ASCR Program Documents

Provided below is a listing of relevant articles, plans and ASCR-sponsored workshop reports.

Select this link to view the ASCR Program Documents Archive

Market Research Study: Applications of ASCR HPC

The ASCR program has developed hundreds of software tools for high performance computing (HPC). DOE is interested in making its HPC software portfolio available to the public in order to maximize the value of what has been developed. This document, organized by the name of the ASCR-funded software, provides illustrations of how a sample of these tools have been used to advance industry applications. This report was funded by DOE through a contract for Phase 0 Outreach and Assistance for the Small Business Innovation Research/Small Business Technology Transfer Programs Office.

Report: June, 2022

Envisioning Science in 2050

To explore future-focused questions that could impact the future of DOE, a Community of Interest (COI) on Future Scientific Methodologies, sponsored by the Office of Advanced Scientific Computing Research (ASCR), was held over three non-consecutive days in November 2020. The COI’s charge was to create a vision for how future computational fabrics might shape, and be shaped by, scientific and technological advances over the next 10 to 30 years. 

Workshop Brochure: March 22, 2022

Basic Research Needs for the Science of Scientific-Software Development and Use

In December 2021, ASCR convened a workshop on basic research needs for the Science of Scientific Software Development and Use (SSSDU). Workshop participants identified three priority research directions (PRDs) and three important crosscutting themes that center on the following overarching insight: software has become an essential part of modern science that impacts new discovery, policy, and technological development. To have full confidence in science delivered via software, we must improve the processes and tools that help us create and use it, and this enhancement requires a deep understanding of the diverse array of teams and individuals doing the work.

Workshop Brochure: January 1, 2022

Roundtable Report: Parallel Discrete Event Simulation (PDES)

In September 2021, ASCR convened a roundtable to discuss computer-science research needs for Parallel Discrete Event Simulation (PDES). This report presents a sample of important applications with their inherent discrete event technology elements. Needs are outlined in core areas of parallel discrete event research as well as cross-cutting directions in computer-science research that positively impact scientific advancements across several important application areas. Priority research opportunities in advanced computing for PDES are identified.

View Report: May 11, 2022

workshop on Reimagining Codesign

Workshop on Reimagining Codesign

In March 2021, DOE’s Advanced Scientific Computing Research convened the Workshop on Reimagining Codesign. Codesign in High Performance Computing and Artificial Intelligence has been critical to the design and implementation of contemporary computer architectures. The process of codesign must be reimagined to be continuous, agile, and secure to reflect the new reality of rapid change in both workloads and architectures. The workshop was organized around discussions on eight topic areas, and from these, four priority research directions were identified.

Workshop Brochure: March, 2022 | Workshop Report

Roundtable Report

Visualization for Scientific Discovery, Decision-Making, and Communication

Department of Energy’s (DOE) Office of Advanced Scientific Computing Research (ASCR) sponsored a Basic Research Needs workshop in January 2022 to understand the major opportunities and grand challenges in visualization tools and technologies for scientific computing, with a special focus on DOE-relevant applications and goals. The workshop identified five priority research directions (PRDs) for visualization to support scientific discovery, decision-making, and communication.

Workshop Brochure: January 1, 2022

Roundtable Report

Basic Research Needs for Management and Storage of Scientific Data

In January 2022, ASCR convened a workshop to identify priority research directions in the area of data management for high-performance and scientific computing. Attendees were challenged to identify promising approaches that would support the breadth of the DOE mission, including the explosion of artificial intelligence (AI) uses and the growing needs of experimental and observational science. Technological and science drivers were identified and considered as they relate to key aspects of data management such as interfaces, architectural design, and FAIR principles (Findable, Accessible, Interoperable, and Reusable).

Workshop Brochure: January 1, 2022

Roundtable Report

ASCR Workshop on Randomized Algorithms for Scientific Computing

This report summarizes the outcomes of the ASCR workshop on "Randomized Algorithms for Scientific Computing (RASC)" held virtually across four days in December 2020 and January 2021. Randomized algorithms have enabled significant advances in artificial intelligence (AI) and represent a foundational research area in advancing AI for Science. Future advancements in DOE Office of Science priority areas such as climate science, advanced materials, combustion, and quantum computing all require randomized algorithms for surmounting challenges of computational complexity, robustness, and scalability.

Workshop Report: April 1, 2021

Roundtable Report

Roundtable Report: Terahertz and 6G Wireless Communications in Science and Extreme Environments

The main objective of the roundtable is to explore the potential of Terahertz (THz) and 6G communications in extreme environments such as industrial, manufacturing, and large critical scientific facilities (for example, light sources, accelerators, high-performance computers, data centers, neutron sources, etc.). In contrast to commercial wireless networks (5G included), which are optimized for best-effort broadband voice and Internet of Things (IoT) services.

Report October 1, 2020

Roundtable Report

Office of Science User Facilities Roundtable December 2–15, 2020

In December 2020, the U.S. Department of Energy Office of Science convened a virtual Roundtable of its scientific user facilities to discuss facility challenges and lessons learned during the COVID-19 pandemic as well as facility responses, best practices, and innovations that could be adopted going forward. Roundtable participants included facility staff, users, and user executive committee chairs. This report summarizes their discussions, which encompassed topics such as user research and facility operations in virtual and physically distanced contexts; user training and engagement; computation, data, and network resources; and crosscutting issues.

PDF of this Report Report Date: July 2021


Cal Amm

Abstract Machine Models and Proxy Architectures for Exascale Computing

In this report our goal is to provide the application development community with a set of models that can help software developers prepare for exascale. In addition, use of proxy architectures, through the use of proxy architectures, we can enable a more concrete exploration of how well application codes map onto the future architectures.



Exascale Software Productivity Workshop Report

DOE workshop on Software Productivity for eXtreme-scale Science (SWP4XS)

This report presents results from the DOE workshop on Software Productivity for eXtreme-scale Science (SWP4XS) held January 13-14, 2014, in Rockville, MD. The workshop brought together approximately fifty experts in the development of large-scale scientific applications, numerical libraries, and computer science infrastructure to determine how to address the growing crisis in software productivity caused by disruptive changes in extreme-scale computer architectures.


2014 Workshop on Programming Abstractions for Data Locality

The purpose of the Workshop on Programming Abstractions for Data Locality (PADAL) was to identify common themes and standardize concepts for locality-preserving abstractions for exascale programming models.


EMWG Report

Applied Mathematics Research for Exascale Computing

This report details the findings and recommendations of the DOE ASCR Exascale Mathematics Working Group that was chartered to identify mathematics and algorithms research opportunities that will enable scientific applications to harness the potential of exascale computing. The working group organized a workshop, held August 21-22, 2013 in Washington, D.C., to solicit input from over seventy members of the applied mathematics community. Research gaps, approaches, and directions across the breadth of applied mathematics were discussed, and this report synthesizes these perspectives into an integrated outlook on the applied mathematics research necessary to achieve scientific breakthroughs using exascale systems.


ASKD Report Cover

Accelerating Scientific Knowledge Discovery (ASKD) Working Group Report

Sustained scientific progress over the next decade and beyond will require new advanced discovery ecosystems quite different from the computational and collaborative environments in which most research is performed today. These systems will need to connect increasing numbers of scientists, enable use of data and computational services at unprecedented scales, foster scientific discoveries based on ever more complex cross-disciplinary hypotheses, facilitate the immediate sharing and exchange of existing and emerging knowledge, and provide mechanisms for timely control of and feedback to instruments and simulations. To achieve this goal requires computer science research advances in multiple areas.


Data Crosscutting Requirements Review Cover

Data Crosscutting Requirements Review

In April 2013, a diverse group of researchers from the U.S. Department of Energy (DOE) scientific community assembled in Germantown, Maryland to assess data requirements associated with DOE-sponsored scientific facilities and large-scale experiments.


HEP ASCR data summit

2013 report of HEP/ASCR Data Summit

Representatives from the HEP and ASCR communities met at Germantown on April 2-3, 2013, to discuss issues in carrying out science with large datasets and associated data-intensive computing tasks. The authors of this report acknowledge the important contributions made by all of the ASCR and HEP participants at the data summit and thank them for their efforts.


ModSim report

ASCR Modeling and Simulation of Exascale Systems and Applications Workshop

A new process of “Co-Design” is being pursued in which application and computer scientists work toward the common goal of an exascale ecosystem of systems and applications. Modeling and simulation (ModSim) is a critical part of this process.


ASCAC Report

DOE ASCR Advisory Committee (ASCAC) Data Subcommittee Report,

Synergistic Challenges in Data-Intensive Science and Exascale Computing.
This new report discusses the natural synergies among the challenges facing data-intensive science and exascale computing, including the need for a new scientific workflow.


ASCR Summit

Summary of Data Requirements for NERSC

Department of Energy Scientists represented by the NERSC user community have growing requirements for data storage, I/O bandwidth, networking bandwidth, and data software and services. Over the next five years, these requirements are well above what would be provided by increases that follow historical trends. This report focuses primarily on the data needs of the modeling and simulation community.


OS/R Report


OS/R Report


Link to the report...

Architectures II Workshop Report
Fault Management Workshop


Architectures II Workshop Report


Link to the report...

Exascale Tools Workshop Report


Exascale Tools Workshop Report


Link to the report...



Geant4 Workshop


Link to the report...

ASCR/BES Data Workshop 2011

Report of the ASCR/BES Data Workshop 2011


Extreme Scale Solvers Workshop 2012

Report of the Extreme Scale Solvers Workshop, March 8-9, 2012

Transition to Future Architectures


Magellan Report Cuts Through Cloud Computing Hype

The Recovery Act funded Magellan project documents the pros and cons of scientific usage of cloud computing in their final report. Within a few weeks industry press and blogs from around the world took notice.

Multifaceted Mathematical Approach for Complex Systems

Report of the DOE Workshop on Mathematics for the Analysis, Simulation, and Optimization of Complex Systems September 13–14, 2011

A Multifaceted Mathematical Approach for Complex Systems

Extreme Scale Science

Scientific Collaborations for Extreme-Scale Science Workshop Report

Scientific Collaborations for Extreme-Scale Science Workshop Report Extreme‐scale science is not simply about facilities. It inevitably also requires the exponential acceleration of progress that can be achieved when many differing intellects attack challenges collaboratively. The Scientific Collaborations for Extreme‐Scale Science Workshop, held December 6–7, 2011 in Gaithersburg, Maryland, focused on a strategic vision of how collaboration can be enabled, and on the research and development that will turn the vision into reality.

Exascale Programming Challenges Workshop Report

Exascale Programming Challenges Workshop Report

The workshop for programming models, languages, compilers and runtime systems for exascale machines was held in July, 2011. The goal was to identify the challenges in each of these areas, the promising approaches, and measures to assess progress. The participants in the workshop articulated the research challenges in programming support for anticipated exascale systems, including specifying what is known and what remains uncertain.

Report Cover

Exascale Workshop on Data Analysis, Management, and Visualization

The workshop goal was to identify the research and production directions that the Data Management, Analysis, and Visualization (DMAV) community must take to enable scientific discovery for HPC as it approaches the exascale.

ASCAC Subcommittee Report: The Opportunities and Challenges of Exascale Computing

Computational modeling, simulation, prediction, and control at exascale offer the prospect of transformative progress in energy, national security, the environment, and our economy, and for fundamental scientific questions. Although the path to exascale necessarily involves numerous complex challenges, the almost-certain benefits far outweigh the costs.

Scientific Grand Challenges: Cross-Cutting Technologies for Computing at the Exascale Workshop

The Cross-cutting Technologies for Computing at the Exascale workshop report from the Grand Challenges Series of workshops. The workshop took place February 2-4, 2010 in Washington, DC.

Scientific Grand Challenges: Architectures and Technology for Extreme Scale Computing

The Architectures and Technology workshop report from the Grand Challenges Series of workshops. The workshop took place December 8-10, 2009 in San Diego, CA.

Scientific Grand Challenges: Discovery in Basic Energy Sciences: The Role of Computing at the Extreme Scale

The BES workshop report from the Grand Challenges Series of workshops. The workshop took place August 13-15, 2009 in Washington D.C.

Workshop on Computational Science and Chemistry for Innovation

The workshop was held July 26-27, 2010 in Bethesda MD to assess the potential of state-of-the-art computer simulations to accelerate understanding and discovery in materials science and chemistry, with a focus on potential impacts in energy technologies and innovation.

Scientific Grand Challenges in National Security: The Role of Computing at the Extreme Scale

The NNSA workshop report from the Grand Challenges Series of workshops. This workshop was held October 6-8, 2009 in Washington D.C.

Scientific Grand Challenges: Exascale Workshop Panel Meeting Report

Workshop report from a panel of 12 scientists and engineers with experience in government, universities, national labs and industry. The panel met January 2010 in Washington, D.C. to review reports prepared to document the need for a new generation of extreme-computing capability for the DOE's missions.

Scientific Grand Challenges: Fusion Energy Sciences and the Role of Computing at the Extreme Scale

Fusion Energy Workshop report from the Grand Challenges Series of Workshops that took place in Washington, DC, March 18-20, 2009.

Scientific Grand Challenges: Opportunities in Biology at the Extreme Scale of Computing

Workshop report from the Grand Challenges Series of Workshops that took place in Chicago, IL, August 17-19, 2009.

Scientific Grand Challenges: Challenges for the Understanding the Quantum Universe and the Role of Computing at the Extreme Scale

Workshop report from the Grand Challenges Series of Workshops that took place at SLAC in Menlo Park, CA, December 9-11, 2008.

Scientific Grand Challenges: Forefront Questions in Nuclear Science and the Role of Computing at the Extreme Scale

Workshop report from the Grand Challenges Series of Workshops that took place in Washington DC, January 26-28, 2009.

International Exascale Software Project - A Roadmap


Modeling, Simulation and Analysis of Complex Networked Systems: A Program Plan

This white paper outlines plans for an aggressive new research program designed to accelerate the advancement of the scientific basis for complex networked systems of importance to the DOE.

Scientific Grand Challenges: Science Based Nuclear Energy Systems Enabled by Advanced Modeling and Simulation at the Extreme Scale

Workshop report from the Grand Challenges Series of Workshops that took place in Washington DC May 11-12, 2009.

Scientific Grand Challenges: Challenges in Climate Change Science and the Role of Computing at the Extreme Scale

Final report from the first of the Grand Challenges Series of Workshops that took place in Washington DC November 6-7, 2008.

Workshop on Computer Science/Applied Math Institutes and High Risk / High Payoff Technologies for Applications

The workshop focused on two aspects or tracks. One was how the Applied Mathematics and Computer Science communities could help make potential high risk/high payoff areas in their application domains a reality. Since the concept of joint math and CS institutes is a a new one, the second track focused on how the community's could create, develop, and manage joint CS/Math Institutes.

MidRange Computing in Support of Science at Office of Science Labs

A report containing the summary of the status of midrange computing efforts at the ten Office of Science Laboratories.

A Scientific Research & Development Approach to Cyber Security

A community of scientists, technical experts and executives from DOE National Labs, universities, other Federal agencies and industry collaborated to develop a science-based, systems level case for a new, transformational approach to cyber security. The report identifies and analyzes R&D opportunities from that systems-level perspective.

National Science and Technology Council - Federal Plan for Advanced Networking Research and Development

Report by the Interagency Task Force on Advanced Networking Research and Development.

Report of The Panel on Recent Significant Advancements in Computational Science

A report from a distinguished panel charged with identifying recent breakthroughs in computational science and enabling technologies, supported by ASCR through the INCITE program, the SciDAC program, and/or its base program.

SciDAC Review

Link to The SciDAC Review. The SciDAC Review is a quarterly magazine that shares SciDAC projects, news, and achievements.

Supercomputing: The New Secret Weapon

Supercomputing is doing everything from designing high performance bathing suites for Olympic swimmers to developing plants that can cope with all types of environmental problems.

Applied Mathematics at the U.S. Department of Energy: Past, Present and a view to the Future

A report by an independent panel from the Applied Mathematics research community.

Mathematics for Analysis of Petascale Data Workshop Report

The workshop engaged mathematical scientists and applications researchers to identify the next-generation mathematical techniques needed to meet the challenges posed by petascale data.

Workshop Report on Advanced Networking for Distributed Petascale Science: R&D Challenges and Opportunities

The workshop brought together leading network researchers in optical transport, middleware, and high-performance protocols. Their charge was to develop a high-level roadmap for the network research and development (R&D) that will be required to support DOE's distributed Petascale science over the next decade.

Scientific Impacts and Opportunities in Computing Workshop Report

This workshop was conducted for the Office of Advanced Scientific Computing Research to identify high impact opportunities in computing for investment in research to maintain the nation's preeminence in scientific discovery and competitiveness.

Modeling and Simulation at the Exascale for Energy and the Environment Town Hall Meetings Report

The objective of this ten-year vision is to focus the computational science experiences gained over the past ten years on the opportunities introduced with exascale computing to revolutionize our approaches to energy, environmental sustainability and security global challenges. For more information, see the ASCR Scientific Grand Challenges web page.

Computational Research Needs in Alternative and Renewable Energy

Final report from the workshop on Computational Research Needs in Alternative and Renewable Energy held in Rockville, Maryland September 19 and 20, 2007.

SciDAC Highlighted in CTWatch

The articles of this issue of CTWatch Quarterly described the connection between scalable software technology and breakthrough science. Each article offers an informative and stimulating discussion of some of the major work being carried out by one of the Centers for Enabling Technologies (CET) of the Department of Energy's wide ranging and influential SciDAC program.

Advanced Scientific Computing Research: Delivering Computing for the Frontiers of Science - Facilities Division Strategic Plan for High Performance Computing Resources

The strategic vision for High Performance Computing (HPC) resources in the Facilities Division of the Office of Advanced Scientific Computing Research (ASCR) program in the Department of Energy's Office of Science for the next 10 years.

Visualization and Knowledge Discovery: Report from the DOE/ASCR Workshop on Visual Analysis and Data Exploration at Extreme Scale

The developed visualization and data exploration tools have served admirably with gigabyte and even terabyte datasets, but at the peta- and exascale levels, those tools will no longer suffice. Scientists and researchers met under the auspices of ASCR in Salt Lake City on June 7-8, 2007 to discuss the coming "data tsunami" and issues involved in data exploration, data understanding, and data visualization at the petascale and beyond.

Software Development Tools for Petascale Computing Workshop

The findings generated at the Software Development Tools for PetaScale Computing (SDTPC) Workshop held in Washington, D.C. on August 1 and 2, 2007 are in this final report.

Final Report from the Cyber Security Research Needs for Open Science

These are the results of Priority Research Directions (PRDs) identified during the two-day workshop held on July 23 & 24, 2007. The workshop was jointly sponsored by the DOE Office of Science and Office of Electricity Delivery and Energy Reliability. Participation included representation from national labs, higher education and industry. Participants self-identified their interests into five break-out groups, each of which was charged with identifying PRDs.

Computational Subsurface Sciences Workshop Report

The workshop, held in Bethesda, Maryland, January 9-12, 2007 was to obtain community input on computational science research needs and opportunities in the subsurface sciences and related areas, with a focus on developing a next generation of numerical models of subsurface flow and process simulation. Collaborating DOE offices were SC, EM, FE, and RW.

Multiscale Mathematics Initiative: A Roadmap

This was the third of three DOE sponsored workshops. It was held in Portland, Oregon September 21-23, 2004, to consider the scientific needs and mathematical challenges for multiscale simulation. This report represents the important conclusions, themes and recommendations for DOE investments from all three workshops.

Final Report Second DOE Workshop on Multiscale Problems

The Second DOE Workshop on Multiscale Problems was held from July 20 to July 22, 2004 in Broomfield, Colorado. During these three days, over eighty researchers with expertise in a wide variety of engineering, mathematical and scientific fields gathered to discuss the current state of mathematical methods for multiscale problems, possible future directions for research, and ways in which the Department of Energy could best support such activity.

Report of the First Multiscale Mathematics Workshop: First Steps toward a Roadmap

Some of the nation's leading computational scientists gathered in Washington, D.C. May 3-5, 2004 to consider the scientific needs and mathematical challenges for multiscale simulation. The goals were to (1) identify the most compelling scientific applications facing major roadblocks due to multiscale modeling needs and (2) formulate a strategic plan for investment in multiscale mathematics research that will meet these needs.

Report on the Mathematical Research Challenges in Optimization of Complex Systems

The goal of the workshop was to articulate opportunities for mathematical research relevant to DOE applied science and technology programs, in mathematical areas that are not already a major part of the DOE applied mathematics research portfolio.

Report on the Workshop on Simulation and Modeling for Advanced Nuclear Energy Systems

DOE's Office of Office of Advanced Scientific Computing Research (ASCR) and Nuclear Energy (NE) co-sponsored a workshop to identify the research opportunities and priorities for advancing the use of simulation and modeling in the research and development of advanced nuclear energy.

Management Model for Delivering High Performance and Leadership Class Computing Systems for Scientific Discovery

The purpose of this document is to describe a model for managing the activities and tasks associated with the operation of High Performance Computing Facilities (HPCF) that enable scientific discovery as well as the delivery of next generation High Performance Production Computing (HPPC) and Leadership Class Computing (LCC) resources to the HPCF to meet established cost, schedule and performance objectives. December 2006

Data-Management Challenge

The DOE Office of Science Data-Management Workshops were held March-May 2004. A number of application scientists and computer scientists at these meetings came to the conclusion that the plan as presented was dangerously light on attention to data management, given the increasingly data-intensive nature of research supported by the Office of Science. This report documents these workshops.

Guide to the NITRD

Supplement to the President's Budget for FY05 for the Networking and Information Technology Research and Development (NITRD) Program. Prepared by the Interagency Working Group on Information Technology Research and Development of the National Science and Technology Council, the Supplement describes accomplishments and proposed activities of the Federal agencies that work collaboratively on R&D in advanced computing, networking, software, and related information technologies to support Federal missions and help maintain U.S. leadership in cutting-edge science, engineering, and technology.

Federal Plan for High-End Computing

Report of the High-End Computing Revitalization Task Force.