Inheriting Excellence: High-Performance Computing at a Crossroads

We pay tribute to Jack's remarkable achievements in the HPC field and showcase how our own work has been enriched by his legacy. We demonstrate how optimized libraries can be elevated to the next level through performance metaprogramming, resulting in truly performance-portable programming. In addition, we explore the exciting possibilities of expanding MPI to support streaming in-network processing and acceleration. Drawing on the solid foundations established by Jack in the field, we highlight the importance of scientific performance benchmarking in HPC and data sciences. As HPC intersects with cloud and AI systems, we recognize that the field stands at a crucial crossroads. To wrap up, we offer thought-provoking predictions and insights on the future of HPC.