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RTSS
2015
IEEE
3 years 9 months ago
Precise Multi-level Inclusive Cache Analysis for WCET Estimation
Abstract—Multi-level inclusive caches are often used in multicore processors to simplify the design of cache coherence protocol. However, the use of such cache hierarchies poses ...
Zhenkai Zhang, Xenofon D. Koutsoukos
RTSS
2015
IEEE
3 years 9 months ago
Quantifying the Exact Sub-optimality of Non-preemptive Scheduling
—Fixed priority scheduling is used in many real-time systems; however, both preemptive and non-preemptive variants (FP-P and FP-NP) are known to be sub-optimal when compared to a...
Robert I. Davis, Abhilash Thekkilakattil, Oliver G...
RTSS
2015
IEEE
3 years 9 months ago
Schedulability Analysis under Graph Routing in WirelessHART Networks
—Wireless sensor-actuator networks are gaining ground as the communication infrastructure for process monitoring and control. Industrial applications demand a high degree of reli...
Abusayeed Saifullah, Dolvara Gunatilaka, Paras Bab...
RTSS
2015
IEEE
3 years 9 months ago
SounDroid: Supporting Real-Time Sound Applications on Commodity Mobile Devices
—A variety of advantages from sounds such as measurement and accessibility introduces a new opportunity for mobile applications to offer broad types of interesting, valuable func...
Hyosu Kim, Sang Jeong Lee, Wookhyun Han, Daehyeok ...
RTSS
2015
IEEE
3 years 9 months ago
Data Acquisition for Real-Time Decision-Making under Freshness Constraints
—The paper describes a novel algorithm for timely sensor data retrieval in resource-poor environments under freshness constraints. Consider a civil unrest, national security, or ...
Shaohan Hu, Shuochao Yao, Haiming Jin, Yiran Zhao,...
RTSS
2015
IEEE
3 years 9 months ago
Qduino: A Multithreaded Arduino System for Embedded Computing
—Arduino is an open source platform that offers a clear and simple environment for physical computing. It is now widely used in modern robotics and Internet of Things (IoT) appli...
Zhuoqun Cheng, Ye Li, Richard West
RTSS
2015
IEEE
3 years 9 months ago
When Is CAN the Weakest Link? A Bound on Failures-in-Time in CAN-Based Real-Time Systems
—A method to bound the Failures In Time (FIT) rate of a CAN-based real-time system, i.e., the expected number of failures in one billion operating hours, is proposed. The method ...
Arpan Gujarati, Björn B. Brandenburg
RTSS
2015
IEEE
3 years 9 months ago
Uniprocessor Feasibility of Sporadic Tasks Remains coNP-Complete under Bounded Utilization
—A central problem in real-time scheduling theory is to decide whether a sporadic task system with constrained deadlines is feasible on a preemptive uniprocessor. It is known tha...
Pontus Ekberg, Wang Yi 0001
RTSS
2015
IEEE
3 years 9 months ago
Relaxing Resource-Sharing Constraints for Improved Hardware Management and Schedulability
Modern computer architectures, particularly multicore systems, include shared hardware resources such as caches and interconnects that introduce timing-interference channels. Unma...
Bryan C. Ward
RTSS
2015
IEEE
3 years 9 months ago
A Quadratic-Time Response Time Upper Bound with a Tightness Property
—The response time analysis (RTA) is one of the fundamental tools used to guarantee the schedulability of sets of real-time tasks scheduled by Fixed Priorities. Also, several ana...
Enrico Bini, Andrea Parri, Giacomo Dossena
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