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» Parallelizing query optimization
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ICS
1994
Tsinghua U.
14 years 2 months ago
Evaluating automatic parallelization for efficient execution on shared-memory multiprocessors
We present a parallel code generation algorithm for complete applications and a new experimental methodology that tests the efficacy of our approach. The algorithm optimizes for d...
Kathryn S. McKinley
ICDE
2009
IEEE
114views Database» more  ICDE 2009»
15 years 11 days ago
On Efficient Query Processing of Stream Counts on the Cell Processor
In recent years, the sketch-based technique has been presented as an effective method for counting stream items on processors with limited storage and processing capabilities, such...
Dina Thomas, Rajesh Bordawekar, Charu C. Aggarwal,...
ECCC
2000
140views more  ECCC 2000»
13 years 10 months ago
Randomized Approximation Schemes for Scheduling Unrelated Parallel Machines
We consider the problem of Scheduling n Independent Jobs on m Unrelated Parallel Machines, when the number of machines m is xed. We address the standard problem of minimizing the ...
Pavlos Efraimidis, Paul G. Spirakis
SIGMOD
2007
ACM
196views Database» more  SIGMOD 2007»
14 years 10 months ago
GPUQP: query co-processing using graphics processors
We present GPUQP, a relational query engine that employs both CPUs and GPUs (Graphics Processing Units) for in-memory query co-processing. GPUs are commodity processors traditiona...
Rui Fang, Bingsheng He, Mian Lu, Ke Yang, Naga K. ...
VLDB
2001
ACM
92views Database» more  VLDB 2001»
14 years 3 months ago
Fast Evaluation Techniques for Complex Similarity Queries
Complex similarity queries, i.e., multi-feature multi-object queries, are needed to express the information need of a user against a large multimedia repository. Even if a user in...
Klemens Böhm, Michael Mlivoncic, Hans-Jö...