Understanding the state-of-the-practice in MPI usage is paramount for many aspects of
supercomputing, including optimizing the communication of HPC applications and informing …

Abstract High-Performance Computing (HPC) is essential to support the advance in multiple
research and industrial fields. Despite the recent growth in processing and networking …

In the landscape of High-Performance Computing (HPC), the quest for efficient and scalable
memory solutions remains paramount. The advent of Compute Express Link (CXL) …

The MPI multithreading model has been historically difficult to optimize; the interface that it
provides for threads was designed as a process-level interface. This model has led to …

Performance portability is becoming more-and-more important as next-generation high
performance computing systems grow increasingly diverse and heterogeneous. Several …

Maintaining a high rate of productivity, in terms of completed jobs per unit of time, in High-
Performance Computing (HPC) facilities is a cornerstone in the next generation of exascale …

Partitioned point-to-point communication primitives provide a performance-oriented
mechanism to support a hybrid parallel programming model and have been included in the …

Summary The Exascale Computing Project (ECP) focuses on the development of future
exascale‐capable applications. Most ECP applications use the message passing interface …

There has been much effort in offloading MPI collective operations into hardware. But while
NIC‐based collective acceleration is well‐studied, offloading their processing into the …

MPI collective operations can often be performance killers in HPC applications; we seek to
solve this bottleneck by offloading them to reconfigurable hardware within the switch itself …