CV
| 4020 National Center for Supercomputing Applications |
| University of Illinois Urbana-Champaign, |
| Urbana, IL 61801. |
Education
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Ph.D. in Computer Science, October 2015.
Federal University of Rio Grande do Sul (UFRGS), Brazil and Berlin University of Technology (TU Berlin), Germany.
Summa cum laude.
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Diploma (equivalent to M.Sc.) in Computer Engineering, November 2010.
Berlin University of Technology (TU Berlin), Germany.
Work Experience
- Research Scientist in Computer Science, August 2021 – present.
University of Illinois Urbana-Champaign.
- Research in scientific and research computing for the development and implementation of software, tools and computational algorithms on current and forthcoming HPC platforms.
- Determinism and reproducibility: Developed data structures and algorithms for the deterministic and reproducible execution of distributed applications.
- Performance: Developed methods to profile, track, and improve the compile time and runtime performance of distributed applications.
- Memory: Developed methods to detect, track, and fix memory leaks in distributed applications.
- Postdoctoral researcher in Computer Science, January 2017 – July 2021.
University of Illinois Urbana-Champaign.
- Memory affinity improvements in parallel systems: Developed automatic mapping mechanisms to detect and optimize the memory access behavior of parallel applications, drastically improving performance and energy efficiency.
- Heterogeneous computing: Designed a model for heterogeneous CPU+GPU computing with an adaptive load balancing scheme to distribute work.
- Postdoctoral researcher in Computer Science, November 2015 – December 2016.
Federal University of Rio Grande do Sul (UFRGS), Brazil.
- Performance portability of parallel applications in the cloud: Developed scheduling improvements for large parallel applications running in public clouds, taking into account network and processing speeds as well as interference from other cloud tenants. Substantial improvements of execution time and performance portability in a variety of cloud computing environments.
- Memory tracing: Created efficient memory tracing mechanisms that are faster than the current state-of-the-art and can trace physical memory addresses extracted from the host system in order to differentiate concurrently running applications.
Awards
- Best paper award — International Symposium on Benchmarking, Measuring and Optimizing, 2020.
- Best paper award — International Conference on Parallel, Distributed, and Network-Based Processing (PDP), 2015.
- Distinction (summa cum laude) — Ph.D. dissertation, 2015.
Languages
- Native German speaker.
- Fluent in English and Portuguese.
- Working knowledge in Spanish and French.
Skills
- Key skills
- Strong technical background in parallel architectures, including low level hardware.
- Extensive experience in C/C++, including parallel programming.
- 4+ years experience in optimizing parallel application performance.
- Programming languages
- Python, C, C++, Java, OpenMP, MPI, Shell (Bash).
- Operating systems
- Linux (kernel programming in the scheduling and virtual memory subsystems), Solaris.
- Tools
- Simulation: Intel Pin, Simics, Gem5, CACTI, McPAT.
- Performance analysis: perf, Intel vTune, gprof, Intel PCM.
- Benchmarks: NAS-NPB, PARSEC, Rodinia, SPEC OMP2001/2012, SPEC CPU2006.
- Applications: BRAMS (weather simulation), Ondes3D (seismic wave propagation), PlasCom/2, MIRGE-Com.
Grants
- “Efficient Smart Memories for Data Intensive Computing.” (researcher, 3.6% of proposals accepted, Brazil), 2017.
- “High Performance Computing for Energy (HPC4E).” (researcher, joint project of the European Union and Brazil), 2015.
- Intel Modern Code, technical lead, 2016.
- HP Enterprise (HPC-ELO project), technical lead, 2016.
Reviewer
A verified record of reviews is available at https://publons.com/author/1341957/.
Journals
- ACM Computing Surveys (CSUR).
- ACM Journal on Emerging Technologies in Computing Systems (JETC).
- ACM Transactions on Architecture and Code Optimization (TACO).
- ACM Transactions on Emerging Topics in Computing (TETCSI).
- ACM Transactions on Modeling and Performance Evaluation of Computing Systems (ToMPECS).
- ACM Transactions on Parallel Computing (TOPC).
- Concurrency and Computation: Practice and Experience.
- Elsevier Computers & Electrical Engineering.
- Elsevier Future Generation Computer Systems (FGCS).
- Elsevier Journal of Parallel and Distributed Processing (JPDC).
- Elsevier Journal of Systems Architecture (JSA).
- Elsevier Microelectronic Engineering.
- Elsevier Microprocessors and Microsystems.
- Elsevier Parallel Computing (Parco).
- IEEE Access.
- IEEE Transactions on Parallel and Distributed Systems (TPDS).
- International Journal of Computational Science and Engineering.
- Springer Computing.
Conferences & Workshops
- IEEE International Parallel & Distributed Processing Symposium (IPDPS).
- International Conference on Computational Science (ICCS).
- International European Conference on Parallel and Distributed Computing (Euro-Par).
- International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD).
- International Symposium on Parallel and Distributed Processing with Application (ISPA).
- International Conference on Performance Evaluation Methodologies and Tools (ValueTools).
- International Workshop on OpenMP (IWOMP).
- International Heterogeneity in Computing Workshop (HCW).
Program Committee Membership
- Heterogeneity in Computing Workshop (HCW, co-located with IPDPS) 2017, 2018, 2019, 2020, 2021, 2022, 2023.
- Open Workshop on Data Locality (COLOC, co-located with Euro-Par) 2017, 2018, 2019, 2021.
- Tutorials Program Committee for Supercomputing 2018, 2019.
- International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD) 2019, 2024.
- IEEE Cluster 2020, 2024.
Advised Students
- Douglas Pereira Pasqualin, “Thread and Data Mapping in STM architectures.” (Ph.D. thesis, co-advised with André Rauber Du Bois), 2021.
- João Paulo Tarasconi Ruschel, “Parallel Implementations of the Cholesky Decomposition on CPUs and GPUs.” (Undergraduate thesis, co-advised with Philippe O. A. Navaux), 2016.
Participation in examination committees
- Simone Dominico (PhD thesis, 2022).
- Douglas Pereira Pasqualin (PhD thesis, 2021).
- Charles Cardoso de Oliveira (Master’s thesis, 2019).
- Tiago Rodrigo Kepe (PhD thesis, 2017).
- João Paulo Tarasconi Ruschel (Undergraduate thesis, 2016).
- Guilherme Grunewald de Magalhães (Undergraduate thesis, 2016).
Invited Talks
- “Thread and Data Mapping in Shared Memory Architectures.” University of Darmstadt (Germany), February 2016.
- “Thread and Data Mapping in NUMA Architectures: An operating system perspective.” Inria, Grenoble (France), December 2013.
Publications
More than 60 peer-reviewed publications with over 1200 citations (h-index: 20). A list of publications and citations is available on: