Our approach effectively eliminates high communication and partitioning overheads, and couples it with a new pipelined push-pull parallelism based execution strategy for fast model training. The symposium emphasizes innovative research as well as quantified or insightful experiences in systems design and implementation. As the emerging trend of graph-based deep learning, Graph Neural Networks (GNNs) excel for their capability to generate high-quality node feature vectors (embeddings). For conference information, see: . Of the 26 submitted artifacts: 26 artifacts received the Artifacts Available badge (100%). Shaghayegh Mardani, UCLA; Ayush Goel, University of Michigan; Ronny Ko, Harvard University; Harsha V. Madhyastha, University of Michigan; Ravi Netravali, Princeton University. We describe PrivateKube, an extension to the popular Kubernetes datacenter orchestrator that adds privacy as a new type of resource to be managed alongside other traditional compute resources, such as CPU, GPU, and memory. Pollux promotes fairness among DL jobs competing for resources based on a more meaningful measure of useful job progress, and reveals a new opportunity for reducing DL cost in cloud environments. Session Chairs: Nadav Amit, VMware Research Group, and Ada Gavrilovska, Georgia Institute of Technology, Stephen Ibanez, Alex Mallery, Serhat Arslan, and Theo Jepsen, Stanford University; Muhammad Shahbaz, Purdue University; Changhoon Kim and Nick McKeown, Stanford University. To remedy this, we introduce DeSearch, the first decentralized search engine that guarantees the integrity and privacy of search results for decentralized services and blockchain apps. Youngseok Yang, Seoul National University; Taesoo Kim, Georgia Institute of Technology; Byung-Gon Chun, Seoul National University and FriendliAI. This fast path contains programmable hardware support for low latency transport and congestion control as well as hardware support for efficient load balancing of RPCs to cores. Log search and log archiving, despite being critical problems, are mutually exclusive. Grand Rapids, Michigan, United States . In the Ethereum network, decentralized Ethereum clients reach consensus through transitioning to the same blockchain states according to the Ethereum specification. Jiang Zhang, University of Southern California; Shuai Wang, HKUST; Manuel Rigger, Pinjia He, and Zhendong Su, ETH Zurich. The program co-chairs will use this information at their discretion to preserve the anonymity of the review process without jeopardizing the outcome of the current OSDI submission. Differential privacy (DP) enables model training with a guaranteed bound on this leakage. We present DPF (Dominant Private Block Fairness) a variant of the popular Dominant Resource Fairness (DRF) algorithmthat is geared toward the non-replenishable privacy resource but enjoys similar theoretical properties as DRF. For instance, FAST 21 and NSDI 21 have author-notification dates after the OSDI 21 abstract-registration deadline. We also welcome work that explores the interface to related areas such as computer architecture, networking, programming languages, analytics, and databases. Our evaluation shows that NrOS scales to 96 cores with performance that nearly always dominates Linux at scale, in some cases by orders of magnitude, while retaining much of the simplicity of a sequential kernel. A.H. Hunter, Jane Street Capital; Chris Kennelly, Paul Turner, Darryl Gove, Tipp Moseley, and Parthasarathy Ranganathan, Google. Papers must be in PDF format and must be submitted via the submission form. Nico Lehmann and Rose Kunkel, UC San Diego; Jordan Brown, Independent; Jean Yang, Akita Software; Niki Vazou, IMDEA Software Institute; Nadia Polikarpova, Deian Stefan, and Ranjit Jhala, UC San Diego. Title Page, Copyright Page, and List of Organizers | The conference papers and full proceedings are available to registered attendees now and will be available to everyone beginning Wednesday, July 14, 2021. Horcrux-compliant web servers perform offline analysis of all the JavaScript code on any frame they serve to conservatively identify, for every JavaScript function, the union of the page state that the function could access across all loads of that page. We argue that a key-value interface between a file system and an SSD is superior to the legacy block interface by presenting KEVIN. We present application studies for 8 applications, improving requests-per-second (RPS) by 7.7% and reducing RAM usage 2.4%. You must not improperly identify a PC member as a conflict if none of these three circumstances applies, even if for some other reason you want to avoid them reviewing your paper. Academic and industrial participants present research and experience papers that cover the full range of theory . GoJournal is implemented in Go, and Perennial is implemented in the Coq proof assistant. The 15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21) will take place as a virtual event on July 14-16, 2021. 1 Acknowledgements: Paper prepared for the post-conference workshop on Food for Thought: Economic Analysis in Anticipation of the Next Farm Bill at the Agricultural and Applied Economics Association annual meeting, Austin, TX . OSDI'20: 14th USENIX Conference on Operating Systems Design and ImplementationNovember 4 - 6, 2020 ISBN: 978-1-939133-19-9 Published: 04 November 2020 Sponsors: ORACLE, VMware, Google Inc., Amazon, Microsoft Get Alerts for this Conference Save to Binder Export Citation Bibliometrics Citation count 96 Downloads (6 weeks) 317 Downloads (12 months) To enable FL developers to interpret their results in model testing, Oort enforces their requirements on the distribution of participant data while improving the duration of federated testing by cherry-picking clients. Precision Conservation: Linking Set-aside and Working Lands Policy We introduce a hybrid cryptographic protocol for privacy-adhering transformations of encrypted data. PLDI seeks outstanding research that extends and/or applies programming-language concepts to advance the field of computing. Proceedings Cover | Only two types of supplementary material are permitted: source code described in the paper and formal proofs sketched in the paper. Sijie Shen, Rong Chen, Haibo Chen, and Binyu Zang, Institute of Parallel and Distributed Systems, Shanghai Jiao Tong University; Shanghai Artificial Intelligence Laboratory; Engineering Research Center for Domain-specific Operating Systems, Ministry of Education, China. The papers will be available online to everyone beginning on the first day of the conference, July 14, 2021. With her students, she had led research in AI, with a focus on robotics and machine learning, having concretely researched and developed a variety of autonomous robots, including teams of soccer robots, and mobile service robots. Submissions violating the detailed formatting and anonymization rules will not be considered for review. Mingyu Li, Jinhao Zhu, and Tianxu Zhang, Institute of Parallel and Distributed Systems, Shanghai Jiao Tong University; Shanghai AI Laboratory; Engineering Research Center for Domain-specific Operating Systems, Ministry of Education, China; Cheng Tan, Northeastern University; Yubin Xia, Institute of Parallel and Distributed Systems, Shanghai Jiao Tong University; Shanghai AI Laboratory; Engineering Research Center for Domain-specific Operating Systems, Ministry of Education, China; Sebastian Angel, University of Pennsylvania; Haibo Chen, Institute of Parallel and Distributed Systems, Shanghai Jiao Tong University; Shanghai AI Laboratory; Engineering Research Center for Domain-specific Operating Systems, Ministry of Education, China. The 20th ACM Workshop on Hot Topics in Networks (HotNets 2021) will bring together researchers in computer networks and systems to engage in a lively debate on the theory and practice of computer networking. EuroSys 2021 PLDI is a premier forum for programming language research, broadly construed, including design, implementation, theory, applications, and performance. This motivates the need for a new approach to data privacy that can provide strong assurance and control to users. Compared to existing baselines, DPF allows training more models under the same global privacy guarantee. Existing decentralized systems like Steemit, OpenBazaar, and the growing number of blockchain apps provide alternatives to existing services. Artifact Evaluation - Systems Research Artifacts will work with the steering committee to ensure that the symposium program will accommodate presentations for all accepted papers. For any further information, please contact the PC chairs: pc-chairs-2022@eurosys.org. Our approach outperforms existing file systems on a block SSD by a wide margin 6.2 on average for metadata-intensive benchmarks. One classical approach is to increase the efficiency of an allocator to minimize the cycles spent in the allocator code. MAGE outperforms the OS virtual memory system by up to an order of magnitude, and in many cases, runs SC computations that do not fit in memory at nearly the same speed as if the underlying machines had unbounded physical memory to fit the entire computation. Sponsored by USENIX in cooperation with ACM SIGOPS. We will look at various problems and approaches, and for each, see if blockchain would help. Pollux is implemented and publicly available as part of an open-source project at https://github.com/petuum/adaptdl. NrOS replicates kernel state on each NUMA node and uses operation logs to maintain strong consistency between replicas. Devices employ adaptive interrupt coalescing heuristics that try to balance between these opposing goals. . The conference papers and full proceedings are available to registered attendees now and will be available to everyone beginning Wednesday, July 14, 2021. 2019 - Present. To resolve the problem, we propose a new LFS-aware ZNS interface, called ZNS+, and its implementation, where the host can offload data copy operations to the SSD to accelerate segment compaction. Ethereum is the second-largest blockchain platform next to Bitcoin. OSDI '22 - HotCRP.com These are hard deadlines, and no extensions will be given. Welcome to the SOSP 2021 Website. Oort Accepted to Appear at OSDI'2021 | Mosharaf Chowdhury We built a functional NFSv3 server, called GoNFS, to use GoJournal. This paper presents Zeph, a system that enables users to set privacy preferences on how their data can be shared and processed. Poor data locality hurts an application's performance. Taking place in Carlsbad, CA from 11-13 July, OSDI is a highly selective flagship conference in computer science, especially on the topic of computer systems. Fluffy found two new consensus bugs in the most popular Geth Ethereum client which were exploitable on the live Ethereum mainnet. It then feeds those invariants and the desired safety properties to an SMT solver to check if the conjunction of the invariants and the safety properties is inductive. When registering your abstract, you must provide information about conflicts with PC members. Submitted papers must be no longer than 12 single-spaced 8.5 x 11 pages, including figures and tables, plus as many pages as needed for references, using 10-point type on 12-point (single-spaced) leading, two-column format, Times Roman or a similar font, within a text block 7 wide x 9 deep. HotNets provides a venue for discussing innovative ideas and for debating future research agendas in networking. Haojie Wang, Jidong Zhai, Mingyu Gao, Zixuan Ma, Shizhi Tang, and Liyan Zheng, Tsinghua University; Yuanzhi Li, Carnegie Mellon University; Kaiyuan Rong and Yuanyong Chen, Tsinghua University; Zhihao Jia, Carnegie Mellon University and Facebook. For more details on the submission process, and for templates to use with LaTeX, Word, etc., authors should consult the detailed submission requirements. To help more profitably utilize sanitizers, we introduce SanRazor, a practical tool aiming to effectively detect and remove redundant sanitizer checks. Existing systems that hide voice call metadata either require trusted intermediaries in the network or scale to only tens of users. Existing algorithms are designed to work well for certain workloads. USENIX ATC '21 - HotCRP.com Consensus bugs are bugs that make Ethereum clients transition to incorrect blockchain states and fail to reach consensus with other clients. Dorylus is up to 3.8 faster and 10.7 cheaper compared to existing sampling-based systems. Starting with small invariant formulas and strongest possible invariants avoids large SMT queries, improving SMT solver performance. In particular, I'll argue for re-engaging with what computer hardware really is today and give two suggestions (among many) about how the OS research community can usefully do this, and exploit what is actually a tremendous opportunity. At a high level, Addra follows a template in which callers and callees deposit and retrieve messages from private mailboxes hosted at an untrusted server. The 15th USENIX Symposium on Operating Systems Design and Implementation seeks to present innovative, exciting research in computer systems. Copyright to the individual works is retained by the author[s]. Yuke Wang, Boyuan Feng, Gushu Li, Shuangchen Li, Lei Deng, Yuan Xie, and Yufei Ding, University of California, Santa Barbara. Although SSDs can be simplified under the current ZNS interface, its counterpart LFS must bear segment compaction overhead. To evaluate the security guarantees of Storm, we build a formally verified reference implementation using the Labeled IO (LIO) IFC framework. However, existing enclave designs fail to meet the requirements of scalability demanded by new scenarios like serverless computing, mainly due to the limitations in their secure memory protection mechanisms, including static allocation, restricted capacity and high-cost initialization. Paper Submission Information All submissions must be received by 11:59 PM AoE (UTC-12) on the day of the corresponding deadline. There is no explicit limit to the response, but authors are strongly encouraged to keep it under 500 words; reviewers are neither required nor expected to read excessively long responses. If you are uncertain about how to anonymize your submission, please contact the program co-chairs, osdi21chairs@usenix.org, well in advance of the submission deadline. Kernel code requires manual memory management and type-unsafe code and must efficiently handle complex, asynchronous events. HotCRP.com signin Sign in using your HotCRP.com account. Therefore, developers typically find data locality issues via dynamic profiling and repair them manually. Because DistAI starts with the strongest possible invariants, if the SMT solver fails, DistAI does not need to discard failed invariants, but knows to monotonically weaken them and try again with the solver, repeating the process until it eventually succeeds. Welcome to the 16th USENIX Symposium on Operating Systems Design and Implementation (OSDI '22) submissions site. We also verified a simple NFS server using GoJournals specs, which confirms that they are helpful for application verification: a significant part of the proof doesnt have to consider concurrency and crashes. News Baris Kasikci's Home Page - Electrical Engineering and Computer This is the first OSDI in an odd year as OSDI moves to a yearly cadence. Prepublication versions of the accepted papers from the summer submission deadline are available below. Han Meng - Research Assistant - Michigan State University | LinkedIn Yet, existing efforts randomly select FL participants, which leads to poor model and system efficiency. J.P. Morgan AI Research partners with applied data analytics teams across the firm as well as with leading academic institutions globally. In this paper, we show how to address this inefficiency without requiring pages to be rewritten or browsers to be modified. Upon these two primitives, our system can scale to thousands of concurrent enclaves with high resource utilization and eliminate the high-cost initialization of secure memory using fork-style enclave creation without weakening the security guarantees. Authors may upload supplementary material in files separate from their submissions. Kirk Rodrigues, Yu Luo, and Ding Yuan, University of Toronto and YScope Inc. Widely used log-search tools like Elasticsearch and Splunk Enterprise index the logs to provide fast search performance, yet the size of the index is within the same order of magnitude as the raw log size. Zeph enforces privacy policies cryptographically and ensures that data available to third-party applications complies with users' privacy policies. Alas, existing profiling techniques incur high overhead when used to identify data locality problems and cannot be deployed in production, where programs may exhibit previously-unseen performance problems. Leveraging these information, Pollux dynamically (re-)assigns resources to improve cluster-wide goodput, while respecting fairness and continually optimizing each DL job to better utilize those resources. We also show that Marius can scale training to datasets an order of magnitude beyond a single machine's GPU and CPU memory capacity, enabling training of configurations with more than a billion edges and 550 GB of total parameters on a single machine with 16 GB of GPU memory and 64 GB of CPU memory. Authors of each accepted paper must ensure that at least one author registers for the conference, and that their paper is presented in-person at the conference. She has a PhD in computer science from MIT. USENIX new Date().getFullYear()>document.write(new Date().getFullYear()); Grants for Black Computer Science Students Application, Title Page, Copyright Page, and List of Organizers, OSDI '21 Proceedings Interior (PDF, best for mobile devices). Hence, CLP enables efficient search and analytics on archived logs, something that was impossible without it. When further combined with a simple caching strategy, our evaluation shows that P3 is able to outperform existing state-of-the-art distributed GNN frameworks by up to 7. We built an FPGA prototype of the nanoPU fast path by modifying an open-source RISC-V CPU, and evaluated its performance using cycle-accurate simulations on AWS FPGAs. We present the results of a 1% experiment at fleet scale as well as the longitudinal rollout in Googles warehouse scale computers. We propose a new framework for computing the embeddings of large-scale graphs on a single machine. This kernel is scaled across NUMA nodes using node replication, a scheme inspired by state machine replication in distributed systems. If you have any questions about conflicts, please contact the program co-chairs. Mothy's current research centers on Enzian, a powerful hybrid CPU/FPGA machine designed for research into systems software. Web pages today commonly include large amounts of JavaScript code in order to offer users a dynamic experience. This is unfortunate because good OS design has always been driven by the underlying hardware, and right now that hardware is almost unrecognizable from ten years ago, let alone from the 1960s when Unix was written. SOSP 2021 - Symposium on Operating Systems Principles In this paper, we propose a software-hardware co-design to support dynamic, fine-grained, large-scale secure memory as well as fast-initialization. Main conference program: 5-8 April 2022. Lukas Burkhalter, Nicolas Kchler, Alexander Viand, Hossein Shafagh, and Anwar Hithnawi, ETH Zrich. DistAI: Data-Driven Automated Invariant Learning for Distributed Protocols Jianan Yao, Runzhou Tao, Ronghui Gu, Jason Nieh . OSDI'21 accepted 31 papers and 26 papers participated in the AE, a significant increase in the participate ratio: 84%, compared to OSDI'20 (70%) and SOSP'19 (61%). The file system performance of the proposed ZNS+ storage system was 1.33--2.91 times better than that of the normal ZNS-based storage system. We have implemented a prototype of our design based on Penglai, an open-sourced enclave system for RISC-V. She also has made contributions in network security, including scalable data expiration, distributed algorithms despite malicious participants, and DDOS prevention techniques. The biennial ACM Symposium on Operating Systems Principles is the world's premier forum for researchers, developers, programmers, vendors and teachers of operating system technology. Moreover, to handle dynamic workloads, Nap adopts a fast NAL switch mechanism. All deadline times are 23:59 hrs UTC. Secure Computation (SC) is a family of cryptographic primitives for computing on encrypted data in single-party and multi-party settings. OSDI is "a premier forum for discussing the design, implementation, and implications of systems software." A total of six research papers from the department were accepted to the . Our evaluation on the SPEC benchmarks shows that SanRazor can reduce the overhead of sanitizers significantly, from 73.8% to 28.062.0% for AddressSanitizer, and from 160.1% to 36.6124.4% for UndefinedBehaviorSanitizer (depending on the applied reduction scheme). Password VLDB 2021 - 47th International Conference on Very Large Data Bases Some recent schedulers choose job resources for users, but do so without awareness of how DL training can be re-optimized to better utilize the provided resources. Table of Contents | A significant obstacle to using SC for practical applications is the memory overhead of the underlying cryptography. Report - Systems Research Artifacts Software Systems Laboratory Wins Best Paper Awards at the OSDI and Samantha Vaive - Member Board Of Trustees - Lansing Community College Papers so short as to be considered extended abstracts will not receive full consideration. 64 papers accepted out of 341 submitted. Based on this observation, P3 proposes a new approach for distributed GNN training. Petuum Awarded OSDI 2021 Best Paper for Goodput-Optimized Deep Learning Please identify yourself as a presenter and include your mailing address in your email. Erhu Feng, Xu Lu, Dong Du, Bicheng Yang, and Xueqiang Jiang, Institute of Parallel and Distributed Systems, Shanghai Jiao Tong University; Engineering Research Center for Domain-specific Operating Systems, Ministry of Education, China; Yubin Xia, Binyu Zang, and Haibo Chen, Institute of Parallel and Distributed Systems, Shanghai Jiao Tong University; Shanghai AI Laboratory; Engineering Research Center for Domain-specific Operating Systems, Ministry of Education, China. Lifting predicates and crash framing make the specification easy to use for developers, and logically atomic crash specifications allow for modular reasoning in GoJournal, making the proof tractable despite complex concurrency and crash interleavings. A hardware-accelerated thread scheduler makes sub-nanosecond decisions, leading to high CPU utilization and low tail response time for RPCs. The NAL eliminates remote PM accesses to hot items without inducing extra local PM accesses. If the conference registration fee will pose a hardship for the presenter of the accepted paper, please contact conference@usenix.org. Hence, kernel developers are constantly refining synchronization within OS kernels to improve scalability at the risk of introducing subtle bugs. Metadata from voice calls, such as the knowledge of who is communicating with whom, contains rich information about peoples lives. Computation separation makes it possible to construct a deep, bounded-asynchronous pipeline where graph and tensor parallel tasks can fully overlap, effectively hiding the network latency incurred by Lambdas. For conference information, . His work has included the Barrelfish multikernel research OS, as well as work on distributed stream processors, and using formal specifications to describe the hardware/software interfaces of modern computer systems. She also invented the spanning tree algorithm, which transformed Ethernet from a technology that supported a few hundred nodes, to something that can support large networks. Our evaluation shows that DistAI successfully verifies 13 common distributed protocols automatically and outperforms alternative methods both in the number of protocols it verifies and the speed at which it does so, in some cases by more than two orders of magnitude. In this paper, we present Vegito, a distributed in-memory HTAP system that embraces freshness and performance with the following three techniques: (1) a lightweight gossip-style scheme to apply logs on backups consistently; (2) a block-based design for multi-version columnar backups; (3) a two-phase concurrent updating mechanism for the tree-based index of backups. These results outperform state-of-the-art HTAP systems by several orders of magnitude on transactional performance, while just incurring little performance slowdown (5% over pure OLTP workloads) and still enjoying data freshness for analytical queries (less than 20 ms of maximum delay) in the failure-free case. The chairs will review paper conflicts to ensure the integrity of the reviewing process, adding or removing conflicts if necessary. Academic and industrial participants present research and experience papers that cover the full range of theory and practice of computer . We develop MAGE, an execution engine for SC that efficiently runs SC computations that do not fit in memory. Message from the Program Co-Chairs. We identify that current systems for learning the embeddings of large-scale graphs are bottlenecked by data movement, which results in poor resource utilization and inefficient training. Distributed systems are notoriously hard to implement correctly due to non-determinism. Paper abstracts and proceedings front matter are available to everyone now.