Georges Da Costa
- Système d’exploitation, systèmes répartis, de l’intergiciel à l’architecture (IRIT-SEPIA)
Présentation
Georges Da Costa est professeur d'informatique à l'Université de Toulouse. Il a obtenu son doctorat au LIG (Grenoble, France) en 2005 et son habilitation à l'Université Toulouse 3 en 2015. Il est membre du laboratoire IRIT. Ses recherches portent sur les systèmes distribués à grande échelle soutenables et économes en énergie. Ses recherches portent sur le HPC, le cloud computing, l'évaluation des performances, les plateformes expérimentales (SLICES-FR, Grid'5000, DROCC) Il est responsable d'un workpackage dans le programme France2030 'HPC' NumPEx. Il a été vice-président de l'agrégation d’informatique. Il est maintenant vice-président au numérique de la Comue de Toulouse.
Publications
Publications
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Experimenting IoT-Edge-Cloud- HPC Continuum on Existing Platforms2025 IEEE 25th International Symposium on Cluster, Cloud and Internet Computing Workshops (CCGridW), IEEE, May 2025, Tromsø Norway, Norway. ⟨10.1109/CCGridW65158.2025.00026⟩ |
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FedE-ator : A framework for energy consumption analysis of federated learning in distributed systemsCompas’2025 : Parallélisme / Architecture/ Système, Jul 2025, Bordeaux, France |
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Digital sufficiency behaviors to deal with intermittent energy sources in a data centerICT4S 2024: International Conference on ICT for Sustainability, Jun 2024, Stockhlom, Sweden. ⟨10.1109/ICT4S64576.2024.00015⟩ |
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Flexible NVMe Request Routing for Virtual Machines2024 IEEE International Parallel and Distributed Processing Symposium (IPDPS 2024), IEEE Computer Society Technical Community on Parallel Processing, May 2024, San Francisco, CA, United States. pp.814-824, ⟨10.1109/IPDPS57955.2024.00077⟩ |
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Light-weight prediction for improving energy consumption in HPC platformsEuro-Par 2024, Carretero, J., Shende, S., Garcia-Blas, J., Brandic, I., Olcoz, K., Schreiber, M., Aug 2024, Madrid, Spain. pp.152-165, ⟨10.1007/978-3-031-69577-3_11⟩ |
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Optimal sizing of a globally distributed low carbon cloud federationCCGrid 2023 - IEEE/ACM 23rd International Symposium on Cluster, Cloud and Internet Computing, May 2023, Bangalore, India. pp.1-13, ⟨10.1109/CCGrid57682.2023.00028⟩ |
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Dimensionnement d'un centre de données autonome alimenté 100% par des énergies renouvelablesConférence d’informatique en Parallélisme, Architecture et Système (COMPAS 2022), MIS : Laboratoire Modélisation, Informatique et Système de l’Université de Picardie Jules Verne., Jul 2022, Amiens, France |
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Characterization of Different User Behaviors for Demand Response in Data Centers28th International Conference on Parallel and Distributed Computing : Parallel Processing (Euro-Par 2022), Aug 2022, Glasgow, United Kingdom. pp.53-68, ⟨10.1007/978-3-031-12597-3_4⟩ |
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Dimensionnement d'un centre de données autonome alimenté 100% par des énergies renouvelablesConférence francophone d'informatique en Parallélisme, Architecture et Système (COMPAS 2022), MIS : Laboratoire Modélisation, Informatique et Système (Université de Picardie Jules Verne), Jul 2022, Amiens, France. paper 24 |
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Standalone Data-Center Sizing Combating the Over-Provisioning of the IT and Electrical PartsWorkshop on Cloud Computing (WCC 2022) @ SBAC-PADW 2022, Nov 2022, Bordeaux, France. pp.1-8, ⟨10.1109/SBAC-PADW56527.2022.00019⟩ |
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Optimized Resource Allocation on Virtualized Non-Uniform I/O Architectures22nd International Symposium on Cluster, Cloud and Internet Computing (CCGrid 2022), May 2022, Taormina, Italy. pp.432-441, ⟨10.1109/CCGrid54584.2022.00053⟩ |
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Game-Based Negotiation between Power Demand and Supply in Green Datacenters18th International Symposium on Parallel and Distributed Processing with Applications (ISPA 2020), Dec 2020, Exeter (virtual), United Kingdom |
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e-Flooding: Crisis Management Through Two Temporal Loops.52nd Hawai International Conference on Systems Science (HICSS 2019), Jan 2019, Maui, Hawai, United States. pp.2985-2994 |
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Négociation multiobjectif de profils de puissance de centre de données alimenté par énergies renouvelables sur siteConférence d’informatique en Parallélisme, Architecture et Système, Jul 2018, Toulouse, France |
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A Decentralized Algorithm to Revisit the Debate of Centralization and Decentralization Approaches for Cloud Scheduling7th International Conference on Smart Grids and Green IT Systems (SMARTGREENS 2018), Mar 2018, Funchal, Madeira, Portugal. pp.165-172 |
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Multidisciplinarity for biodiversity management on campus through citizen sciences2nd Workshop on Smart and Sustainable City (WSSC 2017) in conjunction with 2017 IEEE Smart World Conference, Aug 2017, San Francisco, United States. pp.1-6, ⟨10.1109/UIC-ATC.2017.8397397⟩ |
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A Stack Cross-layer Analytical Model for CSMA/CA IEEE 802.15.4 Networks2nd International Conference on Internet of Things, Data and Cloud Computing (ICC 2017), Mar 2017, Cambridge, United Kingdom. pp.1-7, ⟨10.1145/3018896.3065839⟩ |
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Heuristiques d'ordonnancement pour les centres de données alimentés par énergies renouvelablesConférence d’informatique en Parallélisme, Architecture et Système, Jun 2017, Sophia Antipolis, France |
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Dynamic multi-channel allocation mechanism for wireless multimedia sensor networksWireless Days (WD 2016), Mar 2016, Toulouse, France. pp.1--6 |
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Energy Proportionality in Heterogeneous Data Center Supporting Applications with Variable Load22rd IEEE International Conference on Parallel and Distributed Systems (ICPADS 2016), Dec 2016, Wuhan, China. ⟨10.1109/ICPADS.2016.0136⟩ |
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Modeling and Generating large-scale Google-like WorkloadInternational Workshop on Resilience and/or Energy-aware techniques for High-Performance Computing, Nov 2016, Hangzhou, China. ⟨10.1109/IGCC.2016.7892623⟩ |
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Efficient Energy Sources Scheduling in Green Powered Datacenters: A Cloudsim Implementation3rd International Workshop on Sustainable Ultrascale Computing Systems (NESUS 2016), Oct 2016, Sofia, Bulgaria. pp. 45-50 |
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Dynamically Building Energy Proportional Data Centers with Heterogeneous Computing ResourcesInternational Conference on Cluster Computing (CLUSTER 2016), IEEE, Sep 2016, Taipei, Taiwan. pp.1-4, ⟨10.1109/CLUSTER.2016.34⟩ |
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Energy Aware Dynamic Provisioning for Heterogeneous Data Centers28th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD 2016), Oct 2016, Los Angeles, United States. ⟨10.1109/SBAC-PAD.2016.34⟩ |
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C4Me " See for me27ème conférence francophone sur l'Interaction Homme-Machine., Oct 2015, Toulouse, France. pp.d10 |
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Novel range-free immune to radio range difference (IRRD) geo-localization algorithm in wireless networks12th edition of IEEE Africon "Green Innovation for African Renaissance" (AFRICON 2015), IEEE, Sep 2015, Addis Ababa, Ethiopia. pp.1-4, ⟨10.1109/AFRCON.2015.7331966⟩ |
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Généralisation du concept "big.LITTLE" pour aller vers des infrastructures cloud énergétiquement proportionnellesConférence d’informatique en Parallélisme, Architecture et Système (Compas 2015), ., Jun 2015, Lille, France |
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Dynamic voltage and frequency scaling for 3D Classical Spin Glass application10th International Conference on Computer Science and Information Technologies (CSIT 2015), Sep 2015, Yerevan, Armenia. pp. 121-124 |
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Novel reliable range-free geo-localization algorithm in wireless networks: Centre of the smallest communication overlap polygon (CSCOP)3rd International Black Sea Conference on Communications and Networking (BlackSeaCom 2015), IEEE, May 2015, Constanta, Romania. pp.181-185, ⟨10.1109/BlackSeaCom.2015.7185111⟩ |
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Application-Agnostic Framework for Improving the Energy Efficiency of Multiple HPC Subsystems23rd Euromicro International Conference on Parallel, Distributed and Network-based Processing (PDP 2015), Mar 2015, Turku, Finland. ⟨10.1109/PDP.2015.18⟩ |
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Range-free selective anchor node center of the smallest communication overlap polygon localization algorithm in wireless networks12th edition of IEEE AFRICON 2015: "GREEN INNOVATION FOR AFRICAN RENAISSANCE", Sep 2015, Addis Abeba, Ethiopia. pp.1-5, ⟨10.1109/AFRCON.2015.7332049⟩ |
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DVFS governor for HPC: Higher, Faster, Greener23rd Euromicro International Conference on Parallel, Distributed and network-based Processing (PDP 2015), Mar 2015, Turku, Finland. pp.533-540, ⟨10.1109/PDP.2015.73⟩ |
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Energy aware clouds scheduling using anti-load balancing algorithm : EACAB3rd International Conference on Smart Grids and Green IT Systems (SMARTGREENS 2014), Apr 2014, Barcelona, Spain. pp. 82-89 |
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Towards Generalizing "Big Little" for Energy Proportional HPC and Cloud Infrastructures4th IEEE International Conference on Big Data and Cloud Computing (BdCloud 2014), Dec 2014, Sydney, Australia. pp.1-8, ⟨10.1109/BDCloud.2014.99⟩ |
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Minimization of Costs and Energy Consumption in a Data Center by a Workload-Based Capacity Management3rd International Workshop on Energy-Efficient Data Centres, co-located with E-Energy (E2DC 2014), Jun 2014, Cambridge, United Kingdom. pp. 102-119 |
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ICT4S 2029: What Will Be The Systems Supporting Sustainability in 15 Years2nd International Conference on ICT for Sustainability (ICT4S 2014), Aug 2014, Stockholm, Sweden. pp.30-39 |
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Multi-Objective Scheduling for Heterogeneous Server Systems with Machine PlacementIEEE International Symposium on Cluster Computing and the Grid (CCGrid 2014), May 2014, Chicago, United States. pp.334-343, ⟨10.1109/CCGrid.2014.53⟩ |
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Thermal-aware cloud middleware to reduce cooling needsIEEE International Conference on Collaboration Technologies and Infrastructures - WETICE 2014, Jun 2014, Parma, Italy. pp. 115-120 |
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Heterogeneity: The Key to Achieve Power-Proportional ComputingIEEE International Symposium on Cluster Computing and the Grid - CCGrid 2013, May 2013, Delft, Netherlands. pp. 656-662 |
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Energy - and Heat-aware HPC BenchmarksInternational Workshop on European Actions Towards Eco-Friendly Data Centers (EuroEcoDc), co-located with 3th International Conference on Cloud and Green Computing (CGC 2013), Sep 2013, Karlsruhe, Germany. pp. 435-442 |
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A User Friendly Phase Detection Methodology for HPC Systems' AnalysisIEEE International Conference on Green Computing and Communications (GreenCom 2013), IEEE, Aug 2013, Beijing, China. pp.118-- 25, ⟨10.1109/GreenCom-iThings-CPSCom.2013.43⟩ |
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Energy Consumption LibraryEnergy Efficiency in Large Scale Distributed Systems (EE-LSDS 2013), Apr 2013, Vienna, Austria. pp. 51-57 |
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Simulation énergétique de tâches distribuées avec changements dynamiques de fréquenceConférence d’informatique en Parallélisme, Architecture et Système (ComPAS 2013), Jan 2013, Grenoble, France. 8p |
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Modeling Data Center Building Blocks for Energy-efficiency and Thermal Simulations2nd International Workshop on Energy-Efficient Data Centres, co-located with E-Energy (E2DC 2013) Co-located workshops of 4th International Conference on Future Energy Systems (ACM e-Energy 2013), May 2013, Berkeley, CA, United States. pp.66-82 |
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Grid'5000 energy-aware experiments with DVFSgrid’5000 school, Dec 2012, Nantes, France. 7p |
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A Runtime Framework for Energy Efficient HPC Systems Without a Priori Knowledge of Applications18th International Conference on Parallel and Distributed Systems (ICPAD 2012), Nov 2012, Singapour, Singapore. pp.660-667, ⟨10.1109/ICPADS.2012.94⟩ |
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Beyond CPU Frequency Scaling for a Fine-grained Energy Control of HPC Systems24th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD 2012), Oct 2012, New York City, United States. pp.132-138, ⟨10.1109/SBAC-PAD.2012.32⟩ |
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DNA-inspired Scheme for Building the Energy Profile of HPC SystemsE2DC - 1st International Workshop on Energy-Efficient Data Centres - 2011, May 2012, Madrid, Spain |
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Multi-Facet Approach to Reduce Energy Consumption in Clouds and Grids: The GREEN-NET FrameworkInternational Conference on Energy-Efficient Computing and Networking (e-Energy), Apr 2010, Passau, Germany. pp.95-104, ⟨10.1145/1791314.1791329⟩ |
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Methodology of measurement for energy consumption of applications2010 11th IEEE/ACM International Conference on Grid Computing (GRID), Oct 2010, Brussels, Belgium. pp.290-297, ⟨10.1109/GRID.2010.5697987⟩ |
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Modèles fluides pour l'économie d'énergie dans les grilles par migration : une premère approcheRencontres francophones du Parallélisme (Renpar) 2009, 2009, Toulouse, France |
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Réduction de la consommation énergétique dans les centres de serveursRencontres francophones du Parallélisme (RenPar 2009), Pôle GSP du GDR ASR; IRIT : Institut de Recherche en Informatique de Toulouse, Sep 2009, Toulouse, France. pp.1-8 |
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Energy-Aware Resource AllocationEnergy Efficient Grids, Clouds and Clusters Workshop (co-located with Grid 2009) (E2GC2 2009), Oct 2009, Banff, Canada. ⟨10.1109/GRID.2009.5353063⟩ |
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The GREEN-NET framework: Energy efficiency in large scale distributed systemsHigh Performance Power Aware Computing Workshop (HPPAC), May 2009, Rome, Italy. pp.1 - 8, ⟨10.1109/IPDPS.2009.5160975⟩ |
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A batch scheduler with high level componentsCluster computing and Grid 2005 (CCGrid05), 2005, Cardiff, United Kingdom |
Challenges and Solutions for Data Center Powered by on Site Renewable Energy OnlyEuroScience Open Forum (ESOF 2018), Jul 2018, Toulouse, France. , 2018 |
Introduction to special issue on Selected papers from EE-LSDS 2013 Conference (Sustainable Computing: Informatics and Systems)Elsevier, 4 (2), pp.67, 2014, Special Issue on Selected papers from EE-LSDS 2013 Conference, ISSN: 2210-5379. ⟨10.1016/j.suscom.2014.05.003⟩ |
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Special issue on selected papers from Energy Efficiency in Large-Scale Distributed Systems 2013 conferencePierson, Jean-Marc and Dittmann, Laars and Da Costa, Georges. Wiley, 26 (15), 2014, Concurrency and Computation: Practice and Experience, ⟨10.1002/cpe.3339⟩ |
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Energy aware ultrascale systemsUltrascale Computing Systems, Institution of Engineering and Technology, pp.127-188, 2019, ⟨10.1049/PBPC024E_ch⟩ |
Programming models and runtimesJesus Carretero; Emmanuel Jeannot; Albert Zomaya. Ultrascale Computing Systems, 2, Institution of Engineering and Technology, pp.9-63, 2019, 978-1785618338. ⟨10.1049/PBPC024E_ch2⟩ |
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Scheduling and Resource AllocationPierson, Jean-Marc. Large-Scale Distributed Systems and Energy Efficiency: A holistic view, John Wiley and Sons, pp.225--262, 2015, Chapître 8, 978-1-118-86463-0 |
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Green Data CentersLarge-Scale Distributed Systems and Energy Efficiency, Wiley, pp.159-196, 2015, ⟨10.1002/9781118981122.ch6⟩ |
CoolEmAll: Models and Tools for Planning and Operating Energy Efficient Data CentresU. Khan, Samee; Y. Zomaya, Albert. Handbook on Data Centers, Springer, pp.191--245, 2015, 978-1-4939-2092-1. ⟨10.1007/978-1-4939-2092-1_6⟩ |
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Power ModelingPierson, Jean-Marc. Large-Scale Distributed Systems and Energy Efficiency: A holistic view, John Wiley and Sons, pp.131--158, 2015, Chapître 5, 978-1-118-86463-0 |
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Energy efficiency and high-performance computingLarge-scale Distributed Systems and Energy efficiency, Wiley, 2015, 978-1-118-86463-0. ⟨10.1002/9781118981122.ch7⟩ |
Hardware leverages for energy reduction in large scale distributed systemsPierson, Jean-Marc. Large-Scale Distributed Systems and Energy Efficiency: A holistic view, Chapter 2, John Wiley and Sons, pp.17--40, 2015, 978-1118864630. ⟨10.1002/9781118981122.ch2⟩ |
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Energy aware approach for HPC systemsEmmanuel Jeannot; Julius Zilinskas. High-Performance Computing on Complex Environments, Chapter 1, Wiley-IEEE Press, pp.341-363, 2014, 978-1118712054. ⟨10.1002/9781118711897.ch18⟩ |
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Sociotechnical Ambient Systems: From Test Scenario to Scientific ObstaclesCalvary, Gaëlle; Delot, Thierry; Sèdes, Florence; Tigli, Jean-Yves. Computer Science and Ambient Intelligence, ISTE - WILEY, pp.307-329, 2012, 978-1848214378. ⟨10.1002/9781118580974.ch14⟩ |
Systèmes sociotechniques ambiants : du scénario aux verrous scientifiquesCALVARY, Gaëlle; DELOT, Thierry; SEDES Florence; TIGLI, Jean-Yves. Informatique et intelligence ambiante : des capteurs aux applications, 14, Lavoisier, pp.341-362, 2012, Traité Informatique et Systèmes d'Information, IC2, 978-2746229815 |
Data Centres Sustainability Cluster Activities Task 3 : Cluster Task 3 developers2014 |
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Expériences autour d'une nouvelle approche de conception d'un gestionnaire de travaux pour grappe2003 |
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ETP4HPC SRA 6 White Paper - Energy Efficiency and Sustainability. ETP4HPCETP4HPC. 2026 |
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Measurement methods sheet, WG6 Exa-SoftUniversité de Toulouse; Université de bordeaux. 2025 |
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CuttleBench: A benchmarking tool for comparing programming languages' performancesToulouse 3 Paul Sabatier. 2023 |
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Towards Flash Floods Management Using Temporal Loops[Research Report] IRIT/RR–2021–06–FR, IRIT - Institut de Recherche en Informatique de Toulouse. 2021 |
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A Roadmap for Research in Sustainable Ultrascale Systems[Research Report] University Carlos III of Madrid. 2017 |
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Coolemall D2.6 Final release of the simulation and visualisation toolkit[Research Report] IRIT-Institut de recherche en informatique de Toulouse. 2014 |
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CoolEmAll D5.6 Final metrics and benchmarks[Research Report] IRIT-Institut de recherche en informatique de Toulouse. 2014 |
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CoolEmAll D2.4 First release of the simulation and visualisation toolkit[Research Report] IRIT-Institut de recherche en informatique de Toulouse. 2013 |
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CoolEmAll D5.4 Energy and Heat-aware classification of application[Research Report] IRIT-Institut de recherche en informatique de Toulouse. 2013 |
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CoolEmAll D5.1 White paper on Energy-and Heat-aware metrics for computing modules[Research Report] IRIT-Institut de recherche en informatique de Toulouse. 2012 |
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Méthodologie d’étude de l’environnement des systèmes Pair à PairInformatique [cs]. Institut National Polytechnique de Grenoble (INPG), 2005. Français. ⟨NNT : 2005INPG0116⟩ |
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Évaluation et optimisation de performance énergétique des centres de calculCalcul parallèle, distribué et partagé [cs.DC]. Université Paul Sabatier (Toulouse 3), 2015 |