We introduce LogGOPSim---a fast simulation framework for parallel algorithms at large-
scale. LogGOPSim utilizes a slightly extended version of the well-known LogGPS model in …

It is widely accepted that future HPC systems will be limited by their power consumption.
Current HPC systems are built from commodity server processors, designed over years to …

The performance of parallel scientific applications depends on many factors which are
determined by the execution environment and the parallel application. Especially on large …

High-performance computing (HPC) is recognized as one of the pillars for further progress in
science, industry, medicine, and education. Current HPC systems are being developed to …

Evaluation of the behavior of queues with nonstationary arrival processes is of importance in
several applications including communication networks. However, the analysis of …

Monitoring and assessing the energy efficiency of supercomputers and data centers is
crucial in order to limit and reduce their energy consumption. Applications from the domain …

This article summarizes our recent work and developments on SMPI, a flexible simulator of
MPI applications. In this tool, we took a particular care to ensure our simulator could be used …

The size of supercomputers in numbers of processors is growing exponentially. Today's
largest supercomputers have upwards of a hundred thousand processors and tomorrow's …

We present an end-to-end simulation framework that is capable of simulating High-
Performance Computing (HPC) systems with hundreds of thousands of interconnected …

Multi‐core architectures comprising several graphics processing units (GPUs) have become
mainstream in the field of high‐performance computing. However, obtaining the maximum …