwei Luo - Xiaolin Wang 0001 - Zhenlin Wang 0003 - Diyu Zhou reason: "Redesigns the storage I/O path around userspace interrupts, achieving high throughput and low latency while preserving strong isolation properties." - title: 'Sleeping with One Eye Open: Fast, Sustainable Storage with Sandman' authors: - Yanbo Zhou - Erci Xu - Anisa Su - Jim Harris - Adam Manzanares - Steven Swanson reason: "Introduces a storage system that aggressively power-gates flash devices while maintaining low latency, addressing sustainability concerns for large-scale storage deployments." - title: 'Oasis: Pooling PCIe Devices Over CXL to Boost Utilization' authors: - Yuhong Zhong - Daniel S. Berger - Pantea Zardoshti - Enrique Saurez - Jacob Nelson 0001 - Dan R. K. Ports - Antonis Psistakis - Joshua Fried - Asaf Cidon reason: "Exploits CXL interconnects to pool PCIe devices across servers, significantly improving device utilisation and laying groundwork for memory-semantic datacenter architectures." - title: 'Scalable Far Memory: Balancing Faults and Evictions' authors: - Yueyang Pan - Yash Lala - Musa Unal - Yujie Ren - SeungSeob Lee - Abhishek Bhattacharjee - Anurag Khandelwal - Sanidhya Kashyap reason: "Provides a rigorous analysis of the fault-vs-eviction trade-off in far-memory systems and proposes mechanisms that scale to production datacenter workloads." - title: 'Tiga: Accelerating Geo-Distributed Transactions with Synchronized Clocks' authors: - Jinkun Geng - Shuai Mu 0001 - Anirudh Sivaraman - Balaji Prabhakar reason: "Exploits hardware clock synchronisation to cut coordination overhead in geo-distributed transactions, achieving latency close to the theoretical network minimum." - title: 'Pesto: Cooking up High Performance BFT Queries' authors: - Florian Suri-Payer - Neil Giridharan - Liam Arzola - Shir Cohen - Lorenzo Alvisi - Natacha Crooks reason: "Advances Byzantine fault-tolerant systems by separating the query path from consensus, enabling high-throughput reads without weakening safety guarantees." - title: 'Orthrus: Efficient and Timely Detection of Silent User Data Corruption in the Cloud with Resource-Adaptive Computation Validation' authors: - Chenxiao Liu - Zhenting Zhu - Quanxi Li - Yanwen Xia - Yifan Qiao 0002 - Xiangyun Deng - Youyou Lu - Tao Xie 0001 - Huimin Cui - Zidong Du - Harry Xu 0001 - Chenxi Wang 0005 reason: "Detects silent data corruption at cloud scale using resource-adaptive redundant computation, addressing a critical and hard-to-diagnose reliability threat in hyperscale infrastructure."