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Scientific Data Management Research

Jean Luca Bez

jean luca bez
Jean Luca Bez
Postdoctoral Scholar
Scientific Data Division
Berkeley Lab

Jean Luca is a Postdoctoral Scholar in Scientific Data Management Group at Lawrence Berkeley National Laboratory (LBNL), USA. He is passionate about High-Performance I/O, Parallel I/O, Education, and Competitive Programming. His research focuses on optimizing the I/O performance of scientific applications at the middleware level by exploring I/O Forwarding, I/O Scheduling, and Automatic Tuning and Reconfiguration using Machine Learning techniques.

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Conference Papers

Jean Luca Bez, Hammad Ather, Suren Byna, "Drishti: Guiding End-Users in the I/O Optimization Journey", PDSW 2022, held in conjunction with SC22, 2022,

Jean Luca Bez, Ahmad Maroof Karimi, Arnab K. Paul, Bing Xie, Suren Byna, Philip Carns, Sarp Oral, Feiyi Wang, Jesse Hanley, "Access Patterns and Performance Behaviors of Multi-layer Supercomputer I/O Subsystems under Production Load", 31st International ACM Symposium on High-Performance Parallel and Distributed Computing (HPDC '22), Association for Computing Machinery, June 27, 2022, 43–55, doi: 10.1145/3502181.3531461

André Ramos Carneiro, Jean Luca Bez, Carla Osthoff, Lucas Mello Schnorr, Phillipe Olivier Alexandre Navaux, "HPC Data Storage at a Glance: The Santos Dumont Experience", IEEE 33rd International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD), IEEE, November 26, 2021, 157-166, doi: 10.1109/SBAC-PAD53543.2021.00027

Jean Luca Bez, Houjun Tang, Bing Xie, David Williams-Young, Rob Latham, Rob Ross, Sarp Oral, Suren Byna, "I/O Bottleneck Detection and Tuning: Connecting the Dots using Interactive Log Analysis", 2021 IEEE/ACM Sixth International Parallel Data Systems Workshop (PDSW), January 1, 2021, 15-22, doi: 10.1109/PDSW54622.2021.00008

Tonglin Li, Suren Byna, Quincey Koziol, Houjun Tang, Jean Luca Bez, Qiao Kang, "h5bench: HDF5 I/O Kernel Suite for Exercising HPC I/O Patterns", Cray User Group (CUG) 2021, January 1, 2021,


Jean Luca Bez, Visualizing I/O bottlenecks with DXT Explorer 2.0, Analyzing Parallel I/O (BoF) is held in conjunction with SC22, 2022,

Jean Luca Bez, Suren Byna, Understanding I/O Behavior with Interactive Darshan Log Analysis, Exascale Computing Project (ECP) Community Days BoF, 2022,

Jean Luca Bez, Towards Understanding I/O Behavior with Interactive Exploration, Berkeley Lab’s Computing Sciences Area 2022 Postdoc Symposium, 2022,

Jean Luca Bez, Visualizing Darshan Extended Traces, Analyzing Parallel I/O (BoF) is held in conjunction with SC21, 2021,