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2,126 Matching Results
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OpenMP for Accelerators
OpenMP [13] is the dominant programming model for shared-memory parallelism in C, C++ and Fortran due to its easy-to-use directive-based style, portability and broad support by compiler vendors. Similar characteristics are needed for a programming model for devices such as GPUs and DSPs that are gaining popularity to accelerate compute-intensive application regions. This paper presents extensions to OpenMP that provide that programming model. Our results demonstrate that a high-level programming model can provide accelerated performance comparable to hand-coded implementations in CUDA.
Date:
March 15, 2011
Creator:
Beyer, J C; Stotzer, E J; Hart, A & de Supinski, B R
Object Type:
Article
System:
The UNT Digital Library
Employee Stock Options: Tax Treatment and Tax Issues
None
Date:
June 15, 2012
Creator:
Bickley, James M.
Object Type:
Report
System:
The UNT Digital Library
American Jihadist Terrorism: Combating a Complex Threat
This report describes homegrown violent jihadists and the plots and attacks that have occurred since 9/11. For this report, "homegrown" and "domestic" are terms that describe terrorist activity or plots perpetrated within the United States or abroad by American citizens, legal permanent residents, or visitors radicalized largely within the United States. The report also discusses the radicalization process and the forces driving violent extremist activity. It analyzes post-9/11 domestic jihadist terrorism and describes law enforcement and intelligence efforts to combat terrorism and the challenges associated with those efforts. It also outlines actions underway to build trust and partnership between community groups and government agencies and the tensions that may occur between law enforcement and engagement activities.
Date:
November 15, 2011
Creator:
Bjelopera, Jerome P.
Object Type:
Report
System:
The UNT Digital Library
Domestic Terrorism Appears to Be Reemerging as a Priority at the Department of Justice
This document examines an apparent shift in priorities at the Department of Justice (DOJ) towards a renewed focus on domestic terrorism with the reestablishment of its Domestic Terrorism Executive Committee, which had been defunct for several years. The report considers why the shift in focus may be occurring and also briefly examines different types of domestic terror threats.
Date:
August 15, 2014
Creator:
Bjelopera, Jerome P.
Object Type:
Report
System:
The UNT Digital Library
The Domestic Terrorist Threat: Background and Issues for Congress
In the last decade, domestic terrorists-people who commit crimes within the homeland and draw inspiration from U.S.-based extremist ideologies and movements-have killed American citizens and damaged property across the country. Not all of these criminals have been prosecuted under terrorism statutes. This report discusses domestic terrorism's significance to policymakers per five topics: level of activity, use of nontraditional tactics, exploitation of the internet, decentralized nature of the threat, and prison radicalization. The report also discusses three areas that Congress may consider the federal role of combating such activities: the issue of definitions, adequacy of domestic terrorism intelligence collection efforts, and the value of community outreach driven efforts to quell terrorism related radicalization in the United States.
Date:
May 15, 2012
Creator:
Bjelopera, Jerome P.
Object Type:
Report
System:
The UNT Digital Library
Armed Conflict in Syria: Overview and U.S. Response
This report discusses the continuing conflict in Syria including recent regime losses in confrontations with forces of the Islamic State (IS, aka the Islamic State of Iraq and the Levant or ISIL/ISIS) in northeastern Syria. The report also covers U.S. policy responses to the conflict.
Date:
July 15, 2015
Creator:
Blanchard, Christopher M.; Humud, Carla E. & Nikitin, Mary Beth D.
Object Type:
Report
System:
The UNT Digital Library
The U.N. Convention on the Elimination of All Forms of Discrimination Against Women (CEDAW): Issues in the U.S. Ratification Debate
This report provides an overview of the Convention on the Elimination of All Forms of Discrimination Against Women (CEDAW) and describes its background, objectives, and structure, including the role of the Convention's monitoring body, the CEDAW Committee. It examines U.S. policy and issues in the U.S. ratification debate, including the Convention's possible impact on U.S. sovereignty, its effectiveness in combating discrimination, and its role as an instrument of U.S. foreign policy.
Date:
April 15, 2011
Creator:
Blanchfield, Luisa
Object Type:
Report
System:
The UNT Digital Library
The United Nations Human Rights Council: Issues for Congress
This report provides historical background of the Council, including the role of the previous Commission. It discusses the Council's current mandate and structures, as well as U.S. policy and congressional actions. Finally, it highlights possible policy issues for the 112th Congress, including the overall effectiveness of the Council in addressing human rights, implications for U.S. membership, and U.S. financial contributions to the Council.
Date:
November 15, 2011
Creator:
Blanchfield, Luisa
Object Type:
Report
System:
The UNT Digital Library
United Nations Reform: Background and Issues for Congress
This report examines reform priorities from the perspective of several key actors, including Members of Congress, the Obama Administration, selected member states, the U.N. Secretary-General, and a cross-section of groups tasked with addressing U.N. reform. It also discusses congressional actions related to U.N. reform and mechanisms for implementing reform, as well as possible challenges facing U.S. policy makers as they consider existing and future U.N. reform efforts.
Date:
May 15, 2015
Creator:
Blanchfield, Luisa
Object Type:
Report
System:
The UNT Digital Library
New Prospects in High Energy Astrophysics
Recent discoveries using TeV, X-ray and radio telescopes as well as Ultra High Energy Cosmic Ray arrays are leading to new insights into longstanding puzzles in high energy astrophysics. Many of these insights come from combining observations throughout the electromagnetic and other spectra as well as evidence assembled from different types of source to propose general principles. Issues discussed in this general overview include methods of accelerating relativistic particles, and amplifying magnetic field, the dynamics of relativistic outflows and the nature of the prime movers that power them. Observational approaches to distinguishing hadronic, leptonic and electromagnetic outflows and emission mechanisms are discussed along with probes of the velocity field and the confinement mechanisms. Observations with GLAST promise to be very prescriptive for addressing these problems.
Date:
November 15, 2011
Creator:
Blandford, Roger
Object Type:
Article
System:
The UNT Digital Library
Features, Events and Processes for the Used Fuel Disposition Campaign
The Used Fuel Disposition (UFD) Campaign within DOE-NE is evaluating storage and disposal options for a range of waste forms and a range of geologic environments. To assess the potential performance of conceptual repository designs for the combinations of waste form and geologic environment, a master set of Features, Events, and Processes (FEPs) has been developed and evaluated. These FEPs are based on prior lists developed by the Yucca Mountain Project (YMP) and the international repository community. The objective of the UFD FEPs activity is to identify and categorize FEPs that are important to disposal system performance for a variety of disposal alternatives (i.e., combinations of waste forms, disposal concepts, and geologic environments). FEP analysis provides guidance for the identification of (1) important considerations in disposal system design, and (2) gaps in the technical bases. The UFD FEPs also support the development of performance assessment (PA) models to evaluate the long-term performance of waste forms in the engineered and geologic environments of candidate disposal system alternatives. For the UFD FEP development, five waste form groups and seven geologic settings are being considered. A total of 208 FEPs have been identified, categorized by the physical components of the waste disposal system …
Date:
December 15, 2010
Creator:
Blink, J. A.; Greenberg, H. R.; Caporuscio, F. A.; Houseworth, J. E.; Freeze, G. A.; Mariner, P. et al.
Object Type:
Article
System:
The UNT Digital Library
The Disposal Systems Evaluation Framework for DOE-NE
The Used Fuel Disposition (UFD) Campaign within DOE-NE is evaluating storage and disposal options for a range of waste forms and a range of geologic environments. For each waste form and geologic environment combination, there are multiple options for repository conceptual design. The Disposal Systems Evaluation Framework (DSEF) is being developed to formalize the development and documentation of options for each waste form and environment combination. The DSEF is being implemented in two parts. One part is an Excel workbook with multiple sheets. This workbook is designed to be user friendly, such that anyone within the UFD Campaign can use it as a guide to develop and document repository conceptual designs that respect thermal, geometric, and other constraints. The other part is an Access relational database file that will be centrally maintained to document the ensemble of conceptual designs developed with individual implementations of the Excel workbook. The DSEF Excel workbook includes sheets for waste form, environment, geometric constraints, engineered barrier system (EBS) design, thermal, performance assessment (PA), materials, cost, and fuel cycle system impacts. Each of these sheets guides the user through the process of developing internally consistent design options, and documenting the thought process. The sheets interact with …
Date:
December 15, 2010
Creator:
Blink, J. A.; Greenberg, H. R.; Halsey, W. G.; Jove-Colon, C.; Nutt, W. M. & Sutton, M.
Object Type:
Article
System:
The UNT Digital Library
Centers for Medicare & Medicaid Services (CMS) Proposed Rule on Medicaid Managed Care: Frequently Asked Questions
This report responds to a series of frequently asked questions (FAQs) identified to address some of the major updates included in the proposed rule. The FAQs summarize provisions such as the introduction of a minimum medical loss ratio (MLR), guidance on enrolling the long-term services and supports (LTSS) population in managed care, and network adequacy.
Date:
July 15, 2015
Creator:
Blom, Kirstin B.
Object Type:
Report
System:
The UNT Digital Library
R- and P- Reactor Building in-Situ Decomissioning Visualization
During the early 1950s, five production reactor facilities were built at the Savannah River Site. These facilities were built to produce materials to support the building of the nation's nuclear weapons stockpile in response to the Cold War. R-Reactor and P-Reactor were the first two facilities completed in 1953 and 1954.
Date:
June 15, 2010
Creator:
Bobbitt, J.; Vrettos, N. & Howard, M.
Object Type:
Article
System:
The UNT Digital Library
Instream Flows Research and Validation Methodology Framework 2016-2017: Colorado and Lavaca Rivers
Report on understanding flow-ecology responses and addressing questions and concerns raised during the SB 3 process, including recommendations for continued evaluations, additional surveys, and the establishment of direct ecological responses.
Date:
August 15, 2017
Creator:
Bonner, Timothy H. (Timothy Hallman), 1969- & Duke, Jacquelyn R.
Object Type:
Report
System:
The Portal to Texas History
Instream Flows Research and Validation Methodology Framework 2016-2017
Report on environmental flow for the Brazos area on accurately depicting flow standards for the Brazos and other basins.
Date:
August 15, 2017
Creator:
Bonner, Timothy; Duke, Jacquelyn & Guillen, George
Object Type:
Report
System:
The Portal to Texas History
Implementation and Performance of the Tau Trigger in the ATLAS Experiment
Triggering on hadronic taus at the LHC is a difficult task due to the high rate and occupancy of the events. On the other hand, the tau trigger increases the discovery potential of ATLAS in many physics channels, among others the Standard Model or SuperSymmetric Higgs (charged or neutrals) production. In order to cope with the rate and optimize the efficiency on important physics channels, the results of the current simulation studies indicate that the ATLAS tau trigger should be used either with relatively high transverse momentum thresholds alone, or with more relaxed threshold requirements in combination with other triggers, like the missing transverse energy trigger or a leptonic or jet trigger. In this contribution we describe the ATLAS tau trigger, and we present some of the current results from the simulation studies, focusing both on early physics and on physics at high luminosity.
Date:
November 15, 2011
Creator:
Bosman, M.; Casado, P.; /Barcelona, IFAE; Dam, M.; U., /Copenhagen; Demers, S. et al.
Object Type:
Article
System:
The UNT Digital Library
N >= 4 Supergravity Amplitudes from Gauge Theory at Two Loops
We present the full two-loop four-graviton amplitudes in N = 4, 5, 6 supergravity. These results were obtained using the double-copy structure of gravity, which follows from the recently conjectured color-kinematics duality in gauge theory. The two-loop four-gluon scattering amplitudes in N = 0, 1, 2 supersymmetric gauge theory are a second essential ingredient. The gravity amplitudes have the expected infrared behavior: the two-loop divergences are given in terms of the squares of the corresponding one-loop amplitudes. The finite remainders are presented in a compact form. The finite remainder for N = 8 supergravity is also presented, in a form that utilizes a pure function with a very simple symbol.
Date:
February 15, 2012
Creator:
Boucher-Veronneau, C. & Dixon, L. J.
Object Type:
Article
System:
The UNT Digital Library
KONGMING: Performance Prediction in the Cloud via Multidimensional Interference Surrogates
None
Date:
January 15, 2014
Creator:
Bowen, Z; Bronevetsky, G; Casas-Guix, M & Bagchi, S
Object Type:
Report
System:
The UNT Digital Library
Experimental Investigation of Excited-State Lifetimes in Atomic Ytterbium
Lifetimes of 21 excited states in atomic Yb were measured using time-resolved fluorescence detection following pulsed laser excitation. The lifetime of the 4f{sup 14}5d6s {sup 3}D{sub 1} state, which is of particular importance for a proposed study of parity nonconservation in atoms, was measured to be 380(30) ns.
Date:
November 15, 2011
Creator:
Bowers, C. J.; Budker, D.; Commins, E. D.; DeMille, D.; Freedman, S. J.; Nguyen, A. -T. et al.
Object Type:
Article
System:
The UNT Digital Library
FY2014 Appropriations: District of Columbia
This report discusses the FY2014 budget request, general provisions and key policy issues.
Date:
October 15, 2013
Creator:
Boyd, Eugene
Object Type:
Report
System:
The UNT Digital Library
Wildfire Protection in the Wildland-Urban Interface
Report that describes the growth of the wildland-urban interface, wildfire suppression efforts, post-fire responses, and especially the programs and options for protecting the interface before the next wildfire strikes.
Date:
May 15, 2013
Creator:
Bracmort, Kelsi
Object Type:
Report
System:
The UNT Digital Library
The Federal Minimum Wage: In Brief
This report discusses the minimum wage provisions of the Fair Labor Standards Act (FLSA), which is the federal legislation that establishes the minumem hourly wage that ust be paid to all covered workers.
Date:
January 15, 2015
Creator:
Bradley, David H.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Alumina-Forming Austenitic Stainless Steel Alloys in Microturbines
Oak Ridge National Laboratory (ORNL) and Capstone Turbine Corporation (CTC) participated in an in-kind cost share cooperative research and development agreement (CRADA) effort under the auspices of the Energy Efficiency and Renewable Energy (EERE) Technology Maturation Program to explore the feasibility for use of developmental ORNL alumina-forming austenitic (AFA) stainless steels as a material of construction for microturbine recuperator components. ORNL delivered test coupons of three different AFA compositions to CTC. The coupons were exposed in steady-state elevated turbine exit temperature (TET) engine testing, with coupons removed for analysis after accumulating ~1,500, 3,000, 4,500, and 6,000 hours of operation. Companion test coupons were also exposed in oxidation testing at ORNL at 700-800°C in air with 10% H2O. Post test assessment of the coupons was performed at ORNL by light microscopy and electron probe microanalysis. The higher Al and Nb containing AFA alloys exhibited excellent resistance to oxidation/corrosion, and thus show good promise for recuperator applications.
Date:
September 15, 2010
Creator:
Brady, M.P. & Matthews, W.J. (Capstone Turbine Corp.)
Object Type:
Report
System:
The UNT Digital Library