4 Search Results for "Spinczyk, Olaf"

Document
DOI: 10.4230/DagRep.15.4.1
Disruptive Memory Technologies (Dagstuhl Seminar 25151)

Authors: Haibo Chen, Ada Gavrilovska, Jana Giceva, and Olaf Spinczyk

Published in: Dagstuhl Reports, Volume 15, Issue 4 (2025)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 25151 "Disruptive Memory Technologies". Memory is a central component in every computer system. Hardware evolution has lead to greater capacities and higher speeds, but essential properties of its hardware/software interface have been unchanged for decades: Main memories used to be passive, largely homogeneous, and volatile. These properties are now so firmly anchored in the expectations of software developers that they manifest in their products. However, a wave of innovations is currently shattering these assumptions. In this sense, several new memory technologies are disruptive for the entire software industry. For example, new servers combine "high-bandwidth memory" with classic memory modules and "CXL" enables even more hybrid architectures (non-homogeneous). The "in-/near-memory" computing approaches abandon the Von Neumann architecture and promise huge performance improvements by allowing CPU-independent processing of data objects in or close to the memory (non-passive). Finally, "persistent memory" is available for servers and embedded systems (non-volatile). Overall, the expectations are high. Computers could have lower energy consumption, more performance, improved reliability, and reduced costs. However, from the (system) software perspective it is largely unclear how to use the novel memory technology efficiently. The seminar tackled this problem by discussing the state and potential of disruptive memory technologies, the challenges for system and application software, and important research directions.
Cite as

Haibo Chen, Ada Gavrilovska, Jana Giceva, and Olaf Spinczyk. Disruptive Memory Technologies (Dagstuhl Seminar 25151). In Dagstuhl Reports, Volume 15, Issue 4, pp. 1-27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025)

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@Article{chen_et_al:DagRep.15.4.1,
  author =	{Chen, Haibo and Gavrilovska, Ada and Giceva, Jana and Spinczyk, Olaf},
  title =	{{Disruptive Memory Technologies (Dagstuhl Seminar 25151)}},
  pages =	{1--27},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2025},
  volume =	{15},
  number =	{4},
  editor =	{Chen, Haibo and Gavrilovska, Ada and Giceva, Jana and Spinczyk, Olaf},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.15.4.1},
  URN =		{urn:nbn:de:0030-drops-252581},
  doi =		{10.4230/DagRep.15.4.1},
  annote =	{Keywords: data-centric computing, disaggregated memory, persistent memory (pmem), processing in memory (pim), system software stack}
}
Document
DOI: 10.4230/LITES-v004-i002-a002
EMSBench: Benchmark and Testbed for Reactive Real-Time Systems

Authors: Florian Kluge, Christine Rochange, and Theo Ungerer

Published in: LITES, Volume 4, Issue 2 (2017). Leibniz Transactions on Embedded Systems, Volume 4, Issue 2

Abstract
Benchmark suites for real-time embedded systems (RTES) usually contain only pure computations that are often used in this domain. They allow to evaluate computing performance, but do not reproduce the complexity and behaviour that is typical for such systems. Actual RTES have to interact with the physical environment, which is often reflected by code that is executed concurrently. In this article, we present the software package EMSBench that mimics such complex behaviour, and highlight some of its use cases. The benchmark code ems of EMSBench is based on the open-source engine management system (EMS) FreeEMS. Additionally, EMSBench contains a trace generator (tg) that provides input signals for ems and enables to execute ems close to reality. We provide detailed descriptions of the ems's execution behaviour and of trace generation. EMSBench can be used as test or benchmark program to compare different hardware platforms, e.g. in terms of schedulability. Also, we use EMSBench as a benchmark for static worst-case execution time (WCET) analysis and compare these results to measurements performed on existing hardware. Our results based on the OTAWA WCET estimation tool show WCET overestimations by the static analysis from 11.9% to 41.1% depending on the complexity of the analysed functions.
Cite as

Florian Kluge, Christine Rochange, and Theo Ungerer. EMSBench: Benchmark and Testbed for Reactive Real-Time Systems. In LITES, Volume 4, Issue 2 (2017). Leibniz Transactions on Embedded Systems, Volume 4, Issue 2, pp. 02:1-02:23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@Article{kluge_et_al:LITES-v004-i002-a002,
  author =	{Kluge, Florian and Rochange, Christine and Ungerer, Theo},
  title =	{{EMSBench: Benchmark and Testbed for Reactive Real-Time Systems}},
  journal =	{Leibniz Transactions on Embedded Systems},
  pages =	{02:1--02:23},
  ISSN =	{2199-2002},
  year =	{2017},
  volume =	{4},
  number =	{2},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LITES-v004-i002-a002},
  URN =		{urn:nbn:de:0030-drops-192698},
  doi =		{10.4230/LITES-v004-i002-a002},
  annote =	{Keywords: Real-time benchmark, WCET Analysis, Engine Management System}
}
Document
DOI: 10.4230/DagSemProc.08281.1
08281 Abstracts Collection – Software Engineering for Trailor-made Data Management

Authors: Sven Apel, Don Batory, Goetz Graefe, Gunter Saake, and Olaf Spinczyk

Published in: Dagstuhl Seminar Proceedings, Volume 8281, Software Engineering for Tailor-made Data Management (2008)

Abstract
From July 6th to July 11th, 2008, the Dagstuhl Seminar 08281 ``Software Engineering for Tailor-made Data Management'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Sven Apel, Don Batory, Goetz Graefe, Gunter Saake, and Olaf Spinczyk. 08281 Abstracts Collection – Software Engineering for Trailor-made Data Management. In Software Engineering for Tailor-made Data Management. Dagstuhl Seminar Proceedings, Volume 8281, pp. 1-13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)

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@InProceedings{apel_et_al:DagSemProc.08281.1,
  author =	{Apel, Sven and Batory, Don and Graefe, Goetz and Saake, Gunter and Spinczyk, Olaf},
  title =	{{08281  Abstracts Collection – Software Engineering for Trailor-made Data Management}},
  booktitle =	{Software Engineering for Tailor-made Data Management},
  pages =	{1--13},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2008},
  volume =	{8281},
  editor =	{Sven Apel and Don Batory and Goetz Graefe and Gunter Saake and Olaf Spynczyk},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.08281.1},
  URN =		{urn:nbn:de:0030-drops-15796},
  doi =		{10.4230/DagSemProc.08281.1},
  annote =	{Keywords: Software Engineering, Data Management, Software Product Lines, Embedded Systems}
}
Document
DOI: 10.4230/DagSemProc.08281.2
08281 Executive Summary – Software Engineering for Tailor-made Data Management

Authors: Sven Apel, Don Batory, Goetz Graefe, Gunter Saake, and Olaf Spinczyk

Published in: Dagstuhl Seminar Proceedings, Volume 8281, Software Engineering for Tailor-made Data Management (2008)

Abstract
Tailor-made data management software (DMS) is not only important in the field of embedded systems. DMS that incorporates only features that are required bear the potential to strip down the code base and to improve reliability and maintainability. In the past 20 years several new technologies have emerged that aim at lean, efficient, and well-structured software, which should also be applicable to DMS. In the Dagstuhl Seminar ``Software Engineering for Tailor-made Data Management'', July 6h to July 11th, 2008, 29 researchers from 7 countries discussed the development, application, and assessment of these new technologies in the context of DMS.
Cite as

Sven Apel, Don Batory, Goetz Graefe, Gunter Saake, and Olaf Spinczyk. 08281 Executive Summary – Software Engineering for Tailor-made Data Management. In Software Engineering for Tailor-made Data Management. Dagstuhl Seminar Proceedings, Volume 8281, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)

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@InProceedings{apel_et_al:DagSemProc.08281.2,
  author =	{Apel, Sven and Batory, Don and Graefe, Goetz and Saake, Gunter and Spinczyk, Olaf},
  title =	{{08281 Executive Summary – Software Engineering for Tailor-made Data Management}},
  booktitle =	{Software Engineering for Tailor-made Data Management},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2008},
  volume =	{8281},
  editor =	{Sven Apel and Don Batory and Goetz Graefe and Gunter Saake and Olaf Spynczyk},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.08281.2},
  URN =		{urn:nbn:de:0030-drops-15780},
  doi =		{10.4230/DagSemProc.08281.2},
  annote =	{Keywords: Software Engineering, Data Management, Tailoring, Embedded Systems}
}
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