3 Search Results for "Mosse, Daniel"

Document
DOI: 10.4230/DagRep.12.8.31
Power and Energy-Aware Computing on Heterogeneous Systems (PEACHES) (Dagstuhl Seminar 22341)

Authors: Kerstin I. Eder, Timo Hönig, Daniel Mosse, Max Plauth, and Maja Hanne Kirkeby

Published in: Dagstuhl Reports, Volume 12, Issue 8 (2023)

Abstract
This report documents the program and outcomes of the Dagstuhl Seminar 22341 - Power and Energy-Aware Computing on Heterogeneous Systems (PEACHES). The seminar was held on Aug 21 – Aug 26, 2022, and brought together 35 international experts from different domains across the entire system stack – from system designers to programmers and operators. We present the abstracts of 18 talks and 5 summaries of discussions and active sessions on the principal topic areas: Energy Transparency from Hardware to Software, Energy Optimisation and Management, Computing for Sustainability, Green Computing Hackathon, and Disruptive Paradigms.
Cite as

Kerstin I. Eder, Timo Hönig, Daniel Mosse, Max Plauth, and Maja Hanne Kirkeby. Power and Energy-Aware Computing on Heterogeneous Systems (PEACHES) (Dagstuhl Seminar 22341). In Dagstuhl Reports, Volume 12, Issue 8, pp. 31-59, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2023)

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@Article{eder_et_al:DagRep.12.8.31,
  author =	{Eder, Kerstin I. and H\"{o}nig, Timo and Mosse, Daniel and Plauth, Max and Kirkeby, Maja Hanne},
  title =	{{Power and Energy-Aware Computing on Heterogeneous Systems (PEACHES) (Dagstuhl Seminar 22341)}},
  pages =	{31--59},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2023},
  volume =	{12},
  number =	{8},
  editor =	{Eder, Kerstin I. and H\"{o}nig, Timo and Mosse, Daniel and Plauth, Max and Kirkeby, Maja Hanne},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.12.8.31},
  URN =		{urn:nbn:de:0030-drops-177140},
  doi =		{10.4230/DagRep.12.8.31},
  annote =	{Keywords: energy, heterogeneous computing, operating systems, power, systems}
}
Document
DOI: 10.4230/LITES-v004-i001-a002
Utility-Based Scheduling of (m,k)-firm Real-Time Tasks - New Empirical Results

Authors: Florian Kluge

Published in: LITES, Volume 4, Issue 1 (2017). Leibniz Transactions on Embedded Systems, Volume 4, Issue 1

Abstract
The concept of a firm real-time task implies the notion of a firm deadline that should not be missed by the jobs of this task. If a deadline miss occurs, the concerned job yields no value to the system. For some applications domains, this restrictive notion can be relaxed. For example, robust control systems can tolerate that single executions of a control loop miss their deadlines, and still yield an acceptable behaviour. Thus, systems can be developed under more optimistic assumptions, e.g. by allowing overloads. However, care must be taken that deadline misses do not accumulate. This restriction can be expressed by the model of (m,k)-firm real-time tasks that require that from any k consecutive jobs at least m are executed successfully. In this article, we extend our prior work on the MKU scheduling heuristic. MKU uses history-cognisant utility functions as means for making decisions in overload situations. We present new theoretical results on MKU and on other schedulers for (m,k)-firm real-time tasks. Based on extensive simulations, we assess the performance of these schedulers. The results allow us to identify task set characteristics that can be used as guidelines for choosing a scheduler for a concrete use case.
Cite as

Florian Kluge. Utility-Based Scheduling of (m,k)-firm Real-Time Tasks - New Empirical Results. In LITES, Volume 4, Issue 1 (2017). Leibniz Transactions on Embedded Systems, Volume 4, Issue 1, pp. 02:1-02:25, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2017)

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@Article{kluge:LITES-v004-i001-a002,
  author =	{Kluge, Florian},
  title =	{{Utility-Based Scheduling of (m,k)-firm Real-Time Tasks - New Empirical Results}},
  booktitle =	{LITES, Volume 4, Issue 1 (2017)},
  pages =	{02:1--02:25},
  journal =	{Leibniz Transactions on Embedded Systems},
  ISSN =	{2199-2002},
  year =	{2017},
  volume =	{4},
  number =	{1},
  editor =	{Kluge, Florian},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LITES-v004-i001-a002},
  doi =		{10.4230/LITES-v004-i001-a002},
  annote =	{Keywords: Real-time Scheduling, (m, k)-Firm Real-Time Tasks}
}
Document
DOI: 10.4230/DagSemProc.05141.5
Energy Conservation in Memory Hierarchies using Power-Aware Cached-DRAM

Authors: Daniel Mossé, Nevine AbouGhazaleh, Bruce Childers, and Rami Melhem

Published in: Dagstuhl Seminar Proceedings, Volume 5141, Power-aware Computing Systems (2005)

Abstract
Main memory has become one of the largest contributors to overall energy consumption and offers many opportunities for power/energy reduction. In this paper, we propose a new memory organization, called {em Power-Aware Cached-DRAM} (PA-CDRAM), that integrates a moderately sized cache directly into a memory device. We use this cache to turn a memory bank off immediately after a memory access to reduce energy consumption. While other work has used CDRAM to improve memory performance, we modify CDRAM to reduce energy consumption. In this paper, we describe our memory organization and describe the challenges for achieving low energy consumption and how to address them. We evaluate the approach using a cycle accurate processor and memory simulator. Our results show that PA-CDRAM achieves an average 28% improvement in the energy-delay product when compared to a time-out power management technique.
Cite as

Daniel Mossé, Nevine AbouGhazaleh, Bruce Childers, and Rami Melhem. Energy Conservation in Memory Hierarchies using Power-Aware Cached-DRAM. In Power-aware Computing Systems. Dagstuhl Seminar Proceedings, Volume 5141, pp. 1-10, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2005)

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@InProceedings{mosse_et_al:DagSemProc.05141.5,
  author =	{Moss\'{e}, Daniel and AbouGhazaleh, Nevine and Childers, Bruce and Melhem, Rami},
  title =	{{Energy Conservation in Memory Hierarchies using Power-Aware Cached-DRAM}},
  booktitle =	{Power-aware Computing Systems},
  pages =	{1--10},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2005},
  volume =	{5141},
  editor =	{Luca Benini and Ulrich Kremer and Christian W. Probst and Peter Schelkens},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.05141.5},
  URN =		{urn:nbn:de:0030-drops-3049},
  doi =		{10.4230/DagSemProc.05141.5},
  annote =	{Keywords: Memory power management, cached DRAM}
}
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