Accelerated Computing research group
Floris-Jan Willemsen

Floris-Jan Willemsen

Floris-Jan is a Postdoc at Leiden University. Floris-Jan recently graduated from the Accelerated Computing research group after completing his PhD. He carried out his PhD research at the Netherlands eScience Center and Leiden University. His research focusses on intelligent, automated optimization of GPU software.

Floris-Jan Willemsen receives PhD degree

April 14, 2026 - Floris-Jan Willemsen successfully defended his PhD thesis titled “Tuning the Tuner: The art of automatic performance optimization” at the A...

Tuning the Tuner: Introducing Hyperparameter Optimization for Auto-Tuning

September 18, 2025 — Today at the IEEE eScience 2025 conference, I had the opportunity to present my latest work with Rob van Nieuwpoort and Ben van Werkhov...

Best Paper Award at ICPP'25: Efficient Construction of Large Search Spaces for Auto-Tuning

September 8, 2025 — I am very excited to share that our paper “Efficient Construction of Large Search Spaces for Auto-Tuning” received the Best Paper Award ...

Floris-Jan wins CompSys Best Presentation 2025

May 22, 2025 – Today at the Dutch national CompSys conference, I gave a presentation about our new paper “Tuning the Tuner: Introducing Hyperparameter Optimi...

A methodology for comparing optimization algorithms for auto-tuning

May 30, 2024 — As a result from the collaborations between different auto-tuning research groups that was kickstarted at the Lorentz Center Workshop in March...

ICT.Open2023 Workshop on Energy-Aware HPC

April 19, 2023, Utrecht, the Netherlands – At the Jaarbeurs in Utrecht, the annual ICT.Open conference hosted a workshop invited participants to delve into t...

Bayesian Optimization for auto-tuning GPU kernels

Supercomputing 2021 — I traveled to St. Louis to present my paper on the use of Bayesian Optimization for auto-tuning GPU kernels. This paper was accepted in...