Data structure path profiling
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United States of America Patent
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Apr 12, 2011
Grant Date -
Jan 3, 2008
app pub date -
Jun 20, 2006
filing date -
Jun 20, 2006
priority date (Note) -
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Abstract
The described technology provides data structure path profiling. An instrumented version of a program is created that calls a profiler runtime when pointer based data structures are allocated or accessed via pointers. A model of the heap is created and nodes in the model data structures are assigned unique identifiers. Paths traversed through the model data structures are assigned unique identifiers. The paths are counted in order to identify paths through the data structure model that are traversed frequently. The model is useful for providing information about high frequency data paths to the program developer and for various optimization purposes, such as prefetching and or increasing data locality during garbage collection.
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