Browsing by Subject "Supercomputadors"

Now showing items 1-20 of 262

    • 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 Demo of FPGA Aggressive Voltage Downscaling: Power and Reliability Tradeoffs 

      Salami, Behzad; Unsal, Osman Sabri; Cristal Kestelman, Adrián (IEEE, 2018-12-06)
      Conference lecture
      Open Access
      The power consumption of digital circuits, e.g., Field Programmable Gate Arrays (FPGAs), is directly related to their operating supply voltages. On the other hand, usually, chip vendors introduce a conservative voltage ...

    • 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 Functional Safety OpenMP∗ for Critical Real-Time Embedded Systems 

      Royuela, Sara; Duran, Alejandro; Serrano, Maria A.; Quiñones, Eduardo; Martorell, Xavier (Springer, 2017-08-17)
      Part of book or chapter of book
      Open Access
      OpenMP* has recently gained attention in the embedded domain by virtue of the augmentations implemented in the last specification. Yet, the language has a minimal impact in the embedded real-time domain mostly due to the ...

    • A generic performance analysis technique applied to different CFD methods for HPC 

      Garcia Gasulla, Marta; Banchelli Gracia, Fabio; Peiró Conde, Kilian; Ramírez Gargallo, Guillem; Houzeaux, Guillaume; Hassan Saïdi, Ismaïl Ben; Tenaud, Christian; Spisso, Ivan; Mantovani, Filippo (Taylor & Francis, 2020-07-16)
      Article
      Open Access
      For complex engineering and scientific applications, Computational Fluid Dynamics (CFD) simulations require a huge amount of computational power. As such, it is of paramount importance to carefully assess the performance ...

    • A hierarchic task-based programming model for distributed heterogeneous computing 

      Ejarque, Jorge; Dominguez, Marc; Badia Sala, Rosa Maria (SAGE Publications, 2019-05-01)
      Article
      Open Access
      Distributed computing platforms are evolving to heterogeneous ecosystems with Clusters, Grids and Clouds introducing in its computing nodes, processors with different core architectures, accelerators (i.e. GPUs, FPGAs), ...

    • 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 Massively Parallel Algorithm for the Approximate Calculation of Inverse p-th Roots of Large Sparse Matrices 

      Lass, Michael; Mohr, Stephan; Wiebeler, Hendrik; Kühne, Thomas D.; Plessl, Christian (Association for Computing Machinery (ACM), 2018-07)
      Conference lecture
      Open Access
      We present the submatrix method, a highly parallelizable method for the approximate calculation of inverse p-th roots of large sparse symmetric matrices which are required in different scientific applications. Following ...

    • 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 ...

    • Accelerating K-mer Frequency Counting with GPU and Non-Volatile Memory 

      Cadenelli, Nicola; Polo Bardés, Jordà; Carrera, David (IEEE, 2018-02-15)
      Conference lecture
      Open Access
      The emergence of Next Generation Sequencing (NGS) platforms has increased the throughput of genomic sequencing and in turn the amount of data that needs to be processed, requiring highly efficient computation for its ...

    • Accurate ILP-Based Contention Modeling on Statically Scheduled Multicore Systems 

      Palomo, Xavier; Mezzetti, Enrico; Abella Ferrer, Jaume; Bril, Reinder J.; Cazorla, Francisco J. (IEEE, 2019-06-24)
      Conference lecture
      Open Access
      Commercially available Off The Shelf (COTS) multicores have been assessed as the baseline computing platform even in the most conservative real-time domains. Multicore contention arising on shared hardware resources, with ...

    • 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.

    • Adaptive mesh simulations of compressible flows using stabilized formulations 

      Bayona Roa, Camilo Andrés (Universitat Politècnica de Catalunya, 2017-12-15)
      Doctoral thesis
      Open Access
      This thesis investigates numerical methods that approximate the solution of compressible flow equations. The first part of the thesis is committed to studying the Variational Multi-Scale (VMS) finite element approximation ...

    • Advanced Performance Analysis of HPC Workloads on Cavium ThunderX 

      Calore, Enrico; Mantovani, Filippo; Ruiz, Daniel (IEEE, 2018)
      Conference lecture
      Open Access
      The interest towards Arm based platforms as HPC solutions increased significantly during the last 5 years. In this paper we show that, in contrast to the early days of pioneer tests, several application performance analysis ...

    • 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, 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 approach for an efficient execution of SPMD applications on Multi-core environments 

      Muresano, Ronal; Meyer, Hugo; Rexachs, Dolores; Luque, Emilio (Elsevier, 2017-01)
      Article
      Open Access
      Executing traditional Message Passing Interface (MPI) applications on multi-core cluster balancing speed and computational efficiency is a difficult task that parallel programmers have to deal with. For this reason, ...