Now showing items 1-20 of 122

    • 1st BSC Doctoral Symposium : book of abstracts 

      Cucchietti, Fernando; Comes, Carles; Badia Moragas, Alba; Cabeza, Israel; Eguzkitza, Beatriz; Gifre Renom, Lluís; González, Santiago; Guevara, Marc; Hernández, Roger; Hussain, Tassadaq; Jiménez, Brian; Liu, Qixiao; Moal, Iain; Obiso, Vincenzo; Palavedu, Karthikeyan; Panic, Milos; Rajovic, Nikola; Royuela, Sara; Scaini, Chiara; Soret, Albert; Stipić, Srđjan; Strassburg, Janko; Valverde, Víctor; Villalba, Álvaro (Barcelona Supercomputing Center, 2014-05-26)
      Conference report
      Open Access
    • 2013-2014 Severo Ochoa : Research Seminar Lectures at BSC : book of abstracts 

      Vázquez, Mariano; Goñi Macià, Ramon; Arís, Ruth; Jorba Casellas, Oriol; Schutgens, Nick; Kranzlmüller, Dieter; Schulz, Martin; Shi, Yong; Strassburg, Janko; Faraboschi, Paolo; Aguado Sierra, Jazmín; Saen-Oon, Suwipa; Walker, Ross C.; Cetto, Raul; Suzumura, Toyotaro; Di Tomaso, Enza; Patt, Yale; Zoppè, Monica; Jeannot, Emmanel; Klasky, Scott A. (Barcelona Super Computer Center. Education & Training team, 2014-08-05)
      Conference report
      Open Access
    • A 3D-1D cardiac-vascular computational feedbacked model 

      Santiago, Alfonso; Vázquez, Mariano; Houzeaux, Guillaume; Aguado-Sierra, Jazmin; López, Mariña; Rivero, Matías I.; Blanco Sánchez, Pablo; Watanabe, Sansuke (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      A first version of a cardiovascular coupled model is presented. The modelling tools are Alya, the BSC tool for biomechanical simulations; and ADAN55, the LNCC model of the arterial blood flow. The former solves the ...
    • A framework for multidimensional indexes on distributed and highly-available data stores 

      Cugnasco, Cesare; Becerra Fontal, Yolanda (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      No-relational databases are nowadays a common solution when dealing with a huge data set and massive query workload. These systems have been redesigned from scratch in order to achieve scalability and availability at ...
    • A hierarchical parallel implementation for heterogeneous computing. Application to algebra-based CFD simulations on hybrid supercomputers 

      Álvarez Farré, Xavier; Gorobets, Andrey; Trias Miquel, Francesc Xavier (Elsevier, 2021-01)
      Article
      Restricted access - publisher's policy
      The quest for new portable implementations of simulation algorithms is motivated by the increasing variety of computing architectures. Moreover, the hybridization of high-performance computing systems imposes additional ...
    • A highly parallel algorithm for computing the action of a matrix exponential on a vector based on a multilevel Monte Carlo method 

      Acebrón de Torres, Juan A.; Herrero Zaragoza, José Ramón; Monteiro, José (2020-01-01)
      Article
      Restricted access - publisher's policy
      A novel algorithm for computing the action of a matrix exponential over a vector is proposed. The algorithm is based on a multilevel Monte Carlo method, and the vector solution is computed probabilistically generating ...
    • A Novel approach to reconstruct the plinian and co-ignimbrite phases of large eruptions - Campanian Ignimbrite 

      Marti, Alejandro; Folch, Arnau; Costa, Antonio; Engwell, Samantha (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      Reconstructing the volume and tephra dispersal from volcanic super-eruptions is necessary to assess the widespread impact of these massive events on climate, ecosystems and humans. Recent studies have demonstrated that ...
    • A parallel coupled algorithm for the solution of deformable two-body contact problem 

      Rivero Almeida, José Miguel; Cajas García, Juan Carlos; Houzeaux, Guillaume; Vázquez, Mariano (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      This work presents a parallel iterative method for numerical solving frictionless contact problem for two elastic bodies. Each iterative step consists of a Dirichlet problem for the one body and a Neumann problem for ...
    • Adaptació i desenvolupament d’un sistema de mesures de rendiment per a MareNostrum 

      Abellán Écija, Xavier (Universitat Politècnica de Catalunya, 2008-11-02)
      Master thesis (pre-Bologna period)
      Open Access
    • Adaptive and application dependant runtime guided hardware reconfiguration for the IBM POWER7 

      Prat Robles, David (Universitat Politècnica de Catalunya, 2014-09-04)
      Master thesis
      Open Access
      The aim of this project is to develop adaptive resource management systems for the im- provement of the power-performance metrics associated with the current and future IBM POWER-series microprocessors.
    • Alya: Computational Solid Mechanics for Supercomputers 

      Casoni Rero, Eva; Jérusalem, Antoine; Samaniego, Cristóbal; Eguzkitza, Beatriz; Lafortune, Pierre; Tjahjanto, Denny; Sáez, Xavier; Houzeaux, Guillaume; Vázquez, Mariano (Springer, 2014-08-13)
      Article
      Open Access
      While solid mechanics codes are now conventional tools both in industry and research, the increasingly more exigent requirements of both sectors are fuelling the need for more computational power and more advanced algorithms. ...
    • Alya: Multiphysics engineering simulation toward exascale 

      Vázquez, Mariano; Houzeaux, Guillaume; Koric, Seid; Artigues, Antoni; Aguado Sierra, Jazmin; Arís Sánchez, Ruth; Mira, Daniel; Calmet, Hadrien; Cucchietti, Fernando; Owen, Herbert; Taha, Ahmed; Dering Burness, Evan; Cela Espín, José M.; Valero Cortés, Mateo (Elsevier, 2016-05)
      Article
      Open Access
      Alya is a multi-physics simulation code developed at Barcelona Supercomputing Center (BSC). From its inception Alya code is designed using advanced High Performance Computing programming techniques to solve coupled problems ...
    • Alya: Multiphysics engineering simulation toward exascale 

      Vázquez, Mariano; Houzeaux, Guillaume; Koric, Seid; Artigues, Antoni; Aguado-Sierra, Jazmin; Arís, Ruth; Mira, Daniel; Calmet, Hadrien; Cucchietti, Fernando; Owen, Herbert; Taha, Ahmed; Burness, Evan D.; Cela, José M.; Valero Cortés, Mateo (Elsevier, 2016-02-01)
      Article
      Open Access
      Alya is a multi-physics simulation code developed at Barcelona Supercomputing Center (BSC). From its inception Alya code is designed using advanced High Performance Computing programming techniques to solve coupled problems ...
    • An OpenMP* barrier using SIMD instructions for Intel® Xeon Phi™ coprocessor 

      Caballero, Diego; Duran González, Alejandro; Martorell Bofill, Xavier (Springer, 2013)
      Conference report
      Restricted access - publisher's policy
      Barrier synchronisation is a widely-studied topic since the supercomputer era due to its significant impact on the overall performance of parallel applications. With the current shift to many-core architectures, such as ...
    • Analysis, Developments and optimizations on the NMMB/BSC model 

      Serradell Maronda, Kim (Universitat Politècnica de Catalunya, 2014-01-15)
      Master thesis
      Open Access
      Aquest projecte final de Màster s'emmarca dins de la feina realitzada en el departament de Ciències de la Terra del Barcelona Supercomputing Center. És un recull dels diversos desenvolupaments i anàlisi duts a terme a ...
    • Analyzing performance improvements and energy savings in Infiniband architecture using network compression 

      Dickov, Branimir; Pericas, Miquel; Carpenter, Paul; Navarro, Nacho; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      One of the greatest challenges in HPC is total system power and energy consumption. Whereas HPC interconnects have traditionally been designed with a focus on bandwidth and latency, there is an increasing interest in ...
    • Anàlisi i integració de models de programació paral·lels en SoC Tegra 2 

      Prat Robles, David (Universitat Politècnica de Catalunya, 2011-01-19)
      Master thesis (pre-Bologna period)
      Open Access
      Anàlisi i integració de models de programació paral.lels en SoC Tegra 2 Instal·lació Linux i verificació del funcionament Benchmarks amb altres processadors Escalabilitat de Pthreads VS OpenMP Muntatge del clúster amb MPI ...
    • Análisis comparativo de arquitecturas de MareNostrum y desarrollo de un entorno de monitorización 

      Ramos Velázquez, Felix Fernando (Universitat Politècnica de Catalunya, 2019-01-29)
      Bachelor thesis
      Open Access
      Covenantee:   Barcelona Supercomputing Center
      Los supercomputadores necesitan ser reemplazados de forma periódica, siendo el tiempo de vida habitual para una máquina de alrededor de 3 años. Esto implica la necesidad de probar el rendimiento de las nuevas máquinas ...
    • Application performance evaluation using Deep Learning 

      Söderlind, Simon (Universitat Politècnica de Catalunya, 2017)
      Master thesis
      Open Access
      Covenantee:   Barcelona Supercomputing Center
      Developing software for exascale systems will become even more challenging than for today’s systems. Methods for evaluating the performance of applications and identifying potential weaknesses are essential for reaching ...
    • Approximating a Multi-Grid Solver 

      Le Fèvre, Valentin; Bautista-Gomez, Leonardo; Unsal, Osman; Casas, Marc (IEEE, 2019-02-14)
      Conference lecture
      Open Access
      Multi-grid methods are numerical algorithms used in parallel and distributed processing. The main idea of multigrid solvers is to speedup the convergence of an iterative method by reducing the problem to a coarser grid a ...