16.0 14.0 Dryad In-Memory DRyad Two-pass 12.0 -SQLServer 2005 910.0 d8.0 60 4.0 2.0 0.0 2 6 Number of Computers0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 0 2 4 6 8 10 Number of Computers Speed -up Dryad In-Memory Dryad Two-pass SQLServer 2005