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- research-articleMarch 2021
Precise Cache Profiling for Studying Radiation Effects
ACM Transactions on Embedded Computing Systems (TECS), Volume 20, Issue 3Article No.: 25, Pages 1–25https://doi.org/10.1145/3442339Increased access to space has led to an increase in the usage of commodity processors in radiation environments. These processors are vulnerable to transient faults such as single event upsets that may cause bit-flips in processor components. Caches in ...
- research-articleDecember 2020
Sledge: a Serverless-first, Light-weight Wasm Runtime for the Edge
Middleware '20: Proceedings of the 21st International Middleware ConferenceDecember 2020, Pages 265–279https://doi.org/10.1145/3423211.3425680Emerging IoT applications with real-time latency constraints require new data processing systems operating at the Edge. Serverless computing offers a new compelling paradigm, where a user can execute a small application without handling the operational ...
- research-articleDecember 2013
Predictable and configurable component-based scheduling in the Composite OS
ACM Transactions on Embedded Computing Systems (TECS), Volume 13, Issue 1sArticle No.: 32, Pages 1–26https://doi.org/10.1145/2536747.2536754This article presents the design of user-level scheduling hierarchies in the Composite component-based system. The motivation for this is centered around the design of a system that is both dependable and predictable, and which is configurable to the ...
- ArticleDecember 2013
Predictable, Efficient System-Level Fault Tolerance in C^3
RTSS '13: Proceedings of the 2013 IEEE 34th Real-Time Systems SymposiumDecember 2013, Pages 21–32https://doi.org/10.1109/RTSS.2013.11Predictable reliability is an increasingly important aspect of embedded and real-time systems. This includes the ability to recover from unknown faults in a manner that maintains system timing guarantees, even when these faults occur within system ...
- research-articleDecember 2013
Toward predictable, efficient, system-level tolerance of transient faults
ACM SIGBED Review (SIGBED), Volume 10, Issue 4December 2013, Pages 53–56https://doi.org/10.1145/2583687.2583700As embedded and real-time systems increase in complexity, and as chip process technologies continually decrease feature size, transient faults increasingly threaten system failure. This paper introduces C3, an system to tolerate system-level faults (e.g...
- research-articleOctober 2012
Shared hardware data structures for hard real-time systems
EMSOFT '12: Proceedings of the tenth ACM international conference on Embedded softwareOctober 2012, Pages 133–142https://doi.org/10.1145/2380356.2380382Hardware support can reduce the time spent operating on data structures by exploiting circuit-level parallelism. Such hardware data structures (HWDSs) can reduce the latency and jitter of data structure operations, which can benefit real-time systems by ...
- ArticleNovember 2011
Execution Stack Management for Hard Real-Time Computation in a Component-Based OS
RTSS '11: Proceedings of the 2011 IEEE 32nd Real-Time Systems SymposiumNovember 2011, Pages 78–89https://doi.org/10.1109/RTSS.2011.15In addition to predictability, both reliability and security constraints are increasingly important. Mixed criticality, and open real-time systems execute software of different certification and trust levels. To limit the scope of errant behavior in ...
- research-articleMay 2011
Application-specific service technologies for commodity operating systems in real-time environments
ACM Transactions on Embedded Computing Systems (TECS), Volume 10, Issue 3Article No.: 30, Pages 1–21https://doi.org/10.1145/1952522.1952523In order to eliminate the costs of proprietary systems and special purpose hardware, many real-time and embedded computing platforms are being built on commodity operating systems and generic hardware. Unfortunately, many such systems are ill-suited to ...
- ArticleDecember 2007
Mutable Protection Domains: Towards a Component-Based System for Dependable and Predictable Computing
RTSS '07: Proceedings of the 28th IEEE International Real-Time Systems SymposiumDecember 2007, Pages 365–378https://doi.org/10.1109/RTSS.2007.31The increasing complexity of software poses significant challenges for real-time and embedded systems beyond those based purely on timeliness. With embedded sys- tems and applications running on everything from mobile phones, PDAs, to automobiles, ...
- ArticleApril 2007
Hijack: Taking Control of COTS Systems for Real-Time User-Level Services
RTAS '07: Proceedings of the 13th IEEE Real Time and Embedded Technology and Applications SymposiumApril 2007, Pages 133–146https://doi.org/10.1109/RTAS.2007.14This paper focuses on a technique to empower commercial-off-the-shelf (COTS) systems with an execution environment, and corresponding services, to support realtime and embedded applications. By leveraging COTS systems, we are able to reduce the ...