Ara es mostren els items 1-17 de 17

    • Analyzing the impact of communication imbalance in high-speed networks 

      Utrera Iglesias, Gladys Miriam; Gil, Marisa; Martorell Bofill, Xavier (2017-12-21)
      Article
      Accés obert
      In this work we analyze the communication load imbalance generated by irregular-data applications running in a multi-node cluster. Experimental approaches to diminish communication load imbalance are evaluated using a ...
    • Atenea exams, an IMS LTI application to solve scalability problems: A study case 

      Alier Forment, Marc; Casany Guerrero, María José; Llorens García, Ariadna; Alcober Segura, Jesús Ángel; Prat Farran, Joana d'Arc (2021-01-01)
      Article
      Accés obert
      In 2004, the Universitat Politècnica de Catalunya decided to change one of its critical and strategic information services: the online teaching support platform. An Open Source software, Moodle, was adopted and the previous ...
    • Containers in HPC: a scalability and portability study in production biological simulations 

      Rudyy, Oleksandr; Garcia Gasulla, Marta; Mantovani, Filippo; Santiago, Alfonso; Sirvent Pardell, Raül; Vázquez, Mariano (Barcelona Supercomputing Center, 2019-05-07)
      Text en actes de congrés
      Accés obert
    • Discovering the Ethereum2 P2P network 

      Cortes Goicoechea, Mikel; Bautista Gomez, Leonardo (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      Achieving the equilibrium between scalability, sustainability, and security while keeping decentralization has prevailed as the target solution for decentralized blockchain applications over the last years. Several approaches ...
    • Discovering the Ethereum2 P2P network 

      Cortes Goicoechea, Mikel; Bautista Gomez, Leonardo (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Comunicació de congrés
      Accés obert
      Achieving the equilibrium between scalability, sustainability, and security while keeping decentralization has prevailed as the target solution for decentralized blockchain applications over the last years. Several approaches ...
    • 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. ...
    • Global state, local decisions: Decentralized NFV for ISPs via enhanced SDN 

      Rodríguez Natal, Alberto; Ermagan, Vina; Noy, Ariel; Sahai, Ajay; Kaempfer, Gideon; Barkai, Sharon; Maino, Fabio; Cabellos Aparicio, Alberto (2017-04-14)
      Article
      Accés obert
      The network functions virtualization paradigm is rapidly gaining interest among Internet service providers. However, the transition to this paradigm on ISP networks comes with a unique set of challenges: legacy equipment ...
    • GNN for time-sliced quantum circuit partitioning 

      Yu Xia, Ruizhe (Universitat Politècnica de Catalunya, 2022-01-25)
      Projecte Final de Màster Oficial
      Accés obert
    • Jellyfish: locality-sensitive subflow sketching 

      Fu, Yongquan; An, Lun; Shen, Siqi; Chen, Kai; Barlet Ros, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      To cope with increasing network rates and massive traffic volumes, sketch-based methods have been extensively studied to trade accuracy for memory scalability and storage cost. However, sketches are sensitive to hash ...
    • Parallel H.264 decoding on an embedded multicore processor 

      Azevedo, Arnaldo; Meenderinck, Cor; Juurlink, Ben; Terechko, Andrei; Hoogerbrugge, Jan; Álvarez Mesa, Mauricio; Ramírez Bellido, Alejandro (Springer-Verlag, Berlin, Heidelberg,, 2009-01-28)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In previous work the 3D-Wave parallelization strategy was proposed to increase the parallel scalability of H.264 video decoding. This strategy is based on the observation that inter-frame dependencies have a limited spatial ...
    • Parallel scalability of video decoders 

      Meenderinck, Cor; Azevedo, Arnaldo; Juurlink, Ben; Álvarez Mesa, Mauricio; Ramírez Bellido, Alejandro (2009-11)
      Article
      Accés restringit per política de l'editorial
      An important question is whether emerging and future applications exhibit sufficient parallelism, in particular thread-level parallelism, to exploit the large numbers of cores future chip multiprocessors (CMPs) are ...
    • Performance study of HPC applications on an Arm-based cluster using a generic efficiency model 

      Banchelli Gracia, Fabio; Peiró Conde, Kilian; Querol de Porras, Andrea; Ramírez Gargallo, Guillem; Ramírez Miranda, Guillem; Vinyals Ylla-Català, Joan; Vizcaíno Serrano, Pablo; Garcia Gasulla, Marta; Mantovani, Filippo (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      HPC systems and parallel applications are increasing their complexity. Therefore the possibility of easily study and project at large scale the performance of scientific applications is of paramount importance. In this ...
    • Resource analysis of Ethereum 2.0 clients 

      Cortes Goicoechea, Mikel; Franceschini, Luca; Bautista Gomez, Leonardo (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      Scalability is a common issue among the most used permissionless blockchains, and several approaches have been proposed to solve this issue. Tackling scalability while preserving the security and decentralization of the ...
    • Routing at large scale: advances and challenges for complex networks 

      Sahhaf, Sahel; Tavernier, Wouter; Papadimitriou, Dimitri; Careglio, Davide; Kumar, Alok; Glacet, Christian; Coudert, David; Nisse, Nicolas; Fàbrega Soler, LLuís; Vila, Pere; Camelo, Miguel; Audenaert, Pieter; Colle, Didier; Demeester, Piet M.A. (2017-07-01)
      Article
      Accés obert
      A wide range of social, technological and communication systems can be described as complex networks. Scale-free networks are one of the well known classes of complex networks in which nodes' degrees follow a power-law ...
    • Scalability of Macroblock-level parallelism for H.264 decoding 

      Álvarez Mesa, Mauricio; Ramírez Bellido, Alejandro; Azevedo, Arnaldo; Meenderinck, Cor; Juurlink, Ben; Valero Cortés, Mateo (IEEE Computer Society Publications, 2009-12-11)
      Text en actes de congrés
      Accés obert
      This paper investigates the scalability of MacroBlock(MB) level parallelization of the H.264 decoder for High Definition (HD) applications. The study includes three parts. First, a formal model for predicting the maximum ...
    • Viabilidad del uso de contenedores en entornos HPC 

      Rudyy, Oleksandr (Universitat Politècnica de Catalunya, 2019-07-01)
      Treball Final de Grau
      Accés obert
      Las tecnologías de contenedores han cambiado cómo los servicios y aplicaciones son desplegados en la nube. Sin embargo, su adopción en centros de High-Performance Computing (HPC) aún está bajo discusión: por un lado, resulta ...
    • Wide area network autoscaling for cloud applications 

      Serracanta Pujol, Berta; Paillissé Vilanova, Jordi; Cabellos Aparicio, Alberto; Claiborne, Anna; Rodríguez Natal, Alberto; Ward, Dave; Maino, Fabio (Association for Computing Machinery (ACM), 2021)
      Text en actes de congrés
      Accés obert
      Modern cloud orchestrators like Kubernetes provide a versatile and robust way to host applications at scale. One of their key features is autoscaling, which automatically adjusts cloud resources (compute, memory, storage) ...