Geoff Paulsen
Senior MPI Software Developer at IBM
Frisco, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolGeoff Paulsen is a Senior MPI Software Developer with 11 years of experience leading high-performance computing efforts at IBM from his base in Frisco, Texas. He leads the MPI project team and contributes deep back-end expertise to Open MPI, where his work includes fixing core MPI_Ireduce/MPI_IN_PLACE bugs, removing deprecated MPI1 APIs, and stabilizing builds—contributions to one of the principal open-source MPI implementations. Geoff combines hands-on debugging and API evolution with team leadership, routinely reverting and refining changes to keep production-grade MPI reliable. A Texas A&M computer science graduate, he brings a pragmatic focus on maintainability and compatibility in complex distributed systems.
11 years of coding experience
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Texas A&M University
Github Skills (8)
c1710
mpi10
hpc10
openmpi10
c1110
api-design9
build-system8
fortran7
Programming languages (13)
Github contributions (5)
open-mpi/ompi
Apr 2016 - Jan 2023
Open MPI main development repository
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 330 reviews, 603 commits in 6 years 9 months
Contributions summary:Geoff primarily focused on maintaining and improving the Open MPI library, specifically concerning the Message Passing Interface (MPI). Their contributions include fixing bugs related to MPI_Ireduce and MPI_IN_PLACE, addressing copyright messages in memory patcher components, and fixing build warnings. Furthermore, the user updated the codebase by revamping the MPI-1 removed function warnings and deleting deprecated MPI1 functions and datatypes, which involved significant changes to the API. Finally, the user made several reverts to fix issues with the codebase.
openmpichpcmpifortran
gpaulsen/ompi
Aug 2017 - Apr 2023
Open MPI main development repository
Contributions:2 PRs, 132 pushes, 245 branches in 5 years 8 months
mpiandroid-ndk
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