All Papers
Author: E.L. Zapata

2022

Speculative Barriers with Transactional Memory [doi]
M. Pedrero, R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
IEEE Transactions on Computers, 71 (1), January 2022, pp. 197-208

2021

2020

2019

Improving Hardware Transactional Memory Parallelization of Computational Geometry Algorithms Using Privatizing Transactions [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
Journal of Parallel and Distributed Computing, 131, September 2019, pp. 103-119

Barreras Especulativas con Memoria Transaccional [link]
M. Pedrero, R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
XIX Jornadas de Paralelismo (JJPP'19) (parte de las Jornadas Sarteco), Caceres (Spain), September 2019

2018

Privatizing Transactions for Lee's Algorithm in Commercial Hardware Transactional Memory [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
The Journal of Supercomputing, 74 (4), April 2018, pp. 1676-1694

2017

Mejora de la Escalabilidad de Sistemas de Memoria Transaccional Hardware [link]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
XXVIII Jornadas de Paralelismo (JJPP'17) (parte de las Jornadas Sarteco), Malaga (Spain), September 2017

Lazy Irrevocability for Best-Effort Transactional Memory Systems [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
IEEE Transactions on Parallel and Distributed Systems, 28 (7), July 2017, pp. 1919-1932

Enhancing Scalability in Best-Effort Hardware Transactional Memory [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
Journal of Parallel and Distributed Computing, 104, June 2017, pp. 73-87

Leveraging Irrevocability to Deal with Signature Saturation in Hardware Transactional Memory [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
The Journal of Supercomputing, 73 (6), June 2017, pp. 2525-2557

2016

Irrevocabilidad Relajada para Memoria Transaccional Hardware [link]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
XXVII Jornadas de Paralelismo (JJPP'16) (parte de las Jornadas Sarteco), Salamanca (Spain), September 2016

Insights into the Fallback Path of Best-Effort Hardware Transactional Memory Systems [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
22nd International Conference on Parallel and Distributed Computing (Euro-Par'16), Grenoble (France), August 2016
(Springer, LNCS 9833, P-F. Dutot and D. Trystram, Eds., pp. 251-263)

2015

Book Chapter: Conflict Detection in Hardware Transactional Memory [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
Transactional Memory: Foundations, Algorithms, Tools and Applications (COST Action Euro-TM IC1001)
(Springer, LNCS 8913, R. Guerraoui and P. Romano, Eds., pp. 127-149, 2015)

Reduccion de la Saturacion en Signaturas Mediante Irrevocabilidad en Sistemas HTM [link]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
XXVI Jornadas de Paralelismo (JJPP'15) (parte de las Jornadas Sarteco), Cordoba (Spain), September 2015

Effective Transactional Memory Execution Management for Improved Concurrency [link]
M.A. Gonzalez-Mesa, E. Gutierrez, E.L. Zapata, O. Plata
International HiPEAC Conference (HiPEAC'15), Amsterdam (The Netherlands), January 2015

Efficient Data Structure and Highly Scalable Algorithm for Total-Viewshed Computation [doi]
S. Tabik, A.R. Cervilla, E.L. Zapata, F. Romero
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 8 (1), January 2015, pp. 304-310

2014

Improving Signature Behavior by Irrevocability in Transactional Memory Systems [doi]
R. Quislant, E. Gutierrez, E.L. Zapata, O. Plata
26th International Symposium on Computer Architecture and High-Performance Computing (SBAC-PAD'14), Paris (France), October 2014

Effective Transactional Memory Execution Management for Improved Concurrency [doi]
M.A. Gonzalez-Mesa, E. Gutierrez, E.L. Zapata, O. Plata
ACM Transactions on Architecture and Code Optimization, 11 (3), October 2014, Art. No. 24

A Case Study of Different Task Implementations for Multioutput Stages in non-trivial Parallel Pipeline Applications [doi]
A. Navarro, R. Asenjo, F. Corbera, A.J. Dios, E.L. Zapata
Parallel Computing, 40 (8), August 2014, pp. 374-393

2013

Multioperand Redundant Adders on FPGAs [doi]
J. Hormigo, J. Villalba, E.L. Zapata
IEEE Transactions on Computers, 62 (10), October 2013, pp. 2013-2025

Efficient Floating-Point Representation for Balanced Codes for FPGA Devices [doi]
J. Villalba, J. Hormigo, F. Corbera, M. Gonzalez, E.L. Zapata
IEEE 31st International Conference on Computer Design (ICCD'13), Asheville (NC), USA, October 2013 (Best Paper Award)

Optimal Tilt and Orientation Maps: a Multi-Algorithm Approach for Heterogeneous Multicore-GPU Systems [doi]
S. Tabik, A. Villegas, E.L. Zapata, F. Romero
The Journal of Supercomputing, 66 (1), October 2013, pp. 135-147

Performance Analysis of the Multi-pass Transformation for Complex 3d-Stencils on GPUs [link]
S. Tabik, E.L. Zapata, F. Romero
XXIV Jornadas de Paralelismo (JJPP'13) (parte de las Jorndas Sarteco), Madrid (Spain), September 2013

Simultaneous Computation of Total Viewshed on Large High Resolution Grids [doi]
S. Tabik, E.L. Zapata, F. Romero
International Journal of Geographical Information Science, 27 (4), April 2013, pp. 804-814

Hardware Signature Designs to Deal with Asymmetry in Transactional Data Sets [doi]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
IEEE Transactions On Parallel and Distributed Systems, 24 (3), March 2013, pp. 506-519

LS-Sig: Locality-Sensitive Signatures for Transactional Memory [doi]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
IEEE Transactions On Computers, 62 (2), February 2013, pp. 322-335

2012

A Data Dependence Test based on the Projection of Paths over Shape Graphs [doi]
A. Navarro, F. Corbera, R. Asenjo, R. Castillo, E.L. Zapata
Journal of Parallel and Distributed Computing, 72 (12), December 2012, pp. 1547-1564

Redundant Floating Point Decimal CORDIC Algorithm [doi]
A. Vazquez, J. Villalba, E. Antelo, E.L. Zapata
IEEE Transactions on Computers, 61 (11), November 2012, pp. 1551-1562

Decimal On-line Multioperand Addition [link]
C. Vega, S. Gonzalez-Navarro, J. Villalba, E.L. Zapata
47th Asilomar Conference on Signals, Systems and Computers, Asilomar (CA), USA, November 2012

FGPA Implementation of QR Decomposition for Medium Size Matrices
S.D. Muñoz, J. Hormigo, E.L. Zapata
XXVII Conference on Design of Circuits and Integrated Systems (DCIS'12), Avignon (France), November 2012

VLBI-Resolution Radio-Map Algorithms: Performance Analysis of Different Levels of Data-Sharing on Multisocket, Multicore Architectures [doi]
S. Tabik, F. Romero, P. Mimica, O. Plata, E.L. Zapata
Computer Physics Communications, 183 (9), September 2012, pp. 1937-1946

Visibilidad Total para Observadores Desligados del Terreno [link]
A.R. Cervilla, S. Tabik, E.L. Zapata, F. Romero
XXIII Jornadas de Paralelismo (JJPP'12) (parte de las Jornadas Sarteco), Elche (Spain), September 2012

On-line Decimal Adder with RBCD Representation [doi]
C. Vega, S. Gonzalez-Navarro, J. Villalba, E.L. Zapata
23th IEEE International Conference on Application Specific Systems, Architectures and Processors (ASAP'12), Delft (The Netherlands), July 2012

A Fast GIS-tool to Compute the Maximum Solar Energy on Very Large Terrains [doi]
S. Tabik, A. Villegas, E.L. Zapata, F. Romero
International Conference on Computational Science (ICCS'12), Omaha (NE), USA, June 2012
(Elsevier, Procedia Computer Science, Vol. 9, 2012, pp. 364-372)

2011

Spectral Evolution Simulation on Leading Multi-Socket, Multicore Platforms [doi]
S. Tabik, F. Romero, P. Mimica, O. Plata, E.L. Zapata
18th Annual IEEE International Conference on High Performance Computing (HiPC’11), Bangalore (India), December 2011

High-Level Template for the Task-Based Parallel Wavefront Pattern [doi]
A. Garcia, R. Asenjo, A. Navarro, F. Corbera, E.L. Zapata
18th Annual IEEE International Conference on High Performance Computing (HiPC’11), Bangalore (India), December 2011

Visibility Map Computation at all Points of a Terrain
S. Tabik, F. Romero, E.L. Zapata
XXII Jornadas de Paralelismo (JJPP’11), La Laguna, Tenerife (Spain), September 2011

Unified Locality-Sensitive Signatures for Transactional Memory
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
XXII Jornadas de Paralelismo (JJPP’11), La Laguna, Tenerife (Spain), September 2011

Wavefront Template for the Task-Based Programming Model [link]
A. Garcia, R. Asenjo, A. Navarro, F. Corbera, E.L. Zapata
24th International Workshop on Languages and Compilers for Parallel Computing (LCPC’2011), Colorado State University, Fort Collins (CO), USA, September 2011

Unified Locality-Sensitive Signatures for Transactional Memory [doi]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
17th International Euro-Par Conference on Parallel Processing (Euro-Par’11), Bordeaux (France), August-September 2011
(Springer, LNCS 6852, E. Jeannot, R. Namyst and J. Roman, Eds., pp. 326-337)

A Case Study of the Task-Based Parallel Wavefront Pattern [doi]
A. Dios, R. Asenjo, A. Navarro, F. Corbera, E.L. Zapata
International Conference on Parallel Computing (ParCo’11),, Ghent (Belgium), August-September 2011
(Advances in Parallel Computing, Vol. 22: Applications, Tools and Techniques on the Road to Exascale Computing, IOS Press, pp. 65-72, 2012)

Multiset Signatures for Transactional Memory [doi]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
25th International Conference on Supercomputing (ICS'11), Tucson (AZ), USA, May-June 2011

Load Balancing Versus Occupancy Maximization on Graphics Processing Units: The Generalized Hough Transform as a Case Study [doi]
J. Gomez-Luna, J.M. Gonzalez-Linares, J.I. Benavides, E.L. Zapata, N. Guil
International Journal of High Performance Computing Applications, 25 (2), May 2011, pp. 205-222

High Performance Three-Horizon Composition Algorithm for Large Scale Terrains [doi]
S. Tabik, F. Romero, E.L. Zapata
International Journal of Geographical Information Science, 25 (4), April 2011, pp. 541-555

High-Speed Algorithms and Architectures for Range Reduction Computation [doi]
F.J. Jaime, M.A. Sanchez, J. Hormigo, J. Villalba, E.L. Zapata
IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 19 (3), March 2011, pp. 512-516

2010

Implementing a Chapel Library for Parallel IO [link]
R. Larrosa, A. Navarro, R. Asenjo, E.L. Zapata
XXI Jornadas de Paralelismo (JJPP'10) (parte de CEDI 2010), Valencia (Spain), September 2010

Evaluation of the Task Programming Model in the Parallelization of Wavefront Problems [link]
A.J. Dios, R. Asenjo, A. Navarro, F. Corbera, E.L. Zapata
XXI Jornadas de Paralelismo (JJPP'10) (parte de CEDI 2010), Valencia (Spain), September 2010

Interval Filter: A Locality-aware Alternative to Bloom Filters for Hardware Membership Queries [link]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
XXI Jornadas de Paralelismo (JJPP'10) (parte de CEDI 2010), Valencia (Spain), September 2010

Interval Filter: A Locality-Aware Alternative to Bloom Filters for Hardware Membership Queries by Interval Classification [doi]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
11th International Conference on Intelligent Data Engineering and Automated Learning (IDEAL'10), Paisley, Scotland (UK), September 2010
(Springer, LNCS 6283, C. Fyfe, P. Tino, D. Charles, C. Garcia-Osorio and H. Yin, Eds., pp. 162-169)

Evaluation of the Task Programming Model in the Parallelization of Wavefront Problems [doi]
A.J. Dios, R. Asenjo, A. Navarro, F. Corbera, E.L. Zapata
12th IEEE International Conference on High Performance Computing and Communications (HPCC'10), Melbourne (Australia), September 2010

Learning a Generic 3D Face Model from 2D Image Databases Using Incremental Structure-from-Motion [doi]
J. Gonzalez-Mora, F. de la Torre, N. Guil, E.L. Zapata
Image and Vision Computing, 28 (7), July 2010, pp. 1117-1129

Enhanced Scaling-Free CORDIC [doi]
F.J. Jaime, M.A. Sanchez, J. Hormigo, J. Villalba, E.L. Zapata
IEEE Transactions on Circuits and Systems I, 57 (7), July 2010, pp. 1654-1662

Quantum Computer Simulation using the CUDA Programming Model [doi]
E. Gutierrez, S. Romero, M.A. Trenas, E.L. Zapata
Computer Physics Communications, 181 (2), February 2010, pp. 283-300

2009

Efficient Mapping on FPGA of Convolution Computation Based on Combined CSA-CPA Accumulator [doi]
C.D. Moreno, F. Quiles, M. Ortiz, M. Brox, J. Hormigo, J. Villalba, E.L. Zapata
16th IEEE International Conference on Electronics, Circuits and Systems (ICECS'09), Yasmine Hammamet, Tunisia, December 2009

Diseño de Signaturas Explotando Localidad en Memoria Transaccional
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
XXI Jornadas de Paralelismo (JJPP'09), A Coruña (Spain), September 2009

On the Automatic Detection of Heap-Induced Data Dependencies with Interprocedural Shape Analysis [doi]
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
International Workshop on Advanced Distributed and Parallel Network Applications (ADPNA'09) (co-located with ICPP'09), Vienna, Austria, September 2009

Improving Signatures by Locality Exploitation for Transactional Memory [doi]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
18th International Conference on Parallel Architectures and Compilation Techniques (PACT'09), Raleigh (NC), USA, September 2009

Conflict Analysis for Heap-based Data Dependence Detection [doi]
R. Castillo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
International Parallel Computing Conference (ParCo'09), Lyon (France), September 2009
(Advances in Parallel Computing, Vol. 19: Parallel Computing: From Multicores and GPU's to Petascale, B. Chapman, F. Desprez, G.R. Joubert, A. Lichnewsky, F. Peters and T. Priol, Eds., pp. 351-358, 2010)

Analytical Model of Patching and Load Sharing in a Distributed VoD System [link]
S. Gonzalez-Navarro, J. Lopez, A. Navarro, E.L. Zapata
IEEE International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'09), Las Vegas (NV), USA, July 2009

Efficient Implementation of Carry-Save Adders in FPGAs [doi]
J. Hormigo, M. Ortiz, F. Quiles, F.J. Jaime, J. Villalba, E.L. Zapata
20th IEEE International Conference on Applicaction Specific Systems, Architectures and Processors (ASAP'09), Boston (MA), USA, July 2009

Signatures and Locality in Transactional Memory [link]
R. Quislant, E. Gutierrez, O. Plata, E.L. Zapata
5th International Summer School on Advanced Computer Architecture and Compilation for Embedded Systems (HiPEAC ACACES 2009), Terrassa, Spain, July 2009 (poster)

Efficient Image Aligment using Linear Appearance Models [doi]
J. Gonzalez-Mora, N. Guil, E.L. Zapata, F. de la Torre
IEEE Conference on Computer Vision and Pattern Recognition (CVPR'09), Miami (FL), USA, June 2009

Strategies for Exploiting the GPU Memory Hierarchy for FFT [link]
E. Gutierrez, S. Romero, M.A. Trenas, O. Plata, E.L. Zapata
14th International Workshop on Compilers for Parallel Computers (CPC'09), Zurich, Switzerland, January 2009

2008

Pipelined Architecture for Additive Range Reduction [doi]
F.J. Jaime, J. Villalba, J. Hormigo, E.L. Zapata
Journal of Signal Processing Systems, 53 (1-2), November 2008, pp. 103-112

New SIMD Instructions set for Image Processing Applications Enhacement [doi]
F.J. Jaime, J. Hormigo, J. Villalba, E.L. Zapata
15th IEEE International Conference on Image Processing (ICIP'08), San Diego (CA), USA, October 2008

SIMD Enhacements for a Hough Transform Implementation [doi]
F.J. Jaime, J. Hormigo, J. Villalba, E.L. Zapata
11th EUROMICRO Conference on Digital System Design Architectures, Methods and Tools (DSD'08), Parma (Italy), September 2008

Teaching the Cache Memory System Using a Reconfigurable Approach [doi]
R. Quislant, E. Herruzo, O. Plata, I. Benavides, E.L. Zapata
IEEE Transactions on Education, 51 (3), August 2008, pp. 336-341

Complete Def-Use Analysis in Recursive Programs with Dynamic Data Structures [doi]
R. Castillo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
Workshop on Productivity and Performance (PROPER'08) (co-located with Euro-Par'08), Las Palmas de Gran Canaria, Spain, August 2008
(Springer, LNCS 5415, E. Cesar, M. Alexander, A. Streit, J.L. Traff, C. Cerin, A. Knupfer, D. Kranzlmuller and S. Jha, Eds., pp. 273-282)

Memory Locality Exploitation Strategies for FFT on the CUDA Architecture [doi]
E. Gutierrez, S. Romero, M.A. Trenas, E.L. Zapata
8th International Conference on High Performance Computing for Computational Science (VECPAR'08), Toulouse, France, June 2008
(Springer, LNCS 5336, J.M. Laginha, M. Palma, P.R. Amestoy, M. Dayde, M. Mattoso and J.C. Lopes; Eds., pp. 430-443)

Fast Clear-Sky Solar Irradiation Computation for Very Large Digital Elevation Models [doi]
F. Romero, S. Tabik, J.M. Vias, E.L. Zapata
Computer Physics Communications, 178 (11), June 2008, pp. 800-808

Using Padding to Optimize Locality in Scientific Applications [doi]
E. Herruzo, O. Plata, E.L. Zapata
International Conference on Computational Science (ICCS'08), Krakow (Poland), June 2008
(Springer, LNCS 5101, M. Bubak, G.D. van Albada, J. Dongarra and P.M.A. Sloot, Eds., pp. 863-872)

Parallel Quantum Computer Simulation on the CUDA Architecture [doi]
E. Gutierrez, S. Romero, M.A. Trenas, E.L. Zapata
International Conference on Computational Science (ICCS'08), Krakow (Poland), June 2008
(Springer, LNCS 5101, M. Bubak, G.D. van Albada, J. Dongarra and P.M.A. Sloot, Eds., pp. 700-709)

Parallelizing Irregular C Codes Assisted by Interprocedural Shape analysis [doi]
R. Asenjo, R. Castillo, F. Corbera, A. Navarro, A. Tineo, E.L. Zapata
22nd IEEE International Symposium on Parallel and Distributed Processing (IPDPS'08), Miami (FL), USA, April 2008

A Low-Latency Pipelined 2D and 3D CORDIC Processors [doi]
E. Antelo, J. Villalba, E.L. Zapata
IEEE Transactions on Computers, 57 (3), March 2008, pp. 404-417

An Analytical Model of Locality-based Parallel Irregular Reductions [doi]
E. Gutierrez, O. Plata, E.L. Zapata
Parallel Computing, 34 (3), March 2008, pp. 133-157

2007

Improving Quantum Gate Simulation using a GPU [doi]
E. Gutierrez, S. Romero, M.A. Trenas, E.L. Zapata
International Electronic Conference on Computer Science (IeCCS'07), November-December 2007
(AIP Conference Proceedings, Vol. 1060, Iss. 1, pp. 293-297)

Profit Analysis of Instructions with Parallel Access to Memory
F.J. Jaime, J. Villalba, J. Hormigo, E.L. Zapata
Workshop on Application Specific Processors (WASP 2007), Salzburg, Austria, October 2007

Tracing Recursive Flow Paths for Interprocedural Shape Analysis [link]
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
20th International Workshop on Languages and Compilers for Parallel Computing (LCPC’07), Urbana, Illinois, October 2007 (poster)

Bilinear Active Appearance Models [doi]
J. Gonzalez-Mora, F. de la Torre, R. Murthi, N. Guil, E.L. Zapata
11th IEEE International Conference on Computer Vision (ICCV’07), Rio de Janeiro, Brazil, October 2007

Interfaz para la Captura de Estructuras de Datos Dinamicas en Codigos C
J.J. Segura, R. Asenjo, F. Corbera, A. Navarro, E.L. Zapata
XVIII Jornadas de Paralelismo (JJPP'07), Zaragoza (Spain), September 2007

Logotype Detection to Support Semantic-Based Video Annotation [doi]
J.R. Cozar, N. Guil, J.M. Gonzalez-Linares, E.L. Zapata, E. Izquierdo
Signal Processing: Image Communication, 22 (7-8), August-September 2007, pp.669-679

Locality-Improved FFT Implementation on a Graphics Processor
S. Romero, M.A. Trenas, E. Gutierrez, E.L. Zapata
7h WSEAS International Conference on Signal Processing, Computational Geometry and Artificial Vision (ISCGAV'07), Athens, Greece, August 2007

Simulation of Quantum Gates on a Novel GPU Architecture
E. Gutierrez, S. Romero, M.A. Trenas, E.L. Zapata
7th WSEAS International Conference on Systems Theory and Scientific Computation (ISTASC’07), Athens, Greece, August 2007

Maximum and Sorted Cache Occupation using Array Padding [doi]
E. Herruzo, E.L. Zapata, O. Plata
International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation (IC-SAMOS'07), Samos, Greece, July 2007

A Compiler Framework for Automatic Parallelization of Pointer-Based Codes [link]
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
3rd International Summer School on Advanced Computer Architecture and Compilation for Embedded Systems (HiPEAC ACACES 2007), L'Aquila, Italy, July 2007 (poster)

Interprocedural Def-Use Chains for Pointer-Based Codes Optimizations [link]
R. Castillo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
3rd International Summer School on Advanced Computer Architecture and Compilation for Embedded Systems (HiPEAC ACACES 2007), L'Aquila, Italy, July 2007 (poster)

Modeling Memory Location Predictors for Pointer-Based Codes
A. Davila, E. Gutierrez, E.L. Zapata, O. Plata
13th Workshop on Compilers for Parallel Computing (CPC'07), Lisbon, Portugal, July 2007.

Parallelization of Dynamic Data Structures in Pointer-Based Programs
R. Castillo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
Transnational Access Meeting - HPC EUROPA EVENT, Bologna, Italy, June 2007

A Compiler Framework for Automatic Parallelization of Pointer-based Codes
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
Transnational Access Meeting - HPC EUROPA EVENT, Bologna, Italy, June 2007

Simulating a Reconfigurable Cache System for Teching Purposes [doi]
E. Herruzo, J.I. Benavides, R. Quislant, E.L. Zapata, O. Plata
IEEE International Conference on Microelectronic Systems Education (MSE'07), San Diego (CA), USA, June 2007

A Clustering Technique for Video Copy Detection [doi]
N. Guil, J.M. Gonzalez-Linares, J.R. Cozar, E.L. Zapata
3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA'07), Girona, Spain, June 2007
(Springer, LNCS 4477, J. Marti, J.M. Benedi, A.M. Mendoca and J. Serrat, Eds., pp. 451-458)

Fast Isolation Computation for Large Territories [doi]
S. Tabik, J.M. Vas, E.L. Zapata, F. Romero
International Conference on Computational Science (ICCS’07), Beijing, China, May 2007
(Springer, LNCS 4487, Y. Shi, G.D. van Albada, J. Dongarra and P.M.A. Sloot, Eds., pp. 54-61)

Detecting Loop-Carried Dependences in Programs with Dynamic Data Structures [doi]
A. Navarro, F. Corbera, A. Tineo, R. Asenjo, E.L. Zapata
Journal of Parallel and Distributed Computing, 67 (1), January 2007, pp. 47-62

Book Chapter: Computer Architectures for Multimedia and Video Analysis [doi]
E. Saez, J. Gonzalez-Mora, N. Guil, J.I. Benavides, E.L. Zapata
High Performance Computing in Remote Sensing, A.J. Plaza and C-I. Chang, Eds., Chapman and Hall/CRC Pub., 2007, pp. 43-68

2006

A Case of Study of Load Sharing based on Popularity in Distributed VoD Systems [doi]
S. Gonzalez-Navarro, A. Navarro, J. Lopez, E.L. Zapata
IEEE Transactions on Multimedia, 8 (6), December 2006, pp. 1299-1304

Video Cataloging Based On Robust Logotype Detection [doi]
J.R. Cozar, N. Guil, J.M. Gonzalez-Linares, E.L. Zapata
13th International Conference on Image Processing (ICIP'06), Atlanta (GA, USA), October 2006

Pointer Analysis Techniques Targeted to Accelerate Shape Analysis
R. Castillo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
XVII Jornadas de Paralelismo (JJPP'06), Albacete (Spain), September 2006

Evaluacion de Mecanismos de Prediccion de Direcciones en Codigos basados en Punteros
A. Davila, E. Gutierrez, O. Plata, E.L. Zapata
XVII Jornadas de Paralelismo (JJPP'06), Albacete (Spain), September 2006

Pipelined Range Reduction for Floating Point Numbers [doi]
F.J. Jaime, J. Villalba, J. Hormigo, E.L. Zapata
17th IEEE International Conference on Application-Specific Systems, Architectures and Processors (ASAP'06), Steamboat Springs (CO, USA), September 2006

Towards a Versatile Pointer Analysis Framework [doi]
R. Castillo, A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
12th European Conference on Parallel Processing (Euro-Par'06), Dresden (Germany), August-September 2006
(Springer, LNCS 4128, W.E. Nagel, W.V. Walter and W. Lehner, Eds., pp. 323-333)

Tracking of Linear Appearance Models Using Second Order Minimization [doi]
J. Gonzalez-Mora, N. Guil, E.L. Zapata
8th International Conference on Advanced Concepts for Intelligent Vision Systems (ACIVS'06), Antwerp, Belgium, September 2006
(Springer, LNCS 4179, J. Blanc-Talon, W. Philips, D. Popescu and P. Scheunders, Eds., pp. 1002-1013)

Fast Full-Search Block Matching Algorithm Motion Estimation Alternatives in FPGA [doi]
J. Olivares, J.I. Benavides, J. Hormigo, J. Villalba, E.L. Zapata
16th International Conference on Field Programmable Logic and Applications (FPL'06), Madrid (Spain), August 2006

SAD Computation based on On-line Arithmetic for Motion Estimation [doi]
J. Olivares, J. Hormigo, J. Villalba, J.I. Benavides, E.L. Zapata
Microprocessors and Microsystems, 30 (5), August 2006, pp. 250-258

Pipelined Architecture for Accurate Floating Point Range Reduction [link]
F.J. Jaime, J. Villalba, J. Hormigo, E.L. Zapata
7th Conference on Real Numbers and Computers (RNC'06), Loria (Nancy, France), July 2006

Optimizing Cache Locality by Static Array Redimensioning [link]
E. Herruzo, E.L. Zapata, O. Plata
12th Workshop on Compilers for Parallel Computing (CPC'06), A Coruña (Spain), January 2006

Shape Analysis for Dynamic Data Structures based on Coexistent Links Sets [link]
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
12th Workshop on Compilers for Parallel Computing (CPC'06), A Coruña (Spain), January 2006

A Survey on Grid Architectures for Bioinformatics
G.P. Trabado, O. Plata, E.L. Zapata
Engineering the Grid: Status and Perspectives, Chapter 7, American Scientific Pub., January 2006

2005

Hardware para Intervalos
J. Hormigo, E.L. Zapata, J. Villalba
El Análisis de Intervalos en España: Desarrollos, Herramientas y Aplicaciones, Documenta Universitaria, 2005, pp. 87-95

Hybrid Residue Generators Using Carry-Save Adders
F.J. Jaime, J. Villalba, M. Gonzalez, E.L. Zapata
20th Conference on Design of Circuits and Integrated Systems (DCIS’05), Lisbon (Portugal), November 2005

Reducing Cache Misses by Loop Reordering [link]
E. Herruzo, G. Bandera, E.L. Zapata, O. Plata
International Conference on Parallel Computing (ParCo2005), Malaga (Spain), September 2005
(Parallel Computing: Current and Future Issues of High End Computing, John von Neumann Institute for Computing, Jülich, Germany, NIC Series Vol. 33, pp. 541-548, 2006)

A new Strategy for Shape Analysis based on Coexistent Links Sets [link]
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
International Conference on Parallel Computing (ParCo2005), Malaga (Spain), September 2005
(Parallel Computing: Current and Future Issues of High End Computing, John von Neumann Institute for Computing, Jülich, Germany, NIC Series Vol. 33, pp. 557-564, 2006)

Distributed Architecture System for Computer Performance Testing [doi]
E. Herruzo, A.J. Mesones, J.I. Benavides, O. Plata, E.L. Zapata
6th International Conference on Parallel Processing and Applied Mathematics (PPAM’05), Poznan (Poland), September 2005
(Springer, LNCS 3911, R. Wyrzykowski, J. Dongarra, N. Meyer and J. Wasniewski, Eds., pp. 140-147)

On-line Multioperand Addition Based on On-line Full-Adders [doi]
J. Villalba, J. Hormigo, J.M. Prades, E.L. Zapata
16th IEEE International Conference on Application-Specific Systems, Architecture and Processors (ASAP’05), Samos (Greece), July 2005

A Novel Approach for Detecting Heap-based Loop-carried Dependences [doi]
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, E.L. Zapata
International Conference on Parallel Processing (ICPP'05), Oslo (Norway), June 2005

On the Parallelization of Irregular and Dynamic Programs [doi]
O. Plata, R. Asenjo, E. Gutierrez, F. Corbera, A. Navarro, E.L. Zapata
Parallel Computing, 31 (6), June 2005, pp. 544-562

Hardware Implementation of the Wavelet Transform for JPEG2000 [doi]
J. Hormigo, J.M. Prades, J. Villalba, E.L. Zapata
SPIE Symposium on Microtechnologies for the New Millennium, Sevilla (Spain), May 2005
(Proc. SPIE 5837, VLSI Circuits and Systems II, J.F. Lopez, F.V. Fernandez, J.M. Lopez-Villegas and J.M. dela Rosa, Eds.)

Parallel Techniques in Irregular Codes: Cloth Simulation as Case of Study [doi]
E. Gutierrez, S. Romero, F. Romero, O. Plata, E.L. Zapata
Journal of Parallel and Distributed Computing, 65 (4), April 2005, pp. 424-436.

2004

Estimación de Movimiento en MPEG mediante Técnicas de Aritmética On-Line sobre FPGA [link]
J. Olivares, J. Hormigo, J.I. Benavides, J. Villalba, E.L. Zapata
Revista Iberoamericana de Sistemas, Cibernética e Informática, 1 (2), 2004, pp. 36-41

Parallelization Issues of a Code for Physically-based Simulation of Fabrics [doi]
S. Romero, E. Gutierrez, F. Romero, O. Plata, E.L. Zapata
Computer Physics Communications, 162 (3), October 2004, pp. 188-202

A New Dependence Test based on Shape Analysis for Pointer-based Codes [doi]
A. Navarro, F. Corbera, R. Asenjo, A. Tineo, O. Plata, E.L. Zapata
17ht International Workshop on Languages and Compilers for Parallel Computing (LCPC'04), West Lafayette (IN, USA), September 2004
(Springer, LNCS 3602, R. Eigenmann, Z. Li and S.P. Midkiff, Eds., pp. 394-408)

Nesting OpenMP and MPI in the Conjugate Gradient Method for Band Systems [doi]
F. Romero, E.M. Ortigosa, S. Romero, E.L. Zapata
11th European PVM/MPI Users' Group Meeting (EuroPVM/MPI 2004), Budapest (Hungary), September 2004
(Springer, LNCS 3241, D. Kranzlmueller, P. Kacsuk and J. Dongarra, Eds., pp. 181-190)

Explotando Localidad en Códigos Basados en Punteros
S. Romero, E. Gutierrez, E.L. Zapata, O. Plata
XV Jornadas de Paralelismo (JJPP'04), Almeria (Spain), September 2004

A Batching driven Reneging Technique in a Distributed VoD System
A. Navarro, S. Gonzalez-Navarro, E.L. Zapata, J. Lopez
XV Jornadas de Paralelismo (JJPP'04), Almeria (Spain), September 2004

A new Loop-Carried Dependence Detection Approach for Pointer-based Codes
F. Corbera, A. Tineo, E.L. Zapata, A. Navarro, R. Asenjo
XV Jornadas de Paralelismo (JJPP'04), Almeria (Spain), September 2004

Interfaz de Comunicaciones para Códigos Paralelos Híbridos
E.M. Ortigosa, F. Romero, S. Romero, E.L. Zapata
XV Jornadas de Paralelismo (JJPP'04), Almeria (Spain), September 2004

A Threshold based Multicast Technique in a Distributed VoD System with Customer Reneging Behavior
S. Gonzalez-Navarro, A. Navarro, J. Lopez, E.L. Zapata
10th International Conference on Distributed Multimedia Systems (DMS'04), Redwood City (San Francisco Bay, CA, USA), September 2004

Exploiting Locality and Parallelism in Pointer-based Programs
A. Navarro, R.G. Valderrama, F. Corbera, E. Gutierrez, R. Asenjo, O. Plata, E.L. Zapata
11th Workshop on Compilers for Parallel Computers (CPC'04), Seeon Monastery (Chiemsee, Germany), July 2004

CORDIC Processor for Variable-Precision Interval Arithmetic [doi]
J. Hormigo, J. Villalba, E.L. Zapata
Journal of VLSI Signal Processing Systems for Signal, Image and Video Technology, 37 (1), May 2004, pp. 21-39

Evaluation of Elementary Functions Using Multimedia Features [doi]
G. Bandera, M. Gonzalez, J. Villaba, J. Hormigo, E.L. Zapata
18th International Parallel and Distributed Processing Symposium (IPDPS'04), Santa Fe (NM, USA), April 2004

Data Partitioning-based Parallel Irregular Reductions [doi]
E. Gutierrez, O. Plata, E.L. Zapata
Concurrency and Computation: Practice and Experience, 16 (2-3), February-March 2004, pp. 155-172

Optimization Techniques for Irregular and Pointer-based Programs (Invited Talk) [doi]
R. Asenjo, F. Corbera, E. Gutierrez, A. Navarro, O. Plata, E.L. Zapata
12th Euromicro Conference on Parallel, Distributed and Network-Based Processing (PDP'04), A Coruna, Spain, February 2004

A Framework to Capture Dynamic Data Structures in Pointer-Based Codes [doi]
F. Corbera, R. Asenjo, E.L. Zapata
IEEE Transactions on Parallel and Distributed Systems, 15 (2), February 2004, pp. 151-166

A Compiler Tool to Predict Memory Hierarchy Performance of Scientific Codes [doi]
B.B. Fraguela, R. Doallo, J. Touriño, E.L. Zapata
Parallel Computing, 30 (2), February 2004, pp. 225-248

Two Hibrid Multicast Algorithms for Optimizing Resources in a Distributed VoD System [doi]
S. Gonzalez-Navarro, A. Navarro, J. Lopez, E.L. Zapata
10th International Multimedia Modelling Conference (MMM'04), Brisbane, Australia, January 2004

2003

Affine Transformation Computation of Planar Objects
J.R. Cozar, N. Guil, E.L. Zapata
International Workshop on Computer Vision and Image Analysis (IWCVIA'03), Las Palmas de Gran Canaria (Spain), December 2003

An Efficient 2D Deformable Objects Detection and Location Algorithm [doi]
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata
Pattern Recognition, 36 (11), November 2003, pp. 2543-2556

Optimization Techniques For Parallel Irregular Reductions [doi]
E. Gutierrez, O. Plata, E.L. Zapata
Journal of Systems Architecture, 49 (3), August 2003, pp. 63-74

Compiler Techniques for the Distribution of Data and Computation [doi]
A. Navarro, E.L. Zapata, D. Padua
IEEE Transactions on Parallel and Distributed Systems, 14 (6), June 2003, pp. 545-562

Parallel Irregular Reduction Techniques for Cloth Simulation
E. Gutierrez, S. Romero, O. Plata, E.L. Zapata
Adaptivity in Parallel Scientific Computing (Seminar no. 03211) , Dagstuhl (Saarland, Germany), May 2003

Probabilistic Miss Equations: Evaluating Memory Hierarchy Performance [doi]
B.B. Fraguela, R. Doallo, E.L. Zapata
IEEE Transactions on Computers, 52 (3), March 2003, pp. 321-336

Pose Detection of Cameras in Real Time [doi]
J.R. Cozar, N. Guil, E.L. Zapata
Electronic Imaging (EI'03), Santa Clara (CA, USA), January 2003
(Proceedings Volume 5013, Videometrics VII)

On the Parallelization of Irregular and Dynamic Programs
O. Plata, R. Asenjo, E. Gutierrez, F. Corbera, A. Navarro, E.L. Zapata
10ht Workshop on Compilers for Parallel Computers (CPC'03), Amsterdam (The Netherlands), January 2003

2002

A Configurable Architecture for Wavelet Packet Transform [doi]
M.A. Trenas, J. Lopez, E.L. Zapata, F. Argüello
Journal of VLSI Signal Processing Systems for Signal, Imgae and Video Technology, 32 (3), November 2002, pp. 255-273

Paralelización de Reducciones por Afinidad de Escritura
E. Gutierrez, S. Romero, O. Plata, E.L. Zapata
XIII Jornadas de Paralelismo (JJPP'02), Lleida (Spain), September 2002

Computación Paralela y Distribuida en Reconstrucción Tomográfica de Especímenes Biológicos
J.J. Fernandez, J.R. Bilbao-Castro, J. Roca, M.H. Ellisman, E.L. Zapata, I. Garcia, J.M. Carazo
XIII Jornadas de Paralelismo (JJPP'02), Lleida (Spain), September 2002

Estrategias de Paralelización Aplicadas a la Simulación de Tejidos
S. Romero, E. Gutierrez, F. Romero, J. Lopez, E.L. Zapata
XIII Jornadas de Paralelismo (JJPP'02), Lleida (Spain), September 2002

Architecture for Wavelet Packet Transform Based on Lifting Steps [doi]
F. Argüello, J. Lopez, M.A. Trenas, E.L. Zapata
Parallel Computing, 28 (7-8), August 2002, pp. 1023-1037

Load Sharing based on Popularity in Distributed Video on Demand Systems [doi]
S. Gonzalez-Navarro, A. Navarro, J. Lopez, E.L. Zapata
IEEE International Conference on Multimedia and Expo (ICME'02), Lausanne (Switzerland), August 2002

On the Parallelization of Molecular Dynamics Codes [doi]
G.P. Trabado, O. Plata, E.L. Zapata
Computer Physics Communications, 147 (1-2), August 2002, pp. 711-715

Towards Compiler Optimization of Codes Based on Arrays of Pointers [doi]
F. Corbera, R. Asenjo, E.L. Zapata
15th International Workshop on Languages and Compilers for Parallel Computing (LCPC'02), College Park (MD, USA), July 2002
(Springer, LNCS 2481, B. Pugh and C-W. Tseng, Eds., pp. 142-156)

Polynomial Evaluation on Multimedia Processor [doi]
J. Villalba, G. Bandera, M. Gonzalez, J. Hormigo, E.L. Zapata
13th IEEE International Conference on Application-Specific Systems, Architectures and Processors (ASAP'02), San Jose (CA, USA), July 2002, pp. 265-277

Locality Analysis of Irregular and Dynamic Codes
O. Plata, R. Asenjo, E. Gutierrez, F. Corbera, E.L. Zapata
NATO Advanced Research Workshop on High Performance Computing: Technology and Applications, Cetraro (Italy), June 2002

Planar Object Detection under Scaled Orthographic Projection [doi]
J.R. Cozar, N. Guil, E.L. Zapata
Pattern Recognition Letters, 23 (6), April 2002, pp. 719-729

An Advanced Compiler Framework for Non-Cache-Coherent Multiprocessors [doi]
Y. Paek, A. Navarro, E.L. Zapata, J. Hoeflinger, D. Padua
IEEE Transactions on Parallel and Distributed Systems, 13 (3), March 2002, pp 241-259

New Shape Analysis and Interprocedural Techniques for Automatic Parallelization of C Codes [doi]
F. Corbera, R. Asenjo, E.L. Zapata
International Journal of Parallel Programming, 30 (1), February 2002, pp. 37-63

Load Sharing in Distributed VoD (Video on Demand) Systems
S. Gonzalez-Navarro, A. Navarro, J. Lopez, E.L. Zapata
International Conference on Advances in Infrastructure for e-Business, e-Education, e-Science, and e-Medicine on the Internet (SSGRR 2002w), L'Aquila (Italy), January 2002

On Improving the Performance of Data Partitioning Oriented Parallel Irregular Reductions [doi]
E. Gutierrez, O. Plata, E.L. Zapata
10th Euromicro Workshop on Parallel, Distributed and Network-based Processing (PDP'02), Gran Canaria (Spain), January 2002

2001

Detection of Arbitrary Planar Shapes with 3D Pose [doi]
J.R. Cozar, N. Guil, E.L. Zapata
Image and Vision Computing, 19 (14), December 2001, pp. 1057-1070

Improving Parallel Irregular Reductions Using Partial Array Expansion [doi]
E. Gutierrez, O. Plata, E.L. Zapata
The IEEE/ACM International Conference for High Performance Computing and Communications (SC'01), Denver (CO, USA), November 2001

Progressive Shape Analysis for Real C Codes [doi]
F. Corbera, R. Asenjo, E.L. Zapata
International Conference on Parallel Processing (ICPP'01), Valencia (Spain), September 2001

On the Parallelization of Molecular Dynamics Codes
G.P. Trabado, O. Plata, E.L. Zapata
Europhysics Conference on Computational Physics (CCP'01), Aachen (Germany), September 2001

Data-Task Parallelism for the VMEC Program [doi]
F. Romero, E.M. Ortigosa, E.L. Zapata
Parallel Computing, 27 (10), September 2001, pp. 1347-1364

Planificación de la Carga en Sistemas Distribuidos de Vídeo Bajo Demanda (VoD)
S. Gonzalez-Navarro, A. Navarro, J. Lopez, E.L. Zapata
XII Jornadas de Paralelismo (JJPP'01), Valencia (Spain), September 2001

On Workload Balancing of Parallel Irregular Reductions
E. Gutierrez, O. Plata, E.L. Zapata
XII Jornadas de Paralelismo (JJPP'01), Valencia (Spain), September 2001

Arquitectura Configurable para el Cómputo de la Transformada de Paquetes de Wavelets
M.A. Trenas, J. Lopez, E.L. Zapata
XII Jornadas de Paralelismo (JJPP'01), Valencia (Spain), September 2001

Balanced, Locality-Based Parallel Irregular Reductions [doi]
E. Gutierrez, O. Plata, E.L. Zapata
International Workshop on Languages and Compilers for Parallel Computing (LCPC'01), Cumberland Falls (KY, USA), August 2001
(Springer, LNCS 2624, H.G. Dietz, Ed., pp. 162-176)

Partial Array Expansion for Irregular Reductions [link]
E. Gutierrez, O. Plata, E.L. Zapata
9th Workshop on Compilers for Parallel Computers (CPC'01), Edinburgh (Scotland, UK), June 2001

Data Locality Exploitation in Algorithms including Sparse Communications [doi]
G. Bandera, E.L. Zapata
IEEE International Parallel and Distributed Processign Symposium (IPDPS'01), San Francisco (CA, USA), April 2001

Architecture for Bezier Clipping Algorithm [doi]
M. Boo, J.D. Bruguera, E.L. Zapata
13th SPIE International Symposium On Electronic Imaging: Media Processors (MP'01), San Jose (CA, USA), January 2001
Proc. SPIE 4313, Media Processors 2001, pp. 38-44

Parallelization of an Algorithm for the Automatic Detection of Deformable Objects [link]
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata, P.M. Ortigosa, I. Garcia
Acta Cybernetica, 15 (2), 2001, pp. 151-162

Using Semantical Information to Enhance the Parallel Sparse Performance
G. Bandera, E.L. Zapata
Computing and Informatics, 20 (3), 2001, pp. 303-321

A Data-Parallel Formulation for Divide and Conquer Algorithms [doi]
M. Amor, F. Argüello, J. Lopez, O. Plata, E.L. Zapata
The Computer Journal, 44 (4), 2001, pp. 303-320

2000

Planar Object Detection under Scaled Orthographic Projection [doi]
J.R. Cozar, N. Guil, E.L. Zapata
9th International Conference on Discrete Geometry for Computer Imagery (DGCI'00), Uppsala (Sweden), December 2000
(Springer, LNCS 1953, G. Borgefors, I. Nyström and G.S. di Baja, Eds., pp. 479-490)

Automatic Parallelization of Irregular Applications [doi]
E. Gutierrez, R. Asenjo, O. Plata, E.L. Zapata
Parallel Computing, 26 (13-14), December 2000, pp. 1709-1738

Compile and Run-Time Support for the Parallelization of Sparse Matrix Updating Algorithms [doi]
G. Bandera, M. Ujaldon, E.L. Zapata
The Journal of Supercomputing, 17 (3), November 2000, pp. 263-276

Tarsys: A System for Video Archive Management [doi]
R. Larrosa, G.P. Trabado, E.L. Zapata
IST/SPIE's International Symposium on Internet Multimedia Management Systems (Information Technologies 2000), Boston (MA, USA), November 2000

Un Paso en el Proceso de Paralelizacion Automática de Codigos C
F. Corbera, R. Asenjo, E.L. Zapata
XI Jornadas de Paralelismo (JJPP'00), Granada (Spain), September 2000

¿Como y Cuánta Localidad Explotan los Paralelizadores Actuales?
A. Navarro, E.L. Zapata
XI Jornadas de Paralelismo (JJPP'00), Granada (Spain), September 2000

Paralelizacion de un Algoritmo para Deteccion Automática de Objetos Deformables
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata, P.M. Ortigosa, I. Garcia
XI Jornadas de Paralelismo (JJPP'00), Granada (Spain), September 2000

Simulacion Paralela de Objetos Deformables
S. Romero, M.A. Trenas, F. Romero, E.L. Zapata
XI Jornadas de Paralelismo (JJPP'00), Granada (Spain), September 2000

A Data Parallel Formulation of the Barnes-Hut Method for N-body Simulations
M. Amor, F. Argüello, J. Lopez, O. Plata, E.L. Zapata
XI Jornadas de Paralelismo (JJPP'00), Granada (Spain), September 2000

Simulacion del Modelo 3D de Belousov-Zhabotinskii para Ondas Espirales
E.M. Ortigosa, F. Romero, E.L. Zapata
XI Jornadas de Paralelismo (JJPP'00), Granada (Spain), September 2000

Deformable Shapes Detection by Stochastic Optimization [doi]
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata, P.M. Ortigosa, I. Garcia
IEEE International Conference on Image Processing (ICIP'00), Vancouver (BC, Canada), September 2000

FPGA Implementation of Wavelet Packet Transform with Reconfigurable Tree Structure [doi]
M.A. Trenas, J. Lopez, E.L. Zapata
26th Euromicro Conference on Informatics: Inventing the Future, Maastricht (The Netherlands), September 2000

Detection of Bidimensional Shapes Under Global Deformations
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata
X European Signal Processing Conference (EUSIPCO'00), Tampere (Finland), September 2000

Improving the Sparse Parallelization Using Semantical Information at Compile-Time [doi]
G. Bandera, E.L. Zapata
6th International European Conference on Parallel Processing (EuroPar'00), Munich (Germany), August-September 2000
(Springer, LNCS 1900, A. Bode, T. Ludvig, W. Karl and R. Wismüller, Eds., pp. 491-499)

Fast Cloth Simulation with Parallel Computers [doi]
S. Romero, F. Romero, E.L. Zapata
6th International European Conference on Parallel Processing (EuroPar'00), Munich (Germany), August-September 2000
(Springer, LNCS 1900, A. Bode, T. Ludvig, W. Karl and R. Wismüller, Eds., pp. 491-499)

Accurate Shape Analysis for Recursive Data Structures [doi]
F. Corbera, R. Asenjo, E.L. Zapata
13th International Workshop on Languages and Compilers for Parallel Computing (LCPC'00), Yorktown Heights (NY, USA), August 2000
(Springer, LNCS 1947, S.P. Midkiff, J.E. Moreira, M. Gupta, S. Chatterjee, J. Ferrante, J. Prins, W. Pugh and C.-W. Tseng, Eds., pp. 1-15)

Approaching Real-Time Cloth Simulation Using Parallelism
S. Romero, F. Romero, E.L. Zapata
16th IMACS World Congress 2000 on Scientific Computation, Applied Mathematics and Simulation, Lausanne (Switzerland), August 2000

e-Commerce for Interactive Video Databases
R. Asenjo, A. Navarro, M. Rodriguez, M. Ujaldon, E.L. Zapata
International Conference on Advances in Infrastructure for Electronic Business, Science, and Education on the Internet (SSGRR'00), L'Aquila (Rome), July-August 2000

MMX-like Architecture Extension to Support the Rotation Operation [doi]
J. Villalba, J. Hormigo, M. Gonzalez, E.L. Zapata
IEEE International Conference on Multimedia and Expo (ICME'00), New York (NY, USA), July-August 2000

Architecture for Wavelet Packet Transform with Best Tree Searching [doi]
M.A. Trenas, J. Lopez, M. Sanchez, F. Argüello, E.L. Zapata
IEEE International Conference on Application-Specific Systems, Architectures, and Processors (ASAP'00), Boston (MA, USA), July 2000

Parallelization of an Algorithm for Non Rigid Objects Detection with Stochastic Global Optimization
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata, P.M. Ortigosa, I. Garcia
Conference of PhD Students on Computer Sciences ((CS)2), Szeged (Hungary), July 2000

Object Matching Using Multiresolution Stochastic Optimization
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata, P.M. Ortigosa, I. Garcia
17th European Conference on Operational Research (EURO XVII), Budapest (Hungary), July 2000

A Data Parallel Formulation of the Barnes-Hut Method for N-body Simulations [doi]
M. Amor, F. Argüello, J. Lopez, O. Plata, E.L. Zapata
International Workshop on Applied Parallel Computing (PARA'00), Bergen (Norway), June 2000
(Springer, LNCS 1947, T. Soverik, F. Manne, A.H. Gebremedhin and R. Moe, Eds., pp. 342-349)

Parallelization of a Recursive Decoupling Method for Solving Tridiagonal Linear Systems on Distributed Memory Computer [doi]
M. Amor, F. Argüello, J. Lopez, E.L. Zapata
4th International Meeting on Vector and Parallel Processing (VECPAR'00), Porto (Portugal), June 2000
(Springer, LNCS 1981, J.M.L.M. Palma, J. Dongarra and V. Hernandez, Eds., pp. 529-535)

Parallel Algorithm for Fast Cloth Simulation [doi]
S. Romero, F. Romero, E.L. Zapata
4th International Conference on Vector and Parallel Processing (VECPAR'00), Porto (Portugal), June 2000
(Springer, LNCS 1981, J.M.L.M. Palma, J. Dongarra and V. Hernandez, Eds., pp. 529-535)

Automatic Iteration/Data Partitioning for Distributed Shared Memory Systems
A. Navarro, R. Asenjo, E.L. Zapata
NATO Advanced Research Workshop on High Performance Computing: Technology and Applications, Cetraro (Italy), June 2000

An Architecture for Wavelet-Packet Based Speech Enhancement for Hearing Aids [doi]
M.A. Trenas, J. Lopez, F. Argüello, E.L. Zapata
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'00), Istanbul (Turkey), June 2000

A Compiler Method for the Parallel Execution of Irregular Reductions in Scalable Shared Memory Multiprocessors [doi]
E. Gutierrez, O. Plata, E.L. Zapata
14th ACM International Conference on Supercomputing (ICS'00), Santa Fe (NM, USA), May 2000

Scalable Automatic Parallelization of Irregular Reductions on Shared Memory Multiprocessors
E. Gutierrez, O. Plata, E.L. Zapata
8th Workshop on Compilers for Parallel Computers (CPC'00), Aussois (France), January 2000

Parallel Architecture for the Computation of NURBS Surfaces [doi]
M. Boo, J.D. Bruguera, E.L. Zapata
IST/SPIE's 12th Annual International Symposium on Electronic Imaging 2000, Science and Technology (Media Processors 2000), San Jose (CA, USA), January 2000

1999

Data-Parallel Support for Numerical Irregular Problems [doi]
E.L. Zapata, O. Plata, R. Asenjo, G.P. Trabado
Parallel Computing, 25 (13-14), December 1999, pp. 1971-1994

FPGA Implementation of a CORDIC Processor with Reduced Number of Iterations
M. Gonzalez, J. Hormigo, J. Villalba, E. Saez, E.L. Zapata
14th Conference on Design of Circuits and Integrated Systems (DCIS'99), Palma de Mallorca (Spain), November 1999

Automatic Analytical Modeling for the Estimation of Cache Misses [doi]
B.B. Fraguela, R. Doallo, E.L. Zapata
International Conference on Parallel Architectures and Compilation Techniques (PACT'99), Newport Beach (CA, USA), October 1999

Access Descriptor Based Locality Analysis for Distributed-Shared Memory Multiprocessors [doi]
A. Navarro, R. Asenjo, E.L. Zapata, D. Padua
International Conference on Parallel Processing (ICPP'99), Aizu-Wakamatsu (Japan), September 1999

Una Formulacion del Paralelismo de Datos para Algoritmos Divide y Vencerás
M. Amor, F. Argüello, J. Lopez, O. Plata, E.L. Zapata
X Jornadas de Paralelismo (JJPP'99), La Manga del Mar Menor (Murcia, Spain), September 1999

Arithmetic Unit for the Computation of Interval Elementary Functions [doi]
J. Hormigo, J. Villalba, E.L. Zapata
25th EUROMICRO Conference. Informatics: Theory and Practice for the New Millenium, Milan (Italy), September 1999

Planar 3D Object Detection by Using the Generalized Hough Transform [doi]
N. Guil, J.R. Cozar, E.L. Zapata
10th International Conference on Image Analysis and Processing (ICIAP'99), Venice (Italy), September 1999

On Automatic Parallelization of Irregular Reductions on Scalable Shared Memory Systems [doi]
E. Gutierrez, O. Plata, E.L. Zapata
5th International European Conference on Parallel and Distributed Computing (EuroPar'99), Toulouse (France), August-September 1999
(Springer, LNCS 1685, P. Amestoy, P. Berger, M. Dayde, D. Ruiz, I. Duff, V. Fraysse and L. Giraud, Eds., pp. 422-429)

Set Associative Cache Behavior Optimization [doi]
R. Doallo, B.B. Fraguela, E.L. Zapata
5th International European Conference on Parallel and Distributed Computing (EuroPar'99), Toulouse (France), August-September 1999
(Springer, LNCS 1685, P. Amestoy, P. Berger, M. Dayde, D. Ruiz, I. Duff, V. Fraysse and L. Giraud, Eds., pp. 229-238)

An Automatic Iteration/Data Distribution Method based on Access Descriptors for DSMM [doi]
A. Navarro, E.L. Zapata
12th International Workshop on Languages and Compilers for Parallel Computing (LCPC'99), La Jolla (CA, USA), August 1999
(Springer, LNCS 1863, L. Carter and J. Ferrante, Eds., pp. 133-148)

Enhancing the Parallelization of Sparse Matrices Through Dynamic Issues
G. Bandera, M. Ujaldon, E.L. Zapata
International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'99), Las Vegas (NV, USA), June-July 1999

An Efficient Architecture for the In-Place Fast Cosine Transform [doi]
M. Sanchez, J. Lopez, O. Plata, M.A. Trenas, E.L. Zapata
Journal of VLSI Signal Processing Systems for Signal, Image and Video Technology, 21 (2), June 1999, pp. 91-102

Bidimensional Shape Detection Using an Invariant Approach [doi]
N. Guil, J.M. Gonzalez-Linares, E.L. Zapata
Pattern Recognition, 32 (6), June 1999, pp. 1025-1038

New Shape Analysis Techniques for Automatic Parallelization of C Codes [doi]
F. Corbera, R. Asenjo, E.L. Zapata
13th ACM International Conference on Supercomputing (ICS'99), Rhodes (Greece), June 1999

A Multiresolution Generalized Hough Transform
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata
VIII Simposium Nacional de Reconocimiento de Formas y Analisis de Imagenes (SNRFAI), Bilbao (Spain), May 1999

Interval Sine and Cosine Functions Computation Based on Variable-Precision CORDIC Algorithm [doi]
J. Hormigo, J. Villalba, E.L. Zapata
14th IEEE Symposium on Computer Arithmetic (ARITH-14), Adelaide (Australia), April 1999

Sparse Matrix Block-Cyclic Redistribution [doi]
G. Bandera, E.L. Zapata
13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing (IPPS/SPDP'99), San Juan (Puerto Rico, USA), April 1999

Memory Hierarchy Performance Prediction for Blocked Sparse Algorithms [doi]
B.B. Fraguela, R. Doallo, E.L. Zapata
Parallel Processing Letters, 9 (3), March 1999, pp. 347-360

Parallel Pivots LU Algorithm on the Cray T3E [doi]
R. Asenjo, E.L. Zapata
4th International Conference of the Austrian Center for Parallel Computation (ACPC'99), Salzburg (Austria), February 1999
(Springer, LNCS 1557, P. Zinterhof, M. Vajtersic, and A. Uhl, Eds., pp. 38-47)

Direct Mapped Cache Performance Modeling for Sparse Matrix Operations [doi]
R. Doallo, B.B. Fraguela, E.L. Zapata
7th EUROMICRO Workshop on Parallel and Distributed Processing (PDP'99), Funchal (Portugal), February 1999

Area-Efficient Architecture for Fast Fourier Transform [doi]
J.A. Hidalgo, J. Lopez, F. Argüello, E.L. Zapata
IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, 46 (2), February 1999, pp. 187-193

Book Chapter: A Hardware Approach to Interval Artihmetic for Sine and Cosine Functions [doi]
J. Hormigo, J. Villalba, E.L. Zapata
Developments in Reliable Computing, (Springer, Dordrecht, T. Csendes Ed., pp. 31-41, 1999)

1998

FPGA Implementation of a Variable Precision CORDIC Processor
E. Saez, J. Villalba, J. Hormigo, F.J. Quiles, J.I. Benavides, E.L. Zapata
13th Conference on Design of Circuits and Integrated Systems (DCIS'98), Madrid (Spain), November 1998

CORDIC Algorithm with Digits Skipping [doi]
J. Hormigo, J. Villalba, E.L. Zapata
32th Asilomar Conference on Signals, Systems and Computers, Pacific Grove (CA, USA), November 1998

Parallelization of Benchmarks for Scalable Shared-Memory Multiprocessors [doi]
Y. Paek, A. Navarro, E.L. Zapata, D. Padua
International Conference on Parallel Architectures and Compilation Techniques (PACT'98), Paris (France), October 1998

A Hardware Approximation to Interval Arithmetic for Sine and Cosine Functions [doi]
J. Hormigo, J. Villalba, E.L. Zapata
IMACS/GAMS International Symposium on Scientific Computing, Computer Arithmetic and Validated Numerics (SCAN'98), Szeged (Hungary), September 1998
(Springer, Developments on Reliable Computing, T. Csendes, Ed., pp. 31-41)

Fast Scalable Solution for the Parallel Hierarchical Radiosity Problem in Distributed Memory Architectures
J.I. Benavides, G. Cerruela, P.P. Trabado, E.L. Zapata
2nd Eurographics Workshop on Parallel Graphics and Visualisation (EGPGV'98), Rennes (France), September 1998

Analisis de Reducciones Paralelas en Aplicaciones Irregulares
E. Gutierrez, O. Plata, E.L. Zapata
IX Jornadas de Paralelismo (JJPP'98), San Sebastian (Spain), September 1998

Estrategias de Paralelizacion de VMEC
E.M. Ortigosa, F. Romero, E.L. Zapata
IX Jornadas de Paralelismo (JJPP'98), San Sebastian (Spain), September 1998

Cache Misses Prediction for High Performance Sparse Algorithms [doi]
B.B. Fraguela, R. Doallo, E.L. Zapata
4th International European Conference on Parallel and Distributed Computing (EuroPar'98), Southampton (UK), September 1998
(Springer, LNCS 1470, D. Pritchard and J. Reeve, Eds., pp. 224-233)

Data Parallel Extensions for Maximizing Locality in Numerical Irregular Problems
O. Plata, G.P. Trabado, E.L. Zapata
Seminar No. 98341 on Tiling for Optimal Resource Utilization, Dagstuhl (Saarland, Germany), August 1998

Cache Probabilistic Modeling for Basic Sparse Algebra Kernels Involving Matrices with a Non-Uniform Distribution [doi]
R. Doallo, B.B. Fraguela, E.L. Zapata
24th EUROMICRO Conference, Vasteras (Sweden), August 1998

Parallel Compensation of Scale Factor for the CORDIC Algorithm [doi]
J. Villalba, T. Lang, E.L. Zapata
Journal of VLSI Signal Processing Systems for Signal, Image, and Video Technology, 19 (3), August 1998, pp. 227-241

HPF-2 Support for Dynamic Sparse Computations [doi]
R. Asenjo, O. Plata, J. Touriño, R. Doallo, E.L. Zapata
11th International Workshop on Languages and Compilers for Parallel Computing (LCPC'98), Chapel Hill (NC, USA), August 1998
(Springer, LNCS 1656, S. Chatterjee, J.F. Prins, L. Carter, J. Ferrante, Z. Li, D. Sehr and P-C. Yew, Eds., pp. 230-246)

Radix-4 Vectoring CORDIC Algorithm and Architectures [doi]
J. Villalba, E.L. Zapata, E. Antelo, J.D. Bruguera
Journal of VLSI Signal Processing Systems for Signal, Image, and Video Technology, 19 (2), July 1998, pp. 127-147

HPF Directives and Run-Time Support for Molecular Dynamics Problems [link]
G.P. Trabado, O. Plata, E.L. Zapata
7th Workshop on Compilers for Parallel Computers (CPC'98), Linköping (Sweden), June-July 1998

Skill-Mart: Skilled Robotic Manipulation of Non-Rigid Objects
P.P. Trabado, N. Guil, E.L. Zapata
WorkShop on European Scientific and Industrial Collaboration (WESIC'98), Girona (Spain), June 1998

Algorithm for Cosine Transform of Toeplitz Matrices [doi]
F. Argüello, M.A. Trenas, J. Lopez, E.L. Zapata
Electronics Letters, 34 (12), June 1998, pp. 1182-1183

Data-Parallel Extensions for Numerical Irregular Problems
E.L. Zapata, O. Plata, E. Gutierrez
NATO Advanced Research Workshop on High Performance Computing: Technology and Applications, Cetraro (Italy), June 1998

Real-Time Virtual Video Production
N. Guil, E.L. Zapata
WorkShop on European Scientific and Industrial Collaboration (WESIC'98), Girona (Spain), June 1998

Computational Space Reduction and Parallelization of a New Clustering Approach for Large Groups of Sequences [doi]
O. Trelles, M.A. Andrade, A. Valencia, E.L. Zapata, J.M. Carazo
Bioinformatics, 14 (5), June 1998, pp. 439-451

Parallelization Strategies for the VMEC Program [doi]
F. Romero, E.M. Ortigosa, E.L. Zapata, J.A. Jimenez
4th International Workshop on Applied Parallel Computing in Large Scale Scientific and Industrial Problems (PARA'98), Umea (Sweden), June 1998
(Springer, LNCS 1541, B. Kagstrom, J. Dongarra, E. Elmroth and J. Wasniewski, Eds., pp. 483-490)

Modeling Set Associative Caches Behaviour for Irregular Computations [doi]
B.B. Fraguela, R. Doallo, E.L. Zapata
ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS'98), Madison (WI, USA), June 1998, pp. 192-201

Parallel Implementation for DNAml Program on Message-Passing Architectures [doi]
C. Ceron, J. Dopazo, E.L. Zapata, J.M. Carazo, O. Trelles
Parallel Computing, 24 (5-6), June 1998, pp. 701-716

Data-Parallel Issues for Applications Containing Sparse References
G. Bandera, E.L. Zapata
2nd Annual HPF Users Group Meeting (HUG'98) (co-located with VECPAR'98), Oporto (Portugal), June 1998

A Memory System Supporting the Efficient SIMD Computation of the Two Dimensional DWT [doi]
M.A. Trenas, J. Lopez, F. Argüello, E.L. Zapata
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'98), Seattle (WA, USA), May 1998

Local Enumeration Techniques for Sparse Algorithms [doi]
G. Bandera, P.P. Trabado, E.L. Zapata
International Parallel Processing Symposium (IPPS'98) and Symposium on Parallel and Distributed Processing (SPDP'98), Orlando (FL, USA), March-April 1998

A Novel Design of a Two Operand Normalization Circuit [doi]
E. Antelo, M. Boo, J.D. Bruguera, E.L. Zapata
IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 6 (1), March 1998, pp. 173-176

Biological Sequence Analysis on Distributed-Shared Memory Multiprocessors [doi]
A. Rodriguez, L.G. de la Fraga, E.L. Zapata, J.M. Carazo, O. Trelles
6th Euromicro WorkShop on Parallel and Distributed Processing (PDP'98), Madrid (Spain), January 1998

1997

Error Analysis and Reduction for Angle Calculation Using the CORDIC Algorithm [doi]
E. Antelo, J.D. Bruguera, T. Lang, E.L. Zapata
IEEE Transactions on Computers, 46 (11), November 1997, pp. 1264-1271

Three-Dimensional Rotations Based on General Purpose 3D CORDIC Algorithm
D. Reche, J. Villalba, E.L. Zapata
XII International Conference on Design of Circuits and Integrated Systems (DCIS'97), Sevilla (Spain), November 1997

Architecture and Memory System for the Successive Doubling Method
M. Sanchez, J. Lopez, E.L. Zapata
XII International Conference on Design of Circuits and Integrated Systems (DCIS'97), Sevilla (Spain), November 1997

Vienna-Fortran/HPF Extensions for Sparse and Irregular Problems and Their Compilation [doi]
M. Ujaldon, E.L. Zapata, B.M. Chapman, H.P. Zima
IEEE Transactions on Parallel and Distributed Systems, 8 (10), October 1997, pp. 1068-1083

Lower Order Circle and Ellipse Hough Transform [doi]
N. Guil, E.L. Zapata
Journal of Pattern Recognition, 30 (10), October 1997, pp. 1729-1744

Modelling Superlinear Speedup on Distributed Memory Multiprocessors [doi]
V. Blanco, F.F. Rivera, D.B. Heras, M. Amor, O. Plata, E.L. Zapata
International Conference on Parallel Computing (ParCo'97), Bonn (Germany), September 1997
(Elsevier, Advances in Parallel Computing, vol. 12, E.H. D´Hollander, F.J. Peters, G.R. Joubert, U. Trottenberg and R. Volpel, Eds., pp. 698-692, 1998)

Mapping of Trellises Associated with General Encoders onto High-Performance VLSI Architectures [doi]
M. Boo, F. Argüello, J.D. Bruguera, E.L. Zapata
Journal of VLSI Signal Processing for Signal, Image and Video Technology, 17, September 1997, pp. 57-73

Paralelismo de Tareas en el Analisis de Secuencias Biologicas
A. Rodriguez, L.G. de la Fraga, E.L. Zapata, J.M. Carazo, O. Trelles
VIII Jornadas de Paralelismo (JJPP'97), Caceres (Spain), September 1997

Paralelizacion Automatica de Codigos Fortran Irregulares
R. Asenjo, E. Gutierrez, Y. Lin, D. Padua, B. Pottenger, E.L. Zapata
VIII Jornadas de Paralelismo (JJPP'97), Caceres (Spain), September 1997

Un Sistema de Memoria Eficiente para el Computo SIMD de la DWT Bidimensional
M.A. Trenas, J. Lopez, F. Argüello, E.L. Zapata
VIII Jornadas de Paralelismo (JJPP'97), Caceres (Spain), September 1997

Modelado del Rendimiento Cache en el Producto Matriz Dispersa - Vector
B.B. Fraguela, R. Doallo, J. Touriño, E.L. Zapata
VIII Jornadas de Paralelismo (JJPP'97), Caceres (Spain), September 1997

Fast Hough Transform on Multiprocessors: A Branch and Bound Approach [doi]
N. Guil, E.L. Zapata
Journal of Parallel and Distributed Computing, 45 (1), August 1997, pp. 82-89

High Performance Rotation Architectures Based on Radix-4 CORDIC Algorithm [doi]
E. Antelo, J. Villalba, J.D. Bruguera, E.L. Zapata
IEEE Transactions on Computers, 46 (8), August 1997, pp. 855-870

Compiler Techniques for Effective Communication on Distributed-Memory Multiprocessors [doi]
A. Navarro, Y. Paek, E.L. Zapata, D. Padua
International Conference on Parallel Processing (ICPP'97), Bloomingdale (IL, USA), August 1997

Data Parallel Language Extensions for Exploiting Locality in Irregular Problems [doi]
G.P. Trabado, E.L. Zapata
10th International Worshop on Languages and Compilers for Parallel Computing (LCPC'97), Minneapolis (MN, USA), August 1997
(Springer, LNCS 1366, Z. Li, P-C. Yew, S. Chatterjee, C-H. Huang, P. Sadayappan and D. Sehr, Eds., pp. 218-234)

An Efficient Architecture for the In Place Fast Cosine Transform [doi]
M. Sanchez, J. Lopez, O. Plata, E.L. Zapata
IEEE International Conference on Application-Specific Systems, Architectures and Processors (ASAP'97), Zurich (Switzerland), July 1997

A Probabilistic Model for Best-First Search B&B Algorithms [doi]
F. Argüello, N. Guil, J. Lopez, M. Amor, E.L. Zapata
4th International Symposium on Solving Irregularly Structured Problems in Parallel (IRREGULAR'97), Paderborn (Germany), June 1997
>(Springer, LNCS 1253, G. Bilardi, A. Ferreira, R. Luling and J. Rolim, Eds., pp. 49-60)

Unified Framework for the Parallelization of Divide and Conquer Based Tridiagonal Systems [doi]
J. Lopez, O. Plata, F. Argüello, E.L. Zapata
Parallel Computing, 23 (6), June 1997, pp. 667-686

Mapping Tridiagonal System Algorithms onto Mesh Connected Computers [doi]
M. Amor, J. Lopez, F. Argüello, E.L. Zapata
International Journal of High Speed Computing, 9 (2), June 1997, pp. 101-126

Virtual Animation of Tomographic Volumes on Multiprocessors
J.R. Cozar, R. Asenjo, E.L. Zapata
VII National Symposium on Pattern Recognition and Image Analysis, Bellaterra (Barcelona, Spain), April 1997

The Sparse Cyclic Distribution against its Dense Counterparts [doi]
G. Bandera, M. Ujaldon, M.A. Trenas, E.L. Zapata
11th International Parallel Processing Symposium (IPPS'97), Geneva (Switzerland), April 1997

Parallel Computing of Semiconductor Laser Equations
F. Romero, E.L. Zapata, J.I. Ramos
8th SIAM Conference on Parallel Processing for Scientific Computing, Minneapolis (MN, USA), March 1997

High-Performance VLSI Architecture for the Viterbi Algorithm [doi]
M. Boo, F. Argüello, J.D. Bruguera, R. Doallo, E.L. Zapata
IEEE Transactions on Communications, 45 (2), February 1997, pp. 168-176

Performance Analysis for Polaris on Distributed-Memory Multiprocessors
A. Navarro, D. Padua, Y. Paek, E.L. Zapata
3rd Workshop on Automatic Data Layout and Performance Prediction, Barcelona (Spain), January 1997

Finite Element Resolution of the 3D Stationary Semiconductor Device Equations on Multiprocessors [doi]
T.F. Pena, J.D. Bruguera, E.L. Zapata
Journal of Integrated Computer-Aided Engineering, 4 (1), January 1997, pp. 66-77

1996

Analyzing Data Structures for Parallel Sparse Direct Solvers: Pivoting and Fill-in
J. Touriño, R. Doallo, R. Asenjo, O. Plata, E.L. Zapata
6th Workshop on Compilers for Parallel Computers (CPC'96), Aachen (Germany), December 1996

A New Invariant Scheme for the Generalized Hough Transform
N. Guil, E.L. Zapata
IASTED International Conference on Signal and Image Processing (SIP'96), Orlando (FL, USA), November 1996

Parallelization Techniques for Sparse Matrix Applications [doi]
M. Ujaldon, E.L. Zapata, S.D. Sharma, J. Saltz
Journal of Parallel and Distributed Computing, 38 (2), November 1996, pp. 256-266

Unified Mixed Radix 2-4 Redundant CORDIC Processor [doi]
E. Antelo, J.D. Bruguera, E.L. Zapata
IEEE Transaction on Computers, 45 (9), September 1996, pp. 1068-1073

Parallelization of Irregular Algorithms for Shape Detection [doi]
N. Guil, E.L. Zapata
IEEE International Conference on Image Processing (ICIP'96), Lausanne (Switzerland), September 1996

High Performance VLSI Architecture for the Trellis Coded Quantization [doi]
M. Boo, F. Argüello, J.D. Bruguera, E.L. Zapata
3rd IEEE International Conference on Image Processing (ICIP'96), Lausanne (Switzerland), September 1996

Solving the Eigenvalues of Symmetric Sparse Matrices Applying Parallelism
M.A. Trenas, R. Asenjo, E.L. Zapata
2nd Euroconference on Supercomputation in Nonlinear and Disordered Systems: Algorithms, Applications and Architectures, San Lorenzo de El Escorial (Madrid, Spain), September 1996
(World Scientific, L. Vazquez, F. Tirado and I. Martin, Eds., pp. 347-351)

Parallel Simulation of Semiconductor Laser Arrays
F. Romero, E.L. Zapata, J.I. Ramos
2nd Euroconference on Supercomputation in Nonlinear and Disordered Systems: Algorithms, Applications and Architectures, San Lorenzo de El Escorial (Madrid, Spain), September 1996
(World Scientific, L. Vazquez, F. Tirado and I. Martin, Eds., pp. 335-342)

Iterative and Direct Sparse Solvers on Parallel Computers
R. Asenjo, G. Bandera, G.P. Trabado, O. Plata, E.L. Zapata
2nd Euroconference on Supercomputation in Nonlinear and Disordered Systems: Algorithms, Applications and Architectures, San Lorenzo de El Escorial (Madrid, Spain), September 1996
(World Scientific, L. Vazquez, F. Tirado and I. Martin, Eds., pp. 85-99)

A Parallel Q-Method for a Semiconductor Laser Array Model
F. Romero, E.L. Zapata, J.I. Ramos
8th Joint EPS-APS International Conference on Physics Computing (PC'96), Krakow (Poland), September 1996
(Academic Computer Centre CYFRONET, P. Borcherds, M. Bubak and A. Maksymowicz, Eds., pp. 325-328)

Problemas Grand-Challenge en Biologia y BioMedicina, su Planteamiento y Nuestros Enfoques Actuales
J.M. Carazo, L.G. de la Fraga, J. Sanjurjo, I. Garcia, J. Roca, O. Trelles, E.L. Zapata
VII Jornadas de Paralelismo (JJPP'96), Santiago de Compostela (Spain), September 1996

Algoritmos Paralelos para el Calculo de Autovalores en Matrices Simetricas Dispersas
M.A. Trenas, R. Asenjo, E.L. Zapata
VII Jornadas de Paralelismo (JJPP'96), Santiago de Compostela (Spain), September 1996

Animacion Virtual de Volumenes Tomograficos en Multiprocesadores
J.R. Cozar, R. Asenjo, E.L. Zapata
VII Jornadas de Paralelismo (JJPP'96), Santiago de Compostela (Spain), September 1996

Metodos de Reduccion Ciclica en Mallas de Computadores
M. Amor, J. Lopez, F. Argüello, S. Romero, E.L. Zapata
VII Jornadas de Paralelismo (JJPP'96), Santiago de Compostela (Spain), September 1996

A Parallel Pipelined Hough Transform [doi]
N. Guil, E.L. Zapata
2nd International European Conference on Parallel Processing (EuroPar'96), Lyon (France), August 1996
(Springer, LNCS 1124, L. Bouge, P. Fraigniaud, A. Mignotte and Y. Robert, Eds., pp. 131-138)

High Radix Cordic Rotation based on Selection by Rounding [doi]
E. Antelo, J.D. Bruguera, T. Lang, J. Villalba, E.L. Zapata
2nd International European Conference on Parallel Processing (EuroPar'96), Lyon (France), August 1996
(Springer, LNCS 1124, L. Bouge, P. Fraigniaud, A. Mignotte and Y. Robert, Eds., pp. 155-164)

High-Speed Viterbi Decoder: An Efficient Scheduling Method to Exploit the Pipelining [doi]
M. Boo, F. Argüello, J.D. Bruguera, E.L. Zapata
International Conference on Application-Specific Systems, Architectures and Processors (ASAP'96), Chicago (IL, USA), August 1996

Radix-4 Vectoring CORDIC Algorithm and Architectures [doi]
J. Villalba, J.C. Arrabal, E.L. Zapata, E. Antelo, J.D. Bruguera
International Conference on Application-Specific Systems, Architectures and Processors (ASAP'96), Chicago (IL, USA), August 1996

Extending CRAFT Data-Distributions for Sparse Matrices
G. Bandera, E.L. Zapata
2nd European Cray MPP Workshop, EPCC (Edinburgh, UK), July 1996

Extending Data-Parallel Languages for Irregularly Structured Applications [doi]
G. Bandera, G.P. Trabado, E.L. Zapata
NATO Advanced Research Workshop on High Performance Computing: Technology and Applications, Cetraro (Italy), June 1996
(Springer, NATO ASI Series, 3. High Technology, Vol. 30, L. Grandinetti, J. Kowalik and M. Vajtersic, Eds., 1997, pp. 235-251)

CORDIC Based Parallel/Pipelined Architecture for the Hough Transform [doi]
J.D. Bruguera, N. Guil, T. Lang, J. Villalba, E.L. Zapata
Journal of VLSI Signal Processing for Signal, Image and Video Technology, 12, June 1996, pp. 207-221

Experimental Evaluation of Efficient Sparse Matrix Distributions [doi]
M. Ujaldon, S. Sharma, E.L. Zapata, J. Saltz
10th ACM International Conference on Supercomputing (ICS'96), Philadelphia (PA, USA), May 1996

Implementation and Experimental Evaluation of the Constrained ART Algorithm on a Multicomputer System [doi]
I. Garcia, J. Roca, J. Sanjurjo, J.M. Carazo, E.L. Zapata
Journal of Signal Processing, 51 (1), May 1996, pp. 69-76

Sparse Givens QR Factorization on a Multiprocessor
J. Touriño, R. Doallo, E.L. Zapata
2nd International Conference on Massively Parallel Computing Systems (MPCS'96), Ischia (Italy), May 1996

Compilation Issues for Irregular Problems
R. Asenjo, G.P. Trabado, M. Ujaldon, E.L. Zapata
Workshop on Parallel Programming Environments for High-Performance Computing, L'Alpe d'Huez (France), April 1996

Efficient Parallel Solution of a Semiconductor Laser Array Dynamics Model [doi]
F. Romero, E.L. Zapata, J.I. Ramos
High-Performance Computing and Networking (HPCN Europe'96), Brussels (Belgium), April 1996
(Springer, LNCS 1067, H. Liddell, A. Colbrook, B. Hertzberger and P. Sloot, Eds., pp. 938-939)

Parallel Sparse Modified Gram-Schmidt QR Decomposition [doi]
R. Doallo, B.B. Fraguela, J. Touriño, E.L. Zapata
International Conference on High-Performance Computing and Networking (HPCN EUROPE'96), Brussels (Belgium), April 1996
(Springer, LNCS 1067, H. Liddell, A. Colbrook, B. Hertzberger and P. Sloot, Eds., pp. 646-653)

Sparse Householder QR Factorization on a Mesh [doi]
R. Doallo, J. Touriño, E.L. Zapata
4th Euromicro Workshop on Parallel and Distributed Processing (PDP'96), Braga (Portugal), January 1996

FFTs on Mesh Connected Computers [doi]
F. Argüello, M. Amor, E.L. Zapata
Parallel Computing, 22 (1), January 1996, pp. 19-38

Data-Parallel Language Features for Sparse Codes
M. Ujaldon, E.L. Zapata, B. Chapman, H. Zima
Languages, Compilers and Run-Time Systems for Scalable Computers
(Kluwer Academic Pubs., B.K. Szymanski, B. Sinharoy, Eds., pp. 253-264, 1996)

1995

A Parallel Architecture for the Self-Sorting FFT Algorithm [doi]
F. Argüello, J.D. Bruguera, E.L. Zapata
Journal of Parallel and Distributed Computing, 31 (1), November 1995, pp. 88-97

Arquitectura Semisistolica para el Calculo de la DCT
M. Sanchez, J.D. Bruguera, E.L. Zapata
X Congreso de Diseño de Circuitos Integrados y Sistemas (DCIS'95), Zaragoza (Spain), November 1995

A Fast Hough Transform for Segment Detection [doi]
N. Guil, J. Villalba, E.L. Zapata
IEEE Transactions on Image Processing, 4 (11), November 1995, pp. 1541-1548

Bit Serial Architecture for the Two-Dimensional DCT
M. Sanchez, J.D. Bruguera, E.L. Zapata
6th International Conference on Signal Processing Applications and Technology (ICSPAT'95), Boston (MA, USA), October 1995

Bit Serial Architecture for the Calculation of the Two-Dimensional DCT
M. Sanchez, J.D. Bruguera, E.L. Zapata
21st European Solid-State Circuits Conference (ESSCIRC'95), Lille (France), September 1995

A Scalable Algorithm for Region Growing Segmentation
J.M. Gonzalez-Linares, N. Guil, E.L. Zapata
4th International Parallel Computing Workshop (PCW'95), London (UK), September 1995

Run-Time Techniques for Parallelizing Sparse Matrix Problems [doi]
M. Ujaldon, S.D. Sharma, J. Saltz, E.L. Zapata
2nd Workshop on Parallel Algorithms for Irregularly Structured Problems (IRREGULAR'95), Lyon (France), September 1995
(Springer, LNCS 980, A. Ferreira and J. Rolim, Eds., pp. 43-57)

Digit On-Line Large Radix CORDIC Rotator [doi]
R.R. Osorio, E. Antelo, J.D. Bruguera, J. Villalba, E.L. Zapata
International Conference on Application-Specific Array Processors (ASAP'95), Strasbourg (France), July 1995

CORDIC Architectures with Parallel Compensation of the Scale Factor [doi]
J. Villalba, J.A. Hidalgo, E.L. Zapata, E. Antelo, J.D. Bruguera
International Conference on Application-Specific Array Processors (ASAP'95), Strasbourg (France), July 1995

Redundant CORDIC Rotator Based on Parallel Prediction [doi]
E. Antelo, J.D. Bruguera, J. Villalba, E.L. Zapata
12th IEEE Symposium on Computer Arithmetic (Arith'95), Bath (UK), July 1995

Efficient Resolution of Sparse Indirections in Data-Parallel Compilers [doi]
M. Ujaldon, E.L. Zapata
9th ACM International Conference on Supercomputing (ICS'95), Barcelona (Spain), July 1995

Constant Geometry Split-Radix Algorithms [doi]
F. Argüello, E.L. Zapata
Journal of VLSI Signal Processing Systems for Signal, Image and Video Technology, 10 (2), July 1995, pp. 141-152

An Image-Processing Approach to Dotplots: an X-Window-based Program for Interactive Analysis of Dotplots Derived from Sequence and Structural Data [doi]
O. Trelles, E.L. Zapata, J. Dopazo, A.F.W. Coulson, J.M. Carazo
Bioinformatics, 11 (3), June 1995, pp. 301-308

Dynamic Schedulling on Distributed-Memory Multiprocessors
O. Plata, F.F. Rivera, E.L. Zapata
5th Workshop on Compilers for Parallel Computers (CPC'95), Malaga (Spain), June 1995

Support for Massive Data Input/Output on Parallel Computers
G.P. Trabado, E.L. Zapata
5th Workshop on Compilers for Parallel Computers (CPC'95), Malaga (Spain), June 1995

Development and Implementation of Data-Parallel Compilation Techniques for Sparse Codes
M. Ujaldon, E.L. Zapata
5th Workshop on Compilers for Parallel Computers (CPC'95), Malaga (Spain), June 1995

Sparse LU Factorization on the Cray T3D [doi]
R. Asenjo, E.L. Zapata
International Conference on High-Performance Computing and Networking (HPCN-Europe'95), Milan (Italy), May 1995
(Springer, LNCS 919, B. Hertzberger and G. Serazzi, Eds., pp. 690-696)

New Data-Parallel Language Features for Sparse Matrix Computations [doi]
M. Ujaldon, E.L. Zapata, B.M. Chapman, H.P. Zima
9th International Parallel Processing Symposium (IPPS'95), Santa Barbara (CA, USA), April 1995

Fast Circle and Ellipse Hough Transform
N. Guil, E.L. Zapata
VI Spanish Symposium on Pattern Recognition and Image Analysis, Cordoba (Spain), April 1995

Data Distributions for Sparse Matrix Vector Multiplication [doi]
F. Romero, E.L. Zapata
Parallel Computing, 21 (4), April 1995, pp. 583-605

Exploiting Locality on Parallel Irregular Problem Computations
G.P. Trabado, E.L. Zapata
3d EUROMICRO Workshop on Parallel and Distributed Processing (PDP'95), San Remo (Italy), January 1995

1994

Unified Architecture for Divide and Conquer Based Tridiagonal System Solvers [doi]
J. Lopez, E.L. Zapata
IEEE Transactions on Computers, 43 (12), December 1994, pp. 1413-1425

Parallel Sparse LU Factorization
R. Asenjo, M. Ujaldon, E.L. Zapata
HPF-2: Scope of Activities and Motivating Applications, High Performance Fortran Forum, November 1994

Un Nuevo Metodo Iterativo para la Resolucion de la Ecuacion de Poisson No-Lineal en el Proceso de Simulacion 3D de Semiconductores
T.F. Pena, J.D. Bruguera, E.L. Zapata
IX Congreso de Diseño de Circuitos Integrados, Maspalomas (Gran Canaria, Spain), November 1994

Unnormalized Fixed-Point CORDIC Arithmetic for SVD Processors
E. Antelo, J.D. Bruguera, E.L. Zapata
5th International Conference on Signal Processing Applications and Technology (ICSPAT'94), Dallas (TX, USA), October 1994

Achieving Superlinear Speedup on Hierarchical Distributed Memory Multiprocessors [doi]
F.F. Rivera, O. Plata, E.L. Zapata
2nd International Workshop on Massive Parallelism: Hardware, Software and Applications, Capri (Italy), October 1994
(World Scientific Pub., M.M. Furnari, Ed., pp. 190-204)

Parallel Architecture for Fast Transforms with Trigonometric Kernel [doi]
F. Argüello, J.D. Bruguera, R. Doallo, E.L. Zapata
IEEE Transactions on Parallel and Distributed Systems, 5 (10), October 1994, pp. 1091-1099

Paralelizacion de la Transformada de Hough para la Deteccion de Lineas y Segmentos
N. Guil, F. Romero, E.L. Zapata
V Jornadas de Paralelismo (JJPP'94), Las Alpujarras (Granada, Spain), September 1994

Exhaustive Sequence Database Searching on the Cray T3D
O. Trelles, E.L. Zapata, A.F.W. Coulson, J.F. Collins, J.M. Carazo
Genes, Proteins and Computers, Chester (UK), September 1994

On an Efficient Parallelization of Exhautive Sequence Comparison Algorithms on Message Passing Architectures [doi]
O. Trelles, E.L. Zapata, J.M. Carazo
Bioinformatics, 10 (5), September 1994, pp. 509-511

A Fast Generalized Hough Transform
N. Guil, E.L. Zapata
European Robotics and Intelligent Systems Conference (EURISCON'94), Malaga (Spain), August 1994

Finite Element Simulation of Semiconductor Devices on Multiprocessor Computers [doi]
T.F. Pena, E.L. Zapata, D.J. Evans
Parallel Computing, 20 (8), August 1994, pp. 1129-1159

Molecular-Dynamics Simulation on Simple Fluids: Departure from Linearized Hydrodynamic Behavior of the Dynamical Structure Factor [doi]
E. Enciso, N.G. Almarza, V. del Prado, F.J. Bermejo, E.L. Zapata, M. Ujaldon
Physical Review E, 50 (2), August 1994, pp. 1336-1340

A Parallel Generalized Three-Dimensional Reconstruction from Projections Algorithm on a Transputer-based System
I. Garcia, J. Roca, J. Sanjurjo, J.M. Carazo, E.L. Zapata
14th IMACS World Congress on Computational and Applied Mathematics (IMACS'94), Atlanta (GA, USA), July 1994

Sparse Block and Cyclic Data Distributions for Matrix Computations
R. Asenjo, F. Romero, M. Ujaldon, E.L. Zapata
Advanced Workshop in High Performance Computing: Technology, Methods and Applications, Cetraro (Italy), June 1994
(Elsevier Science, Advances in Parallel Computing, Vol. 10, J.J. Dongarra, L. Grandinetti, G.R. Joubert and J.Kowalik, Eds., pp. 359-377, 1995)

Mapping Strategies of Sequential Sequence Comparison Algorithms on LAN-Based Message Passing Architectures [doi]
O. Trelles, E.L. Zapata, J.M. Carazo
International Conference on High-Performance Computing and Networking (HPCN-Europe'94), Munich (Germany), April 1994
(Springer, LNCS 796, W. Gentzsch and U. Harms, Eds., pp. 197-202)

3D Reconstruction of Macromolecules on Multiprocessors [doi]
M. Ujaldon, R. Asenjo, E.L. Zapata, J.C. Cabaleiro, J.M. Carazo
2nd EUROMICRO Workshop on Parallel and Distributed Processing (PDP'94), Malaga (Spain), January 1994

Convex Constraints on the Residual and 3D Reconstruction from Projections: Proposal of a General ART and its Parallel Implementation [doi]
J. Sanjurjo, E.L. Zapata, I. Garcia, J. Roca, J.M. Carazo
Advances in Pattern Recognition and Applications, World Scientific Pub., F. Casacuberta and A. Sanfeliu Eds., pp. 146-157, 1994

1993

Data Distributions for Sparse Matrix Vector Multiplication
F. Romero, E.L. Zapata
4th Workshop on Compilers for Parallel Computers (CPC'93), Delft (The Netherlands), December 1993

Arquitectura Secuencial con Memoria Centralizada para el Calculo de la DCT/IDCT
M. Sanchez, E.L. Zapata
VIII Congreso de Diseño de Circuitos Integrados, Malaga (Spain), November 1993

Resolucion Mediante Elementos Finitos de las Ecuaciones Basicas de los Semiconductores
T.F. Pena, O. Plata, E.L. Zapata
VIII Congreso de Diseño de Circuitos Integrados, Malaga (Spain), November 1993

Procesador FFT, Parte I: Seccion de Control
F. Argüello, J.D. Bruguera, E.L. Zapata, T. Bautista, V. Armas, R. Sarmiento
VIII Congreso de Diseño de Circuitos Integrados, Malaga (Spain), November 1993

Procesador FFT, Parte II: Seccion de Procesamiento Basada en CORDIC
T. Bautista, V. Armas, R. Sarmiento, J.A. Montiel, F. Argüello, J.D. Bruguera, E.L. Zapata
VIII Congreso de Diseño de Circuitos Integrados, Malaga (Spain), November 1993

Evaluacion Grafica de Programas Paralelos en Transputers mediante Paragraph
V. Blanco, J.C. Cabaleiro, T.F. Pena, F. Argüello, R. Doallo, O. Plata, F.F. Rivera, E.L. Zapata
IV Jornadas de Paralelismo (JJPP'93), Santander (Spain), September 1993

Parallel WZ Factorization on Mesh Multiprocessors [doi]
R. Asenjo, M. Ujaldon, E.L. Zapata
Microprocessing and Microprogramming, 38 (1-5), September 1993, pp. 319-326

Design of a Pipelined Radix 4 CORDIC Processor [doi]
J.D. Bruguera, E. Antelo, E.L. Zapata
Parallel Computing, 19 (7), July 1993, pp. 729-744

Metodologia de Particion de Algoritmos en Computadores Hipercubo
J.D. Bruguera, O. Plata, F.F. Rivera, I. Garcia, E.L. Zapata
Revista de Informatica y Automatica, 26 (2), June 1993, pp. 3-10

An Efficient Processor Allocation for Nested Parallel Loops on Distributed Memory Hypercubes [doi]
O. Plata, T.F. Pena, F.F. Rivera, E.L. Zapata
Parallel Processing Letters, 3 (2), June 1993, pp. 179-187

Solucion Paralela a la Ecuacion de Poisson No Lineal Tridimensional
T.F. Pena, F.F. Rivera, J.C. Cabaleiro, O. Plata, E.L. Zapata
II Congreso sobre Metodos Numericos en Ingenieria, La Coruña (Spain), June 1993

Application-Specific Architecture for Fast Transforms Based on the Successive Doubling Method [doi]
E.L. Zapata, F. Argüello
IEEE Transactions on Signal Processing, 41 (3), March 1993, pp. 1476-1481

Parallel Algorithm for Principal Components Based on Hotelling's Iterative Procedure [doi]
J.C. Cabaleiro, J.M. Carazo, E.L. Zapata
1st EUROMICRO Workshop on Parallel and Distributed Processing (PDP'93), Las Palmas (Gran Canaria, Spain), January 1993

1992

Diseño de un Procesador CORDIC para la Implementacion de Funciones no Lineales
E. Antelo, J.D. Bruguera, E.L. Zapata
VII Congreso de Diseño de Circuitos Integrados (DCIS'92), Toledo (Spain), November 1992

Diseño Generador de Direcciones para la Transformada Rapida Coseno
M. Sanchez, F. Argüello, E.L. Zapata
VII Congreso de Diseño de Circuitos Integrados (DCIS'92), Toledo (Spain), November 1992

Ligaduras Convexas Sobre la Estadistica del Ruido en la Reconstruccion Tridimensional a Partir de Proyecciones: Propuesta de un Nuevo Metodo ART Generalizado
J. Sanjurjo, E.L. Zapata, I. Garcia, J. Roca, J.M. Carazo
V Simposium Nacional de Reconocimiento de Formas y Analisis de Imagenes, Valencia (Spain), September 1992

Transformada Rapida de Hough para la Deteccion de Segmentos
N. Guil, J. Villalba, E.L. Zapata
V Simposium Nacional de Reconocimiento de Formas y Analisis de Imagenes, Valencia (Spain), September 1992

Parallel Tridiagonalization of Symmetric Matrices Based on Lanczos Method
I. Garcia, E.M. Garzon, J.C. Cabaleiro, E.L. Zapata
International Conference on Parallel Computing and Transputers Applications (PACTA'92), Barcelona (Spain), September 1992
(IOS Press/CIMNE, M. Valero, E. Oñate, M. Jane, J.L. Larriba and B. Suarez, Eds., pp. 324-333)

Fast Cosine Transform on Hypercube Computers
J.R. Bujan, O. Plata, F.F. Rivera, T.F. Pena, E.L. Zapata
International Conference on Parallel Computing and Transputers Applications (PACTA'92), Barcelona (Spain), September 1992
(IOS Press/CIMNE, M. Valero, E. Oñate, M. Jane, J.L. Larriba and B. Suarez, Eds., pp. 236-245)

Convex Constraints Enforcing Noise Statistics for 3D Reconstruction
J. Sanjurjo, E.L. Zapata, I. Garcia, J. Roca, J.M. Carazo
10th European Congress on Electron Microscopy (EUREM'92), Granada (Spain), September 1992

Design of Parallel Algorithms for a Distributed Memory Hypercube [doi]
E.L. Zapata, O. Plata, F.F. Rivera
Microprocessors and Microsystems Journal, 16 (9), September 1992, pp. 463-470

Design of Parallel Algorithms for Distributed Memory Hypercube
E.L. Zapata, O. Plata, F.F. Rivera
3rd Workshop on Compilers for Parallel Computers (CPC'92), Vienna (Austria), July 1992

Mapping Algorithms on Hypercube [doi]
E.L. Zapata, F.F. Rivera, O. Plata
NATO Advanced Workshop on Software for Parallel Computation, Cetraro (Cosenza, Italy), June 1992
(Springer, NATO ASI Series F: Computer and System Sciences vol. 106, J.S. Kowalik and L. Grandinetti, Eds., 1993, pp. 249-263)

A Parallel Algorithm for Householder's Tridiagonalization of a Symmetric Matrix [doi]
J.C. Cabaleiro, F.F. Rivera, O. Plata, E.L. Zapata
Journal of Cybernetics and Systems, 23 (3/4), May-August 1992, pp. 345-357

Image Reconstruction on Hypercube Computers: Application to Electron Microscopy [doi]
E.L. Zapata, I. Benavides, F.F. Rivera, J.D. Bruguera, T.F. Pena, J.M. Carazo
Signal Processing, 27 (1), April 1992, pp. 51-62

Detection, Classification and 3D Reconstruction of Biological Macromolecules on Hypercube Computers [doi]
J.M. Carazo, I. Benavides, F.F. Rivera, E.L. Zapata
Ultramicroscopy, 40 (1), January 1992, pp. 13-32

A VLSI Constant Geometry Architecture for the Fast Hartley and Fourier Transforms [doi]
E.L. Zapata, F. Argüello
IEEE Transactions on Parallel and Distributed Systems, 3 (1), January 1992, pp. 58-70

Book Chapter: Parallel Algorithms for Pattern Recognition [doi]
F.F. Rivera, J.M. Carazo, J.I. Benavides, E.L. Zapata
Pattern Recogniton and Image Analysis
(World Scientific Pub., Series in Machine Perception and Artificial Intelligence - Vol. 1, N. Perez de la Blanca, A. Sanfeliu and E. Vidal, Eds., 1992, pp. 21-34)

1991

Semisystolic Architecture for Fast Hartley Transform: Decimation in Frequency and Radix 2 [doi]
F. Argüello, R. Doallo, E.L. Zapata
IEE Proceedings Part G: Circuits, Devices and Systems, 138 (6), December 1991, pp. 651-660

Diseño de un Procesador para la Identificacion de Patrones
R. Doallo, F. Argüello, E.L. Zapata
VI Jornadas de Diseño de Circuitos Integrados, Santander (Spain), November 1991

Ecuacion de Poisson Tridimensional en Computadores Hipercubo
T.F. Pena, O. Plata, F.F. Rivera, E.L. Zapata
2da Accion Especial sobre Paralelismo, San Lorenzo del Escorial (Spain), September 1991

Algoritmo Paralelo para la Tridiagonalizacion de Householder de una Matriz Simetrica
J.C. Cabaleiro, F.F. Rivera, O. Plata, E.L. Zapata
2da Accion Especial sobre Paralelismo, San Lorenzo del Escorial (Spain), September 1991

A Finite Differences 3D Poisson Equation on Hypercube Computers
T.F. Pena, O. Plata, F.F. Rivera, E.L. Zapata
International Conference on Parallel Computing (ParCo'91), London (UK), September 1991
(North Holland, Advances in Parallel Computing, Vol. 4, D.J. Evans, G.R. Joubert and H. Liddell, Eds., 1992, pp. 251-258)

Session F2: Interconnection Networks for Multiprocessor [doi]
E.L. Zapata
Euromicro Symposium on Microprocessing and Microprogramming, Vienna (Austria), September 1991
(Microprocessing and Microprogramming, 32 (1-5), August 1991, p. 573)

3-D Reconstruction in Electron Microscopy: Computing Challenges
E.L. Zapata
Colloque Franco-Iberique de Microscopie Electronique, Barcelona (Spain), July 1991

A Constant-Geometry Semisystolic Architecture for the Fast Hartley Transform [doi]
E.L. Zapata, F. Argüello, J.D. Bruguera
5th Annual European Conference on Advanced Computer Technology, Reliable Systems and Applications (CompEuro'91), Bologna (Italy), May 1991

Modified Gram-Schmidt QR Factorization on Hypercube SIMD Computers [doi]
E.L. Zapata, A. Lamas, F.F. Rivera, O. Plata
Journal of Parallel and Distributed Computing, 12 (1), May 1991, pp. 60-69

Design of a Constant Geometry Fast Hartley Transformer [doi]
F. Argüello, R. Doallo, J.D. Bruguera, E.L. Zapata
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'91), Toronto (Canada), April 1991

Simulation of Semiconductor Devices in Hypercube Computers
T.F. Pena, O. Plata, E.L. Zapata
2nd European Distributed Memory Computing Conference (EDMCC2), Munich (Germany), April 1991
(Springer, LNCS 487, A. Bode, Ed., p. 505)

Modelling Failure Rate for Reliability Models [doi]
E.L. Zapata, J.D. Bruguera
International Journal of Electronics, 70 (1), January 1991, pp. 43-50

Book Chapter: On the Partition of Algorithms into Hypercubes
E.L. Zapata, F.F. Rivera, O. Plata
Advances in Parallel Computing
(JAI Press, Advances in Parallel Computing, Vol. 1, D.J. Evans, Ed., 1991, pp. 149-171)

1990

Filtered Back Projection on Shared-Memory Multiprocessors [doi]
E.L. Zapata, J.M. Carazo, I. Benavides, S. Walther, R. Peskin
Ultramicroscopy, 34 (4), December 1990, pp. 271-282

Broadcasting Algorithms in Computer Networks: Accumulative Depth [doi]
F.F. Rivera, O. Plata, E.L. Zapata
IEE Proceedings - E: Computers and Digital Techniques, 137 (6), November 1990, pp. 427-432

Filtered Backprojection on Hypercube Computers
I. Benavides, T.F. Pena, E.L. Zapata, J.M. Carazo, J.D. Bruguera
International Conference on Parallel Computing in Engineering and Engineering Education, Paris (France), October 1990

Image Reconstruction on Hypercube Computers [doi]
E.L. Zapata, I. Benavides, J.D. Bruguera, J.M. Carazo
3rd Symposium on the Frontiers of Massively Parallel Computation, College Park (MD, USA), October 1990

Image Template Matching on Hypercube SIMD Computers [doi]
E.L. Zapata, J.I. Benavides, O. Plata, F.F. Rivera, J.M. Carazo
Signal Processing, 21 (1), September 1990, pp. 49-60

Fast Cosine Transform Based on the Succesive Doubling Method [doi]
F. Argüello, E.L. Zapata
Electronics Letters, 26 (19), September 1990, pp. 1616-1618

Simulacion de Dispositivos Semiconductores en Supercomputadores Hipercubo
T.F. Pena, E.L. Zapata
V Jornadas de Microelectronica, Granada (Spain), September 1990

Multidimensional Fast Hartley Transform onto SIMD Hypercubes [doi]
E.L. Zapata, F. Argüello, F.F. Rivera, J.D. Bruguera
Microprocessing and Microprogramming, 29 (2), September 1990, pp. 121-134

Parallel Quadrant Interlocking Factorization on Hypercube Computers [doi]
I. Garcia, J.J. Merelo, J.D. Bruguera, E.L. Zapata
Parallel Computing, 15 (1-3), September 1990, pp. 87-100

Algoritmos Paralelos de Reconocimiento de Formas
F.F. Rivera, J.M. Carazo, J.I. Benavides, E.L. Zapata
IV Simposium Nacional de Reconocimiento de Formas y Analisis de Imagenes, Granada (Spain), September 1990

Reconstruccion Tridimensional de Especiienes Biologicos a Partir de Imagenes de Microscopia Electronica: Una Metodologia General
J.M. Carazo, G. Abella, S. Marco, M. Muyal, J. Lizarraga, I. Benavides, E.L. Zapata, J.L. Carrascosa
IV Simposium Nacional de Reconocimiento de Formas y Analisis de Imagenes, Granada (Spain), September 1990

Systolic Architecture for the Calculation of the Correlation Coefficients [doi]
E.L. Zapata, J.C. Cabaleiro, R. Doallo, F.F. Argüello
Microprocessing and Microprogramming, 30 (1-5), August 1990, pp. 609-616

Multidimensional Fast Fourier Transform into SIMD Hypercubes [doi]
E.L. Zapata, F.F. Rivera, I. Benavides, J.M. Carazo, R. Peskin
IEE Proceedings - E: Computers and Digital Techniques, 137 (4), July 1990, pp. 253-260

A Reliability Model for Multiprocessor Networks with Degradable Nodes [doi]
J.D. Bruguera, E.L. Zapata, O. Plata
Microprocessing and Microprogramming, 29 (1), July 1990, pp. 15-25

Algoritmos Numericos en Computadores Hipercubo
E.L. Zapata, J.I. Benavides, J.D. Bruguera, O. Plata, F.F. Rivera
I Congreso sobre Metodos Numericos en Ingenieria, Las Palmas (Gran Canaria, Spain), June 1990

ACLE, A Software Package for SIMD Computers Simulation [doi]
O. Plata, J.D. Bruguera, F.F. Rivera, R. Doallo, E.L. Zapata
The Computer Journal, 33 (3), June 1990, pp. 194-203

Filtering with the Fast T Transform [doi]
T.F. Pena, J.C. Cabaleiro, J.D. Bruguera, E.L. Zapata
Electronics Letters, 26 (11), May 1990, pp. 718-720

Gaussian Elimination with Pivoting on Hypercubes [doi]
F.F. Rivera, R. Doallo, J.D. Bruguera, E.L. Zapata, R. Peskin
Parallel Computing, 14 (1), May 1990, pp. 51-60

Structural Analysis by 3D Electron Microscopy: Current Applications and Future Prospects
J.M. Carazo, S.M. Marco, G. Abella, J.P. Secilla, M. Muyal, I. Benavides, E.L. Zapata, J.L. Carrascosa
International Conference on Computing in Molecular Biology: Genes, Proteins and Computing, Chester (UK), April 1990

Software Tools for Multiprocessor Simulation and Programming [doi]
E.L. Zapata, O. Plata, F.F. Rivera, J.D. Bruguera, R. Doallo, I. Benavides, F. Argüello
Journal of Cybernetics and Systems, 21 (2/3), March-June 1990, pp. 291-310

A VLSI Systolic Architecture for Solving DBT-Transformed Fuzzy Clustering Problems of Arbitrary Size [doi]
R. Doallo, E.L. Zapata
Parallel Computing, 13 (3), March 1990, pp. 321-335

Parallel Squared Error Clustering on Hypercube Arrays [doi]
F.F. Rivera, M.A. Ismail, E.L. Zapata
Journal of Parallel and Distributed Computing, 8 (3), March 1990, pp. 292-299

Fuzzy Sets-based Classification of Electron Microscopy Images of Biological Macromolecules with an Application to Ribosomal Particles [doi]
J.M. Carazo, F.F. Rivera, E.L. Zapata, M. Radermacher, J. Frank
Journal of Microscopy, 157 (2), February 1990, pp. 187-203

Cluster Validity Based on the Hard Tendency of the Fuzzy Classification [doi]
F.F. Rivera, E.L. Zapata, J.M. Carazo
Pattern Recognition Letters, 11 (1), January 1990, pp. 7-12

Transformada Rapida de Hartley en Computadores Hipercubo
F. Argüello, R. Doallo, J.D. Bruguera, E.L. Zapata
Revista de Informatica y Automatica, 23 (1), January 1990, pp. 7-14

Modified Gram-Smidt in Hypercube Computers
E.L. Zapata, O. Plata, F.F. Rivera, T.F. Pena, J.A. Lamas
1ra. Accion Especial sobre Paralelismo, Sitges (Barcelona), January 1990

Restauracion de Imagenes Desenfocadas en un T.M.E. Mediante Proyecciones sobre Conjuntos Convexos y Cerrados
J.R. Sanjurjo, E.L. Zapata, J.M. Carazo
XVI Reunion Bienal de la Sociedad Española de Microscopia Electronica, Cadiz (Spain), 1990

Book Chapter: Image Reconstruction on Transputer Networks
E.L. Zapata, I. Benavides, J.D. Bruguera, J.M. Carazo
Applications of Transputers 2
(IOS Press, D.J. Pritchard and C.J. Scott, Eds., 1990)

Filtered Backprojection on Hypercube Computers
I. Benavides, T.F. Pena, J.D. Bruguera, J.M. Carazo, E.L. Zapata
International Conference Parallel Computing in Engineering, London (UK), 1990

Detection, Averaging and 3D Reconstruction of Biological Specimens on Hypercube (Transputer-Based) Computers
J.M. Carazo, I. Benavides, S. Marco, J.L. Carrascosa, E.L. Zapata
XII International Congress for Electron Microscopy, Seattle (WA, USA), 1990

1989

Arquitectura VLSI Sistolica para el Calculo de los Coeficientes de Correlacion
J.C. Cabaleiro, F. Argüello, E.L. Zapata
V Jornadas de Diseño de Circuitos Integrados (DCIS'89), La Rabida (Huelva, Spain), December 1989

An Array Processing Language for Real Time Programming of Hypercube Concurrent Computers
O. Plata, F. Argüello, J.D. Bruguera, E.L. Zapata
2nd IEE International Conference on Software Engineering for Real Time Systems, Cirencester (UK), September 1989

An Array Processing Language for Message-Passing Hypercubes
O. Plata, E.L. Zapata, F.F. Rivera, R. Peskin
International Conference on Parallel Computing (ParCo'89), Leiden (The Netherlands), August-September 1989
(North-Holland, Advances in Parallel Computing, D.J. Evans, F.J. Peters and G.R. Joubert, Eds., 1990, pp. 455-460)

A DBT-based VLSI Systolic Architecture for Hard Squared Error Clustering [doi]
E.L. Zapata, R. Doallo, S. Barro
Microprocessing and Microprogramming, 27 (1-5), August 1989, pp. 299-305

A Parallel Planar Graphs Separator Cycle Algorithm for Hypercube Computers
J.D. Bruguera, E.L. Zapata, O. Plata, F.F. Rivera
2th International Symposium on Systems Research Informatics and Cybernetics, Baden-Baden (Germany), August 1989

Parallel Fuzzy Clustering on Fixed Size Hypercube SIMD Computers [doi]
E.L. Zapata, F.F. Rivera, O. Plata, M.A. Ismail
Parallel Computing, 11 (3), August 1989, pp. 291-303

A Parallel Markovian Model Reliability Algorithm for Hypercube Networks [doi]
E.L. Zapata, J.D. Bruguera, O. Plata, F.F. Rivera
Microprocessing and Microprogramming, 27 (1-5), August 1989, pp. 501-508

ACLAN, A Parallel Programming Language for Signal Processing [doi]
O. Plata, F.F. Rivera, E.L. Zapata, J.I. Benavides
IEEE International Mediterranean Electrotechnical Conference (MELECON'89), Lisbon (Portugal), April 1989

Markov Reliability Model Based on the Residual Function of the Nodes
J.D. Bruguera, E.L. Zapata
International IFAC/IFIP Symposium on Low Cost Automation, Milan (Italy), 1989

VLSI Multiprocessor Reliability: Influence of Yield
J.D. Bruguera, S. Barro, E.L. Zapata
XII International Conference on Fault Tolerance and System Diagnosis, Praga (Czechoslovakia), 1989

1988

Design of a Pattern Fuzzy Cluster using Systolic Array
E.L. Zapata, R. Doallo, M.A. Ismail
ISMM International Conference on Mini and Microcomputers and their Applications, St. Feliu de Guixols (Gerona, Spain), 1988

Fuzzy Clustering: Application to the Diagnosis of Ventricular Arrhythmias [doi]
D. Cabello, S. Barro, R. Ruiz, E.L. Zapata, J. Mira
Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEMBS'88), New Orleans (LA, USA), November 1988

Concepto de Profundidad Acumulativa Aplicado al Calculo de la Figura de Radiacion en Redes de Computadores
O. Plata, F.F. Rivera, E.L. Zapata
Revista de Informatica y Automatica, 21 (2), April-June 1988, pp. 24-32

Near-Optimal Broadcasting Figures in Computer Networks [doi]
O. Plata, F.F. Rivera, E.L. Zapata
IEEE International Symposium on Circuits and Systems (ISCAS'88), Espoo (Finland), June 1988

A VLSI Systolic Architecture for Fuzzy Clustering [doi]
E.L. Zapata, R. Doallo, F.F. Rivera, M.A. Ismail
Microprocessing and Microprogramming, 24 (1-5), August 1988, pp. 647-654

A Reliability Model for Multiprocessor Systems with Planar Topology and Degradable Nodes
E.L. Zapata, J. Bruguera
1st International Symposium on Systems Research, Informatics and Cybernetics, Baden-Baden (Germany), August 1988

1986

Optimal Broadcasting Figure in Computer Networks: An Algorithmic Solution
O. Plata, E.L. Zapata
IEEE Computer Networking Symposium, Washington D.C. (USA), November 1986

A Computational Frame to Study Social Behaviour in Animals [doi]
J. Mira, D. Cabello, A. Fraile, E.L. Zapata, A.E. Delgado
International Journal of Bio-Medical Computing, 9 (3-4), November 1986, pp. 201-218

Reconfiguration in LTMuP (Lesion-Tolerant Multimicroprocessor System)
R. Ruiz, E.L. Zapata, J. Mira
International IFAC Symposium on LCA 1986: Components, Instruments and Techniques for Low Cost Automation and Applications, Valencia (Spain), November 1986

Macroassembler Implementation of Biomedical Signal Processing Algorithms
S. Barro, E.L. Zapata, J. Mira
IV Mediterranean Conference on Medical and Biological Engineering (Mecombe'86), Seville (Spain), September 1986

A Microprocessor Based Signal Storage and Acquisition System
R.P. Otero, E.L. Zapata, R. Marin
IV Mediterranean Conference on Medical and Biological Engineering (Mecombe'86), Seville (Spain), September 1986

On the Functional Stability of LTOS Operating System: Application to Multiprocessor Based Cardiac Arrhythmia Monitoring
E.L. Zapata, R. Ruiz, J. Mira
9th International Fault Tolerant System Diagnostics Conference, Brno (Czechia), June 1986

An Operating System for Signal Acquisition and Storing
R.P. Otero, E.L. Zapata, J. Mira
II Simposio de Electronica das Telecomunicacoes, Lisbon (Portugal), May 1986

Organization of Communications on Multiprocessor Systems
R. Ruiz, E.L. Zapata, J. Mira
II Simposio de Electronica das Telecomunicacoes, Lisbon (Portugal), May 1986

FTECPU: A Fault Tolerant Module for Real-Time Monitoring Applications
R. Ruiz, E.L. Zapata, J. Mira
7th European Conference on Electronics (EUROCON'86), Paris (France), April 1986

1985

Design of a Multigate Resource Fault Tolerant Controller
E.L. Zapata, J.D. Bruguera, J. Mira
29th ISMM International Symposium on Mini and Microcomputers and their Applications, St. Feliu de Guixols (Gerona, Spain), June 1985

A General Routing Algorithm for Very Large Networks
E.L. Zapata, I. Navarrina, J. Mira
29th ISMM International Symposium on Mini and Microcomputers and their Applications, St. Feliu de Guixols (Gerona, Spain), June 1985

1984

FTECPU: A Fault Tolerant Module for Real-Time Monitoring Applications
R. Ruiz, E.L. Zapata, J. Mira
6th European Conference on Electrotechnics (EUROCON'84), London (UK), September 1984

Control por Microcomputador de Funciones Electronicas: Temporizadores Programables
J. Mira, E.L. Zapata, S. Barro, A. Yañez, O. Plata
V Reunion del G.E.M., Sevilla (Spain), September 1984

Fault Tolerant Communications on the LTMuP Multimicroprocessor System
E.L. Zapata, J. Mira
I Simposio de Electronica das Telecomunicacoes, Lisbon (Portugal), May 1984

1983

LTOS State Table Creation Procedures for LTMuP
E.L. Zapata, J. Mira
9th Euromicro Symposium on Microprocessing and Microprogramming, Madrid (Spain), September 1983
(North-Holland, Microcomputers: Developments in Industry, Business and Education, D.R. Wilson, C.J. Van Spronsen, Eds., 1983, pp. 359-370)

LTMuP and LTOS, A Distributed Cooperative Multimicroprocessor System that Tolerates Physical Damage
J. Mira, E.L. Zapata, A.E. Delgado, D. Cabello
System Learning II: Computers and Digital Techniques
(Intersystems Pub., G. Lasker, Ed., 1983, pp. 691-696)

1982

A Fast Clustering Procedure Using Radial Scanning
J. Mira, D. Cabello, E.L. Zapata, A.E. Delgado
6th International Conference on Pattern Recognition (ICPR'82), Munich (Germany), October 1982

LTOS, A Lesion Tolerant Operating System
J. Mira, A.E. Delgado, E.L. Zapata, D. Cabello
3rd International IFAC/IFIP Symposium on Software for Computer Control, Madrid (Spain), Ocotber 1982

On the Use of Hybrid Architecture for Biosignal Processing
J. Mira, F. Rios, E.L. Zapata, A.E. Delgado, D. Cabello
World Congress on Medical Physics and Biomedical Engineering, Hamburg (Germany), September 1982

1981

On the Lesion Problem for Cooperative Processes
J. Mira, A.E. Delgado, E.L. Zapata, D. Cabello
Implementing Functions: Microprocessors and Firmware
(North-Holland, L. Richter, P. Le Beux, G. Chroust and G. Noguez, Eds., 1981, pp. 71-80)

Aids to the Analysis of Speech Fluency Disorders
J. Mira, A.E. Delgado, E.L. Zapata, F. Rios, R. Ruiz
5th International Congress of Cybernetics and Systems, Mexico City (Mexico), August 1981

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