Hari Subramoni
Assistant Professor at The Ohio State University
Columbus, Ohio, United States
Summary
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Rockstar🎓
Top SchoolHari Subramoni is an Assistant Professor and researcher in High-Performance Computing with eight years of professional experience designing, developing, and deploying MPI runtimes and network-aware software for production supercomputing centers. He led development of the MVAPICH2 family—widely adopted MPI implementations that have powered Top500 systems and driven over a million downloads—bringing innovations in PMI2/SLURM integration, virtualization (SR-IOV, IVSHMEM), and GPU-aware RDMA. His expertise spans parallel computer architecture, InfiniBand/Omni-Path networking, topology-aware computing, and performance-oriented storage and programming models for exascale systems. Based in Columbus, Ohio, he combines deep systems-building know-how from industry router and networking work with academic research, making him adept at turning low-level networking features into scalable HPC software. An interesting non-obvious note: his work on MVAPICH2-Virt achieved near-native performance for SR-IOV-based virtualized HPC environments, demonstrating practical virtualization gains for latency-sensitive workloads.
8 years of coding experience
17 years of employment as a software developer
Doctor of Philosophy (PhD), Computer Science, Doctor of Philosophy (PhD), Computer Science at The Ohio State UniversityB.Tech, Computer Science, B.Tech, Computer Science at University of Kerala
Github Skills (26)
python10
windows10
linux10
configurations10
package-manager10
multiple-versions9
hpc9
fortran9
mpi9
scientific-computing9
macos9
build-tools9
cuda8
monte-carlo8
ab-initio8
Programming languages (3)
Github contributions (5)
harisubramoni/spack
Oct 2019 - Nov 2019
A flexible package manager that supports multiple versions, configurations, platforms, and compilers.
Contributions:8 pushes in 27 days
compilersmacrosazerothcoredubplatforms
harisubramoni/miniAMR
Sep 2021 - Sep 2021
MiniAMR Adaptive Mesh Refinement (AMR) Mini-App
Contributions:1 push in 1 day
amrmeshrefinementadaptiveadaptive-mesh-refinement
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