Program Development in Functional and Object-oriented languages.

What is this?

Implementation of merge sort and quicksort using the Fork/Join framework (RecursiveAction) of Java 7.

Benchmark using the strategy pattern.

Class diagram

Usage

ant
java com.douchedata.parallel.ParallelSort

Results

$ java com.douchedata.parallel.ParallelSort
4 cores available
Built-in sort:
0 1 2 3 4 5 6 7 8 9         Time: 10304036

Quicksort:
0 1 2 3 4 5 6 7 8 9         Time: 12416955

Parallel Quicksort:
0 1 2 3 4 5 6 7 8 9         Time:  6714479

Merge sort:
0 1 2 3 4 5 6 7 8 9         Time: 18215156

Parallel Merge sort:
0 1 2 3 4 5 6 7 8 9         Time: 11670562