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ICDM
2008
IEEE
115views Data Mining» more  ICDM 2008»
14 years 2 months ago
Toward Faster Nonnegative Matrix Factorization: A New Algorithm and Comparisons
Nonnegative Matrix Factorization (NMF) is a dimension reduction method that has been widely used for various tasks including text mining, pattern analysis, clustering, and cancer ...
Jingu Kim, Haesun Park
ICPR
2008
IEEE
14 years 2 months ago
Linear time recognition algorithms for topological invariants in 3D
In this paper, we design linear time algorithms to recognize and determine topological invariants such as genus and homology groups in 3D. These invariants can be used to identify...
Li Chen, Yongwu Rong
IPPS
2008
IEEE
14 years 2 months ago
Performance characterization and optimization of parallel I/O on the Cray XT
This paper presents an extensive characterization, tuning, and optimization of parallel I/O on the Cray XT supercomputer, named Jaguar, at Oak Ridge National Laboratory. We have c...
Weikuan Yu, Jeffrey S. Vetter, Sarp Oral
IPPS
2008
IEEE
14 years 2 months ago
Lattice Boltzmann simulation optimization on leading multicore platforms
We present an auto-tuning approach to optimize application performance on emerging multicore architectures. The methodology extends the idea of searchbased performance optimizatio...
Samuel Williams, Jonathan Carter, Leonid Oliker, J...
ISCA
2008
IEEE
170views Hardware» more  ISCA 2008»
14 years 2 months ago
Polymorphic On-Chip Networks
As the number of cores per die increases, be they processors, memory blocks, or custom accelerators, the on-chip interconnect the cores use to communicate gains importance. We beg...
Martha Mercaldi Kim, John D. Davis, Mark Oskin, To...