My background is performance analysis in the context of High Performance Computing (clusters of computers) where the execution time of parallel applications is the most important metric to be minimized. I have been involved also in some investigation regarding multi-objective criteria: execution time and energy consumption. I have a strong background in observation techniques, data manipulation (Data Wrangling), and data visualization with hand-tailored plots. I employ these techniques mostly in the context of parallel computer systems, although recently I started playing with different datasets from social sciences, public transportation, weather. I list below my main topics of interest.

# Topics of interest

• HPC Applications and Performance Analysis
  • Multi-node multi-core multi-GPU HPC parallel applications
  • Heterogeneous platforms for parallel applicatons
  • Task-based applications (with runtime support)
  • Load balancing
• Data Science and Visualization
  • Data visualization & manipulation
  • Analysis Workflows, scalability
• Computer Systems Simulation (with SimGrid)
  • Observation techniques for performance analysis (SMPI)
  • Simulation analysis, invalidation methodologies
  • Runtime and memory scalability of SimGrid tracing

# Research Projects

• Exa-SofT: HPC software and tools
  The PEPR NumPEx: a French program dedicated to Exascale
  starting at 2023, funded by a PEPR France
• Record and Analysis of Execution Traces of Parallel Applications in Exascale
  2023 – 2025, as PI
• Performance Optimization of Data Inversion Codes
  2019 – 2024, funded by Petrobras as PI

# Past Projects

• Analysis Techniques and Workflow Methodologies for Reproducible Data Science. 2019 – 2023, funded by FAPERGS (Edital Internacionalização) as PI. Also funded by INRIA through an Equipe Associée.
• Execution and Performance Analysis of Multi-Core Multi-GPU parallel applications. pt-br: Execução e análise comportamental de aplicações paralelas multi-core e multi-GPU. 2017 – 2019, funded by FAPERGS (Edital PPP) as PI
• LICIA: International Laboratory in High Performance and Ubiquitous Computing. 2011 – 2019, a French-Brazilian LIA, CNRS, France
• Performance Analysis Scalability of Hybrid Parallel Systems. pt-br: Escalabilidade da Análise de Desempenho em Sistemas Híbridos Paralelos. 2015 – 2019, funded by CNPq (Universal 2014) as PI.
• EcoSud: Engineering Collaboration for Sustainable Cities. 2015 – 2018, CAPES/Brafitec (Brazil/France) as PI.
• Green-Cloud – Cloud and Sustainable Computing. pt-br: Green-Cloud: Computação em Cloud com Computação Sustentável. 2017 – 2020, funded by FAPERGS (Edital Pronex).
• CEI-BigData – Fostering Business in BigData. pt-br: CEI-BigData – Fomentando Negócios em Captura e Proc. de Grandes Volumes de Dados. 2017 – 2018, funded by Governo do RS (Edital SDECT)
• HPC4E: HPC for Energy. 2016 – 2017, Horizon 2020/RNP/CNPq (Brazil/Europe).
• EnergySFE - Energy-aware Scheduling and Fault Tolerance Techs. for the Exascale Era. 2016 – 2017, CAPES STIC-Amsud (Brazil/France)
• ExaSE: Exascale Computing Scheduling and Energy. 2014 – 2017, FAPERGS/FAPEMIG/INRIA (Brazil/France)

# Publications

• Brazilian Lattes CV
• DBLP: Computer Science
• Google Scholar

# Services

Here’s a snapshot of some services provided to the community.

The full list is available in my Lattes CV.

## Conferences and Workshops

### 2025

• PC VEM (first time, thanks for the invitation!)
• PC SSCAD
  • PC of the main track
  • PC SSCAD-WIC (Scientific Initiation Workshop)
• PC SBAC-PAD (participated in three out of five tracks)
  • Performance Evaluation Track
  • Computer Architecture Track
  • Distributed Systems, Networking and Storage Track
• PC PERMAVOST
• PC Compas (Parallélisme)
• PC Euro-PAR (Programming, Compilers and Performance Track)

### 2024

• PC SSCAD (former WSCAD)
  • PC of the main track
  • PC SSCAD-WIC (Scientific Initiation Workshop)
  • PC SSCAD-CTD (Thesis and Dissertation Competition)
• PC ProTools Workshop (as part of SC'24)
• PC Bench
• PC SBAC-PAD (Distributed Systems, Networking, and Storage Track Chair)
• PC ERAD/SP
• PC Compas
• PC Euro-PAR (Programming, Compilers and Performance Track)

### 2023

• IEEE Cluster 2023 (as subreviewer)
• PC SBAC-PAD 2023 (Perf. Eval. and Syst. Soft. tracks)
• PC Bench'23
• XLII Congresso Nacional de Matemática Aplicada e Computacional 2023 (revisor)
• PC WSCAD 2023
• PC ERAD/SP 2023

### Archive

• PC CARLA 2022
• Euro-Par 2022 (as subreviewer)
• PC PERMAVOST 2021, 2022 (Perf. Eng., Modeling, Analysis and Visualization Strategy)
• PC SBAC-PAD 2021
• PC CARLA 2021
• PC Euro-Par 2021 (T03: Scheduling and Load Balancing)
• PC PEARC 2021
• PC CSBC CTD 2021
• PC WPerformance 2019, 2021
• PC Co-Chair SBAC-PAD 2018
• PC Bench'18
• PC VISSOFT (NIER/Tools Track) 2018
• PC SBAC-PAD 2014
• PC WSCAD 2017, 2018
• PC WPerformance 2018
• PC HPML 2018
• PC CARLA 2017, 2018
• PC Workshop Software Livre 2017, 2018
• PC ERAD-RS 2008, 2009, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
• PC ERAD-SP 2020, 2021, 2022

## Journals

• Advanced Theory and Simulations Journal (Wiley) 2024
• Journal of Parallel and Distributed Computing (Elsevier) 2021, 2023
• Journal of Systems Architecture (Elsevier) 2023
• Concurrency and Computation: Practice and Experience 2021, 2023
• Journal Ecological Informatics (Elsevier) 2022
• Journal Parallel Computing (Elsevier) 2018, 2022, 2023
• Journal of Open Research Software 2022
• PEERJ 2021
• Annals of the Brazilian Academy of Sciences 2020
• Journal of Computational Science (Elsevier)
• Journal of the Brazilian Computer Society (SBC)
• RITA (Revista de Informática Teórica e Aplicada)
• ReABTIC (Revista Eletrônica Argentina-Brasil Tecnologias da Informação e da Comunicação)

## Organizing Committee

• CARLA 2023, 2024 (as Poster Chair)

• TECNOx 4.0 (2019)

• ERAD/RS 2018 (as General Chair)

• ERAD/RS 2015 (as General Co-Chair)

• CCGRID 2008 (as Registration Chair)

• SBAC-PAD 2004, 2007

• WSPPD 2006, 2007