1. UPC language specifications are available from: http://upc.gwu.edu.
2. The technical specifications of Co-Array Fortran are available from:http://www.co-array.org/caf_def.htm.
3. The official website of Titanium is http://titanium.cs.berkeley.edu.
4. The latest version of the specifications of XcalableMP is available from: http://www.xcalablemp.org.
5. Efficient Implementations of Molecular Dynamics Simulations for Lennard-Jones Systems