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» Application performance on the Direct Access File System
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IPPS
2003
IEEE
14 years 1 months ago
Quantifying Locality Effect in Data Access Delay: Memory logP
The application of hardware-parameterized models to distributed systems can result in omission of key bottlenecks such as the full cost of inter-node communication in a shared mem...
Kirk W. Cameron, Xian-He Sun
ASSETS
2007
ACM
14 years 4 days ago
Accessible spaces: navigating through a marked environment with a camera phone
We demonstrate a system designed to assist a visually impaired individual while moving in an unfamiliar environment. Small and economical color markers are placed in key locations...
Kee-Yip Chan, Roberto Manduchi, James Coughlan
CLUSTER
2004
IEEE
13 years 12 months ago
Predicting memory-access cost based on data-access patterns
Improving memory performance at software level is more effective in reducing the rapidly expanding gap between processor and memory performance. Loop transformations (e.g. loop un...
Surendra Byna, Xian-He Sun, William Gropp, Rajeev ...
CHI
2006
ACM
14 years 8 months ago
Unified associative information storage and retrieval
We present a novel system for performing information management in a unified manner. Users currently must manage large amounts of data which may be fragmented across file formats ...
Brandon Rothrock, Brad A. Myers, Sophie H. Wang
IPPS
2008
IEEE
14 years 2 months ago
Supporting high performance bioinformatics flat-file data processing using indices
As an essential part of in vitro analysis, biological database query has become more and more important in the research process. A few challenges that are specific to bioinformat...
Xuan Zhang, Gagan Agrawal