The interconnect is one of the most critical components in large scale computing systems,
and its impact on the performance of applications is going to increase with the system size …

The allreduce operation is one of the most commonly used communication routines in
distributed applications. To improve its bandwidth and to reduce network traffic, this …

Cloud computing represents an appealing opportunity for cost-effective deployment of HPC
workloads on the best-fitting hardware. However, although cloud and on-premise HPC …

Dragonfly interconnect is a crucial network technol-ogy for supercomputers. To support
exascale systems, network resources are shared such that links and routers are not …

Performance of a parallel code running on a large supercomputer can vary significantly from
one run to another even when the executable and its input parameters are left unchanged …

System noise can negatively impact the performance of HPC systems, and the
interconnection network is one of the main factors contributing to this problem. To mitigate …

Multi-GPU nodes are increasingly common in the rapidly evolving landscape of exascale
supercomputers. On these systems, GPUs on the same node are connected through …

The de-facto standard topology for modern HPC systems and data-centers are Folded Clos
networks, commonly known as Fat-Trees. The number of network endpoints in these …

Dragonfly is an indispensable interconnect topology for exascale HPC systems. To link tens
of thousands of compute nodes at a reasonable cost, Dragonfly shares network resources …

The deployment of microservices in Hybrid Fog/Cloud (HFC) environments for Internet of
Things (IoT) applications presents a significant challenge in efficiently scheduling …