Publications

This page holds a list of selected publications by category.

Articles in scientific journals

• “A caching mechanism to exploit object store speed in High Energy Physics analysis”. Vincenzo Eduardo Padulano, Enric Tejedor Saavedra, Pedro Alonso-Jordá, Javier López-Gómez, and Jakob Blomer. Cluster Computing (2022).
• “Detecting semantic violations of lock-free data structures through C++ contracts”. Javier López-Gómez, David del Rio Astorga, Manuel F. Dolz, Javier Fernández Muñoz, J. Daniel García. The Journal of Supercomputing volume 76 (2020).
• “Exploring stream parallel patterns in distributed MPI environments”. Javier López-Gómez, Javier Fernández Muñoz, David del Rio Astorga, Manuel F. Dolz, , J. Daniel García. Parallel Computing, Volume 84, Issue C, May 2019.

Academic conferences/workshops

• “ROOT’s RNTuple I/O Subsystem: The Path to Production”. Jakob Blomer, Philippe Canal, Florine de Geus, Jonas Hahnfeld, Axel Naumann, Javier Lopez-Gomez, Giovanna Lazzari Miotto, and Vincenzo Eduardo Padulano. In EPJ Web of Conf. Volume 295, 2024, 26th International Conference on Computing in High Energy and Nuclear Physics (CHEP 2023)
• “Integration of RNTuple in ATLAS Athena”. Florine de Geus, Javier Lopez-Gomez, Jakob Blomer, Marcin Nowak, and Peter van Gemmeren. In EPJ Web of Conf. Volume 295, 2024, 26th International Conference on Computing in High Energy and Nuclear Physics (CHEP 2023)
• “RNTuple: Towards First-Class Support for HPC data centers”. Giovanna Lazzari Miotto and Javier Lopez-Gomez. In 21th International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2022).
• “RNTuple performance: Status and Outlook”. Javier Lopez-Gomez and Jakob Blomer. In Proceedings of 20th International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2021).
• “Exploring Object Stores for High-Energy Physics Data Storage”. Javier Lopez-Gomez and Jakob Blomer. In 25th International Conference on Computing in High Energy and Nuclear Physics (CHEP 2021).
• “Relaxing the one definition rule in interpreted C++”. Javier López-Gómez, Javier Fernández, David del Rio Astorga, Vassil Vassilev, Axel Naumann, J. Daniel García. In Proceedings of the 29th International Conference on Compiler Construction (CC 2020).

Industrial conferences

• “Adding support for C++ contracts to Clang” at EuroLLVM ‘19

Other talks/lectures

• “Interpreted C++: Is that a thing?” at using std::cpp 2024, April 25th [slides] [recording]
• “RNTuple and RDataFrame Status and Roadmap” at CERN EP R&D Seminar Series, 2023-07-03 [slides]
• “Mapping ROOT RNTuple I/O data structures to DAOS objects” at CERN openlab Technical Workshop 2023
• “RNTuple - The Next Generation TTree” at ROOT workshop 2022. See here.
• “Mapping ROOT RNTuple I/O data structures to DAOS objects” at CERN openlab Technical Workshop 2022
• “Status and Roadmap of ROOT’s RNTuple and DAOS” at Intel DAOS User Group meeting 2021
• “Storing High-Energy Physics data in DAOS” at Intel DAOS User Group meeting 2020
• “Git - There be dragons” at [multiple locations]. See here

Open-Source Software Engineering

See @jalopez-git's contributions on GitHub.

• Author and maintainer of a number of open-source projects. See here for details.
• Notable contributions to other well-known open-source projects:
  • CERN’s ROOT project, and the cling C++ interpreter: many contributions; see here for details.
  • The moderncv LaTeX package: the contemporary style and moderncvverticaltimeline.sty.
  • dool (a dstat fork): bug fixes.
  • github-calendar.js: bug fixes.
  • zsign (a replacement for Apple’s codesign utility): implementation of ad-hoc signature and bug fixes.

Other merits

• Reviewer for the SoftwareX journal (IF=3.4)
• Google Summer of Code 2022 mentor for the HEP Software Foundation