Hi All,
With the release of cumulative update 7 for Microsoft Dynamics AX 2012 R2, Microsoft has launched a new command line tool to compile the complete X++ code. This tool has reduced the compilation time and 13 times faster. It can compile the whole AX in 30 mins.
For further details,
http://msdn.microsoft.com/library/d6da631b-6a9d-42c0-9ffe-26c5bfb488e3.aspx