PoshCode
Community resources for PowerShell coders
Parallel Execution with PowerShell - Tome Tanasovski - PowerShell Summit 2014
For the hardcore scripter working in large enterprises or on time-sensitive scripts, it is important to understand what options are available to you in order to take advantage of all of the processing power on a machine. We'll explore what is built in to PowerShell, what is native to the .NET language, and a few other techniques that can help you turn your 8-hour script into a 30-minute script