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Listar por autor "Quislant-del-Barrio, Ricardo"
Mostrando ítems 1-20 de 25
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Barreras especulativas con memoria transaccional
Pedrero-Luque, Manuel; Quislant-del-Barrio, Ricardo
; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(Sociedad de Arquitectura y Tecnología de Computadores (SARTECO), 2019)
La Memoria Transaccional (TM) es una alternativa al modelo de programación basado en locks que pretende simplificar la programación paralela. TM sustituye locks por transacciones para resolver el problema de la exclusión ... -
Enhancing Scalability In Best-Effort Hardware Transactional Memory Systems
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(Elsevier, 2017)
Current industry proposals for hardware transactional memory focus on best-effort solutions where hardware limits are imposed on transactions. These designs can efficiently execute transactions but they may abort due to ... -
Exploiting Vector Extensions to Accelerate Time Series Analysis.
Quislant-del-Barrio, Ricardo; Fernández-Vega, Iván; Serralvo, Eduardo; Gutiérrez-Carrasco, Eladio Damián
; Plata-González, Óscar Guillermo
(SARTECO, 2022-09-21)
Time series analysis is an important research topic and a key step in monitoring and predicting events in many fields. Recently, the Matrix Profile method, and particularly two of its Euclidean-distance-based implementations ... -
Exploring multiprocessor approaches to time series analysis
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; Plata-González, Óscar Guillermo
(Elsevier, 2024-02-08)
A time series is a chronologically ordered set of samples of a real-valued variable that can have millions of observations. Time series analysis seeks extracting models in a large variety of domains [31] such as epidemiology, ... -
Hardware Signature Designs to Deal With Asymmetry in Transactional Data Sets
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; Plata-González, Óscar Guillermo
; López-Zapata, Emilio
(IEEE, 2013)
Transactional Memory (TM) systems must track memory accesses made by concurrent transactions in order to detect conflicts. Many TM implementations use signatures for this purpose, which summarize reads and writes in ... -
Improving Hardware Transactional Memory Parallelization of Computational Geometry Algorithms Using Privatizing Transactions.
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(Elsevier, 2019-05-06)
Hardware transactional memory is a new parallel programming paradigm supported by current commercial multiprocessors. This paradigm provides optimistic concurrency and overcomes some of the problems associated with classical ... -
Improving Signature Behavior by Irrevocability in Transactional Memory Systems
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(IEEE Computer Society, 2014)
Signatures have been proposed in Hardware Transactional Memory (HTM) to represent read and write sets of transactions and decouple transaction conflict detection from private caches. Generally, signatures are implemented ... -
Improving Signatures by Locality Exploitation for Transactional Memory
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; Plata-González, Óscar Guillermo
; López-Zapata, Emilio
(IEEE, 2009)
Writing multithreaded programs is a fairly complex task that poses a major obstacle to exploit multicore processors. Transactional Memory (TM) emerges as an alternative to the conventional multithreaded programming to ... -
Insights into the Fallback Path of Best-Effort Hardware Transactional Memory Systems
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; Zapata, Emilio L.; Plata-González, Óscar Guillermo
(Springer International Publishing, 2016-08-24)
Current industry proposals for Hardware Transactional Memory (HTM) focus on best-effort solutions (BE-HTM) where hardware limits are imposed on transactions. These designs may show a significant performance degradation ... -
Interval Filter: A Locality-Aware Alternative to Bloom Filters for Hardware Membership Queries by Interval Classification.
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(Springer, 2010)
Bloom filters are data structures that can efficiently represent a set of elements providing operations of insertion and membership testing. Nevertheless, these filters may yield false positive results when testing for ... -
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 ... -
Lazy Irrevocability for Best-Effort Transactional Memory Systems
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(IEEE, 2017)
IBM and Intel now offer commercial systems with Transactional Memory (TM), a programming paradigm whose aim is to facilitate concurrent programming while maximizing parallelism. These TM systems are implemented in hardware ... -
Leveraging Irrevocability to Deal with Signature Saturation in Hardware Transactional Memory
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(Springer, 2017)
In hardware transactional memory, signatures have been proposed to keep track of memory locations accessed in a transaction to help conflict detection. Generally, signatures are implemented as Bloom filters that suffer ... -
Multiset Signatures for Transactional Memory
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; Plata-González, Óscar Guillermo
; López-Zapata, Emilio
(ACM, 2011)
Transactional Memory (TM) systems must record the memory locations read and written (read and write sets) by concurrent transactions in order to detect conflicts. Some TM implementations use signatures for this purpose, ... -
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. ... -
Privatización parcial de Matrix Profile usando Memoria Transaccional
Páez Bertarini, Ignacio (2022-09)Matrix Profile está consolidado como uno de los métodos para la minería de datos en series temporales. Este algoritmo soluciona el problema de encontrar patrones y anomalías en series temporales de gran tamaño de manera ... -
Privatizing Transactions for Lee's Algorithm in Commercial Hardware Transactional Memory
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; López-Zapata, Emilio
; Plata-González, Óscar Guillermo
(Springer, 2018)
Lee’s algorithm solves the path-connection problems that arise in logical drawing, wiring diagramming or optimal route finding. Its parallel version has been widely used as a benchmark to test transactional memory systems. ... -
Scalability Analysis of Signatures in Transactional Memory Systems
Quislant-del-Barrio, Ricardo; Gutiérrez-Carrasco, Eladio Damián
; Plata-González, Óscar Guillermo
(2014-10-29)
Signatures have been proposed in transactional memory systems to represent read and write sets and to decouple transaction conflict detection from private caches or to accelerate it. Generally, signatures are implemented ... -
SeqMatcher: efficient genome sequence matching with AVX-512 extensions
Espinosa, Elena; Quislant-del-Barrio, Ricardo; Larrosa-Jiménez, Rafael
; Plata-González, Óscar Guillermo
(Springer Nature, 2024-12)
The recent emergence of long-read sequencing technologies has enabled substan- tial improvements in accuracy and reduced computational costs. Nonetheless, pair- wise sequence alignment remains a time-consuming step in ...