AX2012 R2 hotfix available to improve compile speed
Hotfix to improve compile speed for R2 is out - https://blogs.msdn.com/b/axtools/archive/2013/04/30/ax2012-r2-hotfix-available-improves-compile-speed.aspx
Hotfix - https://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=2844240