Computational Science: Here, There, and Everywhere

A SciDAC Collaboratory stimulating new discoveries by providing scientists with effective and dependable access to a petascale distributed computational facility

Miron Livny (project webpage)
University of Wisconsin

This project brings together a unique ensemble of domain scientists, software developers and providers of computing resources who share a common goal: to stimulate new discoveries by providing scientists with effective and dependable access to the Open Science Grid (OSG), a national distributed computational facility. The massive amounts of data generated by the current and next generation of physics accelerators and detectors poses significant challenges to our computing and network infrastructure. The requirements in scale of resources, users, capacity and performance of the OSG facility are driven by the user communities, in particular the physics communities that are committed to the use of OSG. This project will maintain and operate a Petascale nationwide distributed facility that can grow to provide thousands of users at universities and DOE laboratories throughout the U.S. with effective access to massive computational and storage resources. Technical activities to engage train and include new researchers are integral parts of our program of work. The engagement activity will bring each new community to contribute to and benefit from the facility. New IT technologies are integrated and deployed in response to explicit needs and are evaluated in a real-life setting.

A reliable national infrastructure that can deal with the data management and analysis of petabytes of data from the next generation of physics accelerators and detectors is vital to maximizing the benefit of U.S. investments in these experiments. Without this effort, it would be difficult for the U.S to optimally exploit the Large Hadron Collider (LHC) competitively and to capitalize on the investment in the Laser Interferometer Gravitational-Wave Observatory (LIGO). This effort proposes a production environment for distributed data-intensive science provided through a consortium that consists of a unique ensemble of domain scientists, software developers and providers of computing resources using distributed computing tools and computing resources to transform simulation and experimental science in the U.S. The OSG Facility is an integral element of the Worldwide LHC Grid and essential to expanding the reach and capabilities of the LIGO Data Grid, the Tevatron Run II SAMGrid, and the distributed computing for RHIC and JLab experiments. A unique feature of the OSG Facility is support for the dynamic integration of new resources and applications and the harnessing of all available resources, thus extending the return on investments of our computing infrastructure and easing the inclusion of new communities.

Science Application: High Energy Physics and Nuclear Physics with Petabytes

Project Title: Sustaining and Extending the Open Science Grid: Science Innovation on a PetaScale Nationwide Facility

Principal Investigator: Miron Livny
Affiliation: University of Wisconsin

Participating Institutions and Co-Investigators:
Boston University - James Shank
California Institute of Technology - Albert Lazzarini
Cornell University - Lawrence Gibbons
Columbia University - Michael Tuts
Brookhaven National Laboratory - Torre Wenaus
Fermi National Accelerator Laboratory - Ruth Pordes (Co-PI) and Donald Petravick
Indiana University - S. Leigh Grundhoefer
Lawrence Berkeley National Laboratory - Douglas Olson
Stanford University-Stanford Linear Accelerator Center - Robert Cowles
State University of New York at Buffalo - Mark Green
University of California-San Diego - Frank Wuerthwein
University of Chicago - Ian Foster
University of Florida - Paul Avery
University of Iowa - Shaowen Wang
University of North Carolina at Chapel Hill - Alan Blatecky
University of Southern California-ISI - Carl Kesselman
University of Wisconsin - Miron Livny (PI)

Funding Partners: Office of Science Office of Advanced Scientific Computing Research, Office of High Energy Physics, and Nuclear Physics; and the National Science Foundation (around half the funding of this project is from NSF)

Budget and Duration: Approximately $6.1 Million per year for five years 1

Other SciDAC physics efforts

1Subject to acceptable progress review and the availability of appropriated funds.


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