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The International Exascale Software Project roadmap

Jack Dongarra, Pete Beckman, Terry Moore, Patrick Aerts, Giovanni Aloisio, Jean-Claude Andre, David Barkai, Jean-Yves Berthou, Taisuke Boku, Bertrand Braunschweig, Franck Cappello, Barbara Chapman (+53 others)
2011 The international journal of high performance computing applications  
Make a thorough assessment of needs, issues and strategies: A successful plan in this arena requires a thorough assessment of the technology drivers for future peta/exascale systems and of the short-term  ...  In developing a plan for producing a new software infrastructure capable of supporting exascale applications, we charted a path that moves through the following sequence of objectives: 1.  ...  Clearly all science areas and engineering areas that contain potential CDVs need something in all the software areas, but for the purposes of this exercise we tried to sort out areas of emphasis for each  ... 
doi:10.1177/1094342010391989 fatcat:twdszcjfxraijpsdcdacvpp6vm

ESiWACE : A European Centre of Excellence for Future Exascale Climate and Weather Predictions

Philipp Neumann, Julia Duras
2019 Zenodo  
The Centre of Excellence in Simulation of Weather and Climate in Europe (ESiWACE) forms a joint scientific community around Earth System Modelling (ESM) from the two communities of weather and climate  ...  critical mass and create expertise to increase the community impact on hardware development towards the extreme scale as well as future international exascale initiatives.  ...  of HPC systems for the ESM workflow • Handbooks for application and system software stacks • Spack-based solutions for software stack and model deployment • Improving robustness and performance of meta-scheduler  ... 
doi:10.5281/zenodo.3250104 fatcat:sd7ip745cva3tfx7dxqnolor4m

Towards scalable I/O architecture for exascale systems

Yong Chen
2011 Proceedings of the 2011 ACM international workshop on Many task computing on grids and supercomputers - MTAGS '11  
This study proposes a dynamically coordinated I/O architecture for exascale systems.  ...  At such an extreme scale, the substantial amount of concurrency can cause a critical contention issue for I/O system.  ...  The dynamic coordination can be critical for the independent I/O on exascale systems.  ... 
doi:10.1145/2132876.2132887 dblp:conf/sc/Chen11 fatcat:ndan5vzl3jg4dpycrzmpzvpvfy

Preparing HPC Applications for Exascale: Challenges and Recommendations

Erika Abraham, Costas Bekas, Ivona Brandic, Samir Genaim, Einar Broch Johnsen, Ivan Kondov, Sabri Pllana, Achim Streit
2015 2015 18th International Conference on Network-Based Information Systems  
Furthermore, we outline a conceptual framework for porting HPC applications to future Exascale computing systems and propose steps for its implementation.  ...  In this paper we argue that efforts for preparing HPC applications for Exascale should start before such systems become available.  ...  a concrete Exascale system.  ... 
doi:10.1109/nbis.2015.61 dblp:conf/nbis/AbrahamBBGJKPS15 fatcat:vrptx6acgzgblogcmezc5aqrsi

Exaflop/s: The why and the how

David E. Keyes
2011 Comptes rendus. Mecanique  
Drawing on vendor projections and experiences with scientific codes on contemporary platforms, we outline the challenges and propose roles and essential adaptations for mathematical modelers in one of  ...  Many scientific and engineering applications force the modeling community to attempt to scale this summit.  ...  For an engineer, the ability to model accurately the result of a scenario is just a prelude to optimization or control of the system.  ... 
doi:10.1016/j.crme.2010.11.002 fatcat:go2cav7yi5elxigo6va65ccswq

Challenges and Recommendations for Preparing HPC Applications for Exascale [article]

Erika Abraham, Costas Bekas, Ivona Brandic, Samir Genaim, Einar Broch Johnsen, Ivan Kondov, Sabri Pllana, Achim Streit
2015 arXiv   pre-print
Furthermore, we outline a conceptual framework for porting HPC applications to future Exascale computing systems and propose steps for its implementation.  ...  In this paper we argue that efforts for preparing HPC applications for Exascale should start before such systems become available.  ...  a concrete Exascale system.  ... 
arXiv:1503.06974v2 fatcat:ehins3rgmred5itigap3xohooy

THE OSCILLATION MODEL OF LOAD FLOW OF GLOBAL ACTIVITIES IN A FULLY DISTRIBUTED EXASCALE SYSTEM

Ulphat Bakhishov
2019 Azerbaijan Journal of High Performance Computing  
It strongly depends on the distribution degree of the system. This paper defined a new model of load flow while imbalance occurred in the node of a fully distributed Exascale system.  ...  Exascale systems are the concept of HPC systems that able to perform one exaflop (10 18 floating-point operations) per second in a dynamic and interactive environment.  ...  Proposed model This paper proposed a sender initiated and reassignment available load flow model for a fully distributed Exascale system.  ... 
doi:10.32010/26166127.2019.2.2.178.182 fatcat:r4f4q53donc25grhkeqxqkqg5y

HPC systems in the next decade - what to expect, when, where

Dirk Pleiter
2019 Zenodo  
Lunteren, 2016] PROGRAMMING Programming Models Programming models and run-time systems critical for coping with increasing hardware complexity, but choice increases • MPI, OpenMP, OpenACC, TBB  ...  Exascale Science Cases Improve on interactivity • Support of interactive frameworks like Jupyter notebooks Allow for new allocation models • Depends largely on funding agencies Climate, weather and  ... 
doi:10.5281/zenodo.3599754 fatcat:auzd4iqenjdqhkotn6pqcfmsli

VELOC: VEry Low Overhead Checkpointing in the Age of Exascale [article]

Bogdan Nicolae and Adam Moody and Gregory Kosinovsky and Kathryn Mohror and Franck Cappello
2021 arXiv   pre-print
This extended abstract presents an overview of VeloC (Very Low Overhead Checkpointing System), a checkpointing runtime specifically design to address these challenges for the next generation Exascale HPC  ...  Furthermore, the storage hierarchy is becoming increasingly heterogeneous: in addition to parallel file systems, it comprises burst buffers, key-value stores, deep memory hierarchies at node level, etc  ...  In this case, approaches such as [7] build deep learning ensembles and workflows to construct a system for automatically identifying data subsets that have a large impact on the trained models.  ... 
arXiv:2103.02131v1 fatcat:53tvxe2iszde5gwkr4dy6gxeeq

HPC Systems in the Next Decade – What to Expect, When, Where

Dirk Pleiter, C. Doglioni, D. Kim, G.A. Stewart, L. Silvestris, P. Jackson, W. Kamleh
2020 EPJ Web of Conferences  
HPC systems have seen impressive growth in terms of performance over a period of many years. Soon the next milestone is expected to be reached with the deployment of exascale systems in 2021.  ...  In this paper, we provide an overview of the exascale challenges from a computer architecture's perspective and explore technological and other constraints.  ...  To justify different exascale programs as well as to prepare applications for leveraging the performance of exascale systems, the scientific and engineering case for exascale computing has been explored  ... 
doi:10.1051/epjconf/202024511004 fatcat:qk4yzblkevb2pkwf3qxderxd2a

The International Exascale Software Project: a Call To Cooperative Action By the Global High-Performance Community

Jack Dongarra, Pete Beckman, Patrick Aerts, Frank Cappello, Thomas Lippert, Satoshi Matsuoka, Paul Messina, Terry Moore, Rick Stevens, Anne Trefethen, Mateo Valero
2009 The international journal of high performance computing applications  
We believe the community must work together to prepare for the challenges of exascale computing, ultimately combing their efforts in a coordinated International Exascale Software Project.  ...  It seems clear that this completely uncoordinated development model will not provide the software needed to support the unprecedented parallelism required for peta/exascale computation on millions of cores  ...  It is critical that work begin today if the software ecosystem is to be ready for the arrival of exascale systems in the coming decade."  ... 
doi:10.1177/1094342009347714 fatcat:4pjbmkhzfrhhtnvk53esiuriyq

Exascale Machines Require New Programming Paradigms and Runtimes

2015 Supercomputing Frontiers and Innovations  
In this article, we explore the shortcomings of existing programming models and runtimes for large-scale computing systems.  ...  The third section describes how resilience will be of critical importance, since faults and reconfiguration will be a recurring element in such a large-scale infrastructure.  ...  Another critical challenge for MPI to support exascale systems is the resilience, a crosscutting issue affecting the whole software stack.  ... 
doi:10.14529/jsfi150201 fatcat:ozj4czefxrd37j7djcxuukyuee

Perspectives on Anomaly and Event Detection in Exascale Systems

Gabriel Iuhasz, Dana Petcu
2019 2019 IEEE 5th Intl Conference on Big Data Security on Cloud (BigDataSecurity), IEEE Intl Conference on High Performance and Smart Computing, (HPSC) and IEEE Intl Conference on Intelligent Data and Security (IDS)  
In this paper we focus on an event and anomaly detection framework which is crucial in giving a global overview of a exascale system (which in turn is necessary for the successful implementation and exploitation  ...  The design and implementation of exascale system is nowadays an important challenge.  ...  These types of anomalies are very important in systems which have a strong spatio-temporal relationship between features, which is very much the case for exascale metrics.  ... 
doi:10.1109/bigdatasecurity-hpsc-ids.2019.00051 fatcat:f6pef5g6szdbjn473x4tkojuje

MACHINE LEARNING-BASED MODELING FOR PERFORMANCE IMPROVEMENT IN AN EXASCALE SYSTEMS

Etibar Vazirov, Azerbaijan State Oil and Industry University
2020 Azerbaijan Journal of High Performance Computing  
In that sense, the integration of machine learning into exascale computations is an encouraging way to obtain large performance profits and introduce an opportunity to jump a generation of simulation improvements  ...  The combination of heterogeneous resources within exascale architectures guarantees to be capable of revolutionary compute for scientific applications.  ...  The enormous volume and variety of data being gathered make it unmanageable in many cases for a human to analyze and get insights.  ... 
doi:10.32010/26166127.2020.3.2.223.233 fatcat:w2tlha4vtncarg5igk6uvohlqe

Making the case for reforming the I/O software stack of extreme-scale systems

Florin Isaila, Javier Garcia, Jesus Carretero, Rob Ross, Dries Kimpe
2017 Advances in Engineering Software  
In this article we discuss the current development model for the I/O software stack of high-performance computing platforms.  ...  We advocate for radical new approaches to reforming the I/O software stack in order to advance toward exascale.  ...  Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies  ... 
doi:10.1016/j.advengsoft.2016.07.003 fatcat:g5x76tcltbfupjevl2qgqb55py
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