Technologies for determining binary loop trip count using dynamic binary instrumentation
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United States of America Patent
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May 3, 2016
Grant Date -
Dec 31, 2015
app pub date -
Jun 26, 2014
filing date -
Jun 26, 2014
priority date (Note) -
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Abstract
Technologies for binary loop trip count computation include a computing device that dynamically instruments binary code, executes the instrumented code, and records execution statistics during execution of the instrumented code. The computing device may instrument only instructions affecting local control flow within functions of the binary code. The computing device may combine execution statistics from multiple threads or process instances of the binary code. After completing execution of the instrumented code, the computing device generates a control flow graph indicative of control flow of the binary code and recursively detects binary loops within the binary code. The computing device calculates a trip count for reach detected binary loop using the recorded execution statistics. Other embodiments are described and claimed.
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