Method for estimating execution rates of program execution paths
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United States of America Patent
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May 30, 2000
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N/A
app pub date -
Nov 26, 1997
filing date -
Nov 26, 1997
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Abstract
A method is provided for estimating execution rates of program executions paths. The method samples path-identifying state information of selected instructions while executing the program in a processor. A control flow graph of the program is supplied, the control flow graph includes a plurality of path segments. The control flow graph is analyzed using the path-identifying state information to identify a set of path segments that are consistent with the sampled state information. The set of paths segments can be counted to determine their relative execution frequencies.
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