Amit Kumar
Development Team Lead @ IBM | Java Hotspot(Runtime) Developer | OpenJDK Committer, s390x Port Project Lead | Open Source Contributor & C++ Developer
- Role
- Development Team Lead, Openjdk on Ibm-z at IBM
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Amit Kumar
Team Lead at IBM Research Labs (ISDL), managing the OpenJDK project (s390 Port), an open-source implementation of Java. Serving as an OpenJDK Committer for the head stream and an Author for JDK-Updates, specializing in the IBM-s390 Port and Hotspot (Runtime) component. Dedicated to ensuring seamless build-ability and functionality on the s390x architecture. Passionate about learning new C++ concepts and solving competitive programming problems.
Experience
Development Team Lead, Openjdk on Ibm-z
Sep 2023 — Present · Bengaluru, IN
I am embarking on my journey as a Lead Developer for OpenJDK s390 Port Project. Here are few of my Individual contributions:* Added Port for JEP 475: Late Barrier Expansion for G1 Garbage Collector* Implemented Recursive Object Locking for C2 Compiler.* Improved Profiled Data collection for heavily Polluted Profiles.* Added fast path check in Thread Initialiser to avoid repeated interpreter calls for classes being initialised.* Added Port for Relocation of Field Information out of the Constant Pool Cache.* Added Port for Relocation of Method Resolution Information out of the Constant Pool Cache.* Restructured representation of whole Register class to use Values instead of pointers.* Added port for issue of frequent updates in the secondary_super_cache, as multiple threads attempting regular updates.
Education
Arya College of Engineering and IT
Bachelor of Technology - BTech, Computer Science
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