Is there a guide somewhere on how to start performance tuning a dist? The DProf pod covers how to use the module but doesn't really cover the philosophy and techniques behind actually tuning existing software.
Should I just start dprof-ing the tests in the test suite, or will there be too much noise from the test harness? Should I write generic script files and test each sub one by one? etc, etc, etc. How does everyone out there tackle tuning?
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