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Templates

Templates are available in the core module (performance-tools) in an agnostic form (not depending on any test unit environment) and in perform-tools-junit in a JUnit specific form.

There are 4 templates available:

  1. [SimplePerformanceTemplate.java] (../performance-tools/src/main/java/com/fillumina/performance/template/SimplePerformanceTemplate.java) is just a skeleton that enables some basic templating but isn't really useful per-se.

  2. [AutoProgressionPerformanceTemplate.java] (../performance-tools/src/main/java/com/fillumina/performance/template/SimplePerformanceTemplate.java) allows to set a target stability value expressed by the maximum allowed standard deviation that a serie of samples of a certain number of iterations of the tests must have. In order to stabilize up to this value this template will repeat the serie of iterations incrementing its value over time. It's useful because it doesn't force to discover manually the number of iterations at which the test stabilizes.

    The JUnit template here is just an adaptation of the original template and can be found in the module performance-tools-junit (it's in a different module to avoid having JUnit as a dependence on the core module).

    See [DivisionByTwoPerformanceTest.java] (../performance-tools-examples/src/test/java/com/fillumina/performance/examples/template/DivisionByTwoPerformanceTest.java).

  3. [ParametrizedPerformanceTemplate.java] (../performance-tools/src/main/java/com/fillumina/performance/template/ParametrizedPerformanceTemplate.java) allows to define a test that accepts a parameter and then to define and pass to the test several parameters. It is useful to check which of a serie of alternative objects performs better (i.e. which different Map perform better writing objects randomly).

    See [MapMultiThreadedPerformanceTest.java] (../performance-tools-examples/src/test/java/com/fillumina/performance/examples/template/MapMultiThreadedPerformanceTest.java).

  4. [ParametrizedSequencePerformanceTemplate.java] (../performance-tools/src/main/java/com/fillumina/performance/template/ParametrizedSequencePerformanceTemplate.java) in addition to accepting a parameter it accepts an elemnet of a sequence too. It is useful to check which of a series of alternative objects perform better on different input (i.e. which different Map perform better writing objects randomly in a map of different sizes).

    See [SearchTypePerformanceTest.java] (../performance-tools-examples/src/test/java/com/fillumina/performance/examples/template/SearchTypePerformanceTest.java).

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