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» Dynamic Memory Allocation for Large Query Execution
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114
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PLDI
2010
ACM
15 years 3 months ago
Detecting Inefficiently-Used Containers to Avoid Bloat
Runtime bloat degrades significantly the performance and scalability of software systems. An important source of bloat is the inefficient use of containers. It is expensive to cre...
Guoqing Xu, Atanas Rountev
PVLDB
2011
14 years 2 months ago
Merging What's Cracked, Cracking What's Merged: Adaptive Indexing in Main-Memory Column-Stores
Adaptive indexing is characterized by the partial creation and refinement of the index as side effects of query execution. Dynamic or shifting workloads may benefit from prelimi...
Stratos Idreos, Stefan Manegold, Harumi A. Kuno, G...
DAWAK
2006
Springer
15 years 3 months ago
A Greedy Approach to Concurrent Processing of Frequent Itemset Queries
We consider the problem of concurrent execution of multiple frequent itemset queries. If such data mining queries operate on overlapping parts of the database, then their overall I...
Pawel Boinski, Marek Wojciechowski, Maciej Zakrzew...
100
Voted
BTW
2007
Springer
142views Database» more  BTW 2007»
15 years 6 months ago
Algebraic Query Optimization for Distributed Top-k Queries
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
Thomas Neumann, Sebastian Michel
ISCA
2002
IEEE
102views Hardware» more  ISCA 2002»
15 years 4 months ago
Implementing Optimizations at Decode Time
The number of pipeline stages separating dynamic instruction scheduling from instruction execution has increased considerably in recent out-of-order microprocessor implementations...
Ilhyun Kim, Mikko H. Lipasti