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Saeed Musaad Altalhi, Fathy Elbouraey Eassa, Abdullah Saad Al-Malaise Al-Ghamdi, Sanaa Abdullah Sharaf, Ahmed Mohammed Alghamdi, Khalid Ali Almarhabi and Maher Ali Khemakhem
As the development of high-performance computing (HPC) is growing, exascale computing is on the horizon. Therefore, it is imperative to develop parallel systems, such as graphics processing units (GPUs) and programming models, that can effectively utilis...
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Jose I. Aliaga, Maribel Castillo, Sergio Iserte, Iker Martín-Álvarez and Rafael Mayo
Maintaining a high rate of productivity, in terms of completed jobs per unit of time, in High-Performance Computing (HPC) facilities is a cornerstone in the next generation of exascale supercomputers. Process malleability is presented as a straightforwar...
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David Goz, Georgios Ieronymakis, Vassilis Papaefstathiou, Nikolaos Dimou, Sara Bertocco, Francesco Simula, Antonio Ragagnin, Luca Tornatore, Igor Coretti and Giuliano Taffoni
New challenges in Astronomy and Astrophysics (AA) are urging the need for many exceptionally computationally intensive simulations. ?Exascale? (and beyond) computational facilities are mandatory to address the size of theoretical problems and data coming...
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Michael Knobloch,Bernd Mohr
Pág. 91 - 111
General purpose GPUs are now ubiquitous in high-end supercomputing. All but one (the Japanese Fugaku system, which is based on ARM processors) of the announced (pre-)exascale systems contain vast amounts of GPUs that deliver the majority of the performan...
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Saad A. Alowayyed,Maxime Vassaux,Ben Czaja,Peter V. Coveney,Alfons G. Hoekstra
Pág. 20 - 43
New applications that can exploit emerging exascale computing resources efficiently, while providing meaningful scientific results, are eagerly anticipated. Multi-scale models, especially multi-scale applications, will assuredly run at the exascale. We h...
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Maciej Brodowicz,Thomas Sterling,Matthew Anderson
Pág. 5 - 24
The end of Moore's Law is a cliche that none the less is a hard barrier to future scaling of high performance computing systems. A factor of about 4x in device density is all that is left of this form of improved throughput with a 5x gain required just t...
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Dylan Chapp,Kento Sato,Dong H Ahn,Michela Taufer
Pág. 11 - 30
Record-and-replay techniques provide the ability to record executions of nondeterministic applications and re-execute them identically. These techniques find use in the contexts of debugging, reproducibility, and fault-tolerance, especiall...
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Vadim V. Elisseev,Milos Puzovic,Eun Kyung Lee
Pág. 24 - 41
On the path to Exascale, the goal of High Performance Computing (HPC) to achieve maximum performance becomes the goal of achieving maximum performance under strict power constraint. Novel approaches to hardware and software co-design of modern HPC system...
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Jakob Lüttgau,Michael Kuhn,Kira Duwe,Yevhen Alforov,Eugen Betke,Julian Kunkel,Thomas Ludwig
Pág. 31 - 58
In current supercomputers, storage is typically provided by parallel distributed file systems for hot data and tape archives for cold data. These file systems are often compatible with local file systems due to their use of the POSIX interface and semant...
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Earle Jennings
Pág. 38 - 53
The STAR protocol is introduced, which solves three problems with MPI, a well known secur- ity problem, and three exascale communication problems. Optical implementations are developed compatible with 100 Gbit/sec Ethernet. Automatic fault resilience mec...
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