When you need all the processing power your Mac can provide, it's good to eliminate distractions. That's where Elgebar Studios's Freeze Frame and now Bokeh, its Leopard-only successor, comes to the rescue.
The $17 Bokeh software lets users target a single application that's running processor-intensive tasks and tells the Mac to put on hold other processes. For example, when you're going to apply an filter to a big image, you don't want Mail to start sorting your overly-packed mailbox, or have a widget checking of your stock portfolio.
The author Geoff Pado says customers can save time with the program:
Bokeh is for people who have software with big needs. When your Mac is clogged with lots of extra processes, the amount of power it can give to any one program is lessened. Running an intensive process like Photoshop filter or a 3D render can be sped up with Bokeh.
Pado doesn't tell the origin of the name. As far as I understand, Bokeh is the term given to the out-of-focus areas in an image that reduce distractions of the primary subject.