[AG-TECH] NCSA Seminar via Access Grid on October 3, 2002

Beth McKown bmckown at ncsa.uiuc.edu
Tue Sep 24 16:31:49 CDT 2002


Attached in MS Word and copied below is an NCSA Seminar we will be 
broadcasting via Access Grid on Thursday, October 3, 2002 at 4-5pm central 
using the NCSA system.  I would like to have this listed on your 
calendar.  If you have any questions, please don't hesitate to contact me 
at 217-244-0078 or via email.

thanks for your help,
Beth McKown
Green Destiny: A 240-Node Compute Cluster in One Cubic Meter

Wu-chun Feng
Los Alamos National Laboratory

Thursday, October 3, 2002
5602 Beckman Institute
Also via Access Grid http://agschedule.ncsa.uiuc.edu 4:00pm

In this talk, Dr. Feng will present a new twist to the Beowulf cluster  the 
Bladed Beowulf.  In contrast to traditional Beowulfs, Dr. Feng's Bladed 
Beowulf, dubbed Green Destiny, uses Transmeta processors in order to keep 
thermal power dissipation low and reliability and density high while still 
achieving comparable performance to Intel- and AMD-based clusters when 
their processors run at the same clock rate.

Although performance and price/performance have been (and will continue to 
be) important metrics in high-performance computing, Dr. Feng believes that 
the issues of efficiency, reliability, and availability will be the key 
issues of this decade.  Bigger and faster machines will not be good enough 
anymore.  Consequently, he proposes a new performance metric, Total 
Price/Performance Ratio (ToPPeR), to evaluate high-performance computing 
systems.  However, due to the hidden and institution-specific costs in the 
ToPPeR metric, two alternative (but more concrete) performance metrics that 
are related to efficiency, reliability, and availability are also 
proposed:  performance/power ratio ("power efficiency") and 
performance/space ratio ("space efficiency").  Dr. Feng will then present 
empirical data for the aforementioned metrics over a variety of computing 
platforms using a cosmology code and a bioinformatics code.

For more information about this project, please visit the "Supercomputing 
in Small Spaces" web site at http://sss.lanl.gov.  For media coverage on 
the project, see CNN's coverage at 
or the New York Times at 

Dr. Feng received a B.S. degree in computer engineering and a B.S. (Honors) 
degree in music from Penn State University in 1988; an M.S. degree in 
computer engineering from Penn State University in 1990; and a Ph.D. degree 
in computer science from the University of Illinois at Urbana-Champaign in 

He is currently a technical staff member and team leader of RADIANT 
(Research & Development in Advanced Network Technology at 
http://www.lanl.gov/radiant) at Los Alamos National Laboratory and an 
adjunct assistant professor at the Ohio State University.  He is a fellow 
of the Los Alamos Computer Science Institute and the founder and director 
of the Advanced Summer Curriculum for Emerging Network Technologies 
(ASCENT).  Before joining LANL in 1998, Dr. Feng had previous professional 
stints at Purdue University, University of Illinois, NASA Ames Research 
Center, and IBM T.J. Watson Research Center.
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