Who am I?

• PostDoc, High-Performance Computing, Universität des Saarlandes

• Previously PostDoc & RSE at JGU Mainz & University of Augsburg (2024–2026)

• Member of the JuliaLab in CSAIL

• PhD in Computer Science, Massachussetts Institute of Technology

• BSc in Cognitive Science, University of Osnabruek

• Contributor to Julia and LLVM

• Co-maintainer of the JuliaGPU & JuliaParallel stack

• Github: https://github.com/vchuravy

Projects

• Cthulhu.jl

• KernelAbstractions.jl

• JuliaLang/JuliaGPU/JuliaParallel/JuliaPerf

• and others...

Talks & Workshops

Slides and notebooks for recent talks are at /talks/. Further recent talks:

• Well-Posed but Ill-Conditioned: Picking an AD Abstraction Level – 29th EuroAD Workshop, Cambridge 2026

• Debugging Julia on a low level: rr, segfaults etc. – Julia User Group Mainz 2026

• Automated memory management with Garbage Collection in Julia – Julia User Group Mainz 2025

• Julia/RSE hands-on – SPP 2256 Workshop on Software Development, Augsburg 2025

• Performance portability and high-performance computing with Julia – deRSE25 workshop

• Productivity meets performance: Julia for HPC – Julia in Physics 2024, Tokyo (keynote)

• Introduction to HPC with Julia – CCS Colloquium, University of Tsukuba 2024

• Going fast nowhere – CAAPS Connect: Julia, Augsburg 2024

• Overview of the Julia AD ecosystem – Julia User Group Mainz 2024

• Julia and the MPI ABI – panel, EuroMPI/Australia 2024 (online)

Older:

• Enzyme.jl – JuliaCon 2021

• JuliaGPU workshop – JuliaCon 2021

• KernelAbstractions.jl – JuliaCon 2020

• Mathematical diseases in climate models and how to cure them – 36C3

• SIPB 50: The Julia Language

• From SIMD to SIMT – 18.337 2020

• Julia performance – Buenos Aires 2019

• Cthulhu.jl – JuliaCon 2019

• ConcolicFuzzer.jl – JuliaCon 2019

• Efficient Scientific Computing with Julia @ OIST

• An introduction to Julia for Research Software Engineers – RSE 2018

• Workshop: GPUProgramming with Julia – JuliaCon 2017

Teaching

• Research Software Engineering with Julia – JGU Mainz, Summer 2025 & Summer 2026

Publications (selection)

• Byrne, Wilcox and Churavy, MPI. jl: Julia bindings for the Message Passing Interface, JuliaCon Proceedings 2020

• Moses and Churavy, Instead of Rewriting Foreign Code for Machine Learning, Automatically Synthesize Fast Gradients, NeuroIPS 2020.

• ,Besard, Churavy, Edelman, and De Sutter Rapid software prototyping for heterogeneous and distributed platforms,

• , Revels, Besard, Churavy, De Sutter, and Vielma Dynamic automatic differentiation of GPU broadcast kernels

Full list: Publications (also on Google Scholar)

Recent notes