Joel Falcou
Training Advisor at Université Paris Sud
Orsay, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolJoel Falcou is a C++ expert and researcher with 16+ years building high-performance and parallel software tools, combining academic leadership as an associate professor with practical impact as founder of NumScale. His work focuses on generative and meta-programming for portable, durable SIMD and massively-parallel code—spanning real-time embedded vision to HPC on multi-core clusters. He has a strong open-source footprint, notably contributing SIMD-focused E.V.E and package maintenance for the widely used Spack ecosystem. A long-standing member of the ISO C++ committee and former Boost co-maintainer, he brings deep standards and library design experience to training and tool development. Joel’s research blends formal reasoning about meta-programs with pragmatic DSLs for parallelism, a mix that reduces runtime overhead while proving compile-time correctness. Based in Orsay, France, he pairs rigorous academic credentials (PhD, HDR) with hands-on optimizations that have improved both correctness and performance in SIMD math and testing infrastructure.
16 years of coding experience
4 years of employment as a software developer
PhD, Electronics and Computer Science, PhD, Electronics and Computer Science at Université Blaise Pascal (Clermont-II) - Clermont-FerrandEngineering Degree, Computer Science, Network and Software Engineering, Engineering Degree, Computer Science, Network and Software Engineering at ISIMATheoretical and Mathematical Physics, Theoretical and Mathematical Physics at Lycée Pierre de Fermat
Stackoverflow
6,267reputation
819kreached
120answers
1question
boost
top-5%
Github Skills (20)
algorithm10
algorithms10
c-language10
package-management10
packaging10
cmake10
implement10
performance-optimization10
package10
build-tools10
cprogramming-language10
testing9
operator9
boost9
scientific-computing8
Programming languages (11)
Github contributions (5)
jfalcou/eve
Apr 2018 - Jan 2023
Expressive Vector Engine - SIMD in C++ Goes Brrrr
Role in this project:
Backend Developer
Backend DeveloperContributions:4 releases, 1715 reviews, 820 commits in 4 years 10 months
Contributions summary:Joel contributed to the E.V.E project by implementing fixes and improvements related to SIMD code generation. The commits focused on enhancing the performance and correctness of mathematical functions within the library, and included updates to address compiler warnings. They also performed optimizations around both the basic operations and algorithms, and made substantial changes to the project's testing infrastructure.
avxsimdsimd-programmingsimd-libraryc-plus-plus
spack/spack
Dec 2021 - Sep 2022
A flexible package manager that supports multiple versions, configurations, platforms, and compilers.
Role in this project:Back-end Developer
Back-end DeveloperContributions:4 commits, 5 PRs in 8 months
Contributions summary:Joel primarily contributes to the `spack/spack` repository by adding and updating package definitions for the Expressive Velocity Engine (EVE) and the KUMI tuple library, which are both C++ libraries. This involved creating initial package definitions, updating to newer versions, and modifying the branch used for the EVE package. The changes focused on updating the package metadata to reflect changes in the upstream library, updating URLs and versioning information, and adapting to changes in the source code repositories.
compilerspythonradiussplatformslinux
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