The digital revolution of Earth-system science

P Bauer, PD Dueben, T Hoefler, T Quintino… - Nature Computational …, 2021 - nature.com
Computational science is crucial for delivering reliable weather and climate predictions.
However, despite decades of high-performance computing experience, there is serious …

An early evaluation of intel's optane dc persistent memory module and its impact on high-performance scientific applications

M Weiland, H Brunst, T Quintino, N Johnson… - Proceedings of the …, 2019 - dl.acm.org
Memory and I/O performance bottlenecks in supercomputing simulations are two key
challenges that must be addressed on the road to Exascale. The new byte-addressable …

DAOS as HPC Storage: a View From Numerical Weather Prediction

N Manubens, T Quintino, SD Smart… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Object storage solutions potentially address long-standing performance issues with POSIX
file systems for certain I/O workloads, and new storage technologies offer promising …

Energy consumption evaluation of optane dc persistent memory for indexing data structures

M Katsaragakis, C Baloukas… - 2022 IEEE 29th …, 2022 - ieeexplore.ieee.org
The Intel Optane DC Persistent Memory (DCPM) is an attractive novel technology for
building storage systems for data intensive HPC applications, as it provides lower cost per …

A middleware supporting data movement in complex and software-defined storage and memory architectures

C Haine, UU Haus, M Martinasso, D Pleiter… - … Computing: ISC High …, 2021 - Springer
Among the broad variety of challenges that arise from workloads in a converged HPC and
Cloud infrastructure, data movement is of paramount importance, especially oncoming …

DAOS as HPC Storage: Exploring Interfaces

A Jackson, N Manubens - 2023 IEEE International Conference …, 2023 - ieeexplore.ieee.org
Reading and writing data to and from data storage has long been a bottleneck for high
performance computing (HPC). The hardware used for data storage exhibits performance …

Performance Comparison of DAOS and Lustre for Object Data Storage Approaches

N Manubens, SD Smart, T Quintino… - 2022 IEEE/ACM …, 2022 - ieeexplore.ieee.org
High-performance object stores are an emerging technology which offers an alternative
solution in the field of HPC storage, with potential to address long-standing scalability issues …

Usage scenarios for byte-addressable persistent memory in high-performance and data intensive computing

M Weiland, B Homölle - Journal of Computer Science and Technology, 2021 - Springer
Byte-addressable persistent memory (B-APM) presents a new opportunity to bridge the
performance gap between main memory and storage. In this paper, we present the usage …

Reducing the Impact of I/O Contention in Numerical Weather Prediction Workflows at Scale Using DAOS

N Manubens, SD Smart, E Danovaro… - Proceedings of the …, 2024 - dl.acm.org
Operational Numerical Weather Prediction (NWP) workflows are highly data-intensive. Data
volumes have increased by many orders of magnitude over the last 40 years, and are …

MultIO: A Framework for Message-Driven Data Routing For Weather and Climate Simulations

D Sarmany, M Valentini, P Maciel, P Geier… - Proceedings of the …, 2024 - dl.acm.org
In numerical weather prediction and high-performance computing, the primary
computational bottleneck has gradually evolved from floating-point arithmetic to the …