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 . Sat, Aug 7, 2021 3 min read researches review. As a result, the design of a file system with respect to space management and crash consistency is simplified, requiring only 10.8K LOC for full functionality. Tao Luo, Mingen Pan, Pierre Tholoniat, Asaf Cidon, and Roxana Geambasu, Columbia University; Mathias Lcuyer, Microsoft Research. Currently, for large graphs, CPU servers offer the best performance-per-dollar over GPU servers. Title Page, Copyright Page, and List of Organizers | DeSearch then introduces a witness mechanism to make sure the completed tasks can be reused across different pipelines, and to make the final search results verifiable by end users. The abstractions we design for the privacy resource mirror those defined by Kubernetes for traditional resources, but there are also major differences. SOSP 2021 - Symposium on Operating Systems Principles To evaluate the security guarantees of Storm, we build a formally verified reference implementation using the Labeled IO (LIO) IFC framework. SanRazor adopts a novel hybrid approach it captures both dynamic code coverage and static data dependencies of checks, and uses the extracted information to perform a redundant check analysis. Based on this observation, P3 proposes a new approach for distributed GNN training. Instead of choosing among a small number of known algorithms, our approach searches in a "policy space" of fine-grained actions, resulting in novel algorithms that can outperform existing algorithms by specializing to a given workload. Distributed Trust: Is Blockchain the answer? Prepublication versions of the accepted papers from the summer submission deadline are available below. Last year, 70% of accepted OSDI papers participated in the . Zeph enforces privacy policies cryptographically and ensures that data available to third-party applications complies with users' privacy policies. Qing Wang, Youyou Lu, Junru Li, and Jiwu Shu, Tsinghua University. Second, Fluffy uses multiple existing Ethereum clients that independently implement the specification as cross-referencing oracles. Secure Computation (SC) is a family of cryptographic primitives for computing on encrypted data in single-party and multi-party settings. Welcome to the 15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21) submissions site. The device then "calibrates" its interrupts to completions of latency-sensitive requests. Researchers from the Software Systems Laboratory bagged a Best Paper Award at the 16th USENIX Symposium on Operating Systems Design and Implementation (OSDI 2021). We introduce a hybrid cryptographic protocol for privacy-adhering transformations of encrypted data. 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. Samantha Vaive - Member Board Of Trustees - Lansing Community College Collaboration: You have a collaboration on a project, publication, grant proposal, program co-chairship, or editorship within the past two years (December 2018 through March 2021). The conference papers and full proceedings are available to registered attendees now and will be available to everyone beginning Wednesday, July 14, 2021. Compared to a state-of-the-art fuzzer, Fluffy improves the fuzzing throughput by 510 and the code coverage by 2.7 with various optimizations: in-process fuzzing, fuzzing harnesses for Ethereum clients, and semantic-aware mutation that reduces erroneous test cases. The conference papers and full proceedings are available to registered attendees now and will be available to everyone beginning Wednesday, July 14, 2021. Responses should be limited to clarifying the submitted work. Second, GNNAdvisor implements a novel and highly-efficient 2D workload management tailored for GNN computation to improve GPU utilization and performance under different application settings. Professor Veloso has been recognized with a multiple honors, including being a Fellow of the ACM, IEEE, AAAS, and AAAI. 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. Mothy received a PhD in 1995 from the Computer Laboratory of the University of Cambridge, where he was a principal designer and builder of the Nemesis OS. Overall, the OSDI PC accepted 31 out of 165 submissions. Typically, monolithic kernels share state across cores and rely on one-off synchronization patterns that are specialized for each kernel structure or subsystem. Furthermore, to enable automatic runtime optimization, GNNAdvisor incorporates a lightweight analytical model for an effective design parameter search. Software Systems Laboratory Wins Best Paper Award at OSDI 2022 Although the number of submissions is lower than the past, it's likely only due to the late announcement; being in my first OSDI PC, I think the quality of the submitted and accepted papers remains as high as ever. Concurrency control algorithms are key determinants of the performance of in-memory databases. Han Meng - Research Assistant - Michigan State University | LinkedIn Editor in charge: Daniel Petrolia . Call for Papers - EuroSys 2022 This yielded 6% fewer TLB miss stalls, and 26% reduction in memory wasted due to fragmentation. She has a PhD in computer science from MIT. Submission of a response is optional. Authors should email the program co-chairs, osdi21chairs@usenix.org, a copy of the related workshop paper and a short explanation of the new material in the conference paper beyond that published in the workshop version. 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%). 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. 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. The OSDI '21 program co-chairs have agreed not to submit their work to OSDI '21. As has been standard practice in OSDI and SOSP in recent years, we will allow authors to submit quick responses to PC reviews: they will be made available to the PC before the final online discussion and PC meeting. First, it enables a caller to push a message to a callee in two hops, using a new way of assigning mailboxes to users that resembles how a post office assigns PO boxes to its customers. Machine learning (ML) models trained on personal data have been shown to leak information about users. She is the author of the textbook Interconnections (about network layers 2 and 3) and coauthor of Network Security. In this paper, we propose a software-hardware co-design to support dynamic, fine-grained, large-scale secure memory as well as fast-initialization. Poor data locality hurts an application's performance. However, with the increasingly speedy transactions and queries thanks to large memory and fast interconnect, commodity HTAP systems have to make a tradeoff between data freshness and performance degradation. We present application studies for 8 applications, improving requests-per-second (RPS) by 7.7% and reducing RAM usage 2.4%. JEL codes: Q18, Q28, Q57 . Jason Mohoney and Roger Waleffe, University of WisconsinMadison; Henry Xu, University of Maryland, College Park; Theodoros Rekatsinas and Shivaram Venkataraman, University of WisconsinMadison. In contrast, CLP achieves significantly higher compression ratio than all commonly used compressors, yet delivers fast search performance that is comparable or even better than Elasticsearch and Splunk Enterprise. blk-switch evaluation over a variety of scenarios shows that it consistently achieves s-scale average and tail latency (at both 99th and 99.9th percentiles), while allowing applications to near-perfectly utilize the hardware capacity. High-performance tensor programs are critical for efficiently deploying deep neural network (DNN) models in real-world tasks. Evaluations show that Vegito can perform 1.9 million TPC-C NewOrder transactions and 24 TPC-H-equivalent queries per second simultaneously, which retain the excellent performance of specialized OLTP and OLAP counterparts (e.g., DrTM+H and MonetDB). Papers not meeting these criteria will be rejected without review, and no deadline extensions will be granted for reformatting. Today, privacy controls are enforced by data curators with full access to data in the clear. Sanitizers detect unsafe actions such as invalid memory accesses by inserting checks that are validated during a programs execution. Kernel code requires manual memory management and type-unsafe code and must efficiently handle complex, asynchronous events. SOSP Conference - Home - ACM Digital Library Only two types of supplementary material are permitted: source code described in the paper and formal proofs sketched in the paper. This budget is a scarce resource that must be carefully managed to maximize the number of successfully trained models. We particularly encourage contributions containing highly original ideas, new approaches, and/or groundbreaking results. However, a plethora of recent data breaches show that even widely trusted service providers can be compromised. HotNets provides a venue for discussing innovative ideas and for debating future research agendas in networking. PLDI 2019 - PLDI Research Papers - PLDI 2019 - SIGPLAN 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. This talk will discuss several examples with very different solutions. 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. 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. 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. 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. We build Polyjuice based on our learning framework and evaluate it against several existing algorithms. Instead, we propose addressing the root cause of the heuristics problem by allowing software to explicitly specify to the device if submitted requests are latency-sensitive. She developed the technology for making network routing self-stabilizing, largely self-managing, and scalable. Swapnil Gandhi and Anand Padmanabha Iyer, Microsoft Research. This approach misses possible optimization opportunities as transformations that only preserve equivalence on subsets of the output tensors are excluded. Second, it innovates on the underlying cryptographic machinery and constructs a new private information retrieval scheme, FastPIR, that reduces the time to process oblivious access requests for mailboxes. Used Zotero to organize papers about the stress and diffusion between anode and electrolyte and made a summary . Pages should be numbered, and figures and tables should be legible in black and white, without requiring magnification. 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). Precision Conservation: Linking Set-aside and Working Lands Policy We implemented the ZNS+ SSD at an SSD emulator and a real SSD. Password To this end, we propose GNNAdvisor, an adaptive and efficient runtime system to accelerate various GNN workloads on GPU platforms. CLP's gains come from using a tuned, domain-specific compression and search algorithm that exploits the significant amount of repetition in text logs. We conclude with a discussion of additional techniques for improving the allocator development process and potential optimization strategies for future memory allocators. Accepted paper for Luo Mai at OSDI 22 | InfWeb PLDI is a premier forum for programming language research, broadly construed, including design, implementation, theory, applications, and performance. We evaluate PrivateKube and DPF on microbenchmarks and an ML workload on Amazon Reviews data. All deadline times are 23:59 hrs UTC. These scripts often make pages slow to load, partly due to a fundamental inefficiency in how browsers process JavaScript content: browsers make it easy for web developers to reason about page state by serially executing all scripts on any frame in a page, but as a result, fail to leverage the multiple CPU cores that are readily available even on low-end phones. Based on the observation that real-world workloads always feature skewed access patterns, Nap introduces a NUMA-aware layer (NAL) on the top of existing concurrent PM indexes, and steers accesses to hot items to this layer. We develop rigorous theoretical foundations to simplify equivalence examination and correction for partially equivalent transformations, and design an efficient search algorithm to quickly discover highly optimized programs by combining fully and partially equivalent optimizations at the tensor, operator, and graph levels. We will look at various problems and approaches, and for each, see if blockchain would help. OSDI will provide an opportunity for authors to respond to reviews prior to final consideration of the papers at the program committee meeting. As increasingly more sensitive data is being collected to gain valuable insights, the need to natively integrate privacy controls in data analytics frameworks is growing in importance. 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. Finding the inductive invariant of the distributed protocol is a critical step in verifying the correctness of distributed systems, but takes a long time to do even for simple protocols. We have made Fluffy publicly available at https://github.com/snuspl/fluffy to contribute to the security of Ethereum. People often assume that blockchain has Byzantine robustness, so adding it to any system will make that system super robust against any calamity. Writing a correct operating system kernel is notoriously hard. Although SSDs can be simplified under the current ZNS interface, its counterpart LFS must bear segment compaction overhead. 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. DistAI: Data-Driven Automated Invariant Learning for Distributed Protocols Jianan Yao, Runzhou Tao, Ronghui Gu, Jason Nieh . Timothy Roscoe is a Full Professor in the Systems Group of the Computer Science Department at ETH Zurich, where he works on operating systems, networks, and distributed systems, and is currently head of department. We propose PET, the first DNN framework that optimizes tensor programs with partially equivalent transformations and automated corrections. This paper describes the design, implementation, and evaluation of Addra, the first system for voice communication that hides metadata over fully untrusted infrastructure and scales to tens of thousands of users. OSDI brings together professionals from academic and industrial backgrounds in a premier forum for discussing the design, implementation, and implications of systems software. The key to our solution, Horcrux, is to account for the non-determinism intrinsic to web page loads and the constraints placed by the browsers API for parallelism. Lukas Burkhalter, Nicolas Kchler, Alexander Viand, Hossein Shafagh, and Anwar Hithnawi, ETH Zrich. AI enables principled representation of knowledge, complex strategy optimization, learning from data, and support to human decision making. Prior or concurrent workshop publication does not preclude publishing a related paper in OSDI. Important Dates Abstract registrations due: Thursday, December 3, 2020, 3:00 pm PST Complete paper submissions due: Thursday, December 10, 2020, 3:00pm PST Author Response Period 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. For example, talks may be shorter than in prior years, or some parts of the conference may be multi-tracked. Reviews will be available for response on Wednesday, March 3, 2021. In this talk, I'll speculate on how we came to this unfortunate state of affairs, and what might be done to fix it. 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. OSDI '22 Technical Sessions | USENIX USENIX ATC '21 - HotCRP.com An evaluation of Addra on a cluster of 80 machines on AWS demonstrates that it can serve 32K users with a 99-th percentile message latency of 726 msa 7 improvement over a prior system for text messaging in the same threat model. Indeed, it is a prime target for powerful adversaries such as nation states. For general conference information, see https://www . 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. PC members are not required to read supplementary material when reviewing the paper, so each paper should stand alone without it. 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). Using selective profiling, we build DMon, a system that can automatically locate data locality problems in production, identify access patterns that hurt locality, and repair such patterns using targeted optimizations. The biennial ACM Symposium on Operating Systems Principles is the world's premier forum for researchers, developers, programmers, and teachers of computer systems technology. USENIX, like other scientific and technical conferences and journals, prohibits these practices and may, on the recommendation of a program chair, take action against authors who have committed them. 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. Please identify yourself as a presenter and include your mailing address in your email. Further, Vegito can recover from cascading machine failures by using the columnar backup in less than 60 ms. USENIX Security '21 Summer Accepted Papers | USENIX A glance at this year's OSDI program shows that Operating Systems are a small niche topic for this conference, not even meriting their own full session. If you have any questions about conflicts, please contact the program co-chairs. Authors may upload supplementary material in files separate from their submissions. OSDI '21 Technical Sessions All the times listed below are in Pacific Daylight Time (PDT). She has been recognized with many industry honors including induction into the National Academy of Engineering, the Inventor Hall of Fame, The Internet Hall of Fame, Washington State Academy of Science, and lifetime achievement awards from USENIX and SIGCOMM. When registering your abstract, you must provide information about conflicts with PC members.

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