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EUROPAR
2008
Springer
14 years 1 months ago
Empirical Analysis of a Large-Scale Hierarchical Storage System
To prepare for future peta- or exa-scale computing, it is important to gain a good understanding on what impacts a hierarchical storage system would have on the performance of data...
Weikuan Yu, Sarp Oral, Shane Canon, Jeffrey S. Vet...
ARVLSI
1999
IEEE
112views VLSI» more  ARVLSI 1999»
14 years 4 months ago
Battery-powered, Wireless MEMS Sensors for High-Sensitivity Chemical and Biological Sensing
Researchers at Oak Ridge National Laboratory (ORNL) are developing selectively coated cantilever arrays in a surface-micromachined MEMS process for very high sensitivities in chem...
Charles L. Britton Jr., R. J. Warmack, S. F. Smith...
CF
2010
ACM
14 years 5 months ago
Enabling a highly-scalable global address space model for petascale computing
Over the past decade, the trajectory to the petascale has been built on increased complexity and scale of the underlying parallel architectures. Meanwhile, software developers hav...
Vinod Tipparaju, Edoardo Aprà, Weikuan Yu, ...
SC
2003
ACM
14 years 5 months ago
Early Evaluation of the Cray X1
Oak Ridge National Laboratory installed a 32 processor Cray X1 in March, 2003, and will have a 256 processor system installed by October, 2003. In this paper we describe our initi...
Thomas H. Dunigan, Mark R. Fahey, James B. White I...
IPPS
2006
IEEE
14 years 6 months ago
Early evaluation of the Cray XT3
Oak Ridge National Laboratory recently received delivery of a 5,294 processor Cray XT3. The XT3 is Cray’s third-generation massively parallel processing system. The system build...
Jeffrey S. Vetter, Sadaf R. Alam, Thomas H. Duniga...
AICCSA
2007
IEEE
124views Hardware» more  AICCSA 2007»
14 years 6 months ago
The Maximum Common Subgraph Problem: Faster Solutions via Vertex Cover
In the maximum common subgraph (MCS) problem, we are given a pair of graphs and asked to find the largest induced subgraph common to them both. With its plethora of applications,...
Faisal N. Abu-Khzam, Nagiza F. Samatova, Mohamad A...
EUROPAR
2009
Springer
14 years 6 months ago
Impact of Quad-Core Cray XT4 System and Software Stack on Scientific Computation
An upgrade from dual-core to quad-core AMD processor on the Cray XT system at the Oak Ridge National Laboratory (ORNL) Leadership Computing Facility (LCF) has resulted in significa...
Sadaf R. Alam, Richard F. Barrett, Heike Jagode, J...