Vamsi Parasa
Cloud Software Development Engineer at Intel Corporation
Portland, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolVamsi Parasa is a Cloud Software Development Engineer in Portland, Oregon with roughly 9 years of professional experience and about 15 years of software R&D practice across language runtimes, JVM internals, and neuromorphic systems. At Intel he prototypes and upstreams JVM optimizations—adding x86 intrinsics and enabling cache-allocation QoS for GC—delivering multi-fold speedups and upstream contributions to the high-profile OpenJDK project. His background spans persistent memory data structures, interpreter and JIT performance work for Python and PHP, and highly accelerated neuromorphic SDKs and spiking neural network algorithms for Intel’s Loihi. Comfortable from assembly-level neuron models to high-level Java performance tuning, he pairs deep systems-level knowledge with practical engineering that moves research into production. Notably, he has driven 40x–200x performance gains in research prototypes and contributed performance-critical math intrinsics to core Java libraries.
9 years of coding experience
10 years of employment as a software developer
Master’s Degree, Electrical and Electronics Engineering - Nanoelectronics, Master’s Degree, Electrical and Electronics Engineering - Nanoelectronics at University of Southern CaliforniaJawaharlal Nehru Technological University Hyderabad2nd Master's degree - Electrical & Computer Engg., Neural Networks, Parallel Computing, 2nd Master's degree - Electrical & Computer Engg., Neural Networks, Parallel Computing at Portland State University
Github Skills (8)
openjdk10
javas10
jvm10
performance-optimization10
java10
float329
floating-point9
avx8
Programming languages (1)
Github contributions (5)
openjdk/jdk
Oct 2021 - Mar 2025
JDK main-line development https://openjdk.org/projects/jdk
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:180 reviews, 35 PRs, 372 comments in 3 years 5 months
Contributions summary:Vamsi primarily contributed to the OpenJDK project by implementing and optimizing low-level, performance-critical components. Their work involved the development of x86 intrinsics for various mathematical functions, including unsigned multiplication, bit counting, and floating-point operations (tanh, isInfinite). They also optimized existing random number generators. These changes directly enhance the performance of core Java libraries.
openjdkjavajvmjdk
vamsi-parasa/jdk
Oct 2021 - Apr 2025
JDK main-line development
Contributions:35 reviews, 4 PRs, 294 pushes in 3 years 6 months
openjdkjavajvmjdk
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