Samuel Xavier de Souza

According to our database, Samuel Xavier de Souza authored at least 49 papers between 2002 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Evaluating the Effects of Reducing Voltage Margins for Energy-Efficient Operation of MPSoCs.

Diego V. Cirilo do Nascimento, Kyriakos Georgiou, Kerstin I. Eder, Samuel Xavier de Souza

IEEE Embed. Syst. Lett., March, 2024

Auto Tuning for OpenMP Dynamic Scheduling applied to FWI.

Felipe H. S. da Silva, João B. Fernandes, Idalmis M. Sardina, Tiago Barros, Samuel Xavier de Souza, Ítalo A. S. Assis

CoRR, 2024

PATSMA: Parameter Auto-tuning for Shared Memory Algorithms.

João B. Fernandes, Felipe H. S. da Silva, Samuel Xavier de Souza, Ítalo A. S. Assis

CoRR, 2024

Adaptive Asynchronous Work-Stealing for distributed load-balancing in heterogeneous systems.

João B. Fernandes, Ítalo A. S. de Assis, Idalmis M. S. Martins, Tiago Barros, Samuel Xavier de Souza

CoRR, 2024

2023

HybriD-GM: A Framework for Quantum Computing Simulation Targeted to Hybrid Parallel Architectures.

Anderson Braga de Avila, Hélida Salles Santos, Anderson Paiva Cruz, Samuel Xavier de Souza, Giancarlo Lucca, Bruno Moura, Adenauer C. Yamin, Renata Reiser

Entropy, March, 2023

Automatic Energy-Efficient Job Scheduling in HPC: A Novel SLURM Plugin Approach.

Anders Aaen Springborg, Michele Albano, Samuel Xavier de Souza

Proceedings of the SC '23 Workshops of The International Conference on High Performance Computing, 2023

2022

Speculative guardband: exploiting critical-delay variations across cached instructions.

Johannes W. Farias, Diego V. Cirilo do Nascimento, Tiago Barros, Samuel Xavier de Souza

Proceedings of the 30th IFIP/IEEE 30th International Conference on Very Large Scale Integration, 2022

2021

Low learning-cost offline strategies for EDP optimization of parallel applications.

Gustavo Berned, Fábio Diniz Rossi, Marcelo Caggiani Luizelli, Samuel Xavier de Souza, Antonio Carlos Schneider Beck, Arthur Francisco Lorenzon

J. Syst. Archit., 2021

Boosting memory access locality of the Spectral Element Method with Hilbert space-filling curves.

Roger R. F. Araújo, Lutz Gross, Samuel Xavier de Souza

Comput. Geosci., 2021

Metadata Interpretation Driven Development.

Júlio G. S. F. da Costa, Reinaldo A. Petta, Samuel Xavier de Souza

CoRR, 2021

A parallel software-defined ultra-low-power receiver for a satellite message forwarding system.

Raffael S. C. G. de Lima, Jose Marcelo Lima Duarte, Diego V. Cirilo do Nascimento, Reinaldo Agostinho de Souza Filho, Samuel Xavier de Souza

Proceedings of the XI Brazilian Symposium on Computing Systems Engineering, 2021

2020

An OpenMP translator for the GAP8 MPSoC.

Reinaldo Agostinho de Souza Filho, Diego V. Cirilo do Nascimento, Samuel Xavier de Souza

CoRR, 2020

Performance and Energy Trade-Offs for Parallel Applications on Heterogeneous Multi-Processing Systems.

Demetrios A. M. Coutinho, Daniele De Sensi, Arthur Francisco Lorenzon, Kyriakos Georgiou, José L. Núñez-Yáñez, Kerstin Eder, Samuel Xavier de Souza

CoRR, 2020

When Parallel Speedups Hit the Memory Wall.

Alex F. A. Furtunato, Kyriakos Georgiou, Kerstin Eder, Samuel Xavier de Souza

IEEE Access, 2020

Auto-Tuning of Dynamic Scheduling Applied to 3D Reverse Time Migration on Multicore Systems.

Ítalo A. S. Assis, João B. Fernandes, Tiago Barros, Samuel Xavier de Souza

IEEE Access, 2020

Scaling Optimizations for Large-Scale Distributed Data with Lightweight Coresets.

Daniel Nobre Pinheiro, Samuel Xavier de Souza, Daniel Aloise

Proceedings of the 2020 IEEE International Parallel and Distributed Processing Symposium Workshops, 2020

2019

Variance-Triggered Two-Step GPS Acquisition.

Fabricio Costa Silva, Glauberto Albuquerque, Luiz Felipe Q. Silveira, Carlos Valderrama, Samuel Xavier de Souza

Sensors, 2019

Auto-tuning of dynamic load balancing applied to 3D reverse time migration on multicore systems.

Ítalo A. S. Assis, João B. Fernandes, Tiago Barros, Samuel Xavier de Souza

CoRR, 2019

Distributed-Memory Load Balancing With Cyclic Token-Based Work-Stealing Applied to Reverse Time Migration.

Ítalo A. S. Assis, Antônio D. S. Oliveira, Tiago Barros, Idalmis M. Sardina, Calebe P. Bianchini, Samuel Xavier de Souza

IEEE Access, 2019

A QoS and Container-Based Approach for Energy Saving and Performance Profiling in Multi-Core Servers.

Wellington Silva de Souza, Arman Iranfar, Anderson B. N. da Silva, Marina Zapater, Samuel Xavier de Souza, Katzalin Olcoz, David Atienza

Proceedings of the 27th IFIP/IEEE International Conference on Very Large Scale Integration, 2019

Exploiting guard band limits for energy gains in MPSoCs.

Diego V. Cirilo do Nascimento, Kyriakos Georgiou, Kerstin I. Eder, Samuel Xavier de Souza

Proceedings of the 27th IFIP/IEEE International Conference on Very Large Scale Integration, 2019

A Machine Learning-Based Framework for Throughput Estimation of Time-Varying Applications in Multi-Core Servers.

Arman Iranfar, Wellington Silva de Souza, Marina Zapater, Katzalin Olcoz, Samuel Xavier de Souza, David Atienza

Proceedings of the 27th IFIP/IEEE International Conference on Very Large Scale Integration, 2019

Performance and Energy Efficiency Trade-Offs in Single-ISA Heterogeneous Multi-Processing for Parallel Applications.

Demetrios A. M. Coutinho, Kyriakos Georgiou, Kerstin I. Eder, José L. Núñez-Yáñez, Samuel Xavier de Souza

Proceedings of the 27th IFIP/IEEE International Conference on Very Large Scale Integration, 2019

An Accurate Tool for Modeling, Fingerprinting, Comparison, and Clustering of Parallel Applications Based on Performance Counters.

Vitor Ramos, Carlos Valderrama, Samuel Xavier de Souza, Pierre Manneback

Proceedings of the IEEE International Parallel and Distributed Processing Symposium Workshops, 2019

Energy-Optimal Configurations for Single-Node HPC Applications.

Vitor R. G. Silva, Alex F. A. Furtunato, Kyriakos Georgiou, Carlos Alberto Valderrama Sakuyama, Kerstin I. Eder, Samuel Xavier de Souza

Proceedings of the 17th International Conference on High Performance Computing & Simulation, 2019

GPU Support for Automatic Generation of Finite-Differences Stencil Kernels.

Vitor Hugo Mickus Rodrigues, Lucas Cavalcante, Maelso Bruno Pereira, Fabio Luporini, István Z. Reguly, Gerard Gorman, Samuel Xavier de Souza

Proceedings of the High Performance Computing - 6th Latin American Conference, 2019

2018

Parallel synchronous and asynchronous coupled simulated annealing.

Kayo Gonçalves-e-Silva, Daniel Aloise, Samuel Xavier de Souza

J. Supercomput., 2018

Exploring Multi-core Design Space: Heracles vs. Rocket Chip Generator.

Eduardo André Neves, Samuel Xavier de Souza

J. Comput., 2018

The IoT Energy Challenge: A Software Perspective.

Kyriakos Georgiou, Samuel Xavier de Souza, Kerstin Eder

IEEE Embed. Syst. Lett., 2018

Energy-Optimal Configurations for Single-Node HPC Applications.

Vitor R. G. Silva, Alex F. A. Furtunato, Kyriakos Georgiou, Kerstin Eder, Samuel Xavier de Souza

CoRR, 2018

A Scalable Shared-Memory Parallel Simplex for Large-Scale Linear Programming.

Demetrios Coutinho, Samuel Xavier de Souza, Daniel Aloise

CoRR, 2018

Spectrum sensing with a parallel algorithm for cyclostationary feature extraction.

Arthur D. L. Lima, Luiz Felipe Q. Silveira, Samuel Xavier de Souza

Comput. Electr. Eng., 2018

Memory-usage advantageous block recursive matrix inverse.

Iria C. S. Cosme, Isaac F. Fernandes, João L. de Carvalho, Samuel Xavier de Souza

Appl. Math. Comput., 2018

Application Speedup Characterization: Modeling Parallelization Overhead and Variations of Problem Size and Number of Cores.

Victor H. F. Oliveira, Alex F. A. Furtunato, Luiz Felipe Q. Silveira, Kyriakos Georgiou, Kerstin I. Eder, Samuel Xavier de Souza

Proceedings of the Companion of the 2018 ACM/SPEC International Conference on Performance Engineering, 2018

Less is More: Exploiting the Standard Compiler Optimization Levels for Better Performance and Energy Consumption.

Kyriakos Georgiou, Craig Blackmore, Samuel Xavier de Souza, Kerstin Eder

Proceedings of the 21st International Workshop on Software and Compilers for Embedded Systems, 2018

PaScal Viewer: A Tool for the Visualization of Parallel Scalability Trends.

Anderson B. N. da Silva, Daniel A. M. Cunha, Vitor R. G. Silva, Alex F. de A. Furtunato, Samuel Xavier de Souza

Proceedings of the Programming and Performance Visualization Tools, 2018

Scalable Shared-Memory Parallelization of the Block Recursive Inversion Algorithm.

Maria Clara Silva, Iria C. S. Cosme, Idalmis M. Sardina, Samuel Xavier de Souza

Proceedings of the IEEE International Conference on Cluster Computing, 2018

2017

The Benefits of Low Operating Voltage Devices to the Energy Efficiency of Parallel Systems.

Samuel Xavier de Souza, Eduardo André Neves, Alex F. A. Furtunato, Luiz Felipe Q. Silveira, Kyriakos Georgiou, Kerstin I. Eder

CoRR, 2017

2016

Time-effective GPS time domain signal Acquisition Algorithm.

Glauberto L. A. Albuquerque, Carlos Valderrama, Fabricio Costa Silva, Samuel Xavier de Souza

Proceedings of the International Conference on Localization and GNSS, 2016

2015

Optimal processor dynamic-energy reduction for parallel workloads on heterogeneous multi-core architectures.

Carlos Avelino de Barros, Luiz Felipe Q. Silveira, Carlos Valderrama, Samuel Xavier de Souza

Microprocess. Microsystems, 2015

Parallel Scalability of a Fine-Grain Prestack Reverse Time Migration Algorithm.

Desnes A. Nunes-do-Rosario, Samuel Xavier de Souza, Rosangela C. Maciel, Jesse C. Costa

IEEE Geosci. Remote. Sens. Lett., 2015

2014

On the parallel efficiency and scalability of the correntropy coefficient for image analysis.

Aluisio I. Rêgo Fontes, Samuel Xavier de Souza, Adrião D. Dória Neto, Luiz Felipe de Queiroz Silveira

J. Braz. Comput. Soc., 2014

Parallel Cyclostationarity-Exploiting Algorithm for Energy-Efficient Spectrum Sensing.

Arthur D. D. Lima, Carlos Avelino de Barros, Luiz Felipe Q. Silveira, Samuel Xavier de Souza, Carlos Valderrama

IEICE Trans. Commun., 2014

2012

Analysis of Multilayer Perceptron networks in the multicore era.

Samuel Xavier de Souza, Francisco Ary Alves de Souza, Adrião Duarte Dória Neto

Proceedings of the 2012 International Joint Conference on Neural Networks (IJCNN), 2012

2010

Coupled Simulated Annealing.

Samuel Xavier de Souza, Johan A. K. Suykens, Joos Vandewalle, Désiré Bollé

IEEE Trans. Syst. Man Cybern. Part B, 2010

2007

Optimisation and robustness of cellular neural networks.

Samuel Xavier de Souza

PhD thesis, 2007

2006

Learning of spatiotemporal behaviour in cellular neural networks.

Samuel Xavier de Souza, Johan A. K. Suykens, Joos Vandewalle

Int. J. Circuit Theory Appl., 2006

2004

Toward CNN chip-specific robustness.

Samuel Xavier de Souza, Müstak E. Yalçin, Johan A. K. Suykens, Joos Vandewalle

IEEE Trans. Circuits Syst. I Regul. Pap., 2004

2002

Matador: An Exploration Environment for System-Design.

Paul Marchal, Murali Jayapala, Samuel Xavier de Souza, Peng Yang, Francky Catthoor, Geert Deconinck

J. Circuits Syst. Comput., 2002