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Topic: Accelerated Strategic Computing Initiative


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  ACPI RPT
Accelerating computer technology development, therefore, is a necessary element in improving climate models.
Computer simulation models are the primary tools for integrating knowledge about the workings of the climate system and developing projections of possible climate change.
At the core of the Accelerated Climate Prediction Initiative (ACPI) is the requirement to produce and assess quantifiably predictive simulations of the global and regional climate.
www.csm.ornl.gov /ACPI/Documents/ACPIfinal.html   (13093 words)

  
 HSC Statement 03.09.95
The objective of the Accelerated Strategic Computing Initiative (ASCI) is to generate advances in computational science and technology to hasten the shift from test-based methods of development and stewardship to computation-based methods.
The first major milestone of the Accelerated Strategic Computing Initiative was the development of the world’s first teraflop computer by Sandia and Intel, which established new records for computational speed last year.
Computer codes developed under ASCI will make it possible, for the first time in the history of the program, to certify (without underground testing) a neutron generator for resistance to hostile radiation effects, which is required before the device can be accepted as a war-reserve component for the stockpile.
www.senate.gov /comm/armed_services/general/statemnt/980319pr.htm   (6411 words)

  
 Information Technology: Department of Energy Does Not Effectively Manage Its Supercomputers (Chapter Report, 07/17/98, ...
As the year 2000 approaches and computing operations on the scale of a trillion operations per second become more routine, DOE is funding a variety of research initiatives to take advantage of the new simulation and computational capabilities of supercomputers.
Recognizing that the initial purchase or lease cost of a supercomputer may represent only a portion of the cost of operating a supercomputer, we also developed information on the total costs of operating supercomputer centers at the seven national laboratories.
We also wanted to determine the types of tasks the computers were used for because the largest, fastest, and most expensive supercomputers are being justified on the need for the capability to run the largest, most complex applications in a reasonable amount of time.
www.fas.org /spp/starwars/gao/rced-98-208.htm   (14762 words)

  
 CMS—Following Materials over Time and Space   (Site not responding. Last check: 2007-11-03)
The new field, called computational materials science, is one of the fastest growing areas within the field of chemistry and materials science.
The most advanced of those computers were acquired through DOE's Accelerated Strategic Computing Initiative (ASCI), a key component of the Stockpile Stewardship Program to assure the safety and performance of the nation's aging nuclear stockpile.
Computer codes essential to understanding the performance of many nuclear weapons are based on this scale.
www-cms.llnl.gov /s-t/mat_simulation.html   (3582 words)

  
 Experiences with a Tflop/s machine - ASCI Red
The compute nodes are comprised of dual 200 MHz Intel Pentium Pro processors with a total of 128 MBytes of memory.
CTH is an Eulerian computational shock physics code capable of treating 1-D, 2-D and 3-D geometries, uses a logically structured grid and includes the capability to simulate both multi-phase and mixed-phase materials, elastic-viscoplastic solids, and fracture.
GILA is a computational fluid dynamics code for performing transient, viscous, incompressible flow calculations that require high resolution, unstructured meshes, including also a large eddy simulation model that has been exercised on exterior flow problems with Reynolds numbers as high as 10 exp 5.
www.hoise.com /primeur/PL/97/Mannheim1/UH-PL-06-97-2.html   (1312 words)

  
 Reaching 1 trillion calculations per second - Accelerated Strategic Computing Initiative Science News - Find Articles
However, no existing computer is powerful enough to calculate in precise detail what happens during a nuclear explosion or in an accident involving a lightning strike or fire.
Last month, a multiprocessor computer built for the agency by Intel in Beaverton, Ore., became the first machine to calculate at a rate of 1 trillion operations per second, according to a standard test of computer performance.
Computers running at roughly 3 trillion operations per second are now being readied, one by IBM, the other by Silicon Graphics/Cray Research for the Lawrence Livermore (Calif.) National Laboratory and the Los Alamos (N.M.) National Laboratory.
www.findarticles.com /p/articles/mi_m1200/is_n1_v151/ai_19027023   (660 words)

  
 Blue2000 - DOE's ASCI Program
DOE's Accelerated Strategic Computing Initiative (ASCI) began in FY 1996, but this is the first year that ASCI has been explicitly described in the President's HPCC Budget.
ASCI is developing a computational infrastructure to allow applications to be developed and execute efficiently on the ASCI computing systems and allow accessibility through the high performance, information-rich supercorridors.
The ASCI Academic Strategic Alliance Centers take the form of Centers of Excellence at five universities, focusing on the high performance, simulation-based, scientific and computational and computer science areas that strongly support the ASCI and Science Based Stockpile Stewardship objectives.
www.nitrd.gov /pubs/bluebooks/2000/asci.html   (1012 words)

  
 ASC Publications—Program Plan FY96
The Accelerated Strategic Computing Initiative (ASCI) is a critical element needed to shift from test-based confidence to science-based confidence.
ASCI will provide computational and simulation capabilities that will help scientists understand aging weapons, predict when components will have to be replaced, and evaluate the implications of changes in materials and fabrication processes to the design life of the aging weapon systems.
The shift to high-performance computing and science as the basis for confidence in the stockpile poses complex theoretical and practical problems in computer science and the physical sciences that are worthy of study by the best and most creative minds of the Nation.
www.sandia.gov /NNSA/ASC/pubs/progplanFY96.html   (9196 words)

  
 Networking: The Other End of the Spectrum
The initiative, a result of the Comprehensive Nuclear Test Ban Treaty signed by the United States in September 1996, is intended to deliver the world's fastest supercomputers for use in nuclear weapon simulations.
Similarly, the target date for the initiative was carefully chosen "by looking at the age and retirement dates of personnel with live nuclear test experience," he said.
This is roughly 10 times the number of computing operations executed in support of the U.S. atomic stockpile from the earliest days of the Manhattan Project through 1992, the last year of underground testing.
www.washingtontechnology.com /news/14_2/tech_features/497-2.html   (860 words)

  
 [EXCERPTS] DIVISION C--DEPARTMENT OF ENERGY NATIONAL SECURITY AUTHORIZATIONS AND OTHER AUTHORIZATIONS NATIONAL DEFENSE ...
Initiatives for Proliferation Prevention The budget request contained $234.6 million for activities related to the prevention of weapons proliferation within the office on nonproliferation and national security.
The committee recognizes that this is an important initiative of the Department, and it accepts the premise that the remediation effort undertaken to date at many of the former nuclear weapons defense sites has been overly costly and, to a large degree, ineffective.
While the committee provided funding for a limited privatization initiative in fiscal year 1997, it did so based on the assumption that the Department would be able to support its continuation based upon a rigorous analysis of projected cost savings that would accrue to the government.
www.fas.org /man/congress/1997/h_rpt_105_132r_ed_doe.htm   (8451 words)

  
 ASCI - Accelerated Strategic Computing Initiative
ASCI (Accelerated Strategic Computing Initiative) is an initiative of Defense Programs at the U.S. Department of Energy, in collaboration with Lawrence Livermore National Laboratory, Los Alamos National Laboratory and Sandia National Laboratories.
The ASCI Project aims at verifying the safety, reliability, and performance of the U.S. nuclear stockpile by shifting from nuclear test based methods to computer simulations based methods.
Accelerated Strategic Computing Initiative -- Its grid securely connects three U.S. Department of Energy (DOE) Labs, including Sandia National Labs, Lawrence Livermore National Lab and Los Alamos National Lab.
www.auditmypc.com /acronym/ASCI.asp   (217 words)

  
 Computing Research in the FY 2000 Budget
A current concern is that the computational resources available for civilian research are not on par with those available to researchers working on defense-related problems, in particular, those associated with the Department of Energy's Accelerated Strategic Computing Initiative (ASCI).
The objectives of SSI would be to: design, develop, and deploy computational simulation capabilities to solve scientific and engineering problems of extraordinary complexity; discover, develop, and deploy crosscutting computer science, applied mathematics, and other enabling technologies; and establish a national terascale distributed scientific simulation infrastructure.
With its initiative funding, NOAA would address important challenges in the development and implementation of climate and weather applications for advanced computer architectures, pushing the state of the art in the use of advanced high-speed computing, visualization, and data communications for these applications.
www.cra.org /Policy/budget/budget00/budget.html   (1751 words)

  
 Computing Research in the FY 2001 Budget Request
The mix of federally supported computing activities is dominated by several high-profile programs and coordinated multiagency efforts in which computing, computational, information, and networking research are tightly interwoven.
Within the context of this partnership, strategic federal investments in computing research drive precompetitive innovation and stimulate revolutionary advances in information technologies; improve the accessibility, robustness, reliability, and security of information infrastructure; and provide high-end computational and networking resources for government and university scientists working on problems of national importance.
CISE would also expand activities in support of another NSF-wide research initiative, the Nanoscale Science and Engineering initiative; $5 million would be spent in FY 2001 in the following areas: quantum computing; self-assembly of biomolecular computer components; algorithms for extracting signals from noise in atomic force microscopy; nano-robotics; design automation tools; and nanoscale cellular automata.
www.cra.org /govaffairs/budget/fy2001/computing01.html   (1262 words)

  
 Chap. 23 - Computing Research in the FY 2000 Budget
High Performance Computing and Communications (HPCC) and Next Generation Internet (NGI): The FY 2000 budget document includes a list of spending plans for selected computing, computational, and communications research programs in various agencies; the aggregate of these programs is identified as HPCC, and includes NGI funding (see Table I-10).
The objectives of SSI would be to: design, develop, and deploy computational simulation capabilities to solve scientific and engineering problems of extraordinary complexity; discover, develop, and deploy crosscutting computer science, applied mathematics, and other enabling technologies; and establish a national terascale computing infrastructure.
DOE would initially focus on two major simulation projects that are critical to the agency's mission, have urgent deadlines, are of high scientific impact, and are well positioned to take advantage of terascale computing capabilities: global systems and combustion systems.
www.aaas.org /spp/rd/xxiv/chap23.htm   (1739 words)

  
 Disarmament Diplomacy: - DOE Supercomputing & Test Simulation Programme
The computer is part of the NNSA's Accelerated Strategic Computing Initiative (ASCI).
The successful weapons effects simulation recently completed by SNL, the first-ever 3-D computer simulation of the survivability of a strategic weapon as it encounters the radiation and blast wave that would be expected as part of a nuclear exchange.
Along with these computing milestones, the Compaq contract represents significant progress in the department's efforts to move stewardship of the nation's nuclear weapons from its 50-year foundation in nuclear testing to one based on science and simulation.
www.acronym.org.uk /textonly/dd/dd49/49doe.htm   (846 words)

  
 CNN.com - Technology - Compaq to build 'fastest' supercomputer - August 24, 2000
The new computer will be housed at the new Strategic Computing Complex at the NNSA's Los Alamos National Laboratory in Los Alamos, New Mexico.
The computer will require more than 21,000 square feet of space and will be coupled together with more than 6,000 fiber and copper cables.
The IBM computer, which will be fully operational later this year, is capable of 12.3 trillion operations per second.
edition.cnn.com /2000/TECH/computing/08/24/doe.supercomputer.idg   (740 words)

  
 Nuke systems get $2 5b in race against time
The scientists who designed the nation's nuclear weapons are aging right along with the weapons, said Gilbert Weigand, deputy assistant secretary for strategic computing and simulation.
The department wants a computer capable of 100 trillion floating-point operations per second developed by 2004, when half the weapons in the U.S. nuclear stockpile will have aged beyond their design lifetimes.
The three Energy-funded research laboratories involved in the accelerated computing initiative are Lawrence Livermore National Laboratory in California and the Los Alamos and Sandia National Laboratories in New Mexico.
www.gcn.com /print/17_11/33984-1.html   (560 words)

  
 ASCI Red - Wikipedia, the free encyclopedia
The project was a collaboration between Intel corporation and Sandia Labs, as part of the U.S. Government's Accelerated Strategic Computing Initiative (ASCI).
It is a mesh-based (38 X 32 X 2) MIMD massively-parallel processing machine consisting of 4,510 compute nodes, 1212 gigabyte of total distributed memory and 12.5 terabyte of disk storage.
The compute partition processors run Sandia's very light-weight "Cougar" operating system which traces its heritage back to the SUNMOS kernel developed for the compute nodes of the Paragon.
en.wikipedia.org /wiki/ASCI_Red   (313 words)

  
 Accelerated Strategic Computing Initiative (ASCI)-State-of-the-art visualization hardware, leading-edge visualization ...   (Site not responding. Last check: 2007-11-03)
Advanced computations, specifically three-dimensional modeling and simulation capability, are viewed as the backbone of stockpile stewardship--safe and reliable maintenance of the nation's nuclear arsenal in the absence of nuclear testing.
But tera-scale computing will also provide a commercial platform for medical simulations, global climate modeling, aerospace and automotive design and other applications that could have a significant impact on American competitiveness and quality of life.
The ASCI program is implemented by project leaders at each of the laboratories, guided by the Office of Strategic Computing and Simulation under the Assistant Secretary for Defense Programs.
www.scitechresources.gov /Results/show_result.php?rec=2027   (269 words)

  
 Distributed and High-Performance Computing References
Publications of the U.S. High Performance Computing and Communications program, such as the HPCC Blue Book, give information on HPCC projects in the U.S. Other U.S. initiatives include the National Partnership for Advanced Computing Infrastructure (NPACI), National Computational Science Alliance (NCSA), and the Accelerated Strategic Computing Initiative (ASCI).
Educational material for computational science and parallel computing from Syracuse University.
Ian Foster and Carl Kesselman eds., ``The Grid: Blueprint for a New Computing Infrastructure'', Morgan Kaufmann, 1998.
www.dhpc.adelaide.edu.au /education/CS7933/2000/references.html   (653 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
The ASCI program was established to create the computational modeling and simulation capabilities essential to shift from nuclear and nonnuclear test-based methods of assessment and certification to computation-based stewardship of the enduring nuclear stockpile.
Distance computing emphasizes remote access to the ASCI-class supercomputers for capability computations, where the goal is to provide maximum resources to a single computation.
Distributed computing emphasizes remote access to other distributed resources for capacity computations, where the goal is to provide some resources to the maximum number of computations.
www-unix.mcs.anl.gov /~laszewsk/datorr/projects/DisCom2.xml.html   (344 words)

  
 Keynote Speakers   (Site not responding. Last check: 2007-11-03)
His recent interests focus on advanced computer architectures, especially their application to large-scale computations in science and engineering.
He established and led the Scalable I/O Initiative (SIO), a large scale-effort to address input/output scalability issues in large-scale computing; the SIO had over 15 participating institutions.
He is a member of the IEEE Computer Society, the American Association for the Advancement of Science, ACM, the Society for Industrial and Applied Mathematics, and Sigma Xi.
www.imr.sandia.gov /keynotes.html   (353 words)

  
 Welcome to Flow Physics and Computational Engineering
FPCE is contributing new theories, models and computational tools for accurate engineering design analysis and control of complex flows (including acoustics, chemical reactions, interactions with electromagnetic waves, plasmas, and other phenomena) of interest in aerodynamics, electronics cooling, environmental engineering, materials processing, planetary entry, propulsion and power systems, and other areas.
The FPCE faculty teach graduate and undergraduate courses in acoustics, aerodynamics, computational fluid mechanics, computational mathematics, fluid mechanics, combustion, and thermodynamics and propulsion
FPCE is closely connected with the Center for Turbulence Research (CTR), an internationally recognized institution for fundamental research on turbulence, and the Center for Integrated Turbulence Simulations (CITS), a multidisciplinary organization established in 1997 to develop a comprehensive program on gas turbine engines under the Department of Energy's Accelerated Strategic Computing Initiative.
www.stanford.edu /group/fpc/AboutFPC/AboutFPC.html   (208 words)

  
 Welcome to Stanford Flow Physics & Computation
FPC is contributing new theories, models and computational tools for accurate engineering design analysis and control of complex flows (including acoustics, chemical reactions, interactions with electromagnetic waves, plasmas, and other phenomena) of interest in aerodynamics, electronics cooling, environmental engineering, materials processing, planetary entry, propulsion and power systems, and other areas.
The FPC faculty teach graduate and undergraduate courses in acoustics, aerodynamics, computational fluid mechanics, computational mathematics, fluid mechanics, combustion, and thermodynamics and propulsion
FPC is closely connected with the Center for Turbulence Research (CTR), an internationally recognized institution for fundamental research on turbulence, and the Center for Integrated Turbulence Simulations (CITS), a multidisciplinary organization established in 1997 to develop a comprehensive program on gas turbine engines under the Department of Energy's Accelerated Strategic Computing Initiative.
www-fpc.stanford.edu /AboutFPC/AboutFPC.html   (204 words)

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