I want to add a benchmark that compares a legacy Qt function's performance against one I am developing as a patch. I cannot find guidance on best practices for benchmarks.
Is there documentation regarding best practices for benchmarks within the Qt framework? Are "<module>/tests/benchmarks/..." intended to be run from with Qt Creator? Is there a convention for documenting the goals of benchmarks? It appears to me that the "tests/benchmarks" folder is for Qt code base developers for researching the performance during development, but where is the explanation for interpreting results? For example, consider: "/qtdeclarative/tests/benchmarks/quick/events/". Are the results for a specific platform recorded anywhere? What do the results *mean*? I'm testing on two platforms, a desktop and an embedded device and getting results that show the patch can improve performance. Would metrics generated by the benchmark be documented in the code review, as comments within the tst_*.cpp file itself, or in a README.txt file within the benchmark folder?
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