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.
10 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 (9)
c1710
mpi10
debug10
hpc10
openmpi10
c1110
api-design9
build-system8
fortran7
Programming languages (15)
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.
mpicluster-computingfortranopenmpipetsc
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