These times were done, for mult, with a first pass
at half resolution and a second pass at the 
full resolution.

All of the timing were taken for the dino set with a voxel
threshold of 40, and an image threshold of 25
21



	resolution
	16^3	32^3	64^3	128^3	256^2


std	0.73	2.06	10.3	74.0	578.1


multi	2.02	2.93	7.00	29.5	154.2


real					132.8
multi


All of the timing were taken for the dino set with a voxel
threshold of 100, and an image threshold of 25
4about prewarped


	resolution
	16^3	32^3	64^3	128^3	256^2	512^2


std	.175	.541	3.14	23.2	181	1440


multi	.395	.562	1.29	5.40	31.5	214