Is Effortless C++ Profiling Possible With Simple Pausing Techniques?
Published on 2024-11-09
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Effortless C Profiling with VC
Profiling can be a useful tool for optimizing code performance, but many profilers are known for their complexity. For those seeking a straightforward profiling solution, one might question if any "standard" profilers exist that provide simplicity and effectiveness.
A Simple Profiling Technique
Rather than utilizing complex profiling tools, consider a remarkably simple method suggested by Mike Dunlavey on Stack Overflow. By simply pausing the program multiple times, one can obtain a representative sample of the execution time. Functions occupying a significant portion of execution time are likely to be identified within a short time.
The Value of Pausing
The benefits of this pause-based profiling approach are substantial. By improving the performance of a function responsible for half of the execution time by 50%, the overall execution time is effectively reduced by 25%. Furthermore, if a function is deemed unnecessary and eliminated, execution time can be potentially halved.
Initially, the efficacy of this method can seem questionable, but its simplicity and surprisingly effective results make it an invaluable tool for performance optimization.
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