Razvan Lupusoru
Senior Compiler Engineer at NVIDIA
Hillsboro, Oregon, United States
Summary
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Rockstar🎓
Top SchoolRazvan Lupusoru is a software engineer with 15 years of experience specializing in virtual machines and compilers, based in Portland, Oregon. He contributes to high-profile open-source work in the LLVM project, notably improving the Flang Fortran frontend with OpenACC support, refactoring lowering of optional arguments, and enhancing FIR type handling. Razvan combines deep backend systems expertise with practical data-flow and loop/compute consistency fixes that make compiler toolchains more reliable and performant. He brings a pragmatic mindset to complex language and runtime problems, often uncovering subtle correctness issues that improve upstream interoperability.
14 years of coding experience
8 years of employment as a software developer
Summa cum Laude BS Computer Science and Engineering with Honors in Engineering, Hardware/Software Systems, 3.98, Summa cum Laude BS Computer Science and Engineering with Honors in Engineering, Hardware/Software Systems, 3.98 at The Ohio State University
Stackoverflow
261reputation
10kreached
1answer
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Github Skills (13)
fortran10
openacc10
compiler-development10
llvm9
mlr9
data-structure7
data-structures7
algorithm7
algorithms7
datastructures-algorithms7
kernel-module6
linux-kernel6
acpi6
Programming languages (1)
Github contributions (5)
llvm/llvm-project
Apr 2023 - Mar 2025
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:170 reviews, 73 PRs, 50 pushes in 1 year 11 months
Contributions summary:Razvan primarily contributed to the Flang compiler frontend within the LLVM project, focusing on OpenACC and Fortran-related improvements. Their work included refactoring code, enhancing the lowering of Fortran optional arguments, and improving data handling within OpenACC constructs. They also implemented type categorization for FIR types. Additionally, they addressed consistency issues between OpenACC loop and compute operations.
compilerstechnologiesclangsubmittoolchain
razvanlupusoru/Lost-Marbles
Sep 2011 - Jan 2012
Contributions:52 commits in 4 months
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