Traditional point-to-point communication sends data only after the entirety of the data is
available. This includes situations where multiple actors (eg, threads) contribute to the send …

Modern HPC systems require efficient hybrid programming model to utilize their hardware
resources effectively. The Message Passing Interface (MPI) has accommodated next …

The Open MPI for Exascale (OMPI-X) project was one of two in the Exascale Computing
Project (ECP) focused on advancing the MPI ecosystem. The OMPI-X team worked with …

Modern communication APIs provide increased ability to specify when, where, and how to
send data between processes. One recent innovation is fine-grained communication, where …

Early‐bird communication is a communication/computation overlap technique that leverages
fine‐grained communication to improve application run‐time. Communication is divided …

Abstract Advances in High-Performance Computing (HPC) continue to improve the
performance of applications in Molecular Dynamics, AI, Deep Learning, and Large …

Parallel distributed applications running on largescale high-performance computing systems
depend on effective point-to-point and collective communication to meet performance goals …

Modern HPC systems require efficient hybrid programming model to utilize their hardware
resources effectively. The Message Passing Interface (MPI) has accommodated next …