Enviaments recents

  • A static scheduling approach to enable safety-critical OpenMP applications 

    Melani, Alessandra; Serrano, Maria A.; Bertogna, Marko; Cerutti, Isabella; Quiñones, Eduardo; Buttazzo, Giorgio (IEEE, 2017-02-20)
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    Parallel computation is fundamental to satisfy the performance requirements of advanced safety-critical systems. OpenMP is a good candidate to exploit the performance opportunities of parallel platforms. However, safety-critical ...
  • TaskInsight: Understanding Task Schedules Effects on Memory and Performance 

    Ceballos, Germán; Grass, Thomas; Hugo, Andra; Black-Schaffer, David (Association for Computing Machinery, 2017-02)
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    Recent scheduling heuristics for task-based applications have managed to improve their by taking into account memory-related properties such as data locality and cache sharing. However, there is still a general lack of ...
  • REPP-H: Runtime Estimation of Power and Performance on Heterogeneous Data Centers 

    Nishtala, Rajiv; Martorell Bofill, Xavier; Petrucci, Vinicius; Mossé, Daniel (2016)
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    Modern data centers increasingly demand improved performance with minimal power consumption. Managing the power and performance requirements of the applications is challenging because these data centers, incidentally or ...
  • A confidence assessment of WCET estimates for software time randomized caches 

    Benedicte Illescas, Pedro; Kosmidis, Leonidas; Quiñones Moreno, Eduardo; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Obtaining Worst-Case Execution Time (WCET) estimates is a required step in real-time embedded systems during software verification. Measurement-Based Probabilistic Timing Analysis (MBPTA) aims at obtaining WCET estimates ...
  • Fitting processor architectures for measurement-based probabilistic timing analysis 

    Kosmidis, Leonidas; Quiñones Moreno, Eduardo; Abella Ferrer, Jaume; Vardanega, Tullio; Hernández, Carles; Gianarro, Andrea; Broster, Ian; Cazorla Almeida, Francisco Javier (2016-11-01)
    Article
    Accés restringit per política de l'editorial
    The pressing market demand for competitive performance/cost ratios compels Critical Real-Time Embedded Systems industry to employ feature-rich hardware. The ensuing rise in hardware complexity however makes worst-case ...
  • Rebalancing the core front-end through HPC code analysis 

    Milic, Ugljesa; Carpenter, Paul; Rico, Alejandro; Ramirez, Alex (IEEE, 2016-10-10)
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    There is a need to increase performance under the same power and area envelope to achieve Exascale technology in high performance computing (HPC). The today's chip multiprocessor (CMP) design is tailored by traditional ...
  • A Review of Lightweight Thread Approaches for High Performance Computing 

    Castelló, Adrián; Peña, Antonio J.; Seo, Sangmin; Mayo, Rafael; Balaji, Pavan; Quintana-Ortí, Enrique S. (IEEE, 2016-12-08)
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    High-level, directive-based solutions are becoming the programming models (PMs) of the multi/many-core architectures. Several solutions relying on operating system (OS) threads perfectly work with a moderate number of ...
  • Modeling multi-board communication in the AXIOM cyber-physical system 

    Giorgi, Roberto; Mazumdar, Somnath; Viola, Stefano; Gai, Paolo; Garzarella, Stefano; Morelli, Bruno; Pnevmatikatos, Dionisis; Theodoropoulos, Dimitris; Alvarez, Carlos; Ayguadé Parra, Eduard; Bueno, Javier; Filgueras Izquierdo, Antonio; Jiménez-González, Daniel; Martorell Bofill, Xavier (2016-12-01)
    Article
    Accés restringit per política de l'editorial
    The main goal of the AXIOM project is to design a small board that could be used as a LEGOTM-style module to build systems with more performance while keeping the programming task simple by using a familiar shared-memory ...
  • Implications of non-volatile memory as primary storage for database management systems 

    Mustafa, Naveed U.; Armejach, Adrià; Ozturk, Ozcan; Cristal, Adrián; Unsal, Osman S. (IEEE, 2017-01-19)
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    Traditional Database Management System (DBMS) software relies on hard disks for storing relational data. Hard disks are cheap, persistent, and offer huge storage capacities. However, data retrieval latency for hard disks ...
  • Scalability of Broadcast Performance in Wireless Network-on-Chip 

    Abadal, Sergi; Mestres, Albert; Nemirovsky, Mario; Lee, Heekwan; Gonzalez, Antonio; Alarcón, Eduard; Cabellos-Aparicio, Albert (IEEE, 2016-12-01)
    Article
    Accés obert
    Networks-on-Chip (NoCs) are currently the paradigm of choice to interconnect the cores of a chip multiprocessor. However, conventional NoCs may not suffice to fulfill the on-chip communication requirements of processors ...

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