1024 search results - page 153 / 205 » High-Level Execution Time Analysis |
146
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VLDB
2001
ACM
15 years 5 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
147
Voted
SIGMOD
2004
ACM
16 years 24 days ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
113
Voted
OOPSLA
2007
Springer
15 years 6 months ago
2007
Springer
Omniscient debuggers make it possible to navigate backwards in time within a program execution trace, drastically improving the task of debugging complex applications. Still, they...
97
Voted
ASPLOS
2004
ACM
15 years 6 months ago
2004
ACM
Sampling has been successfully used to identify performance optimization opportunities. We would like to apply similar techniques to check program correctness. Unfortunately, samp...
97
Voted
WSC
1997
15 years 2 months ago
1997
Optimistic parallel discrete event simulation (PDES) uses a state history trail to support rollback. State saving strategies range from making a complete copy of a model’s state...