x-of-iterations=value</i>] [<i>grain-size=value</i>] [<i>silent</i>] [<i>single</i>]</tt>
				<dt><tt>fractal [<i>n-of-threads</i> [<i>n-of-frames</i> [<i>max-of-iterations</i> [<i>grain-size</i>]]]] [<i>silent</i>] [<i>single</i>]</tt> 
				<dd><i>n-of-threads</i> is the number of threads to use; a range of the form <i>low</i>[:<i>high</i>], where low and optional high are non-negative integers or 'auto' for the TBB default.<br>
					<i>n-of-frames</i> is a number of frames the example processes internally