I have a maven project with 13 sub modules. I have two questions how to optimize the build process: I want to compile the Java code only for x86-64 server. How I con configure Maven to do this? I have a server with 4 CPU cores. Is it possible to use multi-threading for compiling the code?

How to compile Maven project effectively and fast

I have a maven project with 13 sub modules. I have two questions how to optimize the build process:

I want to compile the Java code only for x86-64 server. How I con configure Maven to do this?
I have a server with 4 CPU cores. Is it possible to use multi-threading for compiling the code?