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Call path refinement profiles

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1 Author(s)
Hall, R.J. ; AT&T Bell Labs., Murray Hill, NJ, USA

In order to effectively optimize complex programs built in a layered or recursive fashion (possibly from reused general components), the programmer has a critical need for performance information connected directly to the design decisions and other optimization opportunities present in the code. Call path refinement profiles are novel tools for guiding the optimization of such programs, that: (1) provide detailed performance information about arbitrarily nested (direct or indirect) function call sequences, and (2) focus the user's attention on performance bottlenecks by limiting and aggregating the information presented. This paper discusses the motivation for such profiles, describes in detail their implementation in the CPPROF profiler, and relates them to previous profilers, showing how most widely available profilers can be expressed simply and efficiently in terms of call path refinements

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Software Engineering, IEEE Transactions on  (Volume:21 ,  Issue: 6 )