Compiling a complete NAV database can take quite a while. Even on powerful development machines with a lot of CPU cores this is still the case – the development environment wasn’t designed for the multi-core era. The only way to speed things up is to use separate instances of the development environment and have each compile a (distinct) subset of the objects in the database. With the new Development Environment Commands for PowerShell that were included in the Microsoft Dynamics NAV 2015 Development Shell, this has become a lot easier.