I have a big solution with more than 40 projects. Almost half of them are test projects. In my project we use both Code Contracts, Code Analysis, Style Analysis. I want to
In Visual Studio: Tools | Options | Projects and Solutions | Build and Run. This should default to your CPU count.
From the command line: msbuild /maxcpucount[:n] (is n is not specified, then it will use the CPU count).
msbuild /maxcpucount[:n]