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benchmarx

Infrastructure for implementing benchmarx: benchmarks for bidirectional transformation (bx) tools. Also contains a collection of example benchmarx and test runners for various and diverse bx tools.

Running the benchmarx without getting your fingers dirty

We have a plug and play (via remote desktop) Share virtual machine available from: http://is.ieis.tue.nl/staff/pvgorp/share/?page=ConfigureNewSession&vdi=Ubuntu12LTS_BenchmarX.vdi

How to setup and execute the benchmarx

  1. Clone this repo: git clone https://github.com/eMoflon/benchmarx.git benchmarx
  2. Download the latest version of the Eclipse Modeling Tools for your platform.
  3. Start Eclipse in a workspace of your choice and install Xtend (e.g., using Help/Eclipse market place). Restart and import the PSF file (Import/Team/Team Project Set) in the benchmark example folder you're interested in. As an example, for BenchmarxFamiliesToPersons this would be (benchmarx/examples/familiestopersons/projectSet.psf). If your workspace does not compile then please create an issue for us. For all examples, make sure you switch to UTF 8 as encoding for your Eclipse workspace (Window/Preferences/General/Workspace/Text file encoding).
  4. Choose the tools you want to execute by appropriately manipulating (replace with your benchmark example) /BenchmarxFamiliesToPersons/src/org/benchmarx/examples/familiestopersons/testsuite/FamiliesToPersonsTestCase.java/tools().
  5. (Optional) Some bx tools (including BiGUL and NMF) are commented out per default as they require some additional setup. See the referenced READMEs in the FamiliesToPersonsTestCase.java/tools() for the necessary steps. As of 10.05.2023, FunnyQT no longer works, probably due to compatibility reasons with the current Java version.
  6. Choose the project BenchmarxFamiliesToPersons and select "Run As/JUnit Test" to execute the benchmarx "Families to Persons" for all tools chosen in Step 5 (replace with your benchmark example).
  7. You can compare your results with /BenchmarxFamiliesToPersons/results/TestResults.xlsx.
  8. For scalability tests, you can edit and execute /BenchmarxFamiliesToPersons/src/org/benchmarx/examples/familiestopersons/testsuite/scalability/ScalabilityMeasurements.java as required. The referenced tools should of course be setup and working as expected in Step 4/5/6.

How to extend the benchmarx by adding a new implementation (and/or new test cases!)

To add an implementation of an existing benchmarx example, e.g., FamiliesToPersons with your favourite bx tool, do the following (taking FamiliesToPersons as an example, substitute as appropriate for another example):

  1. Add a folder for your tool to /examples/familiestopersons/BenchmarxFamiliesToPersons/src/org/benchmarx/examples/familiestopersons/implementations/<your_bx_tool>.
  2. Add a Java test runner that is responsible for invoking and interfacing with your bx tool. If your bx tool is EMF-based, take a look at emoflon/EMoflonFamiliesToPersons.java and medini/MediniQVTFamiliesToPersons.java. If your bx tool does not use EMF, then take a look at bigul/BiGULFamiliesToPersons.java.
  3. If your implementation needs extra artefacts (such as Eclipse projects, etc) then add these to /examples/familiestopersons/implementationsArtefacts.
  4. Extend /examples/familiestopersons/BenchmarxFamiliesToPersons/src/org/benchmarx/examples/familiestopersons/testsuite/FamiliesToPersonsTestCase.java to include your new test runner.
  5. Feel free to add new JUnit tests that demonstrate the strengths of your tool (and reveal weaknesses of others). Please try to classify your new tests using the existing structure in the benchmarx.
  6. If your bx tool requires additional setup steps in addition to compiling a standard Eclipse project, add a README-SETUP file to this effect in your bx tool's implementation folder (cf. bigul/README-SETUP).
  7. Please remember to create and send us a pull request from your fork so we can update the benchmarx!

How to extend the benchmarx by adding a new example

  1. Copy the existing structure for /examples/familiestopersons. This consists of a folder metamodels for the source and target metamodels in an EMF representation, a folder BenchmarxFamiliesToPersons for the actual testsuite, and a folder implementationArtefacts for any further implementation artefacts.
  2. The folder BenchmarxFamiliesToPersons is an Eclipse project that can be run as a JUnit test suite and contains all test cases as JUnit tests, all resources (input and expected models), any implementations of the benchmarx example, and auxiliary classes for both metamodels used to simplify the comparison of output and expected models (or model representations).
  3. Please remember to create and send us a pull request from your fork so we can update the benchmarx!