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Using Hypervisor Technology for Safe and Secure Deployment of High-Performance Multicore Platforms in Future Vehicles

Publikováno v: ICECS

Future in-car applications such as autonomous driving call for the use of multicore system-on-chips (SoCs) together with powerful hardware accelerators. Hypervisor technologies offer the opportunity to partition such platforms and efficiently orchest

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c7e2d18ed49655b1e85922045c41fac
https://doi.org/10.1109/icecs46596.2019.8964912

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Generalized finitary real-time calculus

Autor: Wang Yi, Nan Guan, Jens B. Schmitt, Steffen Bondorf, Kai Lampka

Publikováno v: INFOCOM

Real-time Calculus (RTC) is a non-stochastic queuing theory to the worst-case performance analysis of distributed real-time systems. Workload as well as resources are modelled as piece-wise linear, pseudo-periodic curves and the system under investig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce5cd5a977fabc29310b00e108e3eec2
https://doi.org/10.1109/infocom.2017.8056981

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Conformance testing for cyber-physical systems

Autor: Lothar Thiele, Matthias Woehrle, Kai Lampka

Publikováno v: ACM Transactions on Embedded Computing Systems. 11:1-23

Cyber-Physical Systems (CPS) require a high degree of reliability and robustness. Hence it is important to assert their correctness with respect to extra-functional properties, like power consumption, temperature, etc. In turn the physical quantities

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b4d5d0a3a6e2c6decf0a317d7380c6e
https://doi.org/10.1145/2362336.2362351

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An Online Overclocking Scheme for Bursty Real-time Tasks and an Evaluation of its Thermal Impact

Autor: Vasileios Spiliopoulos, Kai Lampka, Björn Forsberg

Publikováno v: ESTImedia

This paper proposes a scheme which drives a processor beyond its rated operation frequency, e. g., by exploiting Intel’s boost technology, to digest the peak workload of the system in time. In the setting of deadline constrained workloads, this is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9499212c0d20e0dcba2f403b692a705
https://doi.org/10.1145/2993452.2993568

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Achieving Efficiency without Sacrificing Model Accuracy: Network Calculus on Compact Domains

Autor: Kai Lampka, Jens B. Schmitt, Steffen Bondorf

Publikováno v: MASCOTS

Messages traversing a network commonly experience waiting times due to sharing the forwarding resources. During those times, the crossed systems must provide sufficient buffer space for queueing messages. Network Calculus (NC) is a mathematical metho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf6237ddd876ebf93ecf05b679e4423c
https://doi.org/10.1109/mascots.2016.9

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Modeling and verification of dynamic command scheduling for real-time memory controllers

Autor: Kai Lampka, Benny Akesson, Yonghui Li, Kees Goossens

Publikováno v: 2016 IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS), 11-14 April 2016, Vienna, Austria, 1-12
STARTPAGE=1;ENDPAGE=12;TITLE=2016 IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS), 11-14 April 2016, Vienna, Austria
RTAS

In modern multi-core systems with multiple real-time (RT) applications, memory traffic accessing the shared SDRAM is increasingly diverse, e.g., transactions have variable sizes. RT memory controllers with dynamic command scheduling can efficiently a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7018421dabf41c68fe6c017856c072a0
http://www.scopus.com/inward/record.url?scp=84971215721&partnerID=8YFLogxK

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Improving Performance by Monitoring While Maintaining Worst-Case Guarantees

Autor: Wang Yi, Syed Md Jakaria Abdullah, Kai Lampka

Publikováno v: DATE

With real-time systems, feasibility analysis is based on worst-case scenarios. At run-time, worst-case situations are often very unlikely to occur. With the system being dimensioned for the worst-case, one faces low resource utilization and implicit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3b1de55f7edd0002e966952e9eb4bf4
https://doi.org/10.3850/9783981537079_0739

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Resolving Contention for Networks-on-Chips: Combining Time-Triggered Application Scheduling with Dynamic Budgeting of Memory Bus Use

Autor: Kai Lampka, Adam Lackorzynski

Publikováno v: Measurement, Modelling and Evaluation of Dependable Computer and Communication Systems ISBN: 9783319315584
MMB/DFT

One of the challenges for the design of integrated real-time systems deployed on modern multicore architectures is the finding of system configurations where all applications are guaranteed to complete their computations prior to their individual dea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e208e2dd0ffe55ea5fcebe38e29aebec
https://doi.org/10.1007/978-3-319-31559-1_12

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Keep It Slow and in Time: Online DVFS with Hard Real-Time Workloads

Autor: Kai Lampka, Bjorn Forsberg

Publikováno v: DATE

To handle hot spots or power shortages, modern multicore processors are equipped with a supervisory dynamic thermal and power management (DTPM) system. When necessary, the DTPM system autonomously adapts the capacity of the cooling system or throttle

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b760afad0354766ddb3d0ca325d5160
https://doi.org/10.3850/9783981537079_0246

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