Manjunath Gorentla Venkata is a research scientist in Oak Ridge National Laboratory’s Computer Science and Mathematics Division. His area of expertise is programming models and network (communication) libraries for high-performance computing (HPC) systems. He has researched, designed, and developed a number of novel and high-performing communication middleware for HPC systems, including Cray (XT, XK7, XE) and InfiniBand systems. Dr. Gorentla Venkata has published numerous peer-reviewed research articles in this area, and contributed to various international standards. He is the recipient of 2015 R&D 100 award for his contributions to the CORE-Direct technology. He is a senior member of IEEE. His additional roles include leading the Programming Languages and Models team at ORNL, and serving as a secretary of the OpenSHMEM specification committee.


University of New Mexico
Computer Science
Doctor of Philosophy (Ph.D.)

R&D Activities Contributions

Exascale Computing Project – Open MPI for Exascale (OMPI-X) - The OMPI-X project ensures that the Message Passing Interface (MPI) standard, and its specific implementation in Open MPI meet the needs of the ECP community…

MPI Forum - The MPI Forum is the community-based organization that establishes the standards for the widely-used Message Passing Interface (MPI). ORNL has been involved in the MPI…

Open MPI - The Open MPI Project is an open source Message Passing Interface implementation that is developed and maintained by a consortium of academic, research, and industry…


2015 — R&D 100


2017 - Zachary Parchman, Ferrol Aderholdt, and Manjunath Gorentla Venkata,
SharP Hash: A High-Performing Distributed Hash for Extreme-Scale Systems. (Poster)
In Proceedings of IEEE International Conference on Cluster Computing (Cluster), Honolulu, Hawaii, September, 2017.

2017 - Manjunath Gorentla Venkata, Ferrol Aderholdt, and Zachary Parchman,
”SharP: Towards Programming Extreme-Scale Systems with Hierarchical Heterogeneous Memory.”
In Proceedings of the 46th International Conference on Parallel Processing Workshop, Bristol, UK, August, 2017

2015 - Manjunath Gorentla Venkata, and Stephen Poole. ”Parallel Programming Models and Systems for High Performance Computing.” Emerging Research in Cloud Distributed Computing Systems, IGI Global, May. 2015.

2015 - Manjunath Gorentla Venkata and Pavel Shamis and Neena Imam and M. Graham Lopez, editor. OpenSHMEM and Related Technologies. Experiences, Implementations, and Technologies - Second Workshop, OpenSHMEM 2015, Annapolis, MD, USA, August 4-6, 2015. Revised Selected Papers, volume 9397 of Lecture Notes in Computer Science. Springer, 2015.