Exploració per tema "Supercomputers"

Ara es mostren els items 41-60 de 159

    • Development of a low-level, algebra-based library to provide platform portability on hybrid supercomputers 

      Álvarez Farré, Xavier; Alsalti Baldellou, Àdel; Colomer Rey, Guillem; Gorobets, Andrei; Trias Miquel, Francesc Xavier; Oliva Llena, Asensio (Scipedia, 2022)
      Text en actes de congrés
      Accés obert
      Continuous enhancement in hardware technologies enables scientific computing to advance incessantly and reach further aims. Since the start of the global race for exascale high-performance computing, massively-parallel ...

    • Development of an oceanographic application in HPC 

      Basciano, Davide (Universitat Politècnica de Catalunya, 2016)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Barcelona Supercomputing Center
      High Performance Computing (HPC) is used for running advanced application programs efficiently, reliably, and quickly. In earlier decades, performance analysis of HPC applications was evaluated based on speed, scalability ...

    • Discovering most significant news using Network Science approach 

      Blokh, Ilya; Alexandrov, Vassil (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
      Accés obert

    • Disseny i avaluació d'un cluster HPC: Hardware 

      Trilla Rodríguez, David (Universitat Politècnica de Catalunya, 2014-06-26)
      Treball Final de Grau
      Accés obert
      [CASTELLÀ] El trabajo está centrado en el ámbito del hardware para computación de altas prestaciones. En este trabajo concreto se explica cual es el hardware mas usado en HPC, se diseña un clúster teórico, y se explica ...

    • Disseny i desenvolupament de la capa de comunicació entre supercomputadors del model de programació paral·lel COMPSs 

      López Esteve, Guillermo (Universitat Politècnica de Catalunya, 2023-01-26)
      Treball Final de Grau
      Accés obert
      COMPS Superscalar (COMPSs) és un model de programació per aplicacions distribuïdes desenvolupat al Barcelona Supercomputing Center que explota el paral·lelisme inherent de les aplicacions. En l'actualitat depèn d'una capa ...

    • Distributed training of deep neural networks with spark: The MareNostrum experience 

      Cruz, Leonel; Tous Liesa, Rubén; Otero Calviño, Beatriz (Elsevier, 2019-07-01)
      Article
      Accés obert
      Deployment of a distributed deep learning technology stack on a large parallel system is a very complex process, involving the integration and configuration of several layers of both, general-purpose and custom software. ...

    • DLP acceleration on general purpose cores 

      Duric, Milovan; Palomar Pérez, Óscar; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
      Accés obert
      High-performance and power-efficient multimedia computing drives the design of modern and increasingly utilized mobile devices. State-of-the-art low power processors already utilize chip multiprocessors (CMP) that add ...

    • DRAM errors in the field: a statistical approach 

      Živanovič, Darko; Esmaili Dokht, Pouya; Moré, Sergi; Bartolomé, Javier; Carpenter, Paul Matthew; Radojković, Petar; Ayguadé Parra, Eduard (Association for Computing Machinery (ACM), 2019)
      Text en actes de congrés
      Accés obert
      This paper summarizes our two-year study of corrected and uncor-rected errors on the MareNostrum 3 supercomputer, covering 2000 billion MB-hours of DRAM in the field. The study analyzes 4.5 million corrected and 71 uncorrected ...

    • Dynamic resource allocation for efficient parallel CFD simulations 

      Houzeaux, Guillaume; Badia Sala, Rosa Maria; Borrell Pol, Ricard; Dosimont, Damien; Ejarque Artigas, Jorge; García Gasulla, Dario; López Herrero, Víctor (Elsevier, 2022-09-15)
      Article
      Accés restringit per política de l'editorial
      CFD users of supercomputers usually resort to rule-of-thumb methods to select the number of subdomains (partitions) when relying on MPI-based parallelization. One common approach is to set a minimum number of elements or ...

    • Dynamic transaction coalescing 

      Stipic, Srdjan; Karakostas, Vasileios; Smiljkovic, Vesna; Gajinov, Vladimir; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (Association for Computing Machinery (ACM), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Prior work in Software Transactional Memory has identified high overheads related to starting and committing transactions that may degrade the application performance. To amortize these overheads, transaction coalescing ...

    • Dynamics of double-polarity subduction: application to the Western Mediterranean 

      Peral Millán, Mireia; Zlotnik, Sergio; Fernàndez Ortiga, Manel (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
      Accés obert
      The Western Mediterranean tectonic setting and history is studied by means of three-dimensional numerical models. Goals are to understand its dynamics and to test the feasibility of a doublepolarity subduction process ...

    • ecoHMEM: Improving object placement methodology for hybrid memory systems in HPC 

      Jordà Peroliu, Marc; Rai, Siddharth; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Peña Monferrer, Antonio José (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      Recent byte-addressable persistent memory (PMEM) technology offers capacities comparable to storage devices and access times much closer to DRAMs than other non-volatile memory technology. To palliate the large gap with ...

    • Energy-oriented denial of service attacks: an emerging menace for large cloud infrastructures 

      Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Ficco, Massimo; Castiglione, Aniello (2015-05-01)
      Article
      Accés obert
      This work analyzes a new and very subtle kind of security threat that can affect large-scale cloud-based IT service infrastructures, by exploiting the computational resources of their component data center to waste as much ...

    • Enhancing OpenMP tasking model: performance and portability 

      Yu, Chenle; Royuela Alcázar, Sara; Quiñones Moreno, Eduardo (Springer, 2021)
      Text en actes de congrés
      Accés obert
      OpenMP, as the de-facto standard programming model in symmetric multiprocessing for HPC, has seen its performance boosted continuously by the community, either through implementation enhancements or specification augmentations. ...

    • Estudi del rendiment del sistema Oracle Grid Engine 

      Herrero Rosello, Albert (Universitat Politècnica de Catalunya, 2013-06-17)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • ETP4HPC’s SRA 5 strategic research agenda for High-Performance Computing in Europe 2022: European HPC research priorities 2023-2027 

      Carpenter, Paul Matthew; Casas, Marc; Unsal, Osman Sabri; Radojkovic, Petar; Martorell Bofill, Xavier; Miranda, Alberto; Guitart Fernández, Jordi; Corbalán González, Julita; Peña Monferrer, Antonio José; Bautista Gomez, Leonardo Arturo; Vázquez García, Miguel; Beltran Querol, Vicenç; Queralt Calafat, Anna; Nou Castell, Ramon; Borrell Pol, Ricard; Houzeaux, Guillaume; Serradell Maronda, Kim; Carrera Pérez, David; García Sáez, Artur; Puchol García, Carlos (2022-09)
      Report de recerca
      Accés obert
      This document feeds research and development priorities devel-oped by the European HPC ecosystem into EuroHPC’s Research and Innovation Advisory Group with an aim to define the HPC Technology research Work Programme and ...

    • Evaluating SLURM simulator with real-machine SLURM and vice versa 

      Jokanovic, Ana; D'Amico, Marco; Corbalán González, Julita (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      Having a precise and a fast job scheduler model that resembles the real-machine job scheduling software behavior is extremely important in the field of job scheduling. The idea behind SLURM simulator is preserving the ...

    • Evaluation of AWS for running BSC-EC models 

      Quesada Alacid, Adrià (Universitat Politècnica de Catalunya, 2019-04)
      Treball Final de Grau
      Accés obert
      Aquest projecte busca avaluar el núvol ofert per Amazon Web Services per executar models Ciències de la Terra. S'analitzarà com un sistema de modelat pronòstic del temps es comporta al núvol i serà comparat amb l'entorn ...

    • Evaluation of genome alignment workflows on HPC processors 

      Langarita Benítez, Rubén (Universitat Politècnica de Catalunya, 2021-01-22)
      Projecte Final de Màster Oficial
      Accés obert
      Precision medicine holds promise for improving healthcare by leveraging genomic information. Due to the steep decrease in genome sequencing costs in recent years, the amount of data to be processed is increasing dramatically, ...

    • Evaluation of low-power architectures in a scientific computing environment 

      Gómez Crespo, Constantino (Universitat Politècnica de Catalunya, 2016-07-07)
      Projecte Final de Màster Oficial
      Accés obert
      HPC (High Performance Computing) represents, together with theory and experiments, the third pillar of science. Through HPC, scientists can simulate phenomena otherwise impossible to study. The need of performing larger ...