Browsing by Subject "Supercomputadors"
Now showing items 1-20 of 287
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1st BSC Doctoral Symposium : book of abstracts
(Barcelona Supercomputing Center, 2014-05-26)
Conference report
Open Access -
2013-2014 Severo Ochoa : Research Seminar Lectures at BSC : book of abstracts
(Barcelona Super Computer Center. Education & Training team, 2014-08-05)
Conference report
Open Access -
A 3D-1D cardiac-vascular computational feedbacked model
(Barcelona Supercomputing Center, 2015-05-05)
Conference report
Open AccessA 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
(IEEE, 2018-12-06)
Conference lecture
Open AccessThe 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
(Barcelona Supercomputing Center, 2015-05-05)
Conference report
Open AccessNo-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
(Springer, 2017-08-17)
Part of book or chapter of book
Open AccessOpenMP* 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
(Taylor & Francis, 2020-07-16)
Article
Open AccessFor 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
(SAGE Publications, 2019-05-01)
Article
Open AccessDistributed 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
(Elsevier, 2021-01)
Article
Open AccessThe 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
(Association for Computing Machinery (ACM), 2018-07)
Conference lecture
Open AccessWe 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 model of checkpoint behavior for applications that have I/O
(Springer, 2022-04)
Article
Open AccessDue to the increase and complexity of computer systems, reducing the overhead of fault tolerance techniques has become important in recent years. One technique in fault tolerance is checkpointing, which saves a snapshot ... -
A Novel approach to reconstruct the plinian and co-ignimbrite phases of large eruptions - Campanian Ignimbrite
(Barcelona Supercomputing Center, 2015-05-05)
Conference report
Open AccessReconstructing 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
(Barcelona Supercomputing Center, 2015-05-05)
Conference report
Open AccessThis 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 FFT using NEC SX-Aurora vector engine
(Springer, 2021)
Conference report
Restricted access - publisher's policyNovel architectures leveraging long and variable vector lengths like the NEC SX-Aurora or the vector extension of RISCV are appearing as promising solutions on the supercomputing market. These architectures often require ... -
Accelerating K-mer Frequency Counting with GPU and Non-Volatile Memory
(IEEE, 2018-02-15)
Conference lecture
Open AccessThe 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 ... -
Acceleration with long vector architectures: Implementation and evaluation of the FFT kernel on NEC SX-Aurora and RISC-V vector extension
(Wiley (John Wiley & Sons), 2022-11-02)
Article
Restricted access - publisher's policyNovel architectures leveraging long and variable vector lengths like the NEC SX-Aurora or the vector extension of RISCV are appearing as promising solutions on the supercomputing market. These architectures often require ... -
Accurate ILP-Based Contention Modeling on Statically Scheduled Multicore Systems
(IEEE, 2019-06-24)
Conference lecture
Open AccessCommercially 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
(Universitat Politècnica de Catalunya, 2014-09-04)
Master thesis
Open AccessThe 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
(Universitat Politècnica de Catalunya, 2017-12-15)
Doctoral thesis
Open AccessThis 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
(IEEE, 2018)
Conference lecture
Open AccessThe 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 ...