Codes

Open-source tools for GPU computing and astrophysical simulations. Explore the projects below, or find more code on my GitHub page.

jz-fmm video from the Vienna cosmology group

JZ-FMM

GPU-native differentiable N-body simulations with the Fast Multipole Method

Oct 15, 2026 Codes

Plane-based tree hierarchy and its contiguous data layout

JZ-TREE

Neighbour search, friends of firends and other dual tree walks on GPU

Oct 15, 2026 Codes