Xi Luo
Middleware Development Engineer at Intel Corporation
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolXi Luo is a middleware development engineer with a decade of experience specializing in high-performance computing, MPI collective operations, and performance analysis. Based in the San Francisco Bay Area, he builds low-latency runtime systems and has a strong track record of optimizing collective communication across CPU, GPU, and FPGA platforms. His work spans industry and national labs—contributing FPGA offload modules for Realm at SLAC and developing autotuned, topology-aware collective frameworks in Open MPI during his PhD research, including award-winning results at scale. Xi combines systems-level C/C++ expertise with practical Python tooling for profiling and in-situ analytics, and he has reduced autotuning time and improved model accuracy to within 10% of real performance in simulator validations. Notably, he designed lock-free intra-node memory pools and novel cost models that materially improved MPI_Bcast and MPI_Allreduce performance on thousands of cores. He brings a research-driven approach to production middleware, translating academic innovations into deployable runtime components.
10 years of coding experience
8 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Sichuan UniversityMaster of Science - MS, Computer Science, Master of Science - MS, Computer Science at Stevens Institute of TechnologyDoctor of Philosophy - PhD, Computer Science, Doctor of Philosophy - PhD, Computer Science at University of Tennessee, Knoxville
Github Skills (18)
parallelization10
legion10
fortran10
mpi10
cluster-computing10
hpc10
openmpi10
manifold10
petsc10
co-simulation10
system-programming9
deep-learning8
machine-learning8
parallel8
pytorch8
Programming languages (3)
Github contributions (5)
dycz0fx/ompi
Apr 2016 - Sep 2023
Open MPI main development repository
Contributions:154 pushes, 25 branches in 7 years 6 months
mpi
dycz0fx/mpich
Sep 2022 - Aug 2024
Official MPICH Repository
Contributions:251 pushes, 14 branches in 1 year 11 months
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