François Trahay

Full professor

Parallel and Distributed Systems group

Research interests

• High Performance Systems
• Performance analysis
• Runtime systems for HPC
• Communication software for High Speed Networks
• Multithreading over hierarchical, multicore machines

Selected publications

The complete list of my publications is available here.

• PYTHIA: an oracle to guide runtime system decisions. Alexis Colin, François Trahay, Denis Conan. In IEEE Cluster 2022. [bib] [pdf]
• Using differential execution analysis to identify thread interference. Mohamed Saïd Mosli Bouksi, François Trahay, et al. In IEEE TPDS. [bib] [pdf]
• NumaMMA: Numa MeMory Analyzer. François Trahay, Manuel Selva, Lionel Morel, Kevin Marquet. In ICPP 2018. [bib] [pdf]
• Selecting points of interest in traces using patterns of events. François Trahay, Elisabeth Brunet, Mohamed Mosli Bouksiaa, Jianwei Liao. In PDP 2015. [bib] [pdf] [slides]
• EZTrace: a generic framework for performance analysis. François Trahay, François Rue, Mathieu Faverge, Yutaka Ishikawa, Raymond Namyst and Jack Dongarra. In CCGrid 2011. [bib] [pdf]
• A scalable and generic task scheduling system for communication libraries. François Trahay and Alexandre Denis. In Cluster 2009. [bib] [pdf]
• Improving reactivity and communication overlap in MPI using a generic I/O manager François Trahay, Alexandre Denis, Olivier Aumage, Raymond Namyst. In EuroPVM/MPI 2007. [bib] [pdf]

Current PhD students

• Alexis Colin, co-advised with Denis Conan (since may 2019). Topic: performance analysis-directed feedback to runtime systems
• Anton Daumen, co-advised with Gaël Thomas, and Patrick Carribault (since october 2018). Topic: performance analysis for HPC applications.

Former PhD students

• Mohamed Said Mosli Bouksiaa, co-advised with Gaël Thomas (2014-2018). Topic: Semi-automatic performance analysis. [pdf]

Teaching

• Head of the Voie d'APprofondissement ASR at Télécom SudParis
• Head of the Master on High Performance Data Analytics at Institut Polytechnique de Paris