3 papers
cs.DC2026
JZ-Tree: GPU friendly neighbour search and friends-of-friends with dual tree walks in JAX plus CUDA
Jens Stücker, Oliver Hahn, Lukas Winkler +2
Algorithms based on spatial tree traversal are widely regarded as among the most efficient and flexible approaches for many problems in CPU-based high-performance computing (HPC).…
astro-ph.CO2025
DISCO-DJ II: a differentiable particle-mesh code for cosmology
Florian List, Oliver Hahn, Thomas Flöss +1
The mildly non-linear regime of cosmic structure formation holds much of the information that upcoming large-scale structure surveys aim to exploit, making fast and accurate predic…
astro-ph.CO2025
cosmICweb: Cosmological Initial Conditions for Zoom-in Simulations in the Cloud
Michael Buehlmann, Lukas Winkler, Oliver Hahn +2
We present the online service cosmICweb (COSMological Initial Conditions on the WEB) - the first database and web interface to store, analyze, and disseminate initial conditions fo…