4 papers
ClusterBench: A Framework for Cluster-Wide Continuous Benchmarking and Regression Testing
Aditya Ujeniya, Jan Eitzinger, Thomas Gruber +2
Data centers need tooling that validates an entire installation rather than individual nodes, at acceptance and at regular intervals thereafter. This requires dispatching identical…
Alya towards Exascale: Optimal OpenACC Performance of the Navier-Stokes Finite Element Assembly on GPUs
Herbert Owen, Dominik Ernst, Thomas Gruber +4
This paper addresses the challenge of providing portable and highly efficient code structures for CPU and GPU architectures. We choose the assembly of the right-hand term in the in…
Autonomy Loops for Monitoring, Operational Data Analytics, Feedback, and Response in HPC Operations
Francieli Boito, Jim Brandt, Valeria Cardellini +24
Many High Performance Computing (HPC) facilities have developed and deployed frameworks in support of continuous monitoring and operational data analytics (MODA) to help improve ef…
CloverLeaf on Intel Multi-Core CPUs: A Case Study in Write-Allocate Evasion
Jan Laukemann, Thomas Gruber, Georg Hager +2
In this paper we analyze the MPI-only version of the CloverLeaf code from the SPEChpc 2021 benchmark suite on recent Intel Xeon "Ice Lake" and "Sapphire Rapids" server CPUs. We obs…