Javolution C++ Test

Javolution C++ Test is a "Case-Study" on how to build native executables (Windows or Linux) based on Javolution C++ and Maven. On top of running unit tests (JUnit like), the executable also perform benchmark tests of Javolution native solution.

Building

On POSIX systems (GCC 4.8+)

1. Install Apache Maven on your system.
2. Get a copy of Javolution C++ and Javolution C++ Test source code, either by cloning their repository, or by downloading an archive.
3. Run maven install at the root of the javolution-cpp directory.
4. Run maven install at the root of the javolution-cpp-test directory, that last install will execute the tests.

On Windows (MSVC 2015+)

1. Download and install Visual C++ 2017 from Visual Studio Community (free).
2. Install Apache Maven on your system.
3. Get a copy of Javolution, Javolution C++ and Javolution C++ Test source code, either by cloning their repository, or by downloading an archive.
4. Run maven install at the root of the javolution directory (provides support for MSVC 2015/2017).
5. Run maven install at the root of the javolution-cpp directory.
6. Run maven install at the root of the javolution-cpp-test directory, that last install will execute the tests.

Test Results

Here is an example of an execution output. It shows that Javolution C++ stack allocated objects (small immutable objects such as numbers) are significantly faster (30x) than heap allocated objects (in standard Java all objects even Boolean, Integer or Double are heap allocated). In other words, a generic math library (e.g. JScience) ported to Javolution C++ should run as fast as if primitive types where being used (e.g. Matrix<Complex>), a feat not possible with current Java yet!

  -- JAVOLUTION C++ TESTING --
java::lang::ObjectTest::testStandardHeap
Number of objects allocated and destroyed per second: 1.36426e+07
java::lang::ObjectTest::testFastHeap
Number of objects allocated and destroyed per second: 2.48139e+07
java::lang::ObjectTest::testStack
Number of objects allocated and destroyed per second: 9.09091e+08
java::lang::ObjectTest::testValuePassing
Cost of passing smart pointers by value: 0.0168 μs
java::lang::ObjectTest::testConstRefPassing
Cost of passing smart pointers by const reference (const&): 0.0003 μs
java::lang::StringTest::testValueOf_uchar
java::lang::ThreadTest::testExtendingThread
java::lang::ThreadTest::testRunnableThread
Number of test cases run: 8
Number of error(s) : 0
Number of failure(s) : 0
SUCCESS !