Listar Arquitectura de Computadores - (AC) por título
Mostrando ítems 99-118 de 183
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An Introduction to Intel Threading Building Blocks and its Support for Heterogeneous Programming
Asenjo-Plaza, Rafael
; Cownie, Jim; Fedotov, Aleksei (2018-03-12)
Due to energy constraints, high performance computing platforms are becoming increasingly heterogeneous, achieving greater performance per watt through the use of hardware that is tuned to specific computational kernels ... -
Inventory control for a non-stationary demand perishable product: comparing policies and solution methods
Hendrix, Eligius María Theodorus; Pauls-Worm, Karin G.J. (2018-03-02)
This paper summarizes our findings with respect to order policies for an inventory control problem for a perishable product with a maximum fixed shelf life in a periodic review system, where chance constraints play a role. ... -
Irregular alignment of arbitrarily long DNA sequences on GPU
Perez-Wohlfeil, Esteban; Trelles-Salazar, Oswaldo Rogelio; Guil-Mata, Nicolás (Springer Nature, 2022-12-22)
The use of Graphics Processing Units to accelerate computational applications is increasingly being adopted due to its affordability, flexibility and performance. However, achieving top performance comes at the price of ... -
Irrevocabilidad Relajada para Memoria Transaccional Hardware
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián; Zapata, Emilio L.; Plata-González, Óscar Guillermo (2016-09-20)
Los sistemas comerciales que ofrecen memoria transaccional (TM) implementan un sistema hardware best-effort (BE-HTM) con limitaciones. Es necesario programar un fallback software basado en cerrojos para asegurar el progreso ... -
Lightweight asynchronous scheduling in heterogeneous reconfigurable systems
Rodríguez-Moreno, Andrés; González-Navarro, María Ángeles; Nikov, Kris; Nunez-Yanez, José; Gran-Tejero, Rubén; Suárez Gracia, Darío; Asenjo-Plaza, Rafael[et al.] (Elsevier, 2022-03)
The trend for heterogeneous embedded systems is the integration of accelerators and general-purpose CPU cores on the same die. In these integrated architectures, like the Zynq UltraScale+ board (CPU+FPGA) that we target ... -
Localizando partículas en un fluido a partir de holografías y computación de altas prestaciones
Ortega, Gloria L.; Lobera, Julia; García-Fernández, Inmaculada; Arroyo, Maria del Pilar; Garzón, Ester M. (2014-09-24)
La tomografía se ha introducido recientemente en la velocimetría de fluidos para proporcionar información en tres dimensiones de la localización de partículas en el seno de fluidos. En concreto, algunos trabajos previos ... -
Low-textured regions detection for improving stereoscopy algorithms
Ibarra-Delgado, Salvador; Ramos-Cózar, Julián; González-Linares, José María; Gómez Luna, Juan; Guil-Mata, Nicolás (2014-07-29)
The main goal of stereoscopy algorithms is the calculation of the disparity map between two frames corresponding to the same scene, and captured simultaneously by two different cameras. The different position (disparity) ... -
Measuring Improvement when Using HUB Formats to Implement Floating-Point Systems under Round-to-Nearest
Hormigo-Aguilar, Javier; Villalba-Moreno, Julio (IEEE, 2016)
This paper analyzes the benefits of using HUB formats to implement floating-point arithmetic under round-tonearest mode from a quantitative point of view. Using HUB formats to represent numbers allows the removal of the ... -
Mejorando el rendimiento de la memoria transaccional para aplicaciones irregulares
Pedrero-Luque, Manuel; Gutiérrez-Carrasco, Eladio Damián; Romero-Montiel, Sergio; Plata-González, Óscar Guillermo (2018-11-15)
La Memoria Transaccional (TM) ofrece un modelo de ejecución concurrente optimista en arquitecturas multinúcleo, permitiendo a los programadores extraer paralelismo cuando la información de las dependencias de datos no está ... -
Memoria Transaccional Hardware en Memoria Local de GPU
Villegas Fernández, Alejandro; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Plata-González, Óscar Guillermo (2015-09-25)
Los aceleradores gráficos (GPUs) se han convertido en procesadores de prop ́osito general muy populares para el cómputo de aplicaciones que presen- tan un gran paralelismo de datos. Su modelo de ejecución SIMT (Single ... -
Memoria Transaccional Software en Procesadores CPU+GPU Heterogéneos
González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Plata-González, Óscar Guillermo; Villegas Fernández, Alejandro (2018-09-19)
En los procesadores multi-núcleo, la memoria transaccional (TM) ha aparecido como una alternativa prometedora a las técnicas basadas en cerrojos para garantizar exclusión mutua y está siendo incluida como parte de procesadores ... -
MgO-containing porous carbon spheres derived from magnesium lignosulfonate as sustainable basic catalysts
García-Rollán, Miguel; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2022-11-26)
The presence of alkalis in lignosulfonate allows an easy preparation of sustainable MgO-containing carbon catalysts with surface basicity by carbonization of magnesium lignosulfonate and/or further partial gasification of ... -
miRNA as biomarker in lung cancer
Salcedo Lobera, Esperanza; Arroyo Varela, Macarena; Larrosa-Jiménez, Rafael; Bautista-Moreno, Rocío (Springer Nature, 2023-08-29)
Lung cancer has a high prevalence and mortality due to its late diagnosis and limited treatment, so it is essential to find biomarkers that allow a faster diagnosis and improve the survival of these patients. In this sense, ... -
Modelling vessel fleet composition for maintenance operations at offshore wind farms
Gutiérrez-Alcoba, Alejandro; García-Fernández, Inmaculada; Ortega López, Gloria; Hendrix, Eligius María Theodorus (2018-12-20)
Chartering a vessel fleet to support maintenance operations at offshore wind farms (OWF's) constitutes one of the major costs of maintaining this type of installations. Literature describes deterministic optimization models ... -
Multimodal Human Pose Feature Fusion for Gait Recognition.
Cubero, Nicolás; Castro Payán, Francisco Manuel; Ramos-Cózar, Julián; Guil-Mata, Nicolás; Marín Jiménez, Manuel Jesús (2023)
Gait recognition allows identifying people at a distance based on the way they walk (i.e. gait) in a non-invasive approach. Most of the approaches published in the last decades are dominated by the use of silhouettes or ... -
NATSA: A Near-Data Processing Accelerator for Time Series Analysis.
Fernández-Vega, Iván; Quislant-del-Barrio, Ricardo; Giannoula, Christina; Alser, Mohammed; Gómez-Luna, Juan; Gutiérrez-Carrasco, Eladio Damián; Plata-González, Óscar Guillermo; Mutlu, Onur[et al.] (IEEE, 2020)
El análisis de series temporales es una técnica clave para extraer y predecir sucesos en ámbitos tan diversos como la epidemiología, la genómica, la neurociencia, las ciencias medioambientales o la economía, entre otros. ... -
New formats for computing with real-numbers under round-to-nearest
Hormigo-Aguilar, Javier; Villalba-Moreno, Julio (2015-09-17)
In this paper, a new family of formats to deal with real number for applications requiring round to nearest is proposed. They are based on shifting the set of exactly represented numbers which are used in conventional ... -
New Results on Non-normalized Floating-point Formats
González-Navarro, Sonia; Hormigo-Aguilar, Javier (IEEE Computer Society, 2019)
Compulsory normalization of the represented numbers is a key requirement of the floating-point standard. This requirement contributes to fundamental characteristics of the standard, such as taking the most of the precision ... -
Normalizing or not normalizing? An open question for floating-point arithmetic in embedded systems
González-Navarro, Sonia; Hormigo-Aguilar, Javier (IEEE, 2017-07-24)
Emerging embedded applications lack of a specific standard when they require floating-point arithmetic. In this situation they use the IEEE-754 standard or ad hoc variations of it. However, this standard was not designed ... -
Novel parallel approaches to efficiently solve spatial problems on heterogeneous CPU-GPU systems
(UMA Editorial, 2022)In recent years, approaches that seek to extract valuable information from large datasets have become particularly relevant in today's society. In this category, we can highlight those problems that comprise data analysis ...