Render > Direct Render

Renders the active window directly on-screen.

Direct Render window

Direct Rendering Options

Renderer Type: The type of renderer used: Raycaster, Raytracer, Powercaster, or Powertracer. The default setting is Raycaster.
Use Maya Renderer
Processors: Determines whether the renderer uses all available processors (All), or only a certain number of them (User Defined). This parameter appears only when Renderer Type is Powercaster or Powertracer. If Processors is User Defined, the Num Processors parameter appears. The default setting is All.
Num Processors: The number of processors that the renderer uses. This parameter is only available if Renderer Type is Powercaster or Powertracer, and Processors is User Defined. The valid/slider range is 1 to 32. The default value is 8.