• closedAccess   A Multiresolution Approach to Render 3D Models 

      Ramos, Jose Francisco; Chover, Miguel; Ripollés Mateu, Oscar Enrique IOS Press (2013)
      Image synthesis techniques are present in a wide range of applications as they leverage the amount of information required for creating realistic visualizations. For fast hardware rendering they usually employ a triangle-based ...
    • closedAccess   Adaptive Precision Block-Jacobi for High Performance Preconditioning in the Ginkgo Linear Algebra Software 

      Flegar, Goran; Anzt, Hartwig; Cojean, Terry; Quintana-Orti, Enrique S. Association for Computing Machinery (ACM) (2021-04)
      The use of mixed precision in numerical algorithms is a promising strategy for accelerating scientific applications. In particular, the adoption of specialized hardware and data formats for low-precision arithmetic in ...
    • openAccess   An Efficient Implementation of Parallel Parametric HRTF Models for Binaural Sound Synthesis in Mobile Multimedia 

      BELLOCH, JOSE A.; Ramos, Germán; Badía, José; Cobos, Máximo IEEE (2020-02-09)
      The extended use of mobile multimedia devices in applications like gaming, 3D video and audio reproduction, immersive teleconferencing, or virtual and augmented reality, is demanding efficient algorithms and methodologies. ...
    • openAccess   Analysing the influence of memory and workload on the reliability of GPUs under neutron radiation 

      León, Germán; Badía, José; BELLOCH, JOSE A.; García Valderas, Mario; LINDOSO, ALMUDENA; Entrena, Luis Institute of Electrical and Electronics Engineers Inc. (2024-04-11)
      Evaluating the impact of utilising different GPU resources is crucial for gaining insights into the reliability of GPUs when exposed to radiation. In this study, we employed various versions of a microbenchmark to investigate ...
    • openAccess   Comparative analysis of soft-error sensitivity in LU decomposition algorithms on diverse GPUs 

      Leon, German; Badia, Jose M.; BELLOCH, JOSE A.; LINDOSO, ALMUDENA; Entrena, Luis Springer (2024-02-25)
      Graphics processing units (GPUs) have become integral to embedded systems and supercomputing centres due to their large memory, cutting-edge technology and high performance per watt. However, their susceptibility to ...
    • openAccess   Computación de altas prestaciones en genómica 

      Martínez Pérez, Héctor Universitat Jaume I (2020-01-28)
      Esta tesis se centra en la aplicación de técnicas de computación de altas prestaciones a dos problemas bioinformáticos. La primera parte del trabajo ha consistido en el desarrollo de un software eficiente para el alineamiento ...
    • closedAccess   Continuous Level of Detail for Large Scale Rendering of 3D Animated Polygonal Models 

      Ramos, Jose Francisco; Ripollés Mateu, Oscar Enrique; Chover, Miguel Springer Berlin Heidelberg (2012)
      Current simulation applications are mainly focused on the efficient management of scenarios with static objects. However, managing dynamic objects, such as animated characters, is very different and requires more specific ...
    • openAccess   Enhancing the Rendering of Natural Scenes: Rain, Sea and Terrain 

      Puig Centelles, Anna Universitat Jaume I (2010-02-12)
      Los escenarios de exteriores en aplicaciones gráficas incluyen generalmente fenómenos naturales que son complicados de simular en tiempo real. Así, en el campo de la visualización interactiva se han propuesto soluciones ...
    • openAccess   Evaluación de prestaciones mediante la aplicación HPL de clusters utilizando rCUDA 

      Castelló, Adrián Universitat Jaume I (2014)
      A lo largo de este documento se describe el proyecto realizado en la asignatura SIU043-Trabajo Fin de Máster. Este trabajo se ha llevado a cabo en el grupo de investigación High Performance Computing and Architectures ...
    • openAccess   Evaluating the soft error sensitivity of a GPU-based SoC for matrixmultiplication 

      León, Germán; Badía, José; BELLOCH, JOSE A.; LINDOSO, ALMUDENA; Entrena, Luis Elsevier (2020)
      System-on-Chip (SoC) devices can be composed of low-power multicore processors combined with a small graphics accelerator (or GPU) which offers a trade-off between computational capacity and low-power consumption. In this ...
    • openAccess   GPU acceleration of a non-standard finite element mesh truncation technique for electromagnetics 

      Badía, José; Amor-Martin, Adrian; BELLOCH, JOSE A.; GARCIA, LUIS EMILIO IEEE (2020-05-07)
      The emergence of General Purpose Graphics Processing Units (GPGPUs) provides new opportunities to accelerate applications involving a large number of regular computations. However, properly leveraging the computational ...
    • openAccess   GPU-Accelerated Vision for Robots: Improving System Throughput Using OpenCV and CUDA 

      Cervera, Enric IEEE (2020-06)
      OpenCV is an open source computer vision and machine learning library for C/C++/Python available for Windows, Linux, macOS, and Android platforms. It contains low-level image processing functions as well as high-level ...
    • openAccess   High-performance reconstruction of CT medical images by using out-of-core methods in GPU 

      Quintana-Ortí, Gregorio; Chillarón, Mónica; Vidal, Vicente; Verdu, Gumersindo Elsevier (2022-03-02)
      Background and objective:Since Computed Tomography (CT) is one of the most widely used medical imaging tests, it is essential to work on methods that reduce the radiation the patient is exposed to. Although there are several ...
    • openAccess   Improving the management efficiency of GPU workloads in data centers through GPU virtualization 

      Iserte, Sergio; Prades, Javier; Reaño, Carlos; Silla, Federico Wiley (2019)
      Graphics processing units (GPUs) are currently used in data centers to reduce the execution time of compute‐intensive applications. However, the use of GPUs presents several side effects, such as increased acquisition costs ...
    • openAccess   Level-of-Detail Triangle Strips for Deforming Meshes 

      Ramos, Jose Francisco; Chover, Miguel; Parus, Jindra; Kolingerova, Ivana Springer Verlag (2008)
      Applications such as video games or movies often contain deforming meshes. The most-commonly used representation of these types of meshes consists in dense polygonal models. Such a large amount of geometry can be efficiently ...
    • openAccess   Object Detection and Recognition for Assistive Robots: Experimentation and Implementation 

      Martínez Martín, Ester; del Pobil, Angel P. Institute of Electrical and Electronics Engineers (IEEE) (2017-09)
      Technological advances are being made to assist humans in performing ordinary tasks in everyday settings. A key issue is the interaction with objects of varying size, shape, and degree of mobility. Autonomous assistive ...
    • openAccess   On the performance of a GPU-based SoC in a distributed spatial audio system 

      BELLOCH, JOSE A.; Badía, José; Larios Marín, Diego Francisco; Personal, Enrique; Ferrer, Miguel; Fuster, Laura; Lupoiu, Mihaita Alexandru; González, Alberto; León, Carlos; Vidal, Antonio M.; Quintana-Orti, Enrique S. Springer (2021-01-04)
      Many current system-on-chip (SoC) devices are composed of low-power multicore processors combined with a small graphics accelerator (or GPU) offering a trade-off between computational capacity and low-power consumption. ...
    • openAccess   Real-time tessellation of terrain on graphics hardware 

      Puig Centelles, Anna; Ripollés Mateu, Oscar Enrique; Ramos, Jose Francisco; Chover, Miguel Elsevier (2012-04)
      Synthetic terrain is a key element in many applications, which can lessen the sense of realism if it is not handled correctly. We propose a new technique for visualizing terrain surfaces by tessellating them on the GPU. ...
    • openAccess   Remote GPU Virtualization: Is It Useful? 

      Silla, Federico; Prades, Javier; Iserte, Sergio; Reaño, Carlos IEEE (2016-03)
      Graphics Processing Units (GPUs) are currently used in many computing facilities. However, GPUs present several side effects, such as increased acquisition costs as well as larger space requirements. Also, GPUs still require ...
    • openAccess   Strategies to parallelize a finite element mesh truncation technique on multi-core and many-core architectures 

      Badia, Jose M.; Amor-Martin, Adrian; BELLOCH, JOSE A.; Garcia-Castillo, Luis Emilio Springer (2022-12-02)
      Achieving maximum parallel performance on multi-core CPUs and many-core GPUs is a challenging task depending on multiple factors. These include, for example, the number and granularity of the computations or the use of the ...