Browsing by Subject "Embedded computer systems"

Now showing items 1-20 of 120

    • A cache design for probabilistically analysable real-time systems 

      Kosmidis, Leonidas; Abella Ferrer, Jaume; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier (2013)
      Conference report
      Restricted access - publisher's policy
      Caches provide significant performance improvements, though their use in real-time industry is low because current WCET analysis tools require detailed knowledge of program's cache accesses to provide tight WCET estimates. ...

    • A confidence assessment of WCET estimates for software time randomized caches 

      Benedicte Illescas, Pedro; Kosmidis, Leonidas; Quiñones, Eduardo; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Open Access
      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 ...

    • A frequency-based approach for the detection and classification of structural changes using t-SNE 

      Agis Cherta, David; Pozo Montero, Francesc (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-21)
      Article
      Open Access
      This work presents a structural health monitoring (SHM) approach for the detection and classification of structural changes. The proposed strategy is based on t-distributed stochastic neighbor embedding (t-SNE), a nonlinear ...

    • A highly scalable parallel implementation of H.264 

      Azevedo, Arnaldo; Juurlink, Ben; Meenderinck, Cor; Terechko, Andrei; Hoogerbrugge, Jan; Álvarez Mesa, Mauricio; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (2011)
      Article
      Open Access
      Developing parallel applications that can harness and efficiently use future many-core architectures is the key challenge for scalable computing systems. We contribute to this challenge by presenting a parallel implementation ...

    • A low cost split-issue technique to improve performance of SMT clustered VLIW processors 

      Gupta, Manoj; Sánchez Carracedo, Fermín; Llosa Espuny, José Francisco (2010)
      Conference report
      Open Access
      Abstract—Very Long Instruction Word (VLIW) processors are a popular choice in embedded domain due to their hardware simplicity, low cost and low power consumption. Simultaneous MultiThreading (SMT) is a popular technique for ...

    • A streaming machine description and programming model 

      Carpenter, Paul; Ródenas Picó, David; Martorell Bofill, Xavier; Ramírez Bellido, Alejandro; Ayguadé Parra, Eduard (2007-07)
      Article
      Restricted access - publisher's policy
      In this paper we present the initial development of a streaming environment based on a programming model and machine description. The stream programming model consists of an extension to the C language and it’s translation ...

    • An approach for detecting power peaks during testing and breaking systematic pathological behavior 

      Trilla Rodríguez, David; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      The verification and validation process of embedded critical systems requires providing evidence of their functional correctness and also that their non-functional behavior stays within limits. In this work, we focus on ...

    • An evaluation of different DLP alternatives for the embedded media domain 

      Salamí San Juan, Esther; Corbal San Adrián, Jesús; Valero Cortés, Mateo; Espasa Sans, Roger (1999)
      Conference report
      Open Access
      The importance of media processing has produced a revolution in the design of embedded processors. In order to face the high computational and technological demands of near future media applications, new embedded processors ...

    • An On-board Algorithm Implementation on an Embedded GPU: A Space Case Study 

      Rodríguez Ferrandez, Ivan (Universitat Politècnica de Catalunya, 2021-01-22)
      Master thesis
      Open Access
      Covenantee:   Barcelona Supercomputing Center
      On-board processing requirements of future space missions are constantly increasing, calling for new hardware than the traditional ones used in space. Embedded GPUs are an attractive candidate offering both high performance ...

    • Analysis and evaluation of embedded graphics solutions for critical systems 

      Benito Bermúdez, Marc (Universitat Politècnica de Catalunya, 2019-10-16)
      Bachelor thesis
      Open Access
      Covenantee:   Barcelona Supercomputing Center
      En el camp dels sistemes crítics, que inclou l'automotriu, l'aviònica i els sistemes espacials, es necessita més capacitat de computació per aportar tant valor funcional com seguretat addicional. Per aconseguir-ho, la ...

    • Architectural support for real-time task scheduling in SMT processors 

      Cazorla Almeida, Francisco Javier; Knijnenburg, Peter M.W.; Sakellariou, Rizos; Fernández, Enrique; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (2005)
      External research report
      Open Access
      In Simultaneous Multithreaded (SMT) architectures most hardware resources are shared between threads. This provides a good cost/performance trade-off which renders these architectures suitable for use in embedded systems. ...

    • Automatització de testing i validació per aplicacions C en sistemes encastats 

      Grífol Álvarez, Aleix (Universitat Politècnica de Catalunya, 2018-10)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Ficosa Electronics
      En aquest treball de final de grau, es desenvoluparà una metodologia de treball amb una sèrie d'eines, que un cop integrades dins d'un projecte dedicat al desenvolupament de software, es permeti i faciliti la creació de ...

    • Captura, presentació i processament de les dades d'un sensor NIR industrial 

      Marín Corbera, Jordi (Universitat Politècnica de Catalunya, 2011-07-20)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      English: This project provides a solution to perform real-time measures and integrates that system in a measure system based on a NIR sensor

    • Challenges in deeply heterogeneous high performance systems 

      Agosta, Giovanni; Fornaciari, William; Atienza, David; Canal Corretger, Ramon; Cilardo, Alessandro; Flich Cardo, José; Hernández Luz, Carles; Kulczewski, Michal; Massari, Giuseppe; Tornero Gavilá, Rafael; Zapater Sancho, Marina (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      RECIPE (REliable power and time-ConstraInts-aware Predictive management of heterogeneous Exascale systems) is a recently started project funded within the H2020 FETHPC programme, which is expressly targeted at exploring ...

    • Clock synchronization of a broadband seismometer through IEEE-1588 protocol 

      Pallares, Oriol; Río Fernandez, Joaquín del; Shariat Panahi, Shahram (2010-12-01)
      Article
      Open Access
      In seismology, the time of the signal acquisition is highly important in order to know the magnitude and location of the earthquake. This paper presents the tests carried out to synchronize the seismometer clock through ...

    • Comunicació i tractament de dades en projectes oritentats a l'electrònica de potència 

      Puig Sanchez, Sergi (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      En el mundo de la informática y la comunicación hay una necessidad muy importante de comunicar diferentes dispositivos electrónicos de forma remota y dependiendo del sector en el que estemos trabajando puede ser que el ...

    • Contention-aware performance monitoring counter support for real-time MPSoCs 

      Jalle Ibarra, Javier; Fernández, Mikel; Abella Ferrer, Jaume; Andersson, Jan; Patte, Mathieu; Fossati, Luca; Zulianello, Marco; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference lecture
      Open Access
      Tasks running in MPSoCs experience contention delays when accessing MPSoC’s shared resources, complicating task timing analysis and deriving execution time bounds. Understanding the Actual Contention Delay (ACD) each task ...

    • Deconstructing bus access control policies for real-time multicores 

      Jalle Ibarra, Javier; Abella Ferrer, Jaume; Quiñones, Eduardo; Fossati, Luca; Zulianello, Marco; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      Multicores may satisfy the growing performance requirements of critical Real-Time systems which has made industry to consider them for future real-time systems. In a multicore, the bus contention-control policy plays a key ...

    • Desarollo de sistemas embedded basados en Linux para aplicaciones radio streaming 

      Fernández Escuín, Carlos (Universitat Politècnica de Catalunya, 2009-09)
      Master thesis (pre-Bologna period)
      Open Access

    • Design and Development of a Linux-based Operating User System for CubeSat On-Board Computers 

      Montsech Bravo, Isaac (Universitat Politècnica de Catalunya, 2019-06)
      Bachelor thesis
      60 months embargo
      The purpose of this work is to develop and test a Linux-based embedded software system for a nanosatellite. The main objective will be the development of a set of configuration files to use within a build system, which ...