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IPPS
2008
IEEE
15 years 5 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
GIS
2004
ACM
16 years 15 hour ago
A novel improvement to the R*-tree spatial index using gain/loss metrics
The R*-tree is a state-of-the-art spatial index structure. It has already found its way into commercial systems. The most important improvement of the R*-tree over the original R-...
Donghui Zhang, Tian Xia
DEBU
2002
100views more  DEBU 2002»
14 years 10 months ago
Indexing the Trajectories of Moving Objects
The domain of spatiotemporal applications is a treasure trove of new types of data and queries. In this work, the focus is on a spatiotemporal sub-domain, namely the trajectories ...
Dieter Pfoser
CN
2006
112views more  CN 2006»
14 years 11 months ago
Optimal server allocations for streaming multimedia applications on the Internet
In this paper, we address the server selection problem for streaming applications on the Internet. The architecture we consider is similar to the content distribution networks con...
Padmavathi Mundur, Poorva Arankalle
SC
2000
ACM
15 years 3 months ago
Improving Fine-Grained Irregular Shared-Memory Benchmarks by Data Reordering
We demonstrate that data reordering can substantially improve the performance of fine-grained irregular sharedmemory benchmarks, on both hardware and software shared-memory syste...
Y. Charlie Hu, Alan L. Cox, Willy Zwaenepoel