Hans Pabst

Zurich, Zurich, Switzerland

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Summary

🤩

Rockstar

Hans Pabst is an application and research engineer with 12 years’ experience enabling open-source scientific applications to exploit cutting-edge HPC infrastructure and upcoming hardware in Intel’s Extreme Computing Software and Systems Group. He blends applied mathematics, algorithm design, and computational science with practical engineering from a background at Intel Labs where he worked on compiler-based AI stacks, low-level ML primitives, and hardware–software co-design. Hans contributes to prominent open-source projects—most notably improving build and packaging for libxsmm in Spack and stabilizing PlaidML’s LLVM/LIBXSMM build and CI—showing a strength in build systems, CI/CD and performance-focused integration. Based in Zurich, he pairs deep research thinking with hands-on DevOps and build engineering to make high-performance kernels and toolchains reliably deployable across diverse HPC environments. An uncommonly practical researcher, he often surfaces small but critical build and configuration changes that unlock significant performance and portability gains.

12 years of coding experience

Github Skills (18)

package-management10

build-system10

cmake10

makefile10

cicd10

build-automation10

llvm9

c-language9

cprogramming-language9

scientific-computing8

python8

fortran8

package-manager-tool7

boost7

build-tools7

Programming languages (13)

JavaC++CTwigGoMLIRFortranDockerfile

Github contributions (5)

plaidml/plaidml

Aug 2022 - Dec 2022

PlaidML is a framework for making deep learning work everywhere.

Role in this project:

DevOps Engineer & Automation Engineer

Contributions:1 review, 80 commits, 4 PRs in 3 months

Contributions summary:Hans primarily focused on configuring the build process and dependencies for the project. Their contributions involved updating the LLVM and LIBXSMM dependencies, which impacted the build environment. They introduced environment variables for managing LIBXSMM and made modifications to the CMake build files. Additionally, they worked on the CI/CD pipeline, specifically in the `ci/plan.py` and `ci/openvino.py` configurations, demonstrating responsibility for the build system and CI/CD integrations.

pytorchtvmdeep-learningmachine-learningcompiler

spack/spack

Mar 2017 - Dec 2021

A flexible package manager that supports multiple versions, configurations, platforms, and compilers.

Role in this project:

Back-end Developer & Build Engineer

Contributions:1 review, 18 commits, 17 PRs in 4 years 9 months

Contributions summary:Hans primarily contributed to the `libxsmm` package within the `spack/spack` repository by adding, updating, and managing different versions of the library. They modified the package's build process, including compiler settings and variant configurations, and made changes to file installation and documentation. The user also refactored the package to use `MakefilePackage` and adjusted for file set changes in newer library versions.

compilerspythonradiussplatformslinux

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