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Primeur weekly 2018-04-30

Special

HPC and hyperfast applications are drivers for the fifth industrial revolution, says EU Commissioner Mariya Gabriel ...

Developing own EuroHPC hardware could make all the difference for exascale supercomputing in Europe ...

Human Brain Project models brain in silico with HPC for better understanding of epilepsy ...

The European Processor developed as part of EuroHPC will be crucial for European sovereignty, says Atos CEO Thierry Breton ...

Exascale supercomputing

New high-resolution exascale Earth-modelling system announced for energy ...

Quantum computing

Einstein's spooky action goes massive ...

Yale plays quantum catch in new research ...

Focus on Europe

ISC 2018 is now open for registration ...

KU Leuven and Hewlett Packard Enterprise advance AI capabilities through new supercomputer ...

University of Cambridge receives GBP10 million in funding for new AI supercomputer ...

Middleware

TACC builds seamless software for scientific innovation ...

Hardware

DDN maintains number one position in Intersect360's top HPC storage supplier list and achieves biggest gain in market share ...

Asetek receives confirmation of HPC Award from Quanta Computer ...

Eyal Waldman, CEO and President of Mellanox Technologies, receives the 2018 Global Industry Leader Award ...

New funding for Pawsey Supercomputing Centre to accelerate science and innovation ...

Discovery of new material is key step toward more powerful computing ...

Applications

Variants in non-coding DNA contribute to inherited autism risk ...

New control strategy helps reap maximum power from wind farms ...

Satellites, supercomputers, and machine learning provide real-time crop type data ...

NCSA announces 2018-2019 Illinois Faculty Fellows ...

Blue Waters awards 21 Broadening Participation allocations ...

Rice University turns deep-learning AI loose on software development ...

Artificial intelligence helps soldiers learn many times faster in combat ...

Speeding up material discovery ...

The Cloud

Atos and Google Cloud form a global partnership to deliver secure hybrid Cloud, machine learning and collaboration solutions to the enterprise ...

Altair reinvents the Cloud high-performance computing experience with the release of PBS Works 2018 ...

Altair nominated for Amazon Web Services (AWS) Industrial Software Competency ...

IBM joins NSF's BIGDATA programme ...

New high-resolution exascale Earth-modelling system announced for energy


The high-resolution E3SM Earth system model simulates the strongest storms with surface winds exceeding 150 mph - hurricanes that leave cold wakes that are 2 to 4 degrees Celsius cooler than their surroundings. This simulation from E3SM represents how sea surface temperature changes evolve as a hurricane (seen here approaching the US East Coast) moves across the Atlantic and how the resultant cold wake affects subsequent intensification of the next hurricane. Credit: Lawrence Livermore National Laboratory.
23 Apr 2018 Los Alamos - A new Earth-modelling system unveiled today will have weather-scale resolution and use advanced computers to simulate aspects of Earth's variability and anticipate decadal changes that will critically impact the US energy sector in coming years.

"This multilaboratory effort will be a huge advance in our already important capabilities for Earth-systems modeling and energy-related analysis", stated John Sarrao, Principal Associate Director for Science, Technology and Engineering at Los Alamos National Laboratory. "Our laboratory, along with our sister institutions, has made significant contributions to Earth-systems modelling over the previous decades, but this latest contribution takes our work to an entirely new level."

After four years of development, the Energy Exascale Earth System Model (E3SM) will be released to the broader scientific community this month. The E3SM project is supported by the Department of Energy's Office of Science in the Biological and Environmental Research Office. The E3SM release will include model code and documentation, as well as output from an initial set of benchmark simulations.

The Earth, with its myriad interactions of atmosphere, oceans, land and ice components, presents an extraordinarily complex system for investigation. Earth-system simulation involves solving approximations of physical, chemical and biological governing equations on spatial grids at resolutions that are as fine in scale as computing resources will allow.

"E3SM is the first end-to-end multi-scale Earth system model, meaning that we can focus model resolution and computer resources toward specific locations to help answer specific questions that are important to the DOE", stated researcher Steve Price of Los Alamos. "For example, Los Alamos is using E3SM with focused resolution around Antarctica to improve the modelling of how ocean waters melt ice shelves - the critical process that controls the likelihood of abrupt sea-level rise."

The E3SM project will reliably simulate aspects of earth system variability and project decadal changes that will critically impact the U.S. energy sector in the near future. These critical factors include a) regional air/water temperatures, which can strain energy grids; b) water availability, which affects power plant operations; c) extreme water-cycle events - e.g. floods and droughts, which impact infrastructure and bio-energy; and d) sea-level rise and coastal flooding which threaten coastal infrastructure.

"There is no shortage of important problems that we can tackle with this new modelling capability", stated Todd Ringler, also of Los Alamos. "Take the Arctic, for example. It is changing rapidly - and this presents new opportunities and new security risks. This new modelling capability - particularly the new approaches that we developed for the ocean and sea-ice systems - will be critical for predicting the how, when and why of the changing Arctic."

The goal of the project is to develop an earth system model (ESM) that has not been possible because of limitations in current computing technologies. Meeting this goal will require advances on three frontiers:

1. better resolving earth system processes through a strategic combination of developing new processes in the model, increased model resolution and enhanced computational performance;

2. representing more realistically the two-way interactions between human activities and natural processes, especially where these interactions affect U.S. energy needs; and

3. ensemble modelling to quantify uncertainty of model simulations and projections.

"The quality and quantity of observations really makes us constrain the models", stated David Bader, Lawrence Livermore National Laboratory scientist and lead of the E3SM project. "With the new system, we'll be able to more realistically simulate the present, which gives us more confidence to simulate the future."

Simulating atmospheric and oceanic fluid dynamics with fine spatial resolution is especially challenging for ESMs. The E3SM project is positioned on the forefront of this research challenge, acting on behalf of an international ESM effort. Increasing the number of earth-system days simulated per day of computing time is a prerequisite for achieving the E3SM project goal. It also is important for E3SM to effectively use the diverse computer architectures that the DOE Advanced Scientific Computing Research (ASCR) Office procures to be prepared for the uncertain future of next-generation machines.

A long-term aim of the E3SM project is to use exascale machines to be procured over the next five years. The development of the E3SM is proceeding in tandem with the Exascale Computing Initiative (ECI). An exascale refers to a computing system capable of carrying out a billion billion (109 x 109 = 1018) calculations per second. This represents a thousand-fold increase in performance over that of the most advanced computers from a decade ago.

"We are particularly interested in accurately assessing the risk of abrupt sea-level rise, say more than 3 feet, sometime during this century", stated Todd Ringler. "To accomplish this, Los Alamos constructed entirely new computer models of the ocean, land-ice and sea-ice systems - this is a huge accomplishment by the Los Alamos modelling team."

"This model adds a much more complete representation between interactions of the energy system and the earth system", David Bader stated. "The increase in computing power allows us to add more detail to processes and interactions that results in more accurate and useful simulations than previous models."

To address the diverse critical factors impacting the U.S. energy sector, the E3SM project is dedicated to answering three overarching scientific questions that drive its numerical experimentation initiatives:

  • Water Cycle: How does the hydrological cycle interact with the rest of the human-Earth system on local to global scales to determine water availability and water cycle extremes?
  • Biogeochemistry: How do biogeochemical cycles interact with other Earth system components to influence the energy sector?
  • Cryosphere Systems: How do rapid changes in cryosphere (continental and ocean ice) systems evolve with the Earth system and contribute to sea-level rise and increased coastal vulnerability?

In the E3SM, all model components (atmosphere, ocean, land, ice) are able to employ variable resolution to focus computing power on fine-scale processes in regions of particular interest. This is implemented using advanced mesh-designs that smoothly taper the grid-scale from the coarser outer region to the more refined region.

The E3SM project includes more than 100 scientists and software engineers at multiple DOE Laboratories as well as several universities; the DOE laboratories include Argonne, Brookhaven, Lawrence Livermore, Lawrence Berkeley, Los Alamos, Oak Ridge, Pacific Northwest and Sandia national laboratories. In recognition of unifying the DOE earth system modelling community to perform high-resolution coupled simulations, the E3SM executive committee was awarded the Secretary of Energy's Achievement Award in 2015.

In addition, the E3SM project also benefits from DOE programmatic collaborations including the Exascale Computing Project (ECP) and programmes in Scientific Discovery through Advanced Computing (SciDAC), Climate Model Development and Validation (CMDV), Atmospheric Radiation Measurement (ARM), Programme for Climate Model Diagnosis and Intercomparison (PCMDI), International Land Model Benchmarking Project (iLAMB), Community Earth System Model (CESM) and Next Generation Ecosystem Experiments (NGEE) for the Arctic and the Tropics.

More information is available at the E3SM website.

Source: DOE/Los Alamos National Laboratory

Back to Table of contents

Primeur weekly 2018-04-30

Special

HPC and hyperfast applications are drivers for the fifth industrial revolution, says EU Commissioner Mariya Gabriel ...

Developing own EuroHPC hardware could make all the difference for exascale supercomputing in Europe ...

Human Brain Project models brain in silico with HPC for better understanding of epilepsy ...

The European Processor developed as part of EuroHPC will be crucial for European sovereignty, says Atos CEO Thierry Breton ...

Exascale supercomputing

New high-resolution exascale Earth-modelling system announced for energy ...

Quantum computing

Einstein's spooky action goes massive ...

Yale plays quantum catch in new research ...

Focus on Europe

ISC 2018 is now open for registration ...

KU Leuven and Hewlett Packard Enterprise advance AI capabilities through new supercomputer ...

University of Cambridge receives GBP10 million in funding for new AI supercomputer ...

Middleware

TACC builds seamless software for scientific innovation ...

Hardware

DDN maintains number one position in Intersect360's top HPC storage supplier list and achieves biggest gain in market share ...

Asetek receives confirmation of HPC Award from Quanta Computer ...

Eyal Waldman, CEO and President of Mellanox Technologies, receives the 2018 Global Industry Leader Award ...

New funding for Pawsey Supercomputing Centre to accelerate science and innovation ...

Discovery of new material is key step toward more powerful computing ...

Applications

Variants in non-coding DNA contribute to inherited autism risk ...

New control strategy helps reap maximum power from wind farms ...

Satellites, supercomputers, and machine learning provide real-time crop type data ...

NCSA announces 2018-2019 Illinois Faculty Fellows ...

Blue Waters awards 21 Broadening Participation allocations ...

Rice University turns deep-learning AI loose on software development ...

Artificial intelligence helps soldiers learn many times faster in combat ...

Speeding up material discovery ...

The Cloud

Atos and Google Cloud form a global partnership to deliver secure hybrid Cloud, machine learning and collaboration solutions to the enterprise ...

Altair reinvents the Cloud high-performance computing experience with the release of PBS Works 2018 ...

Altair nominated for Amazon Web Services (AWS) Industrial Software Competency ...

IBM joins NSF's BIGDATA programme ...