Maven: how to do parallel builds?

Maven 3 (as of beta 1) now supports parallel builds as an experimental feature.

For example,

mvn -T 4 clean install # Builds with 4 threads
mvn -T 1C clean install # 1 thread per cpu core
mvn -T 1.5C clean install # 1.5 thread per cpu core

Full documentation can be found on the Maven wiki: Parallel builds in Maven 3 – Apache Maven – Apache Software Foundation.

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