@InProceedings{wald:11:compaction,
	title	= { {Active} {Thread} {Compaction} {for} {GPU} {Path} {Tracing}},
	author	= { Ingo Wald },
	year	= { 2011 },
	booktitle	= { {Proceedings} {of} {High} {Performance} {Graphics} {2011} }
}