Browsing by Subject "Sistemes operatius (Ordinadors)"

Now showing items 1-20 of 56

    • A case for user-level dynamic page migration 

      Nikolopoulos, Dimitrios; Papatheodorou, Theodore; Polychronopoulos, Constantine D.; Labarta Mancho, Jesús José; Ayguadé Parra, Eduard (Association for Computing Machinery (ACM), 2000)
      Conference report
      Open Access
      This paper presents user-level dynamic page migration, a runtime technique which transparently enables parallel programs to tune their memory performance on distributed shared memory multiprocessors, with feedback obtained ...

    • A dynamic scheduler for balancing HPC applications 

      Boneti, Carlos; Gioiosa, Roberto; Cazorla, Francisco; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      Conference report
      Open Access
      Load imbalance cause significant performance degradation in High Performance Computing applications. In our previous work we showed that load imbalance can be alleviated by modern MT processors that provide mechanisms for ...

    • A kernel extension to handle missing data 

      Nebot Troyano, Guillermo; Belanche Muñoz, Luis Antonio (Springer-Verlag, 2009)
      Conference report
      Open Access
      An extension for univariate kernels that deals with missing values is proposed. These extended kernels are shown to be valid Mercer kernels and can adapt to many types of variables, such as categorical or continuous. The ...

    • A library implementation of the nano-threads programming model 

      Martorell Bofill, Xavier; Labarta Mancho, Jesús José; Navarro, Nacho; Ayguadé Parra, Eduard (Springer, 1996)
      Conference report
      Open Access
      In this paper we describe the design and implementation of a user-level thread package based on the nano-threads programming model, whose goal is to efficiently manage the application parallelism at user-level. Nano-thread ...

    • Advanced OS deployment system 

      Galiano Molina, Sebastián (Universitat Politècnica de Catalunya, 2007-11-23)
      Master thesis (pre-Bologna period)
      Open Access
      Personal Computers are a fundamental tool in many disciplines of study and work. In many cases they are offered to users inside an open room to be used freely for their needs. A college computer laboratory is just one ...

    • Analysis and practice of micro-services deployments technologies based on containers 

      López Pocino, Jesús (Universitat Politècnica de Catalunya, 2021-01)
      Bachelor thesis
      Open Access
      El objetivo de este proyecto es la investigación y práctica del despliegue de micro tecnologías basadas en contenedores desde el punto de vista de una organización en crecimiento que nunca antes había ...

    • Analysis of free-cooling system for telecom data centers (Base Transceiver Stations) ¿ big data analytics and pattern detection model. 

      Chmielnicki, Lukasz (Universitat Politècnica de Catalunya, 2018-06-21)
      Master thesis
      Open Access
      1.Introductory and Organizational Activities 2.State of Art - Available tools review 3.Programming Skills Development 4.Model creation - statistical approach 5.Model creation with ML techniques 6.Comparison of two approaches/ ...

    • Aplicació per monitoritzar la Qualitat del Servei 

      Soto Oseira, Rubén (Universitat Politècnica de Catalunya, 2017)
      Bachelor thesis
      Open Access
      El meu treball de fi de Grau és un projecte que està inclòs en un altre projecte més gran, anomenat SUPERSEDE, que pretén crear un sistema de millora d’aplicacions. Aquest sistema consistirà en un cicle amb diverses ...

    • Appzheimer: Plataforma Android para enfermos de Alzheimer 

      Urbano Torres, Antonio Jesus (Universitat Politècnica de Catalunya, 2014-06-30)
      Bachelor thesis
      Open Access

    • Audio application based on FreeRTOS operating system 

      Mendieta Pons, Pau (Universitat Politècnica de Catalunya, 2017-01-12)
      Bachelor thesis
      Open Access
      This current report describes in detail how the Quartet code for a Microchip PIC18 microcontroller, developed by Pere Domenech in his Final Degree Project, has been migrated to a Microchip PIC24 microcontroller. The original ...

    • Automatització del manteniment del sistema operatiu i software a grans departaments 

      Díaz Bertólez, Roberto (Universitat Politècnica de Catalunya, 2016-09)
      Master thesis (pre-Bologna period)
      Open Access
      El següent projecte neix de la necessitat d'automatitzar el procés d'actualització dels equips informàtics, de la forma més ràpida i eficient possible. En un Departament de la UPC ha sorgit la necessitat d'agilitar ...

    • Captura de pantalla en modo kernel 

      Muniategui Climente, Javier de (Universitat Politècnica de Catalunya, 2019-06-24)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Jugar a videojocs s'ha convertit en un hobby molt important per la societat actual. LudiumLab està innovant en aquest hobby amb una plataforma de \textit{cloud gaming} anomenada SoraStream, la qual permet als jugadors ...

    • Code-Centric Domain Isolation : a hardware/software co-design for efficient program isolation 

      Vilanova García, Lluís (Universitat Politècnica de Catalunya, 2016-01-14)
      Doctoral thesis
      Open Access
      Current software systems contain a multitude of software components: from simple libraries to complex plugins and services. System security and resiliency depends on being able to isolate individual components onto separate ...

    • Desarrollo de un sistema basado en MPC8572 Y Linux 

      Gómez Morales, Isaac (Universitat Politècnica de Catalunya, 2009-03-17)
      Master thesis
      Open Access
      Los objetivos a cuya consecución viene a dar respuesta el desarrollo del Proyecto son:Examinación del hardware dado, para ver las características de éste que se puedan explotar. Elegir un sistema operativo, lo menos ...

    • Desenvolupament d'una plataforma basada en Android d'accés a dades en edificis en cas d'emergència 

      Bestard Martí, Jaume (Universitat Politècnica de Catalunya, 2013-07-25)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      [ANGLÈS] This project aims to address the creation of an application targeted for mobile platforms to access important information on emergency scenarios. This application will enable the person who uses it to get a quick ...

    • 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
      Restricted access - confidentiality agreement
      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 ...

    • Design space exploration of power efficient embedded OS system for SmartCards 

      Igarza Mateo, Marc (Universitat Politècnica de Catalunya, 2021-04-29)
      Master thesis
      Restricted access - author's decision
      Covenantee:   Giesecke & Devrient
      Knowing the contents of the heap memory may be vital when optimizing memory management processes or during a release process of a Smart Card. The objective of this project is to develop a deep understanding of how ...

    • DeTrans: Deterministic and parallel execution of transactions 

      Smiljkovic, Vesna; Stipic, Srdjan; Fetzer, Christof; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Deterministic execution of a multithreaded application guarantees the same output as long as the application runs with the same input parameters. Determinism helps a programmer to test and debug an application and to provide ...

    • DevOps : Continuous integration and continuous deployment applied 

      Pascual Haba, Héctor (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      DevOps is a trending concept in the SW industry introduced and popularized during the last decade, this thesis goes deep into the concept, the culture and fields related to it which are present in almost each project and ...

    • Direct Inter-Process Communication (dIPC): Repurposing the CODOMs architecture to accelerate IPC 

      Vilanova, Lluis; Jordà Peroliu, Marc; Navarro, Nacho; Etsion, Yoav; Valero Cortés, Mateo (Association for Computing Machinery (ACM), 2017)
      Conference report
      Open Access
      In current architectures, page tables are the fundamental mechanism that allows contemporary OSs to isolate user processes, binding each thread to a specific page table. A thread cannot therefore directly call another ...