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I want to make some performance measures (mainly runtime) for my Java code, a single-threaded, local, complex algorithm. (So I do not want a macro-benchmark to measure a JVM implementation.) With the tool, I would like to analyse the complexity , i.e. see how my code scales for a parameter n (the search depth). (I already have a junit test parameterized in n.) do some trend analysis to get warned if some change to the code base makes the code slower. For this, I would like to use a tool or framework that does the statistics , optimally computing the mean value, standard deviation and confidence intervals. This is very important. can be parameterized (see parameter n above). This is also very important. is able to produce a fancy plot would be nice, but is not required can be used in an automated (junit-)test to warn me if my program slows done, but this is also not required, just a plus. What tools/frameworks fulfill these requirements? Which one would be well suited for complexity and trend analysis, and why?

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