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Keynote Speech |
1. Title: Enabling the Next Generation of Scalable Clusters
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Professor William D. Gropp
Paul and Cynthia Saylor Professor of Computer Science
Computer Science Department
University of Illinois Urbana-Champaign
Urbana, Illinois
http://www.cs.uiuc.edu/homes/wgropp/index.htm
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Abstract:
Clusters revolutionized computing by making supercomputer capabilities
widely available. But one of the main drivers of that revolution, the
rapid doubling of processor clock rates, ran out of steam several
years ago. To maintain (or even increase) the historic rate of
improvement in computing power, processor designs are rapidly
increasing parallelism at all levels, including more functional units,
more cores, and ways to share resources among threads. Heterogeneous
designs that use more specialized processors such as GPGPUs are
becoming common. The scale of high-end systems is also getting
larger, with 1000-core systems becoming commonplace and systems with
over 300,000 cores planned for 2011. However, the software and
algorithms for these systems are still basically the same as when the
cluster revolution began. Drawing on experiences with the sustained
PetaFLOPS system, called Blue Waters, to be installed at Illinois in
2011, and with exploratory work into Exascale system designs, this
talk will discuss some of the challenges facing the cluster community as
scalability becomes increasingly important and reviews some of the
developments in algorithms, programming models, and software
frameworks that must complement the evolution of cluster hardware.
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Biography:
William Gropp is the Paul and Cynthia Saylor Professor in the
Department of Computer Science and Deputy Directory for Research for
the Institute of Advanced Computing Applications and Technologies at
the University of Illinois in Urbana-Champaign. After receiving his
Ph.D. in Computer Science from Stanford University in 1982, he held
the positions of assistant (1982-1988) and associate (1988-1990)
professor in the Computer Science Department of Yale University. In
1990, he joined the Numerical Analysis group at Argonne, where he held
the positions of Senior Scientist (1998-2007) and Associate Division
Director (2000-2006). His research interests are in parallel
computing, software for scientific computing, and numerical methods
for partial differential equations. He is a co-author of "Using MPI:
Portable Parallel Programming with the Message-Passing Interface", and
is a chapter author in the MPI-2 Forum. His current projects include
the design and implementation of MPICH, a portable implementation of
the MPI Message-Passing Standard, the design and implementation of
PETSc, a parallel, numerical library for PDEs, and research into
programming models for parallel architectures.
He is a Fellow of ACM and IEEE and a member of the National Academy of
Engineering.
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2. Title: Sky Computing: When Multiple Clouds Become One
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Professor José A.B. Fortes
BellSouth Eminent Scholar
Director, NSF Center for Autonomic Computing
The University of Florida, Gainesville, USA
http://www.acis.ufl.edu/fortes/
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Abstract:
The growing number of announced commercial and scientific clouds strongly
suggests that in the near future these providers will be differentiated
according to the types of their services, their cost, availability and
quality. Users will be able to use these and other criteria to determine
which clouds best suit their needs, a plausible scenario being the case when
users need to aggregate capabilities provided by different clouds. In such
scenarios it will be essential to provide virtual networking technologies
that enable providers to support cross-cloud communication and users to
deploy cross-cloud applications. This talk will describe one such
technology, its salient features and remaining challenges. It will also put
forward the idea of virtual clouds, i.e. providers of computing services
overlaid on more than one cloud. A virtual cloud spans across multiple cloud
providers and presents the view of a single logical cloud. Virtual clouds
would enable high-level computing services to be provided by third-parties
who do not own physical resources, could be short or long lived and highly
dynamic. Enabling technologies, challenges and examples of sky computing
will be presented.
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Biography:
Jose Fortes is Professor and BellSouth Eminent Scholar at the University of
Florida where he founded and directs both the Advanced Computing and
Information Systems laboratory and the NSF Industry/University Cooperative
Center for Autonomic Computing. His research interests are in the areas of
distributed computing, autonomic computing, computer architecture, parallel
processing and fault-tolerant computing. He has lead the development and
deployment of Grid-computing software used in several cyberinfrastructures
for e-Science and digital government. They include In-VIGO, which was the
first grid-computing system to use virtualization technologies, and PUNCH,
which was an early example of a software-as-a-service provider. His research
has been funded by, among others, the AT&T Foundation, Army Research Office,
Citrix, General Electric, IBM, Intel, National Science Foundation,
Northrop-Grumman, NASA, Office of Naval Research and the Semiconductor
Research Corporation. Jose Fortes is a Fellow of the IEEE and has authored
or coauthored over 180 technical papers.
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